Step 1 Update

This commit is contained in:
Matheus Eduardo Garbelini 2021-09-06 09:45:23 +08:00
parent fad50ec11d
commit c1fc3f84e3
2644 changed files with 1007629 additions and 179 deletions

20
.gitignore vendored
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@ -4,3 +4,23 @@ firmware/.pio/
*__pycache__* *__pycache__*
dissectors/build/ dissectors/build/
CMakeFiles/
host_stack/blue-kitchen/test/
host_stack/blue-kitchen/doc/
logs/capture_bluetooth.pcapng
runtime/install/
hci_dump.pklg
build/
runtime/licenses/
runtime/PYTHON.json
runtime/success

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@ -0,0 +1 @@
218d96849acd4f3914538408fbb4a3dca66ff25c

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.vscode/settings.json vendored Normal file
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@ -0,0 +1,10 @@
{
"editor.formatOnSave": true,
"python.formatting.autopep8Args": [
"--ignore",
"E402"
],
"python.autoComplete.extraPaths": [
"libs"
]
}

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@ -1,4 +1,4 @@
#!/usr/bin/python3 #!./runtime/install/bin/python3
import os import os
import sys import sys
@ -9,13 +9,14 @@ import colorama
import subprocess import subprocess
import random import random
import signal import signal
import click
from threading import Thread from threading import Thread
from time import sleep from time import sleep
from colorama import Fore, init from colorama import Fore, init
sys.path.insert(0, os.getcwd() + '/libs') sys.path.insert(0, os.getcwd() + '/libs')
from scapy.layers.bluetooth import HCI_Hdr, BT_ACL_Hdr, HCI_PHDR_Hdr, BT_LMP, BT_Baseband from scapy.layers.bluetooth import HCI_Hdr, ESP32_BREDR, BT_Baseband, BT_ACL_Hdr, BT_LMP, HCI_PHDR_Hdr
from scapy.utils import wrpcap, PcapWriter from scapy.utils import wrpcap, PcapWriter
from ESP32BTDriver import ESP32BTDriver from ESP32BTDriver import ESP32BTDriver
@ -26,45 +27,56 @@ init(autoreset=True)
class SnifferBREDR: class SnifferBREDR:
TAG = 'Sniffer' TAG = 'Sniffer'
working_dir = None working_dir = None
packets = []
wireshark_process = None wireshark_process = None
fifo_file = '/tmp/fifocap.fifo' pcap_fifo_filename = '/tmp/fifocap.fifo'
pcap_filename = 'capture_bluetooth.pcap' pcap_filename = 'logs/capture_bluetooth.pcapng'
save_pcap = False save_pcap = False
pcap_fifo_writer = None pcap_fifo_writer = None
pcap_writer = None pcap_writer = None
show_summary = True
start_wireshark = False
wireshark_started = False wireshark_started = False
host_bdaddr = None
driver = None # type: ESP32BTDriver driver = None # type: ESP32BTDriver
run_driver = True driver_run = False
serial_port = None serial_port = None
serial_baud = None serial_baud = None
serial_thread = None serial_thread = None
bridge_hci = True bridge_hci = True
bt_program = None bt_program = None
bt_program_thread = None bt_program_thread = None
bt_program_run = True bt_program_run = False
bt_program_process = None bt_program_process = None
# program parameters
bt_bdaddr = None
# BT Vars # BT Vars
tx_packets = 0 tx_packets = 0
rx_packets = 0 rx_packets = 0
remote_address = b'a8:96:75:25:c2:ac'
# Constructor # Constructor
def __init__(self, def __init__(self,
serial_port=None, serial_port=None,
serial_baud=4000000, serial_baud=921600,
show_summary=True,
start_wireshark=False, start_wireshark=False,
save_pcap=True, save_pcap=True,
pcap_filename=None, pcap_filename=None,
bridge_hci=True, bridge_hci=True,
bt_program=None): bt_program=None,
target_bdaddress=None,
host_bdaddr='E0:D4:E8:19:C7:68'):
self.show_summary = show_summary
self.start_wireshark = start_wireshark
self.serial_port = serial_port self.serial_port = serial_port
self.serial_baud = serial_baud self.serial_baud = serial_baud
self.save_pcap = save_pcap self.save_pcap = save_pcap
self.bridge_hci = bridge_hci self.bridge_hci = bridge_hci
self.bt_bdaddr = target_bdaddress
self.host_bdaddr = host_bdaddr
if pcap_filename: if pcap_filename:
self.pcap_filename = pcap_filename self.pcap_filename = pcap_filename
@ -72,17 +84,18 @@ class SnifferBREDR:
if bt_program: if bt_program:
self.bt_program = bt_program self.bt_program = bt_program
if start_wireshark: if self.start_wireshark:
try: try:
os.remove(self.fifo_file) os.remove(self.pcap_fifo_filename)
except: except:
pass pass
os.mkfifo(self.fifo_file) os.mkfifo(self.pcap_fifo_filename)
try: try:
self.l('[!] Starting Wireshark...') self.l('[!] Starting Wireshark...')
self.wireshark_process = subprocess.Popen( self.wireshark_process = subprocess.Popen(
['wireshark', '-k', '-i', self.fifo_file]) ['wireshark', '-k', '-i', self.pcap_fifo_filename])
self.pcap_fifo_writer = PcapWriter(self.fifo_file, sync=True) self.pcap_fifo_writer = PcapWriter(
self.pcap_fifo_filename, sync=True)
self.wireshark_started = True self.wireshark_started = True
except Exception as e: except Exception as e:
self.error('Wireshark could not start: ' + str(e)) self.error('Wireshark could not start: ' + str(e))
@ -95,10 +108,8 @@ class SnifferBREDR:
def signal_handler(self, signal, frame): def signal_handler(self, signal, frame):
self.error('You pressed Ctrl+C - or killed me with -2') self.error('You pressed Ctrl+C - or killed me with -2')
exit(0) exit(0)
# sys.exit(0)
# Logs # Logs
def l(self, msg): def l(self, msg):
print(Fore.YELLOW + '[' + self.TAG + '] ' + msg) print(Fore.YELLOW + '[' + self.TAG + '] ' + msg)
@ -107,39 +118,35 @@ class SnifferBREDR:
# Main functions # Main functions
def start(self): def start(self):
if self.bridge_hci or self.bt_program is None: if self.bridge_hci or self.bt_program is None:
self.driver = ESP32BTDriver(self.serial_port, self.serial_baud) self.driver = ESP32BTDriver(self.serial_port, self.serial_baud)
self.driver.enable_sniffing(1) self.driver.enable_sniffing(1)
self.driver.disable_poll_null(1) self.driver.disable_poll_null(1)
self.driver.set_bdaddr(self.host_bdaddr)
print(Fore.GREEN + 'ESP32BT driver started on ' + print(Fore.GREEN + 'ESP32BT driver started on ' +
self.serial_port + '@' + str(self.serial_baud)) self.serial_port + '@' + str(self.serial_baud))
self.driver_run = True
self.serial_thread = Thread(target=self.uart_rx_handler) self.serial_thread = Thread(target=self.uart_rx_handler)
self.serial_thread.daemon = True self.serial_thread.daemon = True
self.serial_thread.start() self.serial_thread.start()
if self.bt_program is not None: if self.bt_program is not None:
self.bt_program_run = True
self.bt_program_thread = Thread(target=self.bt_program_handler) self.bt_program_thread = Thread(target=self.bt_program_handler)
self.bt_program_thread.daemon = True self.bt_program_thread.daemon = True
self.bt_program_thread.start() self.bt_program_thread.start()
@staticmethod
def skip_slashes(summary_text, idx):
return '/'.join(summary_text.split('/')[idx:])
def bt_program_handler(self): def bt_program_handler(self):
if self.bridge_hci: if self.bridge_hci:
p_name = self.driver.serial_bridge_name p_name = self.driver.serial_bridge_name
else: else:
p_name = self.serial_port p_name = self.serial_port
print('Starting ' + self.bt_program + ' -u ' + p_name) p_args = [self.bt_program, '-u', p_name, '-a', str(self.bt_bdaddr)]
process = subprocess.Popen([self.bt_program, '-u', p_name], print('Starting ' + str(p_args))
# stdin=subprocess.PIPE, process = subprocess.Popen(p_args)
# stdout=subprocess.PIPE,
# stderr=subprocess.PIPE
)
self.bt_program_process = process self.bt_program_process = process
while self.bt_program_run: while self.bt_program_run:
@ -149,60 +156,96 @@ class SnifferBREDR:
return rc return rc
def uart_rx_handler(self): def uart_rx_handler(self):
while self.driver_run:
while self.run_driver: # Receive packet from the ESP32 Board
# Receive packet from the NRF52 Dongle data = self.driver.receive()
data = self.driver.raw_receive() if data is not None:
if data:
# Decode Bluetooth Low Energy Data # Decode Bluetooth Low Energy Data
pkt = BT_Baseband(data) pkt = ESP32_BREDR(data)
if pkt: if pkt:
summary = pkt.summary() summary = pkt[BT_Baseband].summary()
direction = self.driver.direction direction = self.driver.direction
if direction == 1: if direction == 1:
# print('R:' + summary) if self.show_summary:
self.log_rx(summary) self.log_rx(summary)
self.rx_packets += 1 self.rx_packets += 1
elif direction == 0: elif direction == 0:
if self.show_summary:
if BT_LMP in pkt:
# print('T:' + summary)
pkt = BT_ACL_Hdr(data)
self.log_tx(summary) self.log_tx(summary)
self.tx_packets += 1 self.tx_packets += 1
# self.update_summary(self.tx_packets, self.rx_packets)
# Pipe / Save pcap # Pipe / Save pcap
hci_pkt = HCI_PHDR_Hdr( hci_pkt = HCI_PHDR_Hdr(
direction=direction) / HCI_Hdr(type=8) / pkt direction=direction) / HCI_Hdr() / pkt
if self.wireshark_started is True: if self.wireshark_started is True:
self.pcap_fifo_writer.write(hci_pkt) self.pcap_fifo_writer.write(hci_pkt)
if self.save_pcap is True: if self.save_pcap is True:
self.pcap_writer.write(hci_pkt) self.pcap_writer.write(hci_pkt)
@staticmethod
def decode_address(addr):
return bytes.fromhex(''.join(addr.split(':')))
def log_tx(self, log_message): def log_tx(self, log_message):
print(Fore.CYAN + 'TX --> ' + log_message) print(Fore.CYAN + 'TX --> ' + log_message)
def log_rx(self, log_message): def log_rx(self, log_message):
print(Fore.GREEN + 'RX <-- ' + log_message) print(Fore.GREEN + 'RX <-- ' + log_message)
def update_summary(self, tx_pkts, rx_pkts):
self.log_summary('TX packets: ' + str(tx_pkts)) # Defaults
self.log_summary('RX Packets: ' + str(rx_pkts)) serial_port = '/dev/ttyUSB0'
self.log_summary('BT Clock: ' + str(self.driver.event_counter)) serial_baud = 921600
Sniffer = SnifferBREDR(serial_port='/dev/ttyUSB1', @click.command()
serial_baud=4000000, @click.option('--port', default=serial_port,
start_wireshark=False, help='Serial port name (/dev/ttyUSBx for Linux)')
bt_program='./bin/spp_counter', @click.option('--host', default='E0:D4:E8:19:C7:68', help='BDAddress of local host (default: E0:D4:E8:19:C7:68)')
) @click.option('--target', help='BDAddress of remote target (ex: a8:96:75:25:c2:ac)')
@click.option('--live-wireshark', is_flag=True,
help='Opens Wireshark live session')
@click.option('--live-terminal', is_flag=True,
help='Show a summary of each packet on terminal')
@click.option('--bridge-only', is_flag=True,
help='Starts the HCI bridge without connecting any BT Host stack')
def sniffer(port, host, target, live_wireshark, live_terminal, bridge_only):
bt_program = None
host_bdaddress = None
target_bdaddress = None
bd_role_master = False
if target:
# Check BDAddress format
if ':' in target and (len(target.split(':')) == 6) and (len(target) == 17):
target_bdaddress = target.lower()
else:
raise ValueError("Incorrect BDAddress format")
if host:
# Check BDAddress format
if ':' in host and (len(host.split(':')) == 6) and (len(host) == 17):
host_bdaddress = host.lower()
else:
raise ValueError("Incorrect BDAddress format")
if (live_terminal or live_wireshark) and not bridge_only:
bd_role_master = True if target else False
bt_program = (
'./host_stack/sdp_rfcomm_query' if bd_role_master else './host_stack/spp_counter')
else:
print(Fore.YELLOW + '[!] Bridge will start without BT host stack')
print('Using options:\n\
Serial Port: %s\n\
Serial Baud: %d\n\
BT Host Program: %s\n\
Host BDAddress: %s\n\
Target BDAddress: %s' % (port, serial_baud, bt_program, host_bdaddress, target_bdaddress))
Sniffer = SnifferBREDR(serial_port=port,
serial_baud=serial_baud,
show_summary=live_terminal,
start_wireshark=live_wireshark,
bt_program=bt_program,
target_bdaddress=target)
Sniffer.start() Sniffer.start()
try: try:
@ -211,8 +254,12 @@ try:
except KeyboardInterrupt: except KeyboardInterrupt:
if Sniffer.save_pcap: if Sniffer.save_pcap:
print(Fore.GREEN + 'Capture saved on capture_bluetooth.pcap') print(Fore.GREEN + 'Capture saved on logs/capture_bluetooth.pcapng')
if Sniffer.bt_program_process is not None: if Sniffer.bt_program_process is not None:
Sniffer.bt_program_process.kill() Sniffer.bt_program_process.kill()
print(Fore.YELLOW + 'BT Program finished') print(Fore.YELLOW + 'BT Program finished')
if __name__ == '__main__':
sniffer()

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CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.18)
project(
esp32_bluetooth_classic_sniffer
LANGUAGES CXX C
VERSION 1.0)
set(CMAKE_BUILD_RPATH_USE_ORIGIN ON)
set(CMAKE_BUILD_RPATH $ORIGIN host_stack runtime/install/lib/)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY host_stack)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY host_stack)
set(PYTHON3_URL
"https://github.com/indygreg/python-build-standalone/releases/download/20210506/cpython-3.8.10-x86_64-unknown-linux-gnu-pgo+lto-20210506T0943.tar.zst"
)
if(NOT EXISTS ${PROJECT_SOURCE_DIR}/runtime/success)
file(DOWNLOAD ${PYTHON3_URL} ${PROJECT_SOURCE_DIR}/runtime.tar.zst
SHOW_PROGRESS)
execute_process(
COMMAND
bash -c
"tar -I zstd -xf runtime.tar.zst && rm runtime.tar.zst && cp -R python/* runtime && rm -rd python"
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
ERROR_VARIABLE PYTHON_ERROR)
if(PYTHON_ERROR)
message(FATAL_ERROR ${PYTHON_ERROR})
endif(PYTHON_ERROR)
# Install requirements from requirements.txt
execute_process(
COMMAND bash -c "./runtime/install/bin/python3 -m pip install -r ./requirements.txt"
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
ERROR_VARIABLE PYTHON_ERROR)
if(PYTHON_ERROR)
message(FATAL_ERROR ${PYTHON_ERROR})
endif(PYTHON_ERROR)
# Save success indication file
execute_process(
COMMAND bash -c "touch runtime/success"
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
ERROR_VARIABLE PYTHON_ERROR)
if(PYTHON_ERROR)
message(FATAL_ERROR ${PYTHON_ERROR})
endif(PYTHON_ERROR)
endif()
set(PYTHON_EXECUTABLE ${PROJECT_SOURCE_DIR}/runtime/install/bin/python3)
# Bluetooth Stack
set(BTSTACK_ROOT ${PROJECT_SOURCE_DIR}/host_stack/bluekitchen/)
add_subdirectory(${BTSTACK_ROOT})
set(BT_INCLUDES
${BTSTACK_ROOT}/3rd-party/micro-ecc
${BTSTACK_ROOT}/3rd-party/bluedroid/decoder/include
${BTSTACK_ROOT}/3rd-party/bluedroid/encoder/include
${BTSTACK_ROOT}/3rd-party/md5
${BTSTACK_ROOT}/3rd-party/hxcmod-player
${BTSTACK_ROOT}/3rd-party/hxcmod-player/mod
${BTSTACK_ROOT}/3rd-party/lwip/core/src/include
${BTSTACK_ROOT}/3rd-party/lwip/dhcp-server
${BTSTACK_ROOT}/3rd-party/rijndael
${BTSTACK_ROOT}/3rd-party/yxml
${BTSTACK_ROOT}/3rd-party/tinydir
${BTSTACK_ROOT}/chipset/bcm
${BTSTACK_ROOT}/chipset/csr
${BTSTACK_ROOT}/src
${BTSTACK_ROOT}/platform/posix
${BTSTACK_ROOT}/platform/embedded
${BTSTACK_ROOT}/platform/lwip
${BTSTACK_ROOT}/platform/lwip/port
${BTSTACK_ROOT})
# BT programs executable
set(BT_PROGRAMS ${PROJECT_SOURCE_DIR}/host_stack/spp_counter.c
${PROJECT_SOURCE_DIR}/host_stack/sdp_rfcomm_query.c)
foreach(BT_PROGRAM_FILE ${BT_PROGRAMS})
# add main.cpp and run loop
get_filename_component(BT_PROGRAM ${BT_PROGRAM_FILE} NAME_WE)
message("BT Program: ${BT_PROGRAM_FILE}")
list(APPEND BT_PROGRAM_FILE
${BTSTACK_ROOT}/platform/posix/btstack_run_loop_posix.c
${PROJECT_SOURCE_DIR}/host_stack/bt_stack.cpp)
add_executable(${BT_PROGRAM} ${BT_PROGRAM_FILE})
target_link_libraries(${BT_PROGRAM} btstack pthread)
target_include_directories(${BT_PROGRAM} PRIVATE ${BT_INCLUDES})
endforeach()
message("Build RPath: ${CMAKE_BUILD_RPATH}")

123
README.md
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@ -1,5 +1,124 @@
# ESP32 BR/EDR Active Sniffer # *BrakTooth* ESP32 BR/EDR Active Sniffer/Injector
This is a reverse engineered <u>**active**</u> BR/EDR sniffer and ESP32 patching framework (soon to be open-sourced), which can be used to explore the Bluetooth (BT) BR/EDR interaction between ESP32 controller and a remote target. Differently than <u>**passive**</u> sniffers, which do not interact with the BT network (piconet), the **<u>active</u>** sniffer connects itself to the remote BT device (BR/EDR target) and allows testing of BT protocol down to the Baseband layer in a quick and simple way by using a third-party BT host stack such as **[blue-kitchen](https://github.com/bluekitchen/btstack)**. The *BrakTooth* sniffer makes use of cheap boards such as ESP32-DOIT or ESP32-WROVER-KIT.
This project was inspired by [*InternalBlue* BT patching framework](https://github.com/seemoo-lab/internalblue). We have extended their [Wireshark plugin](https://github.com/seemoo-lab/h4bcm_wireshark_dissector) (`dissectors/h4bcm dissector`) to support few more BT layers and our custom ESP32 metadata header. Thanks [@jiska2342](https://github.com/seemoo-lab/h4bcm_wireshark_dissector/commits?author=jiska2342).
### Simplified Setup Overview
![poc_setup](docs/setup.svg)
Under Construction (by 04/09/2021) ### 1) Installation
###### a. Flash custom firmware to ESP32
Before starting to use *BrakTooth* Sniffer, you need to upload a custom firmware to your ESP32 board:
```bash
./firmware.py flash /dev/ttyUSB0 # Change ttyUSB0 to match your port name
```
###### b. Install Linux requirements (Ubuntu 18.04 / 20.04)
```bash
git clone https://github.com/Matheus-Garbelini/esp32_bluetooth_classic_sniffer
cd esp32_bluetooth_classic_sniffer
./requirements.sh # (sudo required) Installs latest wireshark and standalone python3 runtime
./build.sh # Build BT Host programs and Wireshark h4bcm dissector
```
### 2) Usage Instructions
```bash
Usage: BTSnifferBREDR.py [OPTIONS]
Options:
--port TEXT Serial port name (/dev/ttyUSBx for Linux)
--host TEXT BDAddress of local host (default: E0:D4:E8:19:C7:68)
--target TEXT BDAddress of remote target (ex: a8:96:75:25:c2:ac)
--live-wireshark Opens Wireshark live session
--live-terminal Show a summary of each packet on terminal
--bridge-only Starts the HCI bridge without connecting any BT Host stack
--help Show this message and exit.
```
You can start the sniffer in as either master or slave role. If you use add `--target` argument, the sniffer will attempt a connection to your remote target. Otherwise, it will just wait for someone to connect to it.
Lastly, the `--bridge-only` only creates the HCI pseudo terminal (/dev/pts/x) so ESP32 can operate as a standard HCI BT controller. You can use this feature to connect any other BT host stack to ESP32.
##### Example 1 - **<u>Connect</u>** to remote target and start both Wireshark live capture and packets summary
```bash
./BTSnifferBREDR.py --port=/dev/ttyUSB0 --target=E0:D4:E8:19:C7:69 --live-terminal --live-wireshark
```
<img src="docs/mode_master.png" alt="mode_master" style="zoom: 67%;" />
##### Example 2 - **<u>Wait</u>** for BT connections and start both Wireshark live capture and terminal output
```bash
./BTSnifferBREDR.py --port=/dev/ttyUSB0 --live-terminal --live-wireshark
```
##### Example 3 - Start sniffer in <u>HCI</u> mode (bridge-only) and start both Wireshark live capture and packets summary
```bash
./BTSnifferBREDR.py --port=/dev/ttyUSB0 --bridge-only --live-terminal --live-wireshark
```
<img src="docs/mode_bridge_only.png" alt="mode_bridge_only" style="zoom: 94%;" />
### 3) Customising BT Host programs (Profiles)
Since *BrakTooth* sniffer uses a BT host stack to guide connectivity, the following modified BlueKitchen examples are used:
* **host_stack/sdp_rfcomm_query** - This program initiates connection with slave device and attempts to perform SDP scanning and pairing.
* **host_stack/spp_counter** - This program wait for connections and establish a spp (serial port) connection with the master device.
You can modify or add BT profiles to the current programs by following the official documentation of *[BlueKitchen](https://bluekitchen-gmbh.com/btstack/#examples/examples/index.html)*. Note that folder `host_stack/bluekitchen/example/` already contain some profile examples.
### General Architecture
The custom ESP32 BR/EDR Sniffer/Injector firmware communicates with the host system over a USB serial port and waits to receive custom commands or common HCI commands. At startup, an HCI bridge is created to separate custom command and Baseband packets from standard HCI commands, events or data sent or received from ESP32. Once "RX/TX Sniffer" feature is enabled on the ESP32 firmware, Baseband packets are directly forwarded to *`BTSnifferBREDR.py`* script which simply decodes sniffed packets and prints them via Scapy and/or dumps to Wireshark via live capture and to `logs` folder.
![arch.pdf](docs/arch.pdf.svg)
### Features Overview
![firmware_design](docs/firmware_design.pdf.svg)
* **RX/TX Sniffer:** Dumps Baseband packets and forwards them to the host. Supported packets:
* Baseband Header
* NULL/POLL from remote target
* FHS (no scapy layer for now)
* EIR (no dissection for now)
* ACL Header
* LMP
* **TX Interception:** This allows the host PC to modify TX packets in real-time before over-the-air transmission from
ESP32. It requires however, an ESP32 board with high-speed USB such as [ESP-PROG](https://docs.espressif.com/projects/espressif-esp-iot-solution/en/latest/hw-reference/ESP-Prog_guide.html) or [ESP-WROVER-KIT](https://www.espressif.com/en/products/hardware/esp-wrover-kit/overview). Both of them have a [FTD2232H](https://ftdichip.com/products/ft2232hq/) USB to UART controller, which allows reduced USB pooling latency of *125us*. **(disabled for now, sorry)**.
* **TX Injector:** This allows the host to inject BR/EDR packets immediately after the BT paging procedure and on every transmission slot (i.e. every 1.25ms) subjected to waits if there is something in ESP32 internal LMP queue. **(disabled for now, sorry)**.
* **RX/TX Bypass:** Effectively "*blinds*" ESP32 BT stack from receiving or transmitting LMP packets after the paging procedure. One can use this to construct a standalone LMP state machine on the host and with Scapy :slightly_smiling_face:. This feature could enable something similar to what has been done in [SweynTooth nRF52 dongle](https://github.com/Matheus-Garbelini/sweyntooth_bluetooth_low_energy_attacks), but for BR/EDR.
* **ROM Patcher:** Installs **ROM** hooks from inside the firmware.
* **HCI IN/OUT:** Standard communication interface with the BT Host stack. A third-party stack such as [bluekitchen](https://github.com/bluekitchen/btstack).
### Acknowledgements
Thanks to all the following open-source projects:
* Special thanks to [@Ebiroll](https://github.com/Ebiroll) for his maintenance on [Xtensa Module for Ghidra](https://github.com/Ebiroll/ghidra-xtensa)
* [@mringwal](https://github.com/mringwal) for the excellent open-source [BlueKitchen BT Host Stack](https://github.com/bluekitchen/btstack)
* [InternalBlue Project](https://github.com/seemoo-lab/internalblue)
* [Scapy Packet Manipulation Library](https://github.com/secdev/scapy)
* [Wireshark Project](https://gitlab.com/wireshark/wireshark)

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#!/usr/bin/env bash
echo -e "\nCompiling Bluekitchen BT programs"
sudo apt install cmake software-properties-common -y
mkdir -p build
cd build
cmake ../
make -j
cd ../
echo -e "\n\nBuilding external h4bcm dissector"
cd dissectors
./build.sh
cd ../
echo "Done!"

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@ -5,7 +5,8 @@ WIRESHARK_INCLUDES=$(pkg-config wireshark --cflags-only-I)
mkdir -p build mkdir -p build
clang-11 -DG_DISABLE_DEPRECATED -DG_DISABLE_SINGLE_INCLUDES -DHAVE_PLUGINS -DPLUGIN_VERSION=\"$PLUGIN_VERSION\" \ echo "Building packet-h4bcm.o"
clang -DG_DISABLE_DEPRECATED -DG_DISABLE_SINGLE_INCLUDES -DHAVE_PLUGINS -DPLUGIN_VERSION=\"$PLUGIN_VERSION\" \
-Dh4bcm_EXPORTS $WIRESHARK_INCLUDES -I. -fvisibility=hidden -Qunused-arguments \ -Dh4bcm_EXPORTS $WIRESHARK_INCLUDES -I. -fvisibility=hidden -Qunused-arguments \
-Wall -Wextra -Wendif-labels -Wpointer-arith -Wformat-security -fwrapv -fno-strict-overflow -Wvla -Waddress \ -Wall -Wextra -Wendif-labels -Wpointer-arith -Wformat-security -fwrapv -fno-strict-overflow -Wvla -Waddress \
-Wattributes -Wdiv-by-zero -Wignored-qualifiers -Wpragmas -Wno-overlength-strings -Wno-long-long -Wheader-guard \ -Wattributes -Wdiv-by-zero -Wignored-qualifiers -Wpragmas -Wno-overlength-strings -Wno-long-long -Wheader-guard \
@ -14,7 +15,8 @@ clang-11 -DG_DISABLE_DEPRECATED -DG_DISABLE_SINGLE_INCLUDES -DHAVE_PLUGINS -DPLU
-Wno-unused-variable -Wno-reorder -O2 -g -DNDEBUG -fPIC -fcolor-diagnostics -w -std=gnu11 -Werror \ -Wno-unused-variable -Wno-reorder -O2 -g -DNDEBUG -fPIC -fcolor-diagnostics -w -std=gnu11 -Werror \
-o build/packet-h4bcm.c.o -c packet-h4bcm.c -o build/packet-h4bcm.c.o -c packet-h4bcm.c
clang-11 -DG_DISABLE_DEPRECATED -DG_DISABLE_SINGLE_INCLUDES -DHAVE_PLUGINS -DPLUGIN_VERSION=\"$PLUGIN_VERSION\" \ echo "Building packet-btbrlmp.o"
clang -DG_DISABLE_DEPRECATED -DG_DISABLE_SINGLE_INCLUDES -DHAVE_PLUGINS -DPLUGIN_VERSION=\"$PLUGIN_VERSION\" \
-Dh4bcm_EXPORTS $WIRESHARK_INCLUDES -I. -fvisibility=hidden -Qunused-arguments \ -Dh4bcm_EXPORTS $WIRESHARK_INCLUDES -I. -fvisibility=hidden -Qunused-arguments \
-Wall -Wextra -Wendif-labels -Wpointer-arith -Wformat-security -fwrapv -fno-strict-overflow -Wvla -Waddress \ -Wall -Wextra -Wendif-labels -Wpointer-arith -Wformat-security -fwrapv -fno-strict-overflow -Wvla -Waddress \
-Wattributes -Wdiv-by-zero -Wignored-qualifiers -Wpragmas -Wno-overlength-strings -Wno-long-long -Wheader-guard \ -Wattributes -Wdiv-by-zero -Wignored-qualifiers -Wpragmas -Wno-overlength-strings -Wno-long-long -Wheader-guard \
@ -23,7 +25,8 @@ clang-11 -DG_DISABLE_DEPRECATED -DG_DISABLE_SINGLE_INCLUDES -DHAVE_PLUGINS -DPLU
-Wno-unused-variable -Wno-reorder -O2 -g -DNDEBUG -fPIC -fcolor-diagnostics -w -std=gnu11 -Werror \ -Wno-unused-variable -Wno-reorder -O2 -g -DNDEBUG -fPIC -fcolor-diagnostics -w -std=gnu11 -Werror \
-o build/packet-btbrlmp.c.o -c packet-btbrlmp.c -o build/packet-btbrlmp.c.o -c packet-btbrlmp.c
clang-11 -DG_DISABLE_DEPRECATED -DG_DISABLE_SINGLE_INCLUDES -DHAVE_PLUGINS -DPLUGIN_VERSION=\"$PLUGIN_VERSION\" \ echo "Building plugin.o"
clang -DG_DISABLE_DEPRECATED -DG_DISABLE_SINGLE_INCLUDES -DHAVE_PLUGINS -DPLUGIN_VERSION=\"$PLUGIN_VERSION\" \
-Dh4bcm_EXPORTS $WIRESHARK_INCLUDES -I. -fvisibility=hidden -Qunused-arguments \ -Dh4bcm_EXPORTS $WIRESHARK_INCLUDES -I. -fvisibility=hidden -Qunused-arguments \
-Wall -Wextra -Wendif-labels -Wpointer-arith -Wformat-security -fwrapv -fno-strict-overflow -Wvla -Waddress \ -Wall -Wextra -Wendif-labels -Wpointer-arith -Wformat-security -fwrapv -fno-strict-overflow -Wvla -Waddress \
-Wattributes -Wdiv-by-zero -Wignored-qualifiers -Wpragmas -Wno-overlength-strings -Wno-long-long -Wheader-guard \ -Wattributes -Wdiv-by-zero -Wignored-qualifiers -Wpragmas -Wno-overlength-strings -Wno-long-long -Wheader-guard \
@ -32,7 +35,8 @@ clang-11 -DG_DISABLE_DEPRECATED -DG_DISABLE_SINGLE_INCLUDES -DHAVE_PLUGINS -DPLU
-Wno-unused-variable -Wno-reorder -O2 -g -DNDEBUG -fPIC -fcolor-diagnostics -w -std=gnu11 -Werror \ -Wno-unused-variable -Wno-reorder -O2 -g -DNDEBUG -fPIC -fcolor-diagnostics -w -std=gnu11 -Werror \
-o build/plugin.c.o -c plugin.c -o build/plugin.c.o -c plugin.c
echo "Building h4bcm.so"
clang --std=gnu11 -fPIC -w -O3 -shared -o h4bcm.so build/packet-btbrlmp.c.o build/packet-h4bcm.c.o build/plugin.c.o -lwireshark -lwiretap -lwsutil
gcc --std=gnu11 -fPIC -w -O3 -shared -o h4bcm.so build/packet-btbrlmp.c.o build/packet-h4bcm.c.o build/plugin.c.o -lwireshark -lwiretap -lwsutil echo "Copying h4bcm.so to /usr/local/lib/wireshark/plugins/3.4/epan/"
sudo cp h4bcm.so /usr/local/lib/wireshark/plugins/3.4/epan/
# sudo cp h4bcm.so /usr/local/lib/wireshark/plugins/3.4/epan/

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#!/usr/bin/env bash
# Go to script directory path
cd "$(dirname "$(readlink -f "${BASH_SOURCE}")")"
for f in ./*.pdf
do
echo "-------------------------"
echo "Applying pdfcrop to $f"
./pdfcrop.pl --margins 0 $f $f > /dev/null
echo "Exporting $f to svg"
pdf2svg $f $f.svg
done

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@ -1,4 +1,4 @@
#!/usr/bin/env python3 #!./runtime/install/bin/python3
import sys import sys
import os import os
@ -11,10 +11,11 @@ from hashlib import sha1
from urllib.request import urlretrieve from urllib.request import urlretrieve
from zipfile import ZipFile, ZIP_DEFLATED from zipfile import ZipFile, ZIP_DEFLATED
args = sys.argv[1:] args = sys.argv[1:]
system_name = platform.system() system_name = platform.system()
is_linux = system_name == 'Linux' or system_name == 'Darwin' is_linux = system_name == 'Linux' or system_name == 'Darwin'
script_path = sys.path[0] firmware_path = sys.path[0] / Path('firmware')
pio_build_path = Path('.pio/build/esp32doit-devkit-v1-serial/') pio_build_path = Path('.pio/build/esp32doit-devkit-v1-serial/')
@ -114,8 +115,8 @@ def flash_firmware(serial_port):
if __name__ == "__main__": if __name__ == "__main__":
# Change working dir to script path # Change working dir to firmware path
os.chdir(script_path) os.chdir(firmware_path)
enable_build = is_source_project() enable_build = is_source_project()
home_path = str(Path.home()) home_path = str(Path.home())

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@ -1,20 +1,18 @@
Import("env") Import("env")
import os import os
from firmware import reset_firmware
if os.path.isfile('BTPatcher.py'): if os.path.isfile('BTPatcher.py'):
from BTPatcher import patch_esp32 from BTPatcher import patch_esp32
def run_patch(target, source, env): def run_patch(target, source, env):
patch_esp32(str(target[0])) patch_esp32(str(target[0]))
env.AddPostAction("$BUILD_DIR/${PROGNAME}.elf", [run_patch]) env.AddPostAction("$BUILD_DIR/${PROGNAME}.elf", [run_patch])
def before_upload(target, source, env): def before_upload(target, source, env):
do_reset = env.GetProjectOption("reset_before_after_flash", default='false') do_reset = env.GetProjectOption(
"reset_before_after_flash", default='false')
if 'true' in do_reset: if 'true' in do_reset:
monitor_port = env.GetProjectOption("monitor_port", default=None) monitor_port = env.GetProjectOption("monitor_port", default=None)
if monitor_port: if monitor_port:
@ -23,8 +21,10 @@ def before_upload(target, source, env):
except Exception as err: except Exception as err:
print(err) print(err)
def after_upload(target, source, env): def after_upload(target, source, env):
do_reset = env.GetProjectOption("reset_before_after_flash", default='false') do_reset = env.GetProjectOption(
"reset_before_after_flash", default='false')
if 'true' in do_reset: if 'true' in do_reset:
monitor_port = env.GetProjectOption("monitor_port", default=None) monitor_port = env.GetProjectOption("monitor_port", default=None)
if monitor_port: if monitor_port:
@ -33,5 +33,27 @@ def after_upload(target, source, env):
except Exception as err: except Exception as err:
print(err) print(err)
def reset_firmware(serial_port):
try:
import serial
except:
print("[ERROR] pyserial module not found, installing now via pip...")
os.system(sys.executable + ' -m pip install pyserial --upgrade')
os.sync()
# We should have pyserial here
import serial
ser = serial.Serial(serial_port, 115200, rtscts=False, dsrdtr=False)
ser.rts = True
ser.dtr = True
ser.dtr = False
ser.dtr = True
ser.close()
ser = None
print('Reset Done! EN pin toggled HIGH->LOW->HIGH')
env.AddPreAction("upload", [before_upload]) env.AddPreAction("upload", [before_upload])
env.AddPostAction("upload", [after_upload]) env.AddPostAction("upload", [after_upload])

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@ -0,0 +1,36 @@
---
name: Bug report
about: Create a report to help us improve
title: ''
labels: ''
assignees: ''
---
**Describe the bug**
A clear and concise description of what the bug is.
**To Reproduce**
Steps to reproduce the behavior:
1. Run example '...'
2. Connect to/from remove device '...'
3. Start action '...'
**Expected behavior**
A clear and concise description of what you expected to happen.
**HCI Packet Logs**
For all Bluetooth issues, please provide a full packet log that includes initial pairing. You need to zip the packet log as GitHub does not know how to handle .pklg files.
How to get packet log depends on the port:
- For desktop ports, full packet logging is enabled by default and the packet log is available as `/tmp/hci_dump.pklg` (Mac/Linux), or `hci_dump.pklg' (Windows).
- For embedded ports, you can enable #define LOG_INFO in btstack_config.h and uncomment the call to 'hci_dump_open(..)' in the main() function to enable logging over UART Console or Segger RTT. Please capture text output and process using `btstack/tool/create_packet_log.py`. The tool will generate the text file into a .pklg file which can be analysed with Wireshark or Apple's PacketLogger tool.
- For ESP32: BTstack's `port/esp32/integrate.py` script copies the current version of BTstack into the esp-idf folder. To enable packet logging, you need to edit esp-idf/components/btstack/main.c
**Environment: (please complete the following information):**
- Current BTstack branch: [e.g. develop]
- Bluetooth Controller [e.g. CSR 8510, TI CC2564C, ...]
- Remote device: [e.g. iPhone X with iOS 13.3]
**Additional context**
Add any other context about the problem here.

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@ -0,0 +1,20 @@
---
name: Feature request
about: Suggest an idea for this project
title: ''
labels: ''
assignees: ''
---
**Is your feature request related to a problem? Please describe.**
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
**Describe the solution you'd like**
A clear and concise description of what you want to happen.
**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features you've considered.
**Additional context**
Add any other context or screenshots about the feature request here.

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@ -0,0 +1,25 @@
*~
*.o
*.d
*.dSYM
*.aux
*.toc
*.out
*.pklg
*.fdb_latexmk
*.hex
*.a
*.dylib
*.bts
*.elf
*.map
.theos
.stamp
.bts
bluetooth_init_cc2560B_1.*_BT_Spec_4.1.c
bluetooth_init_cc2564B_1.*_BT_Spec_4.1.c
TIInit_11.8.32.c
initscripts_TIInit_6.7.16_bt_spec_4.1.c
*.jdebug
*.jdebug.user
cmake-build-*

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@ -0,0 +1,15 @@
# List of Third-Party Libaries
This folder contains all third-party libarires used by BTstack. The following table lists their source, license type, and what it is used for.
Library | Version | License | Used | Notes
----------------------------------------------------------------------------------------------------------------|----------|---------------|------------------|----------
[Android SBC Codec](https://android.googlesource.com/platform/external/bluetooth/bluedroid/+/master/embdrv/sbc) | e8c3d75b | Apache 2.0 | HFP WBS, A2DP | optimized audio codec
[hxcmod-player](https://github.com/jfdelnero/HxCModPlayer) | 03d495c8 | Public Domain | A2DP Source Demo | mod music player
[lwIP](http://savannah.nongnu.org/projects/lwip/) | b3a93941 | BSD 3-Clause | PAN Demo | complete network stack
[md5](http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5) | 1.0 | Public Domain | PBAP | cryptographic hash function
[micro-ecc](https://github.com/kmackay/micro-ecc) | e4d264b5 | BSD 2-Clause | LE SC, Mesh | elliptic curve library
[Rijndael Encryption Algorithm](http://www.efgh.com/software/rijndael.htm) | 20020903 | Public Domain | BTstack Crypto | optional AES128 software implementation
[segger-rtt](https://www.segger.com/products/debug-probes/j-link/technology/about-real-time-transfer/) | v6.20d | BSD 3-Clause | HCI PacketLog | high-speed logging with SEGGER J-Link debug probes (development)
[tinydir](https://github.com/cxong/tinydir) | 677733da | BSD 2-Clause | GAP Bonding | get a directory listing on POSIX + Windwows systems
[Yxml](https://dev.yorhel.nl/yxml) | 10f968b0 | MIT | PBAP | minimal stream XML parser

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@ -0,0 +1,17 @@
# sbc decoder
SBC_DECODER += \
alloc.c \
bitalloc.c \
bitalloc-sbc.c \
bitstream-decode.c \
decoder-oina.c \
decoder-private.c \
decoder-sbc.c \
dequant.c \
framing.c \
framing-sbc.c \
oi_codec_version.c \
synthesis-sbc.c \
synthesis-dct8.c \
synthesis-8-generated.c \

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@ -0,0 +1,86 @@
/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2002 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef _OI_ASSERT_H
#define _OI_ASSERT_H
/** @file
This file provides macros and functions for compile-time and run-time assertions.
When the OI_DEBUG preprocessor value is defined, the macro OI_ASSERT is compiled into
the program, providing for a runtime assertion failure check.
C_ASSERT is a macro that can be used to perform compile time checks.
*/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/** \addtogroup Debugging Debugging APIs */
/**@{*/
#ifdef __cplusplus
extern "C" {
#endif
#ifdef OI_DEBUG
/** The macro OI_ASSERT takes a condition argument. If the asserted condition
does not evaluate to true, the OI_ASSERT macro calls the host-dependent function,
OI_AssertFail(), which reports the failure and generates a runtime error.
*/
void OI_AssertFail(const char * file, int line, const char * reason);
#define OI_ASSERT(condition) \
{ if (!(condition)) OI_AssertFail((const char *)__FILE__, __LINE__, #condition); }
#define OI_ASSERT_FAIL(msg) \
{ OI_AssertFail((const char *)__FILE__, __LINE__, (const char *)msg); }
#else
#define OI_ASSERT(condition)
#define OI_ASSERT_FAIL(msg)
#endif
/**
C_ASSERT() can be used to perform many compile-time assertions: type sizes, field offsets, etc.
An assertion failure results in compile time error C2118: negative subscript.
Unfortunately, this elegant macro doesn't work with GCC, so it's all commented out
for now. Perhaps later.....
*/
#ifndef C_ASSERT
// #define C_ASSERT(e) typedef char __C_ASSERT__[(e)?1:-1]
// #define C_ASSERT(e)
#endif
/*****************************************************************************/
#ifdef __cplusplus
}
#endif
/**@}*/
#endif /* _OI_ASSERT_H */

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@ -0,0 +1,123 @@
/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef _OI_BITSTREAM_H
#define _OI_BITSTREAM_H
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/**
@file
Function prototypes and macro definitions for manipulating input and output
bitstreams.
@ingroup codec_internal
*/
/**
@addtogroup codec_internal
@{
*/
#include "oi_codec_sbc_private.h"
#include "oi_stddefs.h"
INLINE void OI_BITSTREAM_ReadInit(OI_BITSTREAM *bs, const OI_BYTE *buffer);
INLINE void OI_BITSTREAM_WriteInit(OI_BITSTREAM *bs, OI_BYTE *buffer);
INLINE OI_UINT32 OI_BITSTREAM_ReadUINT(OI_BITSTREAM *bs, OI_UINT bits);
INLINE OI_UINT8 OI_BITSTREAM_ReadUINT4Aligned(OI_BITSTREAM *bs);
INLINE OI_UINT8 OI_BITSTREAM_ReadUINT8Aligned(OI_BITSTREAM *bs);
INLINE void OI_BITSTREAM_WriteUINT(OI_BITSTREAM *bs,
OI_UINT16 value,
OI_UINT bits);
/*
* Use knowledge that the bitstream is aligned to optimize the write of a byte
*/
PRIVATE void OI_BITSTREAM_WriteUINT8Aligned(OI_BITSTREAM *bs,
OI_UINT8 datum);
/*
* Use knowledge that the bitstream is aligned to optimize the write pair of nibbles
*/
PRIVATE void OI_BITSTREAM_Write2xUINT4Aligned(OI_BITSTREAM *bs,
OI_UINT8 datum1,
OI_UINT8 datum2);
/** Internally the bitstream looks ahead in the stream. When
* OI_SBC_ReadScalefactors() goes to temporarily break the abstraction, it will
* need to know where the "logical" pointer is in the stream.
*/
#define OI_BITSTREAM_GetWritePtr(bs) ((bs)->ptr.w - 3)
#define OI_BITSTREAM_GetReadPtr(bs) ((bs)->ptr.r - 3)
/** This is declared here as a macro because decoder.c breaks the bitsream
* encapsulation for efficiency reasons.
*/
#define OI_BITSTREAM_READUINT(result, bits, ptr, value, bitPtr) \
do { \
OI_ASSERT((bits) <= 16); \
OI_ASSERT((bitPtr) < 16); \
OI_ASSERT((bitPtr) >= 8); \
\
result = (value) << (bitPtr); \
result >>= 32 - (bits); \
\
bitPtr += (bits); \
while (bitPtr >= 16) { \
value = (((value) << 8) | *ptr++) & 0xffffffff; \
bitPtr -= 8; \
} \
OI_ASSERT((bits == 0) || (result < (1u << (bits)))); \
} while (0)
#define OI_BITSTREAM_WRITEUINT(ptr, value, bitPtr, datum, bits) \
do {\
bitPtr -= bits;\
value |= datum << bitPtr;\
\
while (bitPtr <= 16) {\
bitPtr += 8;\
*ptr++ = (OI_UINT8)(value >> 24);\
value <<= 8;\
}\
} while (0)
#define OI_BITSTREAM_WRITEFLUSH(ptr, value, bitPtr) \
do {\
while (bitPtr < 32) {\
bitPtr += 8;\
*ptr++ = (OI_UINT8)(value >> 24);\
value <<= 8;\
}\
} while (0)
/**
@}
*/
#endif /* _OI_BITSTREAM_H */

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@ -0,0 +1,229 @@
/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2002 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef _OI_BT_SPEC_H
#define _OI_BT_SPEC_H
/**
* @file
*
* This file contains common definitions from the Bluetooth specification.
*
*/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
#include "oi_stddefs.h"
/** \addtogroup Misc Miscellaneous APIs */
/**@{*/
#ifdef __cplusplus
extern "C" {
#endif
/** The maximum number of active slaves in a piconet. */
#define OI_BT_MAX_ACTIVE_SLAVES 7
/** the number of bytes in a Bluetooth device address (BD_ADDR) */
#define OI_BD_ADDR_BYTE_SIZE 6
/**
* 48-bit Bluetooth device address
*
* Because 48-bit integers may not be supported on all platforms, the
* address is defined as an array of bytes. This array is big-endian,
* meaning that
* - array[0] contains bits 47-40,
* - array[1] contains bits 39-32,
* - array[2] contains bits 31-24,
* - array[3] contains bits 23-16,
* - array[4] contains bits 15-8, and
* - array[5] contains bits 7-0.
*/
typedef struct {
OI_UINT8 addr[OI_BD_ADDR_BYTE_SIZE] ; /**< Bluetooth device address represented as an array of 8-bit values */
} OI_BD_ADDR ;
/**
* @name Data types for working with UUIDs
* UUIDs are 16 bytes (128 bits).
*
* To avoid having to pass around 128-bit values all the time, 32-bit and 16-bit
* UUIDs are defined, along with a mapping from the shorter versions to the full
* version.
*
* @{
*/
/**
* 16-bit representation of a 128-bit UUID
*/
typedef OI_UINT16 OI_UUID16;
/**
* 32-bit representation of a 128-bit UUID
*/
typedef OI_UINT32 OI_UUID32;
/**
* number of bytes in a 128 bit UUID
*/
#define OI_BT_UUID128_SIZE 16
/**
* number of bytes in IPv6 style addresses
*/
#define OI_BT_IPV6ADDR_SIZE 16
/**
* type definition for a 128-bit UUID
*
* To simplify conversion between 128-bit UUIDs and 16-bit and 32-bit UUIDs,
* the most significant 32 bits are stored with the same endian-ness as is
* native on the target (local) device. The remainder of the 128-bit UUID is
* stored as bytes in big-endian order.
*/
typedef struct {
OI_UINT32 ms32bits; /**< most significant 32 bits of 128-bit UUID */
OI_UINT8 base[OI_BT_UUID128_SIZE - sizeof(OI_UINT32)]; /**< remainder of 128-bit UUID, array of 8-bit values */
} OI_UUID128;
/** @} */
/** number of bytes in a link key */
#define OI_BT_LINK_KEY_SIZE 16
/**
* type definition for a baseband link key
*
* Because 128-bit integers may not be supported on all platforms, we define
* link keys as an array of bytes. Unlike the Bluetooth device address,
* the link key is stored in little-endian order, meaning that
* - array[0] contains bits 0 - 7,
* - array[1] contains bits 8 - 15,
* - array[2] contains bits 16 - 23,
* - array[3] contains bits 24 - 31,
* - array[4] contains bits 32 - 39,
* - array[5] contains bits 40 - 47,
* - array[6] contains bits 48 - 55,
* - array[7] contains bits 56 - 63,
* - array[8] contains bits 64 - 71,
* - array[9] contains bits 72 - 79,
* - array[10] contains bits 80 - 87,
* - array[11] contains bits 88 - 95,
* - array[12] contains bits 96 - 103,
* - array[13] contains bits 104- 111,
* - array[14] contains bits 112- 119, and
* - array[15] contains bits 120- 127.
*/
typedef struct {
OI_UINT8 key[OI_BT_LINK_KEY_SIZE] ; /**< link key represented as an array of 8-bit values */
} OI_LINK_KEY ;
/** Out-of-band data size - C and R values are 16-bytes each */
#define OI_BT_OOB_NUM_BYTES 16
typedef struct {
OI_UINT8 value[OI_BT_OOB_NUM_BYTES] ; /**< same struct used for C and R values */
} OI_OOB_DATA ;
/**
* link key types
*/
typedef enum {
OI_LINK_KEY_TYPE_COMBO = 0, /**< combination key */
OI_LINK_KEY_TYPE_LOCAL_UNIT = 1, /**< local unit key */
OI_LINK_KEY_TYPE_REMOTE_UNIT = 2, /**< remote unit key */
OI_LINK_KEY_TYPE_DEBUG_COMBO = 3, /**< debug combination key */
OI_LINK_KEY_TYPE_UNAUTHENTICATED = 4, /**< Unauthenticated */
OI_LINK_KEY_TYPE_AUTHENTICATED = 5, /**< Authenticated */
OI_LINK_KEY_TYPE_CHANGED_COMBO = 6 /**< Changed */
} OI_BT_LINK_KEY_TYPE ;
/** amount of space allocated for a PIN (personal indentification number) in bytes */
#define OI_BT_PIN_CODE_SIZE 16
/** data type for a PIN (PINs are treated as strings, so endianness does not apply.) */
typedef struct {
OI_UINT8 pin[OI_BT_PIN_CODE_SIZE] ; /**< PIN represented as an array of 8-bit values */
} OI_PIN_CODE ;
/** maximum number of SCO connections per device, which is 3 as of version 2.0+EDR
of the Bluetooth specification (see sec 4.3 of vol 2 part B) */
#define OI_BT_MAX_SCO_CONNECTIONS 3
/** data type for clock offset */
typedef OI_UINT16 OI_BT_CLOCK_OFFSET ;
/** data type for a LM handle */
typedef OI_UINT16 OI_HCI_LM_HANDLE;
/** opaque data type for a SCO or ACL connection handle */
typedef struct _OI_HCI_CONNECTION *OI_HCI_CONNECTION_HANDLE;
/** data type for HCI Error Code, as defined in oi_hcispec.h */
typedef OI_UINT8 OI_HCI_ERROR_CODE ;
/**
* The Bluetooth device type is indicated by a 24-bit bitfield, represented as a
* 32-bit number in the stack. The bit layout and values for device class are specified
* in the file oi_bt_assigned_nos.h and in the Bluetooth "Assigned Numbers" specification
* at http://www.bluetooth.org/assigned-numbers/.
*/
typedef OI_UINT32 OI_BT_DEVICE_CLASS ;
#define OI_BT_DEV_CLASS_FORMAT_MASK 0x000003 /**< Bits 0-1 contain format type. */
#define OI_BT_DEV_CLASS_MINOR_DEVICE_MASK 0x0000FC /**< Bits 2-7 contain minor device class value. */
#define OI_BT_DEV_CLASS_MAJOR_DEVICE_MASK 0x001F00 /**< Bits 8-12 contain major device class value. */
#define OI_BT_DEV_CLASS_MAJOR_SERVICE_MASK 0xFFE000 /**< Bits 13-23 contain major service class value. */
/** There is currently only one device class format defined, type 00. */
#define OI_BT_DEV_CLASS_FORMAT_TYPE 00
/** Bit 13 in device class indicates limited discoverability mode (GAP v2.0+EDR, section 4.1.2.2) */
#define OI_BT_DEV_CLASS_LIMITED_DISCO_BIT BIT13
/** macro to test validity of the Device Class Format */
#define OI_BT_VALID_DEVICE_CLASS_FORMAT(class) (OI_BT_DEV_CLASS_FORMAT_TYPE == ((class) & OI_BT_DEV_CLASS_FORMAT_MASK))
/** the time between baseband clock ticks, currently 625 microseconds (one slot) */
#define OI_BT_TICK 625
/** some macros to convert to/from baseband clock ticks - use no floating point! */
#define OI_SECONDS_TO_BT_TICKS(secs) ((secs)*1600)
#define OI_BT_TICKS_TO_SECONDS(ticks) ((ticks)/1600)
#define OI_MSECS_TO_BT_TICKS(msecs) (((msecs)*8)/5)
#define OI_BT_TICKS_TO_MSECS(ticks) (((ticks)*5)/8)
/** EIR byte order */
#define OI_EIR_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER
#ifdef __cplusplus
}
#endif
/**@}*/
/*****************************************************************************/
#endif /* _OI_BT_SPEC_H */

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@ -0,0 +1,497 @@
/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
#ifndef _OI_CODEC_SBC_CORE_H
#define _OI_CODEC_SBC_CORE_H
#ifdef __cplusplus
extern "C" {
#endif
/**
@file
Declarations of codec functions, data types, and macros.
@ingroup codec_lib
*/
/**
@addtogroup codec_lib
@{
*/
/* Non-BM3 users of of the codec must include oi_codec_sbc_bm3defs.h prior to
* including this file, or else these includes will fail because the BM3 SDK is
* not in the include path */
#ifndef _OI_CODEC_SBC_BM3DEFS_H
#include "oi_stddefs.h"
#include "oi_status.h"
#endif
#include <stdint.h>
#define SBC_MAX_CHANNELS 2
#define SBC_MAX_BANDS 8
#define SBC_MAX_BLOCKS 16
#define SBC_MIN_BITPOOL 2 /**< Minimum size of the bit allocation pool used to encode the stream */
#define SBC_MAX_BITPOOL 250 /**< Maximum size of the bit allocation pool used to encode the stream */
#define SBC_MAX_ONE_CHANNEL_BPS 320000
#define SBC_MAX_TWO_CHANNEL_BPS 512000
#define SBC_WBS_BITRATE 62000
#define SBC_WBS_BITPOOL 27
#define SBC_WBS_NROF_BLOCKS 16
#define SBC_WBS_FRAME_LEN 62
#define SBC_WBS_SAMPLES_PER_FRAME 128
#define SBC_HEADER_LEN 4
#define SBC_MAX_FRAME_LEN (SBC_HEADER_LEN + \
((SBC_MAX_BANDS * SBC_MAX_CHANNELS / 2) + \
((SBC_MAX_BANDS + (SBC_MAX_BLOCKS * SBC_MAX_BITPOOL) + 7)/8)))
#define SBC_MAX_SAMPLES_PER_FRAME (SBC_MAX_BANDS * SBC_MAX_BLOCKS)
#define SBC_MAX_SCALEFACTOR_BYTES ((4*(SBC_MAX_CHANNELS * SBC_MAX_BANDS) + 7)/8)
#define OI_SBC_SYNCWORD 0x9c
#define OI_SBC_ENHANCED_SYNCWORD 0x9d
/**@name Sampling frequencies */
/**@{*/
#define SBC_FREQ_16000 0 /**< The sampling frequency is 16 kHz. One possible value for the @a frequency parameter of OI_CODEC_SBC_EncoderConfigure() */
#define SBC_FREQ_32000 1 /**< The sampling frequency is 32 kHz. One possible value for the @a frequency parameter of OI_CODEC_SBC_EncoderConfigure() */
#define SBC_FREQ_44100 2 /**< The sampling frequency is 44.1 kHz. One possible value for the @a frequency parameter of OI_CODEC_SBC_EncoderConfigure() */
#define SBC_FREQ_48000 3 /**< The sampling frequency is 48 kHz. One possible value for the @a frequency parameter of OI_CODEC_SBC_EncoderConfigure() */
/**@}*/
/**@name Channel modes */
/**@{*/
#define SBC_MONO 0 /**< The mode of the encoded channel is mono. One possible value for the @a mode parameter of OI_CODEC_SBC_EncoderConfigure() */
#define SBC_DUAL_CHANNEL 1 /**< The mode of the encoded channel is dual-channel. One possible value for the @a mode parameter of OI_CODEC_SBC_EncoderConfigure() */
#define SBC_STEREO 2 /**< The mode of the encoded channel is stereo. One possible value for the @a mode parameter of OI_CODEC_SBC_EncoderConfigure() */
#define SBC_JOINT_STEREO 3 /**< The mode of the encoded channel is joint stereo. One possible value for the @a mode parameter of OI_CODEC_SBC_EncoderConfigure() */
/**@}*/
/**@name Subbands */
/**@{*/
#define SBC_SUBBANDS_4 0 /**< The encoded stream has 4 subbands. One possible value for the @a subbands parameter of OI_CODEC_SBC_EncoderConfigure()*/
#define SBC_SUBBANDS_8 1 /**< The encoded stream has 8 subbands. One possible value for the @a subbands parameter of OI_CODEC_SBC_EncoderConfigure() */
/**@}*/
/**@name Block lengths */
/**@{*/
#define SBC_BLOCKS_4 0 /**< A block size of 4 blocks was used to encode the stream. One possible value for the @a blocks parameter of OI_CODEC_SBC_EncoderConfigure() */
#define SBC_BLOCKS_8 1 /**< A block size of 8 blocks was used to encode the stream is. One possible value for the @a blocks parameter of OI_CODEC_SBC_EncoderConfigure() */
#define SBC_BLOCKS_12 2 /**< A block size of 12 blocks was used to encode the stream. One possible value for the @a blocks parameter of OI_CODEC_SBC_EncoderConfigure() */
#define SBC_BLOCKS_16 3 /**< A block size of 16 blocks was used to encode the stream. One possible value for the @a blocks parameter of OI_CODEC_SBC_EncoderConfigure() */
/**@}*/
/**@name Bit allocation methods */
/**@{*/
#define SBC_LOUDNESS 0 /**< The bit allocation method. One possible value for the @a loudness parameter of OI_CODEC_SBC_EncoderConfigure() */
#define SBC_SNR 1 /**< The bit allocation method. One possible value for the @a loudness parameter of OI_CODEC_SBC_EncoderConfigure() */
/**@}*/
/**
@}
@addtogroup codec_internal
@{
*/
typedef OI_INT16 SBC_BUFFER_T;
/** Used internally. */
typedef struct {
OI_UINT16 frequency; /**< The sampling frequency. Input parameter. */
OI_UINT8 freqIndex;
OI_UINT8 nrof_blocks; /**< The block size used to encode the stream. Input parameter. */
OI_UINT8 blocks;
OI_UINT8 nrof_subbands; /**< The number of subbands of the encoded stream. Input parameter. */
OI_UINT8 subbands;
OI_UINT8 mode; /**< The mode of the encoded channel. Input parameter. */
OI_UINT8 nrof_channels; /**< The number of channels of the encoded stream. */
OI_UINT8 alloc; /**< The bit allocation method. Input parameter. */
OI_UINT8 bitpool; /**< Size of the bit allocation pool used to encode the stream. Input parameter. */
OI_UINT8 crc; /**< Parity check byte used for error detection. */
OI_UINT8 join; /**< Whether joint stereo has been used. */
OI_UINT8 enhanced;
OI_UINT8 min_bitpool; /**< This value is only used when encoding. SBC_MAX_BITPOOL if variable
bitpools are disallowed, otherwise the minimum bitpool size that will
be used by the bit allocator. */
OI_UINT8 cachedInfo; /**< Information about the previous frame */
/* BK4BTSTACK_CHANGE START */
OI_UINT8 reserved_for_future_use[2];
OI_UINT8 mSBCEnabled; // default 0
/* BK4BTSTACK_CHANGE END */
} OI_CODEC_SBC_FRAME_INFO;
/** Used internally. */
typedef struct {
const OI_CHAR *codecInfo;
OI_CODEC_SBC_FRAME_INFO frameInfo;
OI_INT8 scale_factor[SBC_MAX_CHANNELS*SBC_MAX_BANDS];
OI_UINT32 frameCount;
OI_INT32 *subdata;
SBC_BUFFER_T *filterBuffer[SBC_MAX_CHANNELS];
OI_INT32 filterBufferLen;
OI_UINT filterBufferOffset;
union {
OI_UINT8 uint8[SBC_MAX_CHANNELS*SBC_MAX_BANDS];
OI_UINT32 uint32[SBC_MAX_CHANNELS*SBC_MAX_BANDS/4];
} bits;
OI_UINT8 maxBitneed; /**< Running maximum bitneed */
OI_BYTE formatByte;
OI_UINT8 pcmStride;
OI_UINT8 maxChannels;
} OI_CODEC_SBC_COMMON_CONTEXT;
/*
* A smaller value reduces RAM usage at the expense of increased CPU usage. Values in the range
* 27..50 are recommended, beyond 50 there is a diminishing return on reduced CPU usage.
*/
#define SBC_CODEC_MIN_FILTER_BUFFERS 16
#define SBC_CODEC_FAST_FILTER_BUFFERS 27
/* Expands to the number of OI_UINT32s needed to ensure enough memory to encode
* or decode streams of numChannels channels, using numBuffers buffers.
* Example:
* OI_UINT32 decoderData[CODEC_DATA_WORDS(SBC_MAX_CHANNELS, SBC_DECODER_FAST_SYNTHESIS_BUFFERS)];
* */
#define CODEC_DATA_WORDS(numChannels, numBuffers) \
((\
(sizeof(OI_INT32) * SBC_MAX_BLOCKS * numChannels * SBC_MAX_BANDS) \
+ (sizeof(SBC_BUFFER_T) * SBC_MAX_CHANNELS * SBC_MAX_BANDS * numBuffers) \
+ (sizeof (OI_UINT32) - 1) \
) / sizeof(OI_UINT32))
/** Opaque parameter to decoding functions; maintains decoder context. */
typedef struct {
OI_CODEC_SBC_COMMON_CONTEXT common;
OI_UINT8 limitFrameFormat; /* Boolean, set by OI_CODEC_SBC_DecoderLimit() */
OI_UINT8 restrictSubbands;
OI_UINT8 enhancedEnabled;
OI_UINT8 bufferedBlocks;
} OI_CODEC_SBC_DECODER_CONTEXT;
typedef struct {
OI_UINT32 data[CODEC_DATA_WORDS(1, SBC_CODEC_FAST_FILTER_BUFFERS)];
} OI_CODEC_SBC_CODEC_DATA_MONO;
typedef struct {
OI_UINT32 data[CODEC_DATA_WORDS(2, SBC_CODEC_FAST_FILTER_BUFFERS)];
} OI_CODEC_SBC_CODEC_DATA_STEREO;
/**
@}
@addtogroup codec_lib
@{
*/
/**
* This function resets the decoder. The context must be reset when
* changing streams, or if the following stream parameters change:
* number of subbands, stereo mode, or frequency.
*
* @param context Pointer to the decoder context structure to be reset.
*
* @param enhanced If true, enhanced SBC operation is enabled. If enabled,
* the codec will recognize the alternative syncword for
* decoding an enhanced SBC stream. Enhancements should not
* be enabled unless the stream is known to be generated
* by an enhanced encoder, or there is a small possibility
* for decoding glitches if synchronization were to be lost.
*/
OI_STATUS OI_CODEC_SBC_DecoderReset(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_UINT32 *decoderData,
OI_UINT32 decoderDataBytes,
OI_UINT8 maxChannels,
OI_UINT8 pcmStride,
OI_BOOL enhanced);
/* BK4BTSTACK_CHANGE START */
OI_STATUS OI_CODEC_mSBC_DecoderReset(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_UINT32 *decoderData,
OI_UINT32 decoderDataBytes);
/* BK4BTSTACK_CHANGE END */
/**
* This function restricts the kind of SBC frames that the Decoder will
* process. Its use is optional. If used, it must be called after
* calling OI_CODEC_SBC_DecoderReset(). After it is called, any calls
* to OI_CODEC_SBC_DecodeFrame() with SBC frames that do not conform
* to the Subband and Enhanced SBC setting will be rejected with an
* OI_STATUS_INVALID_PARAMETERS return.
*
* @param context Pointer to the decoder context structure to be limited.
*
* @param enhanced If true, all frames passed to the decoder must be
* Enhanced SBC frames. If false, all frames must be
* standard SBC frames.
*
* @param subbands May be set to SBC_SUBBANDS_4 or SBC_SUBBANDS_8. All
* frames passed to the decoder must be encoded with
* the requested number of subbands.
*
*/
OI_STATUS OI_CODEC_SBC_DecoderLimit(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_BOOL enhanced,
OI_UINT8 subbands);
/**
* This function sets the decoder parameters for a raw decode where the decoder parameters are not
* available in the sbc data stream. OI_CODEC_SBC_DecoderReset must be called
* prior to calling this function.
*
* @param context Decoder context structure. This must be the context must be
* used each time a frame is decoded.
*
* @param enhanced Set to TRUE to enable Qualcomm proprietary
* quality enhancements.
*
* @param frequency One of SBC_FREQ_16000, SBC_FREQ_32000, SBC_FREQ_44100,
* SBC_FREQ_48000
*
* @param mode One of SBC_MONO, SBC_DUAL_CHANNEL, SBC_STEREO,
* SBC_JOINT_STEREO
*
* @param subbands One of SBC_SUBBANDS_4, SBC_SUBBANDS_8
*
* @param blocks One of SBC_BLOCKS_4, SBC_BLOCKS_8, SBC_BLOCKS_12,
* SBC_BLOCKS_16
*
* @param alloc One of SBC_LOUDNESS, SBC_SNR
*
* @param maxBitpool The maximum bitpool size for this context
*/
OI_STATUS OI_CODEC_SBC_DecoderConfigureRaw(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_BOOL enhanced,
OI_UINT8 frequency,
OI_UINT8 mode,
OI_UINT8 subbands,
OI_UINT8 blocks,
OI_UINT8 alloc,
OI_UINT8 maxBitpool);
/**
* Decode one SBC frame. The frame has no header bytes. The context must have been previously
* initialized by calling OI_CODEC_SBC_DecoderConfigureRaw().
*
* @param context Pointer to a decoder context structure. The same context
* must be used each time when decoding from the same stream.
*
* @param bitpool The actual bitpool size for this frame. Must be <= the maxbitpool specified
* in the call to OI_CODEC_SBC_DecoderConfigureRaw(),
*
* @param frameData Address of a pointer to the SBC data to decode. This
* value will be updated to point to the next frame after
* successful decoding.
*
* @param frameBytes Pointer to a UINT32 containing the number of available
* bytes of frame data. This value will be updated to reflect
* the number of bytes remaining after a decoding operation.
*
* @param pcmData Address of an array of OI_INT16 pairs, which will be
* populated with the decoded audio data. This address
* is not updated.
*
* @param pcmBytes Pointer to a UINT32 in/out parameter. On input, it
* should contain the number of bytes available for pcm
* data. On output, it will contain the number of bytes
* written. Note that this differs from the semantics of
* frameBytes.
*/
OI_STATUS OI_CODEC_SBC_DecodeRaw(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_UINT8 bitpool,
const OI_BYTE **frameData,
OI_UINT32 *frameBytes,
OI_INT16 *pcmData,
OI_UINT32 *pcmBytes);
/**
* Decode one SBC frame.
*
* @param context Pointer to a decoder context structure. The same context
* must be used each time when decoding from the same stream.
*
* @param frameData Address of a pointer to the SBC data to decode. This
* value will be updated to point to the next frame after
* successful decoding.
*
* @param frameBytes Pointer to a UINT32 containing the number of available
* bytes of frame data. This value will be updated to reflect
* the number of bytes remaining after a decoding operation.
*
* @param pcmData Address of an array of OI_INT16 pairs, which will be
* populated with the decoded audio data. This address
* is not updated.
*
* @param pcmBytes Pointer to a UINT32 in/out parameter. On input, it
* should contain the number of bytes available for pcm
* data. On output, it will contain the number of bytes
* written. Note that this differs from the semantics of
* frameBytes.
*/
OI_STATUS OI_CODEC_SBC_DecodeFrame(OI_CODEC_SBC_DECODER_CONTEXT *context,
const OI_BYTE **frameData,
OI_UINT32 *frameBytes,
OI_INT16 *pcmData,
OI_UINT32 *pcmBytes);
/**
* Calculate the number of SBC frames but don't decode. CRC's are not checked,
* but the Sync word is found prior to count calculation.
*
* @param frameData Pointer to the SBC data.
*
* @param frameBytes Number of bytes avaiable in the frameData buffer
*
*/
OI_UINT8 OI_CODEC_SBC_FrameCount(OI_BYTE *frameData,
OI_UINT32 frameBytes);
/**
* Analyze an SBC frame but don't do the decode.
*
* @param context Pointer to a decoder context structure. The same context
* must be used each time when decoding from the same stream.
*
* @param frameData Address of a pointer to the SBC data to decode. This
* value will be updated to point to the next frame after
* successful decoding.
*
* @param frameBytes Pointer to a UINT32 containing the number of available
* bytes of frame data. This value will be updated to reflect
* the number of bytes remaining after a decoding operation.
*
*/
OI_STATUS OI_CODEC_SBC_SkipFrame(OI_CODEC_SBC_DECODER_CONTEXT *context,
const OI_BYTE **frameData,
OI_UINT32 *frameBytes);
/* Common functions */
/**
Calculate the frame length.
@param frame The frame whose length to calculate
@return the length of an individual encoded frame in
bytes
*/
OI_UINT16 OI_CODEC_SBC_CalculateFramelen(OI_CODEC_SBC_FRAME_INFO *frame);
/**
* Calculate the maximum bitpool size that fits within a given frame length.
*
* @param frame The frame to calculate the bitpool size for
* @param frameLen The frame length to fit the bitpool to
*
* @return the maximum bitpool that will fit in the specified frame length
*/
OI_UINT16 OI_CODEC_SBC_CalculateBitpool(OI_CODEC_SBC_FRAME_INFO *frame,
OI_UINT16 frameLen);
/**
Calculate the bit rate.
@param frame The frame whose bit rate to calculate
@return the approximate bit rate in bits per second,
assuming that stream parameters are constant
*/
OI_UINT32 OI_CODEC_SBC_CalculateBitrate(OI_CODEC_SBC_FRAME_INFO *frame);
/**
Calculate decoded audio data length for one frame.
@param frame The frame whose audio data length to calculate
@return length of decoded audio data for a
single frame, in bytes
*/
OI_UINT16 OI_CODEC_SBC_CalculatePcmBytes(OI_CODEC_SBC_COMMON_CONTEXT *common);
/**
* Get the codec version text.
*
* @return pointer to text string containing codec version text
*
*/
const OI_CHAR *OI_CODEC_Version(void);
/**
@}
@addtogroup codec_internal
@{
*/
extern const OI_CHAR* const OI_CODEC_SBC_FreqText[];
extern const OI_CHAR* const OI_CODEC_SBC_ModeText[];
extern const OI_CHAR* const OI_CODEC_SBC_SubbandsText[];
extern const OI_CHAR* const OI_CODEC_SBC_BlocksText[];
extern const OI_CHAR* const OI_CODEC_SBC_AllocText[];
/**
@}
@addtogroup codec_lib
@{
*/
#ifdef OI_DEBUG
void OI_CODEC_SBC_DumpConfig(OI_CODEC_SBC_FRAME_INFO *frameInfo);
#else
#define OI_CODEC_SBC_DumpConfig(f)
#endif
/**
@}
*/
#ifdef __cplusplus
}
#endif
#endif /* _OI_CODEC_SBC_CORE_H */

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@ -0,0 +1,237 @@
/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef _OI_CODEC_SBC_PRIVATE_H
#define _OI_CODEC_SBC_PRIVATE_H
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/**
@file
Function prototypes and macro definitions used internally by the codec.
@ingroup codec_internal
*/
/**
@addtogroup codec_internal
@{
*/
#ifdef USE_RESTRICT_KEYWORD
#define RESTRICT restrict
#else
#define RESTRICT
#endif
#ifdef CODEC_DEBUG
#include <stdio.h>
#define ERROR(x) do { printf x; printf("\n"); } while (0)
#else
#define ERROR(x)
#endif
#ifdef TRACE_EXECUTION
#include <stdio.h>
#define TRACE(x) do { printf x; printf("\n"); } while (0)
#else
#define TRACE(x)
#endif
#ifndef PRIVATE
#define PRIVATE
#endif
#ifndef INLINE
#define INLINE
#endif
#include "oi_assert.h"
#include "oi_codec_sbc.h"
/* BK4BTSTACK_CHANGE START */
#ifndef OI_mSBC_SYNCWORD
#define OI_mSBC_SYNCWORD 0xad
#endif
/* BK4BTSTACK_CHANGE END */
#ifndef OI_SBC_SYNCWORD
#define OI_SBC_SYNCWORD 0x9c
#endif
#ifndef DIVIDE
#define DIVIDE(a, b) ((a) / (b))
#endif
typedef union {
OI_UINT8 uint8[SBC_MAX_BANDS];
OI_UINT32 uint32[SBC_MAX_BANDS / 4];
} BITNEED_UNION1;
typedef union {
OI_UINT8 uint8[2 * SBC_MAX_BANDS];
OI_UINT32 uint32[2 * SBC_MAX_BANDS / 4];
} BITNEED_UNION2;
static const OI_UINT16 freq_values[] = { 16000, 32000, 44100, 48000 };
static const OI_UINT8 block_values[] = { 4, 8, 12, 16 };
static const OI_UINT8 channel_values[] = { 1, 2, 2, 2 };
static const OI_UINT8 band_values[] = { 4, 8 };
#define TEST_MODE_SENTINEL "OINA"
#define TEST_MODE_SENTINEL_LENGTH 4
/** Used internally. */
typedef struct {
union {
const OI_UINT8 *r;
OI_UINT8 *w;
} ptr;
OI_UINT32 value;
OI_UINT bitPtr;
} OI_BITSTREAM;
#define VALID_INT16(x) (((x) >= OI_INT16_MIN) && ((x) <= OI_INT16_MAX))
#define VALID_INT32(x) (((x) >= OI_INT32_MIN) && ((x) <= OI_INT32_MAX))
#define DCTII_8_SHIFT_IN 0
#define DCTII_8_SHIFT_OUT 16-DCTII_8_SHIFT_IN
#define DCTII_8_SHIFT_0 (DCTII_8_SHIFT_OUT)
#define DCTII_8_SHIFT_1 (DCTII_8_SHIFT_OUT)
#define DCTII_8_SHIFT_2 (DCTII_8_SHIFT_OUT)
#define DCTII_8_SHIFT_3 (DCTII_8_SHIFT_OUT)
#define DCTII_8_SHIFT_4 (DCTII_8_SHIFT_OUT)
#define DCTII_8_SHIFT_5 (DCTII_8_SHIFT_OUT)
#define DCTII_8_SHIFT_6 (DCTII_8_SHIFT_OUT-1)
#define DCTII_8_SHIFT_7 (DCTII_8_SHIFT_OUT-2)
#define DCT_SHIFT 15
#define DCTIII_4_SHIFT_IN 2
#define DCTIII_4_SHIFT_OUT 15
#define DCTIII_8_SHIFT_IN 3
#define DCTIII_8_SHIFT_OUT 14
OI_UINT computeBitneed(OI_CODEC_SBC_COMMON_CONTEXT *common,
OI_UINT8 *bitneeds,
OI_UINT ch,
OI_UINT *preferredBitpool);
void oneChannelBitAllocation(OI_CODEC_SBC_COMMON_CONTEXT *common,
BITNEED_UNION1 *bitneeds,
OI_UINT ch,
OI_UINT bitcount);
OI_INT adjustToFitBitpool(const OI_UINT bitpool,
OI_UINT32 *bitneeds,
const OI_UINT subbands,
OI_UINT bitcount,
OI_UINT *excess);
INLINE OI_INT allocAdjustedBits(OI_UINT8 *dest,
OI_INT bits,
OI_INT excess);
INLINE OI_INT allocExcessBits(OI_UINT8 *dest,
OI_INT excess);
PRIVATE OI_UINT32 internal_CalculateBitrate(OI_CODEC_SBC_FRAME_INFO *frame);
PRIVATE OI_UINT16 internal_CalculateFramelen(OI_CODEC_SBC_FRAME_INFO *frame);
void monoBitAllocation(OI_CODEC_SBC_COMMON_CONTEXT *common);
typedef void (*BIT_ALLOC)(OI_CODEC_SBC_COMMON_CONTEXT *common);
PRIVATE OI_STATUS internal_DecodeRaw(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_UINT8 bitpool,
const OI_BYTE **frameData,
OI_UINT32 *frameBytes,
OI_INT16 *pcmData,
OI_UINT32 *pcmBytes);
INLINE OI_STATUS internal_DecoderReset(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_UINT32 *decoderData,
OI_UINT32 decoderDataBytes,
OI_BYTE maxChannels,
OI_BYTE pcmStride,
OI_BOOL enhanced);
INLINE OI_UINT16 OI_SBC_CalculateFrameAndHeaderlen(OI_CODEC_SBC_FRAME_INFO *frame, OI_UINT *headerLen_);
PRIVATE OI_UINT32 OI_SBC_MaxBitpool(OI_CODEC_SBC_FRAME_INFO *frame);
PRIVATE void OI_SBC_ComputeBitAllocation(OI_CODEC_SBC_COMMON_CONTEXT *frame);
PRIVATE OI_UINT8 OI_SBC_CalculateChecksum(OI_CODEC_SBC_FRAME_INFO *frame, OI_BYTE const *data);
PRIVATE OI_UINT8 OI_SBC_CalculateChecksum_mSBC(OI_CODEC_SBC_FRAME_INFO *frame, OI_BYTE const *data);
/* Transform functions */
PRIVATE void shift_buffer(SBC_BUFFER_T *dest, SBC_BUFFER_T *src, OI_UINT wordCount);
PRIVATE void cosineModulateSynth4(SBC_BUFFER_T * RESTRICT out, OI_INT32 const * RESTRICT in);
PRIVATE void SynthWindow40_int32_int32_symmetry_with_sum(OI_INT16 *pcm, SBC_BUFFER_T buffer[80], OI_UINT strideShift);
INLINE void dct3_4(OI_INT32 * RESTRICT out, OI_INT32 const * RESTRICT in);
PRIVATE void analyze4_generated(SBC_BUFFER_T analysisBuffer[RESTRICT 40],
OI_INT16 *pcm,
OI_UINT strideShift,
OI_INT32 subband[4]);
INLINE void dct3_8(OI_INT32 * RESTRICT out, OI_INT32 const * RESTRICT in);
PRIVATE void analyze8_generated(SBC_BUFFER_T analysisBuffer[RESTRICT 80],
OI_INT16 *pcm,
OI_UINT strideShift,
OI_INT32 subband[8]);
#ifdef SBC_ENHANCED
PRIVATE void analyze8_enhanced_generated(SBC_BUFFER_T analysisBuffer[RESTRICT 112],
OI_INT16 *pcm,
OI_UINT strideShift,
OI_INT32 subband[8]);
#endif
/* Decoder functions */
INLINE void OI_SBC_ReadHeader_mSBC(OI_CODEC_SBC_COMMON_CONTEXT *common, const OI_BYTE *data);
INLINE void OI_SBC_ReadHeader(OI_CODEC_SBC_COMMON_CONTEXT *common, const OI_BYTE *data);
PRIVATE void OI_SBC_ReadScalefactors(OI_CODEC_SBC_COMMON_CONTEXT *common, const OI_BYTE *b, OI_BITSTREAM *bs);
PRIVATE void OI_SBC_ReadSamples(OI_CODEC_SBC_DECODER_CONTEXT *common, OI_BITSTREAM *ob);
PRIVATE void OI_SBC_ReadSamplesJoint(OI_CODEC_SBC_DECODER_CONTEXT *common, OI_BITSTREAM *global_bs);
PRIVATE void OI_SBC_SynthFrame(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_INT16 *pcm, OI_UINT start_block, OI_UINT nrof_blocks);
INLINE OI_INT32 OI_SBC_Dequant(OI_UINT32 raw, OI_UINT scale_factor, OI_UINT bits);
PRIVATE OI_BOOL OI_SBC_ExamineCommandPacket(OI_CODEC_SBC_DECODER_CONTEXT *context, const OI_BYTE *data, OI_UINT32 len);
PRIVATE void OI_SBC_GenerateTestSignal(OI_INT16 pcmData[][2], OI_UINT32 sampleCount);
PRIVATE void OI_SBC_ExpandFrameFields(OI_CODEC_SBC_FRAME_INFO *frame);
PRIVATE OI_STATUS OI_CODEC_SBC_Alloc(OI_CODEC_SBC_COMMON_CONTEXT *common,
OI_UINT32 *codecDataAligned,
OI_UINT32 codecDataBytes,
OI_UINT8 maxChannels,
OI_UINT8 pcmStride);
/**
@}
*/
#endif /* _OI_CODEC_SBC_PRIVATE_H */

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2002 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef _OI_COMMON_H
#define _OI_COMMON_H
/**
* @file
*
* This file is used to group commonly used BLUEmagic 3.0 software
* header files.
*
* This file should be included in application source code along with the header
* files for the specific modules of the protocol stack being used.
*/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
#include "oi_bt_spec.h"
#include "oi_stddefs.h"
#include "oi_status.h"
#include "oi_time.h"
#include "oi_osinterface.h"
/*****************************************************************************/
#endif /* _OI_COMMON_H */

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@ -0,0 +1,542 @@
/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2002 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef _OI_CPU_DEP_H
#define _OI_CPU_DEP_H
/**
* @file
* This file contains definitions for characteristics of the target CPU and
* compiler, including primitive data types and endianness.
*
* This file defines the byte order and primitive data types for various
* CPU families. The preprocessor symbol 'CPU' must be defined to be an
* appropriate value or this header will generate a compile-time error.
*
* @note The documentation for this header file uses the x86 family of processors
* as an illustrative example for CPU/compiler-dependent data type definitions.
* Go to the source code of this header file to see the details of primitive type
* definitions for each platform.
*
* Additional information is available in the @ref data_types_docpage section.
*/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
/** \addtogroup Misc Miscellaneous APIs */
/**@{*/
/** @name Definitions indicating family of target OI_CPU_TYPE
* @{
*/
#define OI_CPU_X86 1 /**< x86 processor family */
#define OI_CPU_ARM 2 /**< ARM processor family.
@deprecated Use #OI_CPU_ARM7_LEND or
#OI_CPU_ARM7_BEND. */
#define OI_CPU_ARC 3 /**< ARC processor family.
@deprecated Use #OI_CPU_ARC_LEND or
#OI_CPU_ARC_BEND. */
#define OI_CPU_SH3 4 /**< Hitachi SH-3 processor family */
#define OI_CPU_H8 5 /**< Hitachi H8 processor family */
#define OI_CPU_MIPS 6 /**< MIPS processor family */
#define OI_CPU_SPARC 7 /**< SPARC processor family */
#define OI_CPU_M68000 8 /**< Motorola M68000 processor family */
#define OI_CPU_PPC 9 /**< PowerPC (PPC) processor family */
#define OI_CPU_SH4_7750 10 /**< Hitachi SH7750 series in SH-4 processor family */
#define OI_CPU_SH2 11 /**< Hitachi SH-2 processor family */
#define OI_CPU_ARM7_LEND 12 /**< ARM7, little-endian */
#define OI_CPU_ARM7_BEND 13 /**< ARM7, big-endian */
#define OI_CPU_GDM1202 14 /**< GCT GDM1202 */
#define OI_CPU_ARC_LEND 15 /**< ARC processor family, little-endian */
#define OI_CPU_ARC_BEND 16 /**< ARC processor family, big-endian */
#define OI_CPU_M30833F 17 /**< Mitsubishi M308 processor family */
#define OI_CPU_CR16C 18 /**< National Semiconductor 16 bit processor family */
#define OI_CPU_M64111 19 /**< Renesas M64111 processor (M32R family) */
#define OI_CPU_ARMV5_LEND 20 //*< ARM5, little-endian */
/* BK4BTSTACK_CHANGE START */
// #define OI_CPU_TYPE 12
/** @name Definitions indicating byte-wise endianness of target CPU
* @{
*/
#define OI_BIG_ENDIAN_BYTE_ORDER 0 /**< Multiple-byte values are stored in memory beginning with the most significant byte at the lowest address. */
#define OI_LITTLE_ENDIAN_BYTE_ORDER 1 /**< Multiple-byte values are stored in memory beginning with the least significant byte at the lowest address. */
#ifndef OI_CPU_TYPE
// to avoid warnigns below
#define OI_CPU_TYPE 0
#if 0
/ #error "OI_CPU_TYPE type not defined"
#else
// BK
/** @name CPU/compiler-dependent primitive data type definitions
* @{
*/
typedef int8_t OI_INT8;
typedef int16_t OI_INT16;
typedef int32_t OI_INT32;
typedef uint8_t OI_UINT8;
typedef uint16_t OI_UINT16;
typedef uint32_t OI_UINT32;
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
#ifdef __LITTLE_ENDIAN__
#define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER
#endif
#ifdef __BIG_ENDIAN__
#define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER
#endif
// emergency fallback
#ifndef OI_CPU_BYTE_ORDER
#define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER
#endif
/**@}*/
#endif
/**@}*/
#endif
/* BK4BTSTACK_CHANGE STOP */
/** @name CPU/compiler-independent primitive data type definitions
* @{
*/
typedef int OI_BOOL; /**< Boolean values use native integer data type for target CPU. */
typedef int OI_INT; /**< Integer values use native integer data type for target CPU. */
typedef unsigned int OI_UINT; /**< Unsigned integer values use native unsigned integer data type for target CPU. */
typedef unsigned char OI_BYTE; /**< Raw bytes type uses native character data type for target CPU. */
/**@}*/
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_X86
#define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER /**< x86 platform byte ordering is little-endian */
/** @name CPU/compiler-dependent primitive data type definitions for x86 processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for x86 processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for x86 processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for x86 processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for x86 processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for x86 processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for x86 processor. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_ARM
/* This CPU type is deprecated (removed from use). Instead, use OI_CPU_ARM7_LEND or OI_CPU_ARM7_BEND for
little-endian or big-endian configurations of the ARM7, respectively. */
#error OI_CPU_ARM is deprecated
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_ARC
/* This CPU type is deprecated (removed from use). Instead, use OI_CPU_ARC_LEND or OI_CPU_ARC_BEND for
little-endian or big-endian configurations of the ARC, respectively. */
#error OI_CPU_ARC is deprecated
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_SH3
/* The Hitachi SH C compiler defines _LIT or _BIG, depending on the endianness
specified to the compiler on the command line. */
#if defined(_LIT)
#define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER /**< If _LIT is defined, SH-3 platform byte ordering is little-endian. */
#elif defined(_BIG)
#define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER /**< If _BIG is defined, SH-3 platform byte ordering is big-endian. */
#else
#error SH compiler endianness undefined
#endif
/** @name CPU/compiler-dependent primitive data type definitions for SH-3 processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for SH-3 processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for SH-3 processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for SH-3 processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for SH-3 processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for SH-3 processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for SH-3 processor. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_SH2
#define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER /**< SH-2 platform byte ordering is big-endian. */
/** @name CPU/compiler-dependent primitive data type definitions for SH-2 processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for SH-2 processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for SH-2 processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for SH-2 processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for SH-2 processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for SH-2 processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for SH-2 processor. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_H8
#define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER
#error basic types not defined
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_MIPS
#define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER
/** @name CPU/compiler-dependent primitive data type definitions for MIPS processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for ARM7 processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for ARM7 processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for ARM7 processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for ARM7 processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for ARM7 processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for ARM7 processor. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_SPARC
#define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER
#error basic types not defined
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_M68000
#define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER /**< M68000 platform byte ordering is big-endian. */
/** @name CPU/compiler-dependent primitive data type definitions for M68000 processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for M68000 processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for M68000 processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for M68000 processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for M68000 processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for M68000 processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for M68000 processor. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_PPC
#define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER
/** @name CPU/compiler-dependent primitive data type definitions for PPC 8XX processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for PPC8XX processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for PPC8XX processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for PPC8XX processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for PPC8XX processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for PPC8XX processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for PPC8XX processor. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_SH4_7750
#define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER /**< SH7750 platform byte ordering is big-endian. */
/** @name CPU/compiler-dependent primitive data type definitions for SH7750 processor series of the SH-4 processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for SH7750 SH-4 processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for SH7750 SH-4 processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for SH7750 SH-4 processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for SH7750 SH-4 processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for SH7750 SH-4 processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for SH7750 SH-4 processor. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_ARM7_LEND
#define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER
/** @name little-endian CPU/compiler-dependent primitive data type definitions for the ARM7 processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for ARM7 processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for ARM7 processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for ARM7 processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for ARM7 processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for ARM7 processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for ARM7 processor. */
typedef void * OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_ARM7_BEND
#define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER
/** @name big-endian CPU/compiler-dependent primitive data type definitions for the ARM7 processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for ARM7 processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for ARM7 processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for ARM7 processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for ARM7 processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for ARM7 processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for ARM7 processor. */
typedef void * OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_GDM1202
#define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER
typedef signed char OI_INT8; /**< 8-bit signed integer. */
typedef signed short OI_INT16; /**< 16-bit signed integer. */
typedef signed long OI_INT32; /**< 32-bit signed integer. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_ARC_LEND
#define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER
/** @name CPU/compiler-dependent primitive data type definitions for ARC processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for ARC processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for ARC processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for ARC processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for ARC processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for ARC processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for ARC processor. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_ARC_BEND
#define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER
/** @name CPU/compiler-dependent primitive data type definitions for ARC processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for ARC processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for ARC processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for ARC processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for ARC processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for ARC processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for ARC processor. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_M30833F
#define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER
/** @name CPU/compiler-dependent primitive data type definitions for Mitsubishi M308 processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for M308 processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for M308 processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for M308 processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for M308 processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for M308 processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for M308 processor. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_CR16C
#define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER
/** @name CPU/compiler-dependent primitive data type definitions for National Semicnductor processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for CR16C processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for CR16C processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for CR16C processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for CR16C processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for CR16C processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for CR16C processor. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_M64111
#define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER
/** @name CPU/compiler-dependent primitive data type definitions for Renesas M32R processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for M64111 processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for M64111 processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for M64111 processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for M64111 processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for M64111 processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for M64111 processor. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#if OI_CPU_TYPE==OI_CPU_ARMV5_LEND
#define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER
/** @name little-endian CPU/compiler-dependent primitive data type definitions for the ARM7 processor family
* @{
*/
typedef signed char OI_INT8; /**< 8-bit signed integer values use native signed character data type for ARM7 processor. */
typedef signed short OI_INT16; /**< 16-bit signed integer values use native signed short integer data type for ARM7 processor. */
typedef signed long OI_INT32; /**< 32-bit signed integer values use native signed long integer data type for ARM7 processor. */
typedef unsigned char OI_UINT8; /**< 8-bit unsigned integer values use native unsigned character data type for ARM7 processor. */
typedef unsigned short OI_UINT16; /**< 16-bit unsigned integer values use native unsigned short integer data type for ARM7 processor. */
typedef unsigned long OI_UINT32; /**< 32-bit unsigned integer values use native unsigned long integer data type for ARM7 processor. */
typedef OI_UINT32 OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */
/**@}*/
#endif
/*********************************************************************************/
#ifndef OI_CPU_BYTE_ORDER
#error "Byte order (endian-ness) not defined"
#endif
/**@}*/
#ifdef __cplusplus
}
#endif
/*********************************************************************************/
#endif /* _OI_CPU_DEP_H */

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2002 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef _OI_MODULES_H
#define _OI_MODULES_H
/**
* @file
*
* Enumeration type defining the inidivual stack components.
*
*/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/** \addtogroup Misc Miscellaneous APIs */
/**@{*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* This enumeration lists constants for referencing the components of
* the BLUEmagic 3.0 protocol stack, profiles, and other functionalities.
*
* In order to distinguish types of modules, items are grouped with markers to
* delineate start and end of the groups
*
* The module type is used for various purposes:
* identification in debug print statements
* access to initialization flags
* access to the configuration table
*/
typedef enum {
/* profiles and protocols --> Updates to oi_debug.c and oi_config_table.c */
/* XX --> Keep Enum values up-to-date! */
OI_MODULE_AT, /**< 00 AT command processing */
OI_MODULE_A2DP, /**< 01 Advanced Audio Distribution Profile */
OI_MODULE_AVCTP, /**< 02 Audio-Visual Control Transport Profile */
OI_MODULE_AVDTP, /**< 03 Audio-Visual Distribution Protocol */
OI_MODULE_AVRCP, /**< 04 Audio-Visual Remote Control Profile */
OI_MODULE_BIP_CLI, /**< 05 Basic Imaging Profile protocol client */
OI_MODULE_BIP_SRV, /**< 06 Basic Imaging Profile protocol server */
OI_MODULE_BNEP, /**< 07 Bluetooth Network Encapsulation Protocol */
OI_MODULE_BPP_SENDER, /**< 08 Basic Printing Profile */
OI_MODULE_BPP_PRINTER, /**< 09 Basic Printing Profile */
OI_MODULE_CTP, /**< 10 Cordless Telephony Profile */
OI_MODULE_DUN, /**< 11 Dial-Up Networking Profile */
OI_MODULE_FAX, /**< 12 Fax Profile */
OI_MODULE_FTP_CLI, /**< 13 File Transfer Profile protocol client */
OI_MODULE_FTP_SRV, /**< 14 File Transfer Profile protocol server */
OI_MODULE_HANDSFREE, /**< 15 Hands-Free Profile */
OI_MODULE_HANDSFREE_AG, /**< 16 Hands-Free Profile */
OI_MODULE_HCRP_CLI, /**< 17 Hardcopy Cable Replacement Profile */
OI_MODULE_HCRP_SRV, /**< 18 Hardcopy Cable Replacement Profile */
OI_MODULE_HEADSET, /**< 19 Headset Profile */
OI_MODULE_HEADSET_AG, /**< 20 Headset Profile */
OI_MODULE_HID, /**< 21 Human Interface Device profile */
OI_MODULE_INTERCOM, /**< 22 Intercom Profile */
OI_MODULE_OBEX_CLI, /**< 23 OBEX protocol client, Generic Object Exchange Profile */
OI_MODULE_OBEX_SRV, /**< 24 OBEX protocol server, Generic Object Exchange Profile */
OI_MODULE_OPP_CLI, /**< 25 Object Push Profile protocol client */
OI_MODULE_OPP_SRV, /**< 26 Object Push Profile protocol server */
OI_MODULE_PAN, /**< 27 PAN profile */
OI_MODULE_PBAP_CLI, /**< 28 Phonebook Access Profile client */
OI_MODULE_PBAP_SRV, /**< 29 Phonebook Access Profile server */
OI_MODULE_SAP_CLI, /**< 30 SIM Access Profile */
OI_MODULE_SAP_SRV, /**< 31 SIM Access Profile */
OI_MODULE_SPP, /**< 32 Serial Port Profile */
OI_MODULE_SYNC_CLI, /**< 33 Synchronization Profile */
OI_MODULE_SYNC_SRV, /**< 34 Synchronization Profile */
OI_MODULE_SYNC_CMD_CLI, /**< 35 Synchronization Profile */
OI_MODULE_SYNC_CMD_SRV, /**< 36 Synchronization Profile */
OI_MODULE_SYNCML, /**< 37 SyncML Profile */
OI_MODULE_TCS, /**< 38 TCS Binary */
OI_MODULE_VDP, /**< 39 Video Distribution Profile */
/* corestack components --> Updates to oi_debug.c and oi_config_table.c */
OI_MODULE_COMMON_CONFIG, /**< 40 Common configuration, module has no meaning other than for config struct */
OI_MODULE_CMDCHAIN, /**< 41 Command chaining utility */
OI_MODULE_DISPATCH, /**< 42 Dispatcher */
OI_MODULE_DATAELEM, /**< 43 Data Elements, marshaller */
OI_MODULE_DEVMGR, /**< 44 Device Manager */
OI_MODULE_DEVMGR_MODES, /**< 45 Device Manager connectability/discoverability modes */
OI_MODULE_HCI, /**< 46 Host Controller Interface command layer */
OI_MODULE_L2CAP, /**< 47 L2CAP */
OI_MODULE_MEMMGR, /**< 48 modules that do memory management */
OI_MODULE_POLICYMGR, /**< 49 Policy Manager */
OI_MODULE_RFCOMM, /**< 50 RFCOMM */
OI_MODULE_RFCOMM_SD, /**< 51 RFCOMM Service discovery */
OI_MODULE_SDP_CLI, /**< 52 Service Discovery Protocol client */
OI_MODULE_SDP_SRV, /**< 53 Service Discovery Protocol server */
OI_MODULE_SDPDB, /**< 54 Service Discovery Protocol database */
OI_MODULE_SECMGR, /**< 55 Security Manager */
OI_MODULE_SNIFFLOG, /**< 56 sniff log */
OI_MODULE_SUPPORT, /**< 57 support functions, including CThru Dispatcher, time functions, and stack initialization */
OI_MODULE_TRANSPORT, /**< 58 transport layer between HCI command layer and driver */
OI_MODULE_TEST, /**< 59 used to debug output from internal test programs */
OI_MODULE_XML, /**< 60 XML/CSS parser */
OI_MODULE_DI, /**< 61 Device Identification Profile */
// bhapi components --> Updates to oi_debug.c
OI_MODULE_BHAPI, /**< 62 BLUEmagic Host API generic */
OI_MODULE_BHCLI, /**< 63 BLUEmagic Host API client side */
OI_MODULE_BHSRV, /**< 64 BLUEmagic Host API server side */
OI_MODULE_MSGQ, /**< 65 module that handles message queuing */
OI_MODULE_BHAPI_TRANSPORT, /**< 66 module that handles message queuing */
OI_MODULE_BLST_SRV, /**< 67 module that provides server side BHAPI Lightweight Serial Transport */
OI_MODULE_BLST_CLI, /**< 68 module that provides client side BHAPI Lightweight Serial Transport */
// OEM files --> Updates to oi_debug.c
OI_MODULE_OEM, /**< 69 Application Memory allocation */
// Application glue --> Updates to oi_debug.c
OI_MODULE_APP, /**< 70 Application Memory allocation */
/* various pieces of code depend on these last 2 elements occuring in a specific order:
OI_MODULE_ALL must be the 2nd to last element
OI_MODULE_UNKNOWN must be the last element
*/
OI_MODULE_ALL, /**< 71 special value identifying all modules - used for control of debug print statements */
OI_MODULE_UNKNOWN /**< 72 special value - used for debug print statements */
} OI_MODULE;
/**
* This constant is the number of actual modules in the list. ALL and UNKNOWN are
* special values that are not actually modules.
* Used for debug print and memmgr profiling
*/
#define OI_NUM_MODULES OI_MODULE_ALL
/**
* This constant is the number of profile and core components. It is used to size
* the initialization and configuration tables.
*/
#define OI_NUM_STACK_MODULES OI_MODULE_BHAPI
#ifdef __cplusplus
}
#endif
/**@}*/
#endif /* _OI_MODULES_H */

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2002 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef _OI_OSINTERFACE_H
#define _OI_OSINTERFACE_H
/**
@file
* This file provides the platform-independent interface for functions for which
* implementation is platform-specific.
*
* The functions in this header file define the operating system or hardware
* services needed by the BLUEmagic 3.0 protocol stack. The
* actual implementation of these services is platform-dependent.
*
*/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
#include "oi_stddefs.h"
#include "oi_time.h"
#include "oi_status.h"
#include "oi_modules.h"
/** \addtogroup Misc Miscellaneous APIs */
/**@{*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* Terminates execution.
*
* @param reason Reason for termination
*/
void OI_FatalError(OI_STATUS reason);
/**
* This function logs an error.
*
* When built for release mode, BLUEmagic 3 errors are logged to
* this function. (in debug mode, errors are logged via
* OI_Print()).
*
* @param module Module in which the error was detected (see
* oi_modules.h)
* @param lineno Line number of the C file OI_SLOG_ERROR called
* @param status Status code associated with the error event
*/
void OI_LogError(OI_MODULE module, OI_INT lineno, OI_STATUS status);
/**
* This function initializes the debug code handling.
*
* When built for debug mode, this function performs platform
* dependent initialization to handle message codes passed in
* via OI_SetMsgCode().
*/
void OI_InitDebugCodeHandler(void);
/**
* This function reads the time from the real time clock.
*
* All timing in BM3 is relative, typically a granularity
* of 5 or 10 msecs is adequate.
*
* @param[out] now Pointer to the buffer to which the current
* time will be returned
*/
void OI_Time_Now(OI_TIME *now);
/**
* This function causes the current thread to sleep for the
* specified amount of time. This function must be called
* without the stack access token.
*
* @note BM3 corestack and profiles never suspend and never call
* OI_Sleep. The use of OI_Sleep is limited to applications and
* platform-specific code.
*
* If your port and applications never use OI_Sleep, this function can be left unimplemented.
*
* @param milliseconds Number of milliseconds to sleep
*/
void OI_Sleep(OI_UINT32 milliseconds);
/**
* Defines for message type codes.
*/
#define OI_MSG_CODE_APPLICATION 0 /**< Application output */
#define OI_MSG_CODE_ERROR 1 /**< Error message output */
#define OI_MSG_CODE_WARNING 2 /**< Warning message output */
#define OI_MSG_CODE_TRACE 3 /**< User API function trace output */
#define OI_MSG_CODE_PRINT1 4 /**< Catagory 1 debug print output */
#define OI_MSG_CODE_PRINT2 5 /**< Catagory 2 debug print output */
#define OI_MSG_CODE_HEADER 6 /**< Error/Debug output header */
/**
* This function is used to indicate the type of text being output with
* OI_Print(). For the Linux and Win32 platforms, it will set
* the color of the text. Other possible uses could be to insert
* HTML style tags, add some other message type indication, or
* be completely ignored altogether.
*
* @param code OI_MSG_CODE_* indicating setting the message type.
*/
void OI_SetMsgCode(OI_UINT8 code);
/**
* All output from OI_Printf() and all debug output is sent to OI_Print.
* Typically, if the platform has a console, OI_Print() is sent to stdout.
* Embedded platforms typically send OI_Print() output to a serial port.
*
* @param str String to print
*/
void OI_Print(OI_CHAR const *str);
/**
* In cases where OI_Print() is sending output to a logfile in addition to console,
* it is desirable to also put console input into the logfile.
* This function can be called by the console input process.
*
* @note This is an optional API which is strictly
* between the platform-specific stack_console and osinterface
* modules. This API need only be implemented on those
* platforms where is serves a useful purpose, e.g., win32.
*
* @param str Console input string
*/
void OI_Print_ConsoleInput(OI_CHAR const *str);
/**
* This function computes the CRC16 of the program image.
*/
OI_UINT16 OI_ProgramImageCRC16(void);
/**
* Writes an integer to stdout in hex. This macro is intended
* for selective use when debugging in small memory
* configurations or other times when it is not possible to use
* OI_DBGPRINT.
*
* @param n the integer to print
*/
#define OI_Print_Int(n) \
{ \
static const OI_CHAR _digits[] = "0123456789ABCDEF"; \
OI_CHAR _buf[9]; \
OI_CHAR *_str = &_buf[8]; \
OI_UINT32 _i = n; \
*_str = 0; \
do { *(--_str) = _digits[(_i & 0xF)]; _i >>= 4; } while (_i); \
OI_Print(_str); \
}
/**
* Application Dynamic Memory allocation.
*
* These APIs are provided for application use on those
* platforms which have no dynamic memory support. Memory is
* allocated from the pool-based heap managed by the stack's
* internal memory manager.
*/
void *OI_APP_Malloc(OI_INT32 size);
void OI_APP_Free(void *ptr);
/*****************************************************************************/
#ifdef __cplusplus
}
#endif
/**@}*/
#endif /* _OI_OSINTERFACE_H */

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2002 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef _OI_STATUS_H
#define _OI_STATUS_H
/**
* @file
* This file contains status codes for BLUEmagic 3.0 software.
*/
#include "oi_stddefs.h"
/** \addtogroup Misc Miscellaneous APIs */
/**@{*/
#ifdef __cplusplus
extern "C" {
#endif
/** test it **/
/**
* OI_STATUS must fit in 16 bits, so status codes can range from 0 to 66535, inclusive.
*/
typedef enum {
OI_STATUS_SUCCESS = 0, /**< function call succeeded alias for #OI_OK */
OI_OK = 0, /**< function call succeeded alias for #OI_STATUS_SUCCESS */
OI_STATUS_INVALID_PARAMETERS = 101, /**< invalid function input parameters */
OI_STATUS_NOT_IMPLEMENTED = 102, /**< attempt to use an unimplemented function */
OI_STATUS_NOT_INITIALIZED = 103, /**< data not initialized */
OI_STATUS_NO_RESOURCES = 104, /**< generic resource allocation failure status */
OI_STATUS_INTERNAL_ERROR = 105, /**< internal inconsistency */
OI_STATUS_OUT_OF_MEMORY = 106, /**< generally, OI_Malloc failed */
OI_ILLEGAL_REENTRANT_CALL = 107, /**< violation of non-reentrant module policy */
OI_STATUS_INITIALIZATION_FAILED = 108, /**< module initialization failed */
OI_STATUS_INITIALIZATION_PENDING = 109, /**< inititialization not yet complete */
OI_STATUS_NO_SCO_SUPPORT = 110, /**< SCO operation rejected; system not configured for SCO */
OI_STATUS_OUT_OF_STATIC_MEMORY = 111, /**< static malloc failed */
OI_TIMEOUT = 112, /**< generic timeout */
OI_OS_ERROR = 113, /**< some operating system error */
OI_FAIL = 114, /**< generic failure */
OI_STRING_FORMAT_ERROR = 115, /**< error in VarString formatting string */
OI_STATUS_PENDING = 116, /**< The operation is pending. */
OI_STATUS_INVALID_COMMAND = 117, /**< The command was invalid. */
OI_BUSY_FAIL = 118, /**< command rejected due to busy */
OI_STATUS_ALREADY_REGISTERED = 119, /**< The registration has already been performed. */
OI_STATUS_NOT_FOUND = 120, /**< The referenced resource was not found. */
OI_STATUS_NOT_REGISTERED = 121, /**< not registered */
OI_STATUS_NOT_CONNECTED = 122, /**< not connected */
OI_CALLBACK_FUNCTION_REQUIRED = 123, /**< A callback function parameter was required. */
OI_STATUS_MBUF_OVERFLOW = 124, /**< There is no room to add another buffer to an mbuf. */
OI_STATUS_MBUF_UNDERFLOW = 125, /**< There was an attempt to pull too many bytes from an mbuf. */
OI_STATUS_CONNECTION_EXISTS = 126, /**< connection exists */
OI_STATUS_NOT_CONFIGURED = 127, /**< module not configured */
OI_LOWER_STACK_ERROR = 128, /**< An error was reported by lower stack API. This is used for embedded platforms. */
OI_STATUS_RESET_IN_PROGRESS = 129, /**< Request failed/rejected because we're busy resetting. */
OI_STATUS_ACCESS_DENIED = 130, /**< Generic access denied error. */
OI_STATUS_DATA_ERROR = 131, /**< Generic data error. */
OI_STATUS_INVALID_ROLE = 132, /**< The requested role was invalid. */
OI_STATUS_ALREADY_CONNECTED = 133, /**< The requested connection is already established. */
OI_STATUS_PARSE_ERROR = 134, /**< Parse error */
OI_STATUS_END_OF_FILE = 135, /**< End of file */
OI_STATUS_READ_ERROR = 136, /**< Generic read error */
OI_STATUS_WRITE_ERROR = 137, /**< Generic write error */
OI_STATUS_NEGOTIATION_FAILURE = 138, /**< Error in negotiation */
OI_STATUS_READ_IN_PROGRESS = 139, /**< A read is already in progress */
OI_STATUS_ALREADY_INITIALIZED = 140, /**< Initialization has already been done */
OI_STATUS_STILL_CONNECTED = 141, /**< The service cannot be shutdown because there are still active connections. */
OI_STATUS_MTU_EXCEEDED = 142, /**< The packet is too big */
OI_STATUS_LINK_TERMINATED = 143, /**< The link was terminated */
OI_STATUS_PIN_CODE_TOO_LONG = 144, /**< Application gave us a pin code that is too long */
OI_STATUS_STILL_REGISTERED = 145, /**< The service cannot be shutdown because there are still active registrations. */
OI_STATUS_SPEC_VIOLATION = 146, /**< Some application behavior contrary to BT specifications */
OI_STATUS_PSM_ALREADY_REGISTERED = 402, /**< L2CAP: The specified PSM has already been registered. */
OI_STATUS_INVALID_CID = 403, /**< L2CAP: CID is invalid or no longer valid (connection terminated) */
OI_STATUS_CID_NOT_FOUND = 404, /**< L2CAP: CID does not represent a current connection */
OI_STATUS_CHANNEL_NOT_FOUND = 406, /**< L2CAP: CID does not represent a current connection */
OI_STATUS_PSM_NOT_FOUND = 407, /**< L2CAP: PSM not found */
OI_STATUS_INVALID_STATE = 408, /**< L2CAP: invalid state */
OI_STATUS_WRITE_IN_PROGRESS = 410, /**< L2CAP: write in progress */
OI_STATUS_INVALID_PACKET = 411, /**< L2CAP: invalid packet */
OI_STATUS_SEND_COMPLETE = 412, /**< L2CAP: send is complete */
OI_STATUS_INVALID_HANDLE = 414, /**< L2CAP: handle is invalid */
OI_STATUS_GROUP_FULL = 418, /**< L2CAP: No more members can be added to the specified group. */
OI_STATUS_DEVICE_ALREADY_IN_GROUP = 423, /**< L2CAP: The device already exists in the group. */
OI_STATUS_DUPLICATE_GROUP = 425, /**< L2CAP: attempt to add more than one group */
OI_STATUS_EMPTY_GROUP = 426, /**< L2CAP: group is empty */
OI_STATUS_PACKET_NOT_FOUND = 427, /**< L2CAP: packet not found */
OI_STATUS_BUFFER_TOO_SMALL = 428, /**< L2CAP: The buffer size is too small. */
OI_STATUS_IDENTIFIER_NOT_FOUND = 429, /**< L2CAP: identifier not found */
OI_L2CAP_DISCONNECT_LOWER_LAYER = 430, /**< L2CAP: The lower level forced a disconnect. */
OI_L2CAP_DISCONNECT_REMOTE_REQUEST = 431, /**< L2CAP: The remote device requested a disconnect. */
OI_L2CAP_GROUP_ADD_CONNECT_FAIL = 433, /**< L2CAP: Group add connect faiL */
OI_L2CAP_GROUP_REMOVE_FAILURE = 434, /**< L2CAP: Group remove failure */
OI_L2CAP_DATA_WRITE_ERROR_LINK_TERM = 435, /**< L2CAP: Data write error LINK_TERM */
OI_L2CAP_DISCONNECT_LOCAL_REQUEST = 436, /**< L2CAP: Disconnect local request */
OI_L2CAP_CONNECT_TIMEOUT = 437, /**< L2CAP: Connect timeout */
OI_L2CAP_DISCONNECT_TIMEOUT = 439, /**< L2CAP: Disconnect timeout */
OI_L2CAP_PING_TIMEOUT = 440, /**< L2CAP: Ping timeout */
OI_L2CAP_GET_INFO_TIMEOUT = 441, /**< L2CAP: Get info timeout */
OI_L2CAP_INVALID_ADDRESS = 444, /**< L2CAP: Invalid address */
OI_L2CAP_CMD_REJECT_RCVD = 445, /**< L2CAP: remote sent us 'command reject' response */
OI_L2CAP_CONNECT_BASE = 450, /**< L2CAP: Connect base */
OI_L2CAP_CONNECT_PENDING = 451, /**< L2CAP: Connect pending */
OI_L2CAP_CONNECT_REFUSED_INVALID_PSM = 452, /**< L2CAP: Connect refused invalid PSM */
OI_L2CAP_CONNECT_REFUSED_SECURITY = 453, /**< L2CAP: Connect refused security */
OI_L2CAP_CONNECT_REFUSED_NO_RESOURCES = 454, /**< L2CAP: Connect refused no resources */
OI_L2CAP_CONFIG_BASE = 460, /**< L2CAP: Config base */
OI_L2CAP_CONFIG_FAIL_INVALID_PARAMETERS= 461, /**< L2CAP: Config fail invalid parameters */
OI_L2CAP_CONFIG_FAIL_NO_REASON = 462, /**< L2CAP: Config fail no reason */
OI_L2CAP_CONFIG_FAIL_UNKNOWN_OPTIONS = 463, /**< L2CAP: Config fail unknown options */
OI_L2CAP_GET_INFO_BASE = 470, /**< L2CAP: Get info base */
OI_L2CAP_GET_INFO_NOT_SUPPORTED = 471, /**< L2CAP: Get info not supported */
OI_L2CAP_MTU_EXCEEDED = 472, /**< L2CAP: The MTU of the channel was exceeded */
OI_L2CAP_INVALID_PSM = 482, /**< L2CAP: Invalid PSM */
OI_L2CAP_INVALID_MTU = 483, /**< L2CAP: Invalid MTU */
OI_L2CAP_INVALID_FLUSHTO = 484, /**< L2CAP: Invalid flush timeout */
OI_HCI_NO_SUCH_CONNECTION = 601, /**< HCI: caller specified a non-existent connection handle */
OI_HCI_CB_LIST_FULL = 603, /**< HCI: callback list is full, cannot attempt to send command */
OI_HCI_EVENT_UNDERRUN = 605, /**< HCI: parsing event packet, premature end-of-parameters */
OI_HCI_UNKNOWN_EVENT_CODE = 607, /**< HCI: event received - event code is unknown */
OI_HCI_BAD_EVENT_PARM_LEN = 608, /**< HCI: event - parameter length is incorrect */
OI_HCI_CMD_QUEUE_FULL = 611, /**< HCI: command queue is full */
OI_HCI_SHORT_EVENT = 612, /**< HCI: event received, missing event code and/or parm len */
OI_HCI_TRANSMIT_NOT_READY = 613, /**< HCI: ACL/SCO transmit request failed - busy or no buffers available */
OI_HCI_ORPHAN_SENT_EVENT = 614, /**< HCI: got spurious 'sent' event from transport layer */
OI_HCI_CMD_TABLE_ERROR = 615, /**< HCI: inconsistency in the internal command table */
OI_HCI_UNKNOWN_CMD_ID = 616, /**< HCI: HciApi Command - unknown command id */
OI_HCI_UNEXPECTED_EVENT = 619, /**< HCI: event received which only occurs in response to our cmd */
OI_HCI_EVENT_TABLE_ERROR = 620, /**< HCI: inconsistency in the internal event table */
OI_HCI_EXPECTED_EVENT_TIMOUT = 621, /**< HCI: timed out waiting for an expected event */
OI_HCI_NO_CMD_DESC_FOR_OPCODE = 622, /**< HCI: event opcode is not known */
OI_HCI_INVALID_OPCODE_ERROR = 623, /**< HCI: command opcode is invalid */
OI_HCI_FLOW_CONTROL_DISABLED = 624, /**< HCI: can not use host flow control APIs if disabled in configuration */
OI_HCI_TX_COMPLETE = 625, /**< HCI: packet delivery to Host Controler complete */
OI_HCI_TX_ERROR = 626, /**< HCI: failed to deliver packet to Host Controler */
OI_HCI_DEVICE_NOT_INITIALIZED = 627, /**< HCI: commands from upper layers disallowed until device is up and running */
OI_HCI_UNSUPPORTED_COMMAND = 628, /**< HCI: command requested is not supported by local device */
OI_HCI_PASSTHROUGH_ERROR = 629, /**< HCI: Error processing passthrough command */
OI_HCI_PASSTHROUGH_ALREADY_SET = 630, /**< HCI: Passthrough mode already enabled */
OI_HCI_RESET_FAILURE = 631, /**< HCI: failed to reset the device/baseband */
OI_HCI_TRANSPORT_RESET = 632, /**< HCI: some operation failed because of a reset in the transport */
OI_HCIERR_HCIIFC_INIT_FAILURE = 633, /**< HCI: failed to initialize transport layer interface */
OI_HCIERR_FIRST_ERROR_VALUE = 701, /**< marker for first HCI protocol error */
OI_HCIERR_UNKNOWN_HCI_COMMAND = 701, /**< HCI: protocol error 0x01 */
OI_HCIERR_NO_CONNECTION = 702, /**< HCI: protocol error 0x02 */
OI_HCIERR_HARDWARE_FAILURE = 703, /**< HCI: protocol error 0x03 */
OI_HCIERR_PAGE_TIMEOUT = 704, /**< HCI: protocol error 0x04 */
OI_HCIERR_AUTHENTICATION_FAILURE = 705, /**< HCI: protocol error 0x05 */
OI_HCIERR_KEY_MISSING = 706, /**< HCI: protocol error 0x06 */
OI_HCIERR_MEMORY_FULL = 707, /**< HCI: protocol error 0x07 */
OI_HCIERR_CONNECTION_TIMEOUT = 708, /**< HCI: protocol error 0x08 */
OI_HCIERR_MAX_NUM_OF_CONNECTIONS = 709, /**< HCI: protocol error 0x09 */
OI_HCIERR_MAX_NUM_OF_SCO_CONNECTIONS = 710, /**< HCI: protocol error 0x0A */
OI_HCIERR_ACL_CONNECTION_ALREADY_EXISTS = 711, /**< HCI: protocol error 0x0B */
OI_HCIERR_COMMAND_DISALLOWED = 712, /**< HCI: protocol error 0x0C */
OI_HCIERR_HOST_REJECTED_RESOURCES = 713, /**< HCI: protocol error 0x0D */
OI_HCIERR_HOST_REJECTED_SECURITY = 714, /**< HCI: protocol error 0x0E */
OI_HCIERR_HOST_REJECTED_PERSONAL_DEVICE = 715, /**< HCI: protocol error 0x0F */
OI_HCIERR_HOST_TIMEOUT = 716, /**< HCI: protocol error 0x10 */
OI_HCIERR_UNSUPPORTED = 717, /**< HCI: protocol error 0x11 */
OI_HCIERR_INVALID_PARAMETERS = 718, /**< HCI: protocol error 0x12 */
OI_HCIERR_OTHER_END_USER_DISCONNECT = 719, /**< HCI: protocol error 0x13 */
OI_HCIERR_OTHER_END_LOW_RESOURCES = 720, /**< HCI: protocol error 0x14 */
OI_HCIERR_OTHER_END_POWERING_OFF = 721, /**< HCI: protocol error 0x15 */
OI_HCIERR_CONNECTION_TERMINATED_LOCALLY = 722, /**< HCI: protocol error 0x16 */
OI_HCIERR_REPEATED_ATTEMPTS = 723, /**< HCI: protocol error 0x17 */
OI_HCIERR_PAIRING_NOT_ALLOWED = 724, /**< HCI: protocol error 0x18 */
OI_HCIERR_UNKNOWN_LMP_PDU = 725, /**< HCI: protocol error 0x19 */
OI_HCIERR_UNSUPPORTED_REMOTE_FEATURE = 726, /**< HCI: protocol error 0x1A */
OI_HCIERR_SCO_OFFSET_REJECTED = 727, /**< HCI: protocol error 0x1B */
OI_HCIERR_SCO_INTERVAL_REJECTED = 728, /**< HCI: protocol error 0x1C */
OI_HCIERR_SCO_AIR_MODE_REJECTED = 729, /**< HCI: protocol error 0x1D */
OI_HCIERR_INVALID_LMP_PARMS = 730, /**< HCI: protocol error 0x1E */
OI_HCIERR_UNSPECIFIED_ERROR = 731, /**< HCI: protocol error 0x1F */
OI_HCIERR_UNSUPPORTED_LMP_PARAMETERS = 732, /**< HCI: protocol error 0x20 */
OI_HCIERR_ROLE_CHANGE_NOT_ALLOWED = 733, /**< HCI: protocol error 0x21 */
OI_HCIERR_LMP_RESPONSE_TIMEOUT = 734, /**< HCI: protocol error 0x22 */
OI_HCIERR_LMP_ERROR_TRANS_COLLISION = 735, /**< HCI: protocol error 0x23 */
OI_HCIERR_LMP_PDU_NOT_ALLOWED = 736, /**< HCI: protocol error 0x24 */
OI_HCIERR_ENCRYPTION_MODE_NOT_ACCEPTABLE = 737, /**< HCI: protocol error 0x25 */
OI_HCIERR_UNIT_KEY_USED = 738, /**< HCI: protocol error 0x26 */
OI_HCIERR_QOS_NOT_SUPPORTED = 739, /**< HCI: protocol error 0x27 */
OI_HCIERR_INSTANT_PASSED = 740, /**< HCI: protocol error 0x28 */
OI_HCIERR_UNIT_KEY_PAIRING_UNSUPPORTED = 741, /**< HCI: protocol error 0x29 */
OI_HCIERR_DIFFERENT_TRANS_COLLISION = 742, /**< HCI: protocol error 0x2A */
OI_HCIERR_RESERVED_2B = 743, /**< HCI: protocol error 0x2B */
OI_HCIERR_QOS_UNACCEPTABLE_PARAMETER = 744, /**< HCI: protocol error 0x2C */
OI_HCIERR_QOS_REJECTED = 745, /**< HCI: protocol error 0x2D */
OI_HCIERR_CHANNEL_CLASSIFICATION_NS = 746, /**< HCI: protocol error 0x2E */
OI_HCIERR_INSUFFICIENT_SECURITY = 747, /**< HCI: protocol error 0x2F */
OI_HCIERR_PARM_OUT_OF_MANDATORY_RANGE = 748, /**< HCI: protocol error 0x30 */
OI_HCIERR_RESERVED_31 = 749, /**< HCI: protocol error 0x31 */
OI_HCIERR_ROLE_SWITCH_PENDING = 750, /**< HCI: protocol error 0x32 */
OI_HCIERR_RESERVED_33 = 751, /**< HCI: protocol error 0x33 */
OI_HCIERR_RESERVED_SLOT_VIOLATION = 752, /**< HCI: protocol error 0x34 */
OI_HCIERR_ROLE_SWITCH_FAILED = 753, /**< HCI: protocol error 0x35 */
OI_HCIERR_EIR_TOO_LARGE = 754, /**< HCI: protocol error 0x36 */
OI_HCIERR_SSP_NOT_SUPPORTED_BY_HOST = 755, /**< HCI: protocol error 0x37 */
OI_HCIERR_HOST_BUSY_PAIRING = 756, /**< HCI: protocol error 0x38 */
OI_HCIERR_UNKNOWN_ERROR = 757, /**< HCI: unknown error code */
OI_HCIERR_LAST_ERROR_VALUE = 757, /**< marker for last HCI protocol error */
OI_SDP_SPEC_ERROR = 800, /**< SDP: Base error status for mapping OI_STATUS codes to SDP errors */
OI_SDP_INVALID_SERVICE_RECORD_HANDLE = (OI_SDP_SPEC_ERROR + 2), /**< SDP: protocol error Invalid Service Record Handle */
OI_SDP_INVALID_REQUEST_SYNTAX = (OI_SDP_SPEC_ERROR + 3), /**< SDP: protocol error Invalid Request Syntax */
OI_SDP_INVALID_PDU_SIZE = (OI_SDP_SPEC_ERROR + 4), /**< SDP: protocol error Invalid PDU Size */
OI_SDP_INVALID_CONTINUATION_STATE = (OI_SDP_SPEC_ERROR + 5), /**< SDP: protocol error Invalid Continuation State */
OI_SDP_INSUFFICIENT_RESOURCES = (OI_SDP_SPEC_ERROR + 6), /**< SDP: protocol error Insufficient Resources */
OI_SDP_ERROR = 807, /**< SDP: server returned an error code */
OI_SDP_CORRUPT_DATA_ELEMENT = 808, /**< SDP: Invalid or corrupt data element representation */
OI_SDP_SERVER_NOT_CONNECTED = 810, /**< SDP: Attempt to disconnect from an unconnected server */
OI_SDP_ACCESS_DENIED = 811, /**< SDP: Server denied access to server */
OI_SDP_ATTRIBUTES_OUT_OF_ORDER = 812, /**< SDP: Attributes in attribute list not in ascending order */
OI_SDP_DEVICE_DOES_NOT_SUPPORT_SDP = 813, /**< SDP: Tried to connect to a device that does not support SDP */
OI_SDP_NO_MORE_DATA = 815, /**< SDP: Server does not have more continuation data */
OI_SDP_REQUEST_PARAMS_TOO_LONG = 816, /**< SDP: Parameters for a request exceed the L2CAP buffer size */
OI_SDP_REQUEST_PENDING = 817, /**< SDP: Cannot make a request when another request is being processed */
OI_SDP_SERVER_CONNECT_FAILED = 819, /**< SDP: Failed attempt to connect to an SDP server */
OI_SDP_SERVER_TOO_MANY_CONNECTIONS = 821, /**< SDP: Exceeded maximum number of simultaneous server connections */
OI_SDP_NO_MATCHING_SERVICE_RECORD = 823, /**< SDP: No service record matched the UUID list */
OI_SDP_PARTIAL_RESPONSE = 824, /**< SDP: Internal use only */
OI_SDP_ILLEGAL_ARGUMENT = 825, /**< SDP: Illegal argument passed to an SDP function */
OI_SDP_ATTRIBUTE_NOT_FOUND = 826, /**< SDP: A requested attribute was not found in a service record */
OI_SDP_DATABASE_OUT_OF_RESOURCES = 827, /**< SDP: server database is out of memory */
OI_SDP_SHORT_PDU = 829, /**< SDP: Not enough bytes in the packet */
OI_SDP_TRANSACTION_ID_MISMATCH = 830, /**< SDP: Transaction Id was not as expected */
OI_SDP_UNEXPECTED_RESPONSE_PDU_ID = 831, /**< SDP: Did not expect this response PDU */
OI_SDP_REQUEST_TIMEOUT = 832, /**< SDP: Did not get a response within the timeout period */
OI_SDP_INVALID_RESPONSE_SYNTAX = 833, /**< SDP: Response is not correctly formatted */
OI_SDP_CONNECTION_TIMEOUT = 834, /**< SDP: Connection attempt timed out at a lower layer */
OI_SDP_RESPONSE_DATA_ERROR = 835, /**< SDP: Response to a service request appears to be corrupt */
OI_SDP_TOO_MANY_ATTRIBUTE_BYTES = 836, /**< SDP: Response contained more bytes than requested. */
OI_SDP_TOO_MANY_SERVICE_RECORDS = 837, /**< SDP: Response contained more service records than requested. */
OI_SDP_INVALID_CONNECTION_ID = 838, /**< SDP: Invalid connection ID in an SDP request */
OI_SDP_CANNOT_SET_ATTRIBUTE = 839, /**< SDP: Attempt to set a dynamic attribute value failed */
OI_SDP_BADLY_FORMED_ATTRIBUTE_VALUE = 840, /**< SDP: An attribute value has the wrong type or structure */
OI_SDP_NO_ATTRIBUTE_LIST_TO_REMOVE = 841, /**< SDP: Attempt to remove a non-existent attribute list from a service record */
OI_SDP_ATTRIBUTE_LIST_ALREADY_ADDED = 842, /**< SDP: An attribute list has already been added to the service record */
OI_SDP_DATA_ELEMENT_TRUNCATED = 843, /**< SDP: Data element truncated (too few bytes) */
OI_RFCOMM_WRITE_IN_PROGRESS = 901, /**< RFCOMM: Write in progress */
OI_RFCOMM_INVALID_BAUDRATE = 903, /**< RFCOMM: Invalid baudrate */
OI_RFCOMM_INVALID_DATABIT = 904, /**< RFCOMM: Invalid databit */
OI_RFCOMM_INVALID_STOPBIT = 905, /**< RFCOMM: Invalid stopbit */
OI_RFCOMM_INVALID_PARITY = 906, /**< RFCOMM: Invalid parity */
OI_RFCOMM_INVALID_PARITYTYPE = 907, /**< RFCOMM: Invalid paritytype */
OI_RFCOMM_INVALID_FLOWCONTROL = 908, /**< RFCOMM: Invalid flowcontrol */
OI_RFCOMM_SESSION_EXISTS = 909, /**< RFCOMM: Session exists */
OI_RFCOMM_INVALID_CHANNEL = 910, /**< RFCOMM: Invalid channel */
OI_RFCOMM_DLCI_EXISTS = 911, /**< RFCOMM: DLCI exists */
OI_RFCOMM_LINK_NOT_FOUND = 912, /**< RFCOMM: Link not found */
OI_RFCOMM_REMOTE_REJECT = 913, /**< RFCOMM: Remote reject */
OI_RFCOMM_TEST_IN_PROGRESS = 915, /**< RFCOMM: Test in progress */
OI_RFCOMM_SESSION_NOT_FOUND = 916, /**< RFCOMM: Session not found */
OI_RFCOMM_INVALID_PACKET = 917, /**< RFCOMM: Invalid packet */
OI_RFCOMM_FRAMESIZE_EXCEEDED = 918, /**< RFCOMM: Framesize exceeded */
OI_RFCOMM_INVALID_DLCI = 920, /**< RFCOMM: Invalid dlci */
OI_RFCOMM_SERVER_NOT_REGISTERED = 921, /**< RFCOMM: Server not registered */
OI_RFCOMM_CREDIT_ERROR = 922, /**< RFCOMM: Credit error */
OI_RFCOMM_NO_CHANNEL_NUMBER = 923, /**< RFCOMM: No channel number */
OI_RFCOMM_QUERY_IN_PROGRESS = 924, /**< RFCOMM: Query in progress */
OI_RFCOMM_SESSION_SHUTDOWN = 925, /**< RFCOMM: Session shutdown */
OI_RFCOMM_LOCAL_DEVICE_DISCONNECTED = 926, /**< RFCOMM: Local device disconnected */
OI_RFCOMM_REMOTE_DEVICE_DISCONNECTED = 927, /**< RFCOMM: Remote device disconnected */
OI_RFCOMM_OUT_OF_SERVER_CHANNELS = 928, /**< RFCOMM: Out of server channels */
OI_DISPATCH_INVALID_CB_HANDLE = 1001, /**< Dispatcher was handed an invalid callback handle */
OI_DISPATCH_TABLE_OVERFLOW = 1002, /**< Dispatcher table is full */
OI_TEST_UNKNOWN_TEST = 1101, /**< TEST: Unknown test */
OI_TEST_FAIL = 1102, /**< TEST: Fail */
OI_HCITRANS_CANNOT_CONNECT_TO_DEVICE = 1201, /**< TRANSPORT: Cannot connect to device */
OI_HCITRANS_BUFFER_TOO_SMALL = 1203, /**< TRANSPORT: Buffer too small */
OI_HCITRANS_NULL_DEVICE_HANDLE = 1204, /**< TRANSPORT: Null device handle */
OI_HCITRANS_IO_ERROR = 1205, /**< TRANSPORT: IO error */
OI_HCITRANS_DEVICE_NOT_READY = 1206, /**< TRANSPORT: Device not ready */
OI_HCITRANS_FUNCTION_NOT_SUPPORTED = 1207, /**< TRANSPORT: Function not supporteD */
OI_HCITRANS_ACCESS_DENIED = 1209, /**< TRANSPORT: win32 */
OI_HCITRANS_ACL_DATA_ERROR = 1210, /**< TRANSPORT: ACL data error */
OI_HCITRANS_SCO_DATA_ERROR = 1211, /**< TRANSPORT: SCO data error */
OI_HCITRANS_EVENT_DATA_ERROR = 1212, /**< TRANSPORT: HCI event data error */
OI_HCITRANS_INTERNAL_ERROR = 1214, /**< TRANSPORT: Internal error in the transport */
OI_HCITRANS_LINK_NOT_ACTIVE = 1215, /**< TRANSPORT: Link to the device is not currently active */
OI_HCITRANS_INITIALIZING = 1216, /**< TRANSPORT: Transport is initializing */
OI_DEVMGR_NO_CONNECTION = 1301, /**< DEVMGR: No connection */
OI_DEVMGR_HARDWARE_ERROR = 1305, /**< DEVMGR: error reported by HCI */
OI_DEVMGR_PENDING_CONNECT_LIST_FULL = 1307, /**< DEVMGR: Pending connect list full */
OI_DEVMGR_CONNECTION_LIST_FULL = 1309, /**< DEVMGR: Connection list full */
OI_DEVMGR_NO_SUCH_CONNECTION = 1310, /**< DEVMGR: No such connection */
OI_DEVMGR_INQUIRY_IN_PROGRESS = 1311, /**< DEVMGR: Inquiry in progress */
OI_DEVMGR_PERIODIC_INQUIRY_ACTIVE = 1312, /**< DEVMGR: Periodic inquiry active */
OI_DEVMGR_NO_INQUIRIES_ACTIVE = 1313, /**< DEVMGR: can not cancel/exit if not active */
OI_DEVMGR_DUPLICATE_CONNECTION = 1314, /**< DEVMGR: internal error */
OI_DEVMGR_DUPLICATE_EVENT_CALLBACK = 1316, /**< DEVMGR: attempt to register same callback twice */
OI_DEVMGR_EVENT_CALLBACK_LIST_FULL = 1317, /**< DEVMGR: can not register event callback, list is full */
OI_DEVMGR_EVENT_CALLBACK_NOT_FOUND = 1318, /**< DEVMGR: attempt to unregister callback failed */
OI_DEVMGR_BUSY = 1319, /**< DEVMGR: some operations can only execute one at a time */
OI_DEVMGR_ENUM_UNEXPECTED_INQ_COMPLETE = 1320, /**< DEVMGR: inquiry complete event in inappropriate enumeration state */
OI_DEVMGR_ENUM_UNEXPECTED_INQ_RESULT = 1321, /**< DEVMGR: inquiry result event in inappropriate enumeration state */
OI_DEVMGR_ENUM_DATABASE_FULL = 1322, /**< DEVMGR: device enumeration, database is full, couldn't add a new device */
OI_DEVMGR_ENUM_INQUIRIES_OVERLAP = 1323, /**< DEVMGR: device enumeration, periodic inquiries occurring too close together */
OI_DEVMGR_UNKNOWN_LINK_TYPE = 1324, /**< DEVMGR: HCI connect request with unkown link type */
OI_DEVMGR_PARAM_IO_ACTIVE = 1325, /**< DEVMGR: request for parameter read/write while param read/write active */
OI_DEVMGR_UNKNOWN_IAC_LAP = 1326, /**< DEVMGR: unrecognized IAC LAP */
OI_DEVMGR_SCO_ALREADY_REGISTERED = 1327, /**< DEVMGR: only one application can use SCO */
OI_DEVMGR_SCO_NOT_REGISTERED = 1328, /**< DEVMGR: SCO applications must register before using the API */
OI_DEVMGR_SCO_WITHOUT_ACL = 1329, /**< DEVMGR: Got SCO connection but there is no underlying ACL connection */
OI_DEVMGR_NO_SUPPORT = 1330, /**< DEVMGR: Request is not supported by the device */
OI_DEVMGR_WRITE_POLICY_FAILED = 1331, /**< DEVMGR: connection attempt failed - unable to write link policy */
OI_DEVMGR_NOT_IN_MASTER_MODE = 1332, /**< DEVMGR: OI_DEVMGR EndMasterMode without prior OI_DEVMGR_BeginMasterMode */
OI_DEVMGR_POLICY_VIOLATION = 1333, /**< DEVMGR: low-power request is rejected - link policy does not allow it */
OI_DEVMGR_BUSY_TIMEOUT = 1334, /**< DEVMGR: queued operation timed out while in the queue; \n
timeout configurable via @ref OI_CONFIG_DEVMGR::connectQueueTimeoutSecs "connectQueueTimeoutSecs" */
OI_DEVMGR_REENCRYPT_FAILED = 1335, /**< DEVMGR: failed to re-encrypt link after role switch */
OI_DEVMGR_ROLE_POLICY_CONFLICT = 1336, /**< DEVMGR: requested role conflicts with current policy */
OI_DEVMGR_BAD_INTERVAL = 1337, /**< DEVMGR: current linkTO outside range of requested min/max interval */
OI_DEVMGR_INVALID_SCO_HANDLE = 1338, /**< DEVMGR: HCI SCO event, invalid handle */
OI_DEVMGR_CONNECTION_OVERLAP = 1339, /**< DEVMGR: Connection failed due to race condition with remote side */
OI_DEVMGR_ORPHAN_SUBRATE_COMPLETE = 1340, /**< DEVMGR: sniff subrate complete, but no callback */
OI_DEVMGR_EIR_RESPONSE_2_LARGE = 1341, /**< DEVMGR: eir builder, response length would exceed spec max */
OI_SECMGR_NO_POLICY = 1401, /**< SECMGR: no security policy has been established */
OI_SECMGR_INTERNAL_ERROR = 1402, /**< SECMGR: internal inconsistency */
OI_SECMGR_ORPHANED_CALLBACK = 1403, /**< SECMGR: we've been called back, but CB context is gone */
OI_SECMGR_BUSY = 1404, /**< SECMGR: configure and access request cannot be concurrent */
OI_SECMGR_DEVICE_NOT_TRUSTED = 1405, /**< SECMGR: l2cap access denied - device is not trusted */
OI_SECMGR_DEVICE_ENCRYPT_FAIL = 1407, /**< SECMGR: l2cap access denied - failed to start encryption */
OI_SECMGR_DISCONNECTED_FAIL = 1408, /**< SECMGR: l2cap access denied - disconnected */
OI_SECMGR_ACCESS_PENDING = 1409, /**< SECMGR: l2cap access request is still pending */
OI_SECMGR_PIN_CODE_TOO_SHORT = 1410, /**< SECMGR: Higher-layer process gave us a pin code that is too short */
OI_SECMGR_UNKNOWN_ENCRYPT_VALUE = 1411, /**< SECMGR: got EncryptionChange event, unknown encryption enable value */
OI_SECMGR_INVALID_POLICY = 1412, /**< SECMGR: the specified security policy is not valid for security mode */
OI_SECMGR_AUTHORIZATION_FAILED = 1413, /**< SECMGR: device authorization failed */
OI_SECMGR_ENCRYPTION_FAILED = 1414, /**< SECMGR: device encryption failed */
OI_SECMGR_UNIT_KEY_UNSUPPORTED = 1415, /**< SECMGR: authentication failed due to non-support of unit keys */
OI_SECMGR_NOT_REGISTERED = 1416, /**< SECMGR: required registrations have not yet occurred */
OI_SECMGR_ILLEGAL_WRITE_SSP_MODE = 1417, /**< SECMGR: 2.1 HCI spec does not allow SSP mode to be disabled */
OI_SECMGR_INVALID_SEC_LEVEL = 1418, /**< SECMGR: security level for a service is not a valid value */
OI_SECMGR_INSUFFICIENT_LINK_KEY = 1419, /**< SECMGR: link key type is not sufficient to meet service requirements */
OI_SECMGR_INVALID_KEY_TYPE = 1420, /**< SECMGR: link key type is not a valid value */
OI_SECMGR_SSP_NOT_ENCRYPTED = 1421, /**< SECMGR: ssp required encryption on incoming link */
OI_SECMGR_ORPHAN_EVENT = 1422, /**< SECMGR: some HCI security event unrelated to current processes */
OI_SECMGR_NOT_BONDABLE = 1423, /**< SECMGR: not in bondable mode */
OI_TCS_INVALID_ELEMENT_TYPE = 1602, /**< TCS: element type is invalid */
OI_TCS_INVALID_PACKET = 1603, /**< TCS: packet is invalide */
OI_TCS_CALL_IN_PROGRESS = 1604, /**< TCS: call is in progress */
OI_TCS_NO_CALL_IN_PROGRESS = 1605, /**< TCS: no call in progress */
OI_OBEX_CONTINUE = 1701, /**< OBEX: Continue processing OBEX request */
OI_OBEX_COMMAND_ERROR = 1702, /**< OBEX: An unrecognized OBEX command opcode */
OI_OBEX_CONNECTION_TIMEOUT = 1703, /**< OBEX: Timeout waiting for a response to a request */
OI_OBEX_CONNECT_FAILED = 1704, /**< OBEX: An OBEX connection request did not succeed */
OI_OBEX_DISCONNECT_FAILED = 1705, /**< OBEX: A disconnect failed probably because the connection did not exist */
OI_OBEX_ERROR = 1706, /**< OBEX: Unspecified OBEX error */
OI_OBEX_INCOMPLETE_PACKET = 1707, /**< OBEX: Packet too short or corrupt */
OI_OBEX_LENGTH_REQUIRED = 1708, /**< OBEX: Length header required in OBEX command */
OI_OBEX_NOT_CONNECTED = 1709, /**< OBEX: No connection to OBEX server */
OI_OBEX_NO_MORE_CONNECTIONS = 1710, /**< OBEX: Reached max connections limit */
OI_OBEX_OPERATION_IN_PROGRESS = 1711, /**< OBEX: Another operation is still in progress on a connection */
OI_OBEX_PUT_RESPONSE_ERROR = 1712, /**< OBEX: An error in the response to a PUT command */
OI_OBEX_GET_RESPONSE_ERROR = 1713, /**< OBEX: An error in the response to a GET command */
OI_OBEX_REQUIRED_HEADER_NOT_FOUND = 1714, /**< OBEX: packet was missing a required header */
OI_OBEX_SERVICE_UNAVAILABLE = 1715, /**< OBEX: Unown OBEX target or required service */
OI_OBEX_TOO_MANY_HEADER_BYTES = 1716, /**< OBEX: Headers will not fit in single OBEX packet */
OI_OBEX_UNKNOWN_COMMAND = 1717, /**< OBEX: Unrecognized OBEX command */
OI_OBEX_UNSUPPORTED_VERSION = 1718, /**< OBEX: Version mismatch */
OI_OBEX_CLIENT_ABORTED_COMMAND = 1719, /**< OBEX: server received abort command */
OI_OBEX_BAD_PACKET = 1720, /**< OBEX: Any malformed OBEX packet */
OI_OBEX_BAD_REQUEST = 1721, /**< OBEX: Maps to OBEX response of the same name */
OI_OBEX_OBJECT_OVERFLOW = 1723, /**< OBEX: Too many bytes received. */
OI_OBEX_NOT_FOUND = 1724, /**< OBEX: Maps to obex response of same name */
OI_OBEX_ACCESS_DENIED = 1735, /**< OBEX: Object could not be read or written. */
OI_OBEX_VALUE_NOT_ACCEPTABLE = 1736, /**< OBEX: Value in a command was not in the acceptable range. */
OI_OBEX_PACKET_OVERFLOW = 1737, /**< OBEX: Buffer will not fit in a single OBEX packet. */
OI_OBEX_NO_SUCH_FOLDER = 1738, /**< OBEX: Error returned by a setpath operation. */
OI_OBEX_NAME_REQUIRED = 1739, /**< OBEX: Name must be non-null and non-empty. */
OI_OBEX_PASSWORD_TOO_LONG = 1740, /**< OBEX: Password exceeds implementation imposed length limit. */
OI_OBEX_PRECONDITION_FAILED = 1741, /**< OBEX: response Precondition Failed */
OI_OBEX_UNAUTHORIZED = 1742, /**< OBEX: authentication was not successful. */
OI_OBEX_NOT_IMPLEMENTED = 1743, /**< OBEX: Unimplemented feature. */
OI_OBEX_INVALID_AUTH_DIGEST = 1744, /**< OBEX: An authentication digest was bad. */
OI_OBEX_INVALID_OPERATION = 1745, /**< OBEX: Operation not allowed at this time. */
OI_OBEX_DATABASE_FULL = 1746, /**< OBEX: Sync database full. */
OI_OBEX_DATABASE_LOCKED = 1747, /**< OBEX: Sync database locked. */
OI_OBEX_INTERNAL_SERVER_ERROR = 1748, /**< OBEX: response Internal Server Error */
OI_OBEX_UNSUPPORTED_MEDIA_TYPE = 1749, /**< OBEX: response Unsupported Media Type */
OI_OBEX_PARTIAL_CONTENT = 1750, /**< OBEX: response Partial Content */
OI_OBEX_METHOD_NOT_ALLOWED = 1751, /**< OBEX: response Method Not Allowed */
OI_OBEXSRV_INCOMPLETE_GET = 1752, /**< OBEX: Indicates to a GET handler that the request phase is still in progress */
OI_OBEX_FOLDER_BROWSING_NOT_ALLOWED = 1753, /**< OBEX: Indicates that an FTP server does not allow folder browsing */
OI_OBEX_SERVER_FORCED_DISCONNECT = 1754, /**< OBEX: connection was forcibly terminated by the server */
OI_OBEX_OFS_ERROR = 1755, /**< OBEX: OPP object file system error occurred */
OI_OBEX_FILEOP_ERROR = 1756, /**< OBEX: FTP/PBAP file operation system error occurred */
OI_OBEX_USERID_TOO_LONG = 1757, /**< OBEX: User Id exceeds spec limited length limit. */
OI_HANDSFREE_EVENT_REPORTING_DISABLED = 1801, /**< HANDSFREE: Event reporting disabled */
OI_HANDSFREE_NOT_CONNECTED = 1802, /**< HANDSFREE: Not connected */
OI_HANDSFREE_SERVICE_NOT_STARTED = 1803, /**< HANDSFREE: Cannot connect to handsfree AG if handsfree service not started */
OI_HANDSFREE_AG_SERVICE_NOT_STARTED = 1804, /**< HANDSFREE: Cannot connect to handsfree device if handsfree AG service not started */
OI_HANDSFREE_COMMAND_IN_PROGRESS = 1805, /**< HANDSFREE: Cannot accept a command at this time */
OI_HANDSFREE_AUDIO_ALREADY_CONNECTED = 1806, /**< HANDSFREE: Audio is already connected */
OI_HANDSFREE_AUDIO_NOT_CONNECTED = 1807, /**< HANDSFREE: Audio is not connected */
OI_HANDSFREE_FEATURE_NOT_SUPPORTED = 1808, /**< HANDSFREE: Local or remote feature not supported for requested command */
OI_HEADSET_SERVICE_NOT_STARTED = 1901, /**< HEADSET: Cannot connect to headset AG if headset service not started */
OI_HEADSET_AG_SERVICE_NOT_STARTED = 1902, /**< HEADSET: Cannot connect to headset device if headset AG service not started */
OI_HEADSET_COMMAND_IN_PROGRESS = 1903, /**< HEADSET: Cannot accept a command at this time */
OI_BNEP_INVALID_MTU = 2001, /**< BNEP: The remote device cannot support the minimum BNEP MTU */
OI_BNEP_SETUP_TIMEOUT = 2002, /**< BNEP: The setup request timed out. */
OI_BNEP_SERVICE_NOT_REGISTERED = 2003, /**< BNEP: The requested service was not found. */
OI_BNEP_INVALID_HANDLE = 2004, /**< BNEP: The specified connection handle is not valid. */
OI_BNEP_RESPONSE_TIMEOUT = 2005, /**< BNEP: The timer for receiving a response has expired. */
OI_BNEP_INVALID_CONNECTION = 2006, /**< BNEP: Invalid connection */
OI_BNEP_INVALID_FILTER = 2007, /**< BNEP: The supplied filter was invalid. */
OI_BNEP_CONNECTION_EXISTS = 2008, /**< BNEP: An attempt was made to create a duplicate connection. */
OI_BNEP_NOT_INITIALIZED = 2009, /**< BNEP: Init has not been called */
OI_BNEP_CONNECT_BASE = 2010, /**< BNEP: connection response codes */
OI_BNEP_CONNECT_FAILED_INVALID_DEST_UUID = 2011, /**< BNEP: connect response code Invalid Dest UUID */
OI_BNEP_CONNECT_FAILED_INVALID_SOURCE_UUID = 2012, /**< BNEP: connect response code Invalid Source UUID */
OI_BNEP_CONNECT_FAILED_INVALID_UUID_SIZE = 2013, /**< BNEP: connect response code Invalid UUID Size */
OI_BNEP_CONNECT_FAILED_NOT_ALLOWED = 2014, /**< BNEP: connect response code Not Allowed */
OI_BNEP_FILTER_NET_BASE = 2020, /**< BNEP: filter response codes */
OI_BNEP_FILTER_NET_UNSUPPORTED_REQUEST = 2021, /**< BNEP: filter response code Unsupported Request */
OI_BNEP_FILTER_NET_FAILED_INVALID_PROTOCOL_TYPE = 2022, /**< BNEP: filter response code Invalid Protocol Type */
OI_BNEP_FILTER_NET_FAILED_MAX_LIMIT_REACHED = 2023, /**< BNEP: filter response code Max Limit Reached */
OI_BNEP_FILTER_NET_FAILED_SECURITY = 2024, /**< BNEP: filter response code Security */
OI_BNEP_FILTER_MULTI_BASE = 2030, /**< BNEP: multicast response codes */
OI_BNEP_FILTER_MULTI_UNSUPPORTED_REQUEST = 2031, /**< BNEP: multicast response code Unsupported Request */
OI_BNEP_FILTER_MULTI_FAILED_INVALID_ADDRESS = 2032, /**< BNEP: multicast response code Invalid Address */
OI_BNEP_FILTER_MULTI_FAILED_MAX_LIMIT_REACHED = 2033, /**< BNEP: multicast response code Max Limit Reached */
OI_BNEP_FILTER_MULTI_FAILED_SECURITY = 2034, /**< BNEP: multicast response code Security */
OI_BNEP_LOCAL_DEVICE_MUST_BE_MASTER = 2040, /**< BNEP: Device must be master of the piconet for this function */
OI_BNEP_PACKET_FILTERED_OUT = 2041, /**< BNEP: Packet did not pass current filters */
OI_NETIFC_UP_FAILED = 2101, /**< NETIFC: Could not bring up network interface */
OI_NETIFC_COULD_NOT_CREATE_THREAD = 2102, /**< NETIFC: Network interface could not create a read thread */
OI_NETIFC_INITIALIZATION_FAILED = 2103, /**< NETIFC: Error in network interface initialization */
OI_NETIFC_INTERFACE_ALREADY_UP = 2104, /**< NETIFC: Network interface is already up */
OI_NETIFC_INTERFACE_NOT_UP = 2105, /**< NETIFC: Network interface is not up */
OI_NETIFC_PACKET_TOO_BIG = 2106, /**< NETIFC: The packet is too big */
OI_PAN_ROLE_ALREADY_REGISTERED = 2201, /**< PAN: This PAN role was already registered */
OI_PAN_ROLE_NOT_ALLOWED = 2202, /**< PAN: The PAN role is not currently allowed */
OI_PAN_INCOMPATIBLE_ROLES = 2203, /**< PAN: Only certain local and remote role combinations are permitted */
OI_PAN_INVALID_ROLE = 2204, /**< PAN: Role specified is not one the defined PAN roles */
OI_PAN_CONNECTION_IN_PROGRESS = 2205, /**< PAN: A PAN connection is currently being established */
OI_PAN_USER_ALREADY_CONNECTED = 2206, /**< PAN: PAN user role only allows a single connection */
OI_PAN_DEVICE_CONNECTED = 2207, /**< PAN: A PAN connection already exists to specified device */
OI_CODEC_SBC_NO_SYNCWORD = 2301, /**< CODEC: Couldn't find an SBC SYNCWORD */
OI_CODEC_SBC_NOT_ENOUGH_HEADER_DATA = 2302, /**< CODEC: Not enough data provided to decode an SBC header */
OI_CODEC_SBC_NOT_ENOUGH_BODY_DATA = 2303, /**< CODEC: Decoded the header, but not enough data to contain the rest of the frame */
OI_CODEC_SBC_NOT_ENOUGH_AUDIO_DATA = 2304, /**< CODEC: Not enough audio data for this frame */
OI_CODEC_SBC_CHECKSUM_MISMATCH = 2305, /**< CODEC: The frame header didn't match the checksum */
OI_CODEC_SBC_PARTIAL_DECODE = 2306, /**< CODEC: Decoding was successful, but frame data still remains. Next call will provide audio without consuming input data. */
OI_FIFOQ_QUEUE_NOT_ALIGNED = 2401, /**< FIFOQ: queue must be 32-bit aligned */
OI_FIFOQ_INVALID_Q = 2402, /**< FIFOQ: queue parameter is not a valid queue */
OI_FIFOQ_BUF_TOO_LARGE = 2403, /**< FIFOQ: attempt to queue a buffer which is too large */
OI_FIFOQ_FULL = 2404, /**< FIFOQ: enqueue() failed, queue is full */
OI_FIFOQ_NOT_ALLOCATED = 2405, /**< FIFOQ: Enqueue QBuf() failed, buffer not allocated */
OI_FIFOQ_INVALID_DATA_PTR = 2406, /**< FIFOQ: Enqueue QBuf() failed, data pointer does not match */
OI_HID_HOST_SERVICE_NOT_STARTED = 2601, /**< HID: Cannot connect to a HID device unless HID host is started */
OI_HID_DEVICE_SERVICE_NOT_STARTED = 2602, /**< HID: Cannot connect to a HID host unless HID device is started */
OI_AT_ERROR = 2701, /**< AT: ERROR response */
OI_AT_NO_CARRIER = 2702, /**< AT: NO CARRIER response */
OI_AT_BUSY = 2703, /**< AT: BUSY response */
OI_AT_NO_ANSWER = 2704, /**< AT: NO ANSWER response */
OI_AT_DELAYED = 2705, /**< AT: DELAYED response */
OI_AT_BLACKLISTED = 2706, /**< AT: BLACKLISTED response */
OI_AT_CME_ERROR = 2707, /**< AT: +CME ERROR response */
OI_AT_CMS_ERROR = 2708, /**< AT: +CMS ERROR response */
OI_BLST_CHARACTER_TIMEOUT = 2801, /**< BLST: Timeout expired while waiting for a character from the client. */
OI_BLST_ACKNOWLDGE_TIMEOUT = 2802, /**< BLST: Timeout expired while waiting for event acknowledgment from the client */
OI_BLST_TX_NOT_READY = 2803, /**< BLST: BLST is not ready to send a BHAPI message to the client. */
OI_BLST_TX_BUSY = 2804, /**< BLST: BLST transmit buffer is in use. */
OI_AVDTP_CONNECTION_SEQ_ERROR = 2901, /**< AVDTP: sequencing of signalling/media channel connections broken. */
OI_AVDTP_OUT_OF_RESOURCES = 2902, /**< AVDTP: Tried to allocate too many endpoints or signalling channels. */
OI_PBAP_REPOSITORY_NOT_SET = 3001, /**< PBAP: Phonebook repository must be set for operation to complete. */
OI_PBAP_PHONEBOOK_NOT_SET = 3002, /**< PBAP: Phonebook be set for operation to complete. */
OI_AADP_BAD_ENDPOINT = 3101, /**< AADP: Invalid local endpoint specified */
OI_AADP_BAD_STATE = 3102, /**< AADP: AADP State is not correct for this operation. */
OI_UNICODE_INVALID_SOURCE = 3200, /**< Unicode Conversion: Source string has invalid character encoding. */
OI_UNICODE_SOURCE_EXHAUSTED = 3201, /**< Unicode Conversion: Incomplete Unicode character at end of source buffer. */
OI_UNICODE_DESTINATION_EXHAUSTED = 3202, /**< Unicode Conversion: Destination buffer not large enough to hold resulting Unicode string. */
OI_AVRCP_TOO_MANY_CONNECTIONS = 3300, /**< AVRCP: Exceeded maximum number of simultaneous AVCTP connections. */
OI_AVRCP_NOT_IMPLEMENTED = 3301, /**< AVRCP: The target does not implement the command specified by the opcode and operand. */
OI_AVRCP_REJECTED = 3302, /**< AVRCP: The target cannot respond because of invalid operands in command packet. */
OI_AVRCP_INVALID_RESPONSE = 3303, /**< AVRCP: The controller received the response with invalid parameters */
OI_AVRCP_RESPONSE_PACKET_OVERFLOW = 3304, /**< AVRCP: The response message does not fir in one AVRCP packet (512 bytes), has to be fragmented. */
OI_AVRCP_RESPONSE_INVALID_PDU = 3305, /**< AVRCP: Command rejected: target received a PDU that it did not understand. */
OI_AVRCP_RESPONSE_INVALID_PARAMETER = 3306, /**< AVRCP: Command rejected: target received a PDU with a parameter ID that it did not understand. */
OI_AVRCP_RESPONSE_PARAMETER_NOT_FOUND = 3307, /**< AVRCP: Command rejected: specified parameter not found, sent if the parameter ID is understood, but content is wrong or corrupted.*/
OI_AVRCP_RESPONSE_INTERNAL_ERROR = 3308, /**< AVRCP: Command rejected: target detected other error conditions. */
OI_MAX_BM3_STATUS_VAL, /* Maximum BM3 status code */
/* Status code values reserved for BM3 SDK platform-specific implementations */
OI_STATUS_RESERVED_FOR_BCOT = 9000,
/* Status code values reserved for BHAPI products */
OI_STATUS_RESERVED_FOR_BHAPI = 9200,
/* Status code values reserved for Soundabout products */
OI_STATUS_RESERVED_FOR_SOUNDABOUT= 9400,
/*
* Status code values greater than or equal to this value are reserved for use by applications.
* However, because of differences between compilers, and differences between 16-bit and 32-bit
* platforms custom status codes should be in the 16-bit range, so status codes can range from 0
* to 65534, inclusive (65535 is reserved)
*/
OI_STATUS_RESERVED_FOR_APPS = 10000,
OI_STATUS_NONE = 0xffff /**< Special status code to indicate that there is no status. (Only to be used for special cases involving OI_SLOG_ERROR() and OI_SLOG_WARNING().) */
} OI_STATUS;
/* Remeber to update the #define below when new reserved blocks are added to
* the list above. */
#define OI_NUM_RESERVED_STATUS_BLOCKS 4 /**< Number of status code blocks reserved, including user apps */
/**
* Test for success
*/
#define OI_SUCCESS(x) ((x) == OI_OK)
/*****************************************************************************/
#ifdef __cplusplus
}
#endif
/**@}*/
#endif /* _OI_STATUS_H */

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2002 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef OI_STDDEFS_H
#define OI_STDDEFS_H
/**
* @file
* This file contains BM3 standard type definitions.
*
*/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
#include "oi_cpu_dep.h"
/** \addtogroup Misc Miscellaneous APIs */
/**@{*/
#ifdef __cplusplus
extern "C" {
#endif
#ifndef FALSE
#define FALSE 0 /**< This define statement sets FALSE as a preprocessor alias for 0. */
#endif
#ifndef TRUE
#define TRUE (!FALSE) /**< This define statement sets TRUE as a preprocessor alias for !FALSE. */
#endif
#ifdef HEW_TOOLCHAIN
#ifdef NULL
#undef NULL /**< Override HEW toolchain NULL definition */
#endif
#define NULL 0 /**< HEW toolchain does not allow us to compare (void*) type to function pointer */
#else
#ifndef NULL
#define NULL ((void*)0) /**< This define statement sets NULL as a preprocessor alias for (void*)0 */
#endif
#endif
/**
* @name Maximum and minimum values for basic types
* @{
*/
#define OI_INT8_MIN ((OI_INT8)0x80) /**< decimal value: -128 */
#define OI_INT8_MAX ((OI_INT8)0x7F) /**< decimal value: 127 */
#define OI_INT16_MIN ((OI_INT16)0x8000) /**< decimal value: -32768 */
#define OI_INT16_MAX ((OI_INT16)0x7FFF) /**< decimal value: 32767 */
#define OI_INT32_MIN ((OI_INT32)0x80000000) /**< decimal value: -2,147,483,648 */
#define OI_INT32_MAX ((OI_INT32)0x7FFFFFFF) /**< decimal value: 2,147,483,647 */
#define OI_UINT8_MIN ((OI_UINT8)0) /**< decimal value: 0 */
#define OI_UINT8_MAX ((OI_UINT8)0xFF) /**< decimal value: 255 */
#define OI_UINT16_MIN ((OI_UINT16)0) /**< decimal value: 0 */
#define OI_UINT16_MAX ((OI_UINT16)0xFFFF) /**< decimal value: 65535 */
#define OI_UINT32_MIN ((OI_UINT32)0) /**< decimal value: 0 */
#define OI_UINT32_MAX ((OI_UINT32)0xFFFFFFFF) /**< decimal value: 4,294,967,295 */
/**
* @}
*/
/**
* @name Integer types required by the Service Discovery Protocol
* @{
*/
/** unsigned 64-bit integer as a structure of two unsigned 32-bit integers */
typedef struct {
OI_UINT32 I1; /**< most significant 32 bits */
OI_UINT32 I2; /**< least significant 32 bits */
} OI_UINT64;
#define OI_UINT64_MIN { (OI_UINT32)0x00000000, (OI_UINT32)0x00000000 }
#define OI_UINT64_MAX { (OI_UINT32)0XFFFFFFFF, (OI_UINT32)0XFFFFFFFF }
/** signed 64-bit integer as a structure of one unsigned 32-bit integer and one signed 32-bit integer */
typedef struct {
OI_INT32 I1; /**< most significant 32 bits as a signed integer */
OI_UINT32 I2; /**< least significant 32 bits as an unsigned integer */
} OI_INT64;
#define OI_INT64_MIN { (OI_INT32)0x80000000, (OI_UINT32)0x00000000 }
#define OI_INT64_MAX { (OI_INT32)0X7FFFFFFF, (OI_UINT32)0XFFFFFFFF }
/** unsigned 128-bit integer as a structure of four unsigned 32-bit integers */
typedef struct {
OI_UINT32 I1; /**< most significant 32 bits */
OI_UINT32 I2; /**< second-most significant 32 bits */
OI_UINT32 I3; /**< third-most significant 32 bits */
OI_UINT32 I4; /**< least significant 32 bits */
} OI_UINT128;
#define OI_UINT128_MIN { (OI_UINT32)0x00000000, (OI_UINT32)0x00000000, (OI_UINT32)0x00000000, (OI_UINT32)0x00000000 }
#define OI_UINT128_MAX { (OI_UINT32)0XFFFFFFFF, (OI_UINT32)0XFFFFFFFF, (OI_UINT32)0XFFFFFFFF, (OI_UINT32)0XFFFFFFFF }
/** signed 128-bit integer as a structure of three unsigned 32-bit integers and one signed 32-bit integer */
typedef struct {
OI_INT32 I1; /**< most significant 32 bits as a signed integer */
OI_UINT32 I2; /**< second-most significant 32 bits as an unsigned integer */
OI_UINT32 I3; /**< third-most significant 32 bits as an unsigned integer */
OI_UINT32 I4; /**< least significant 32 bits as an unsigned integer */
} OI_INT128;
#define OI_INT128_MIN { (OI_UINT32)0x80000000, (OI_UINT32)0x00000000, (OI_UINT32)0x00000000, (OI_UINT32)0x00000000 }
#define OI_INT128_MAX { (OI_UINT32)0X7FFFFFFF, (OI_UINT32)0XFFFFFFFF, (OI_UINT32)0XFFFFFFFF, (OI_UINT32)0XFFFFFFFF }
/**
* @}
*/
/**
* type for ASCII character data items
*/
typedef char OI_CHAR;
/**
* type for double-byte character data items
*/
typedef OI_UINT16 OI_CHAR16;
/**
* types for UTF encoded strings.
*/
typedef OI_UINT8 OI_UTF8;
typedef OI_UINT16 OI_UTF16;
typedef OI_UINT32 OI_UTF32;
/**
* @name Single-bit operation macros
* @{
* In these macros, x is the data item for which a bit is to be tested or set and y specifies which bit
* is to be tested or set.
*/
/** This macro's value is TRUE if the bit specified by y is set in data item x. */
#define OI_BIT_TEST(x,y) ((x) & (y))
/** This macro's value is TRUE if the bit specified by y is not set in data item x. */
#define OI_BIT_CLEAR_TEST(x,y) (((x) & (y)) == 0)
/** This macro sets the bit specified by y in data item x. */
#define OI_BIT_SET(x,y) ((x) |= (y))
/** This macro clears the bit specified by y in data item x. */
#define OI_BIT_CLEAR(x,y) ((x) &= ~(y))
/** @} */
/**
* The OI_ARRAYSIZE macro is set to the number of elements in an array
* (instead of the number of bytes, which is returned by sizeof()).
*/
#ifndef OI_ARRAYSIZE
#define OI_ARRAYSIZE(a) (sizeof(a)/sizeof(a[0]))
#endif
/**
* @name Preprocessor aliases for individual bit positions
* Bits are defined here only if they are not already defined.
* @{
*/
#ifndef BIT0
#define BIT0 0x00000001 /**< preprocessor alias for 32-bit value with bit 0 set, used to specify this single bit */
#define BIT1 0x00000002 /**< preprocessor alias for 32-bit value with bit 1 set, used to specify this single bit */
#define BIT2 0x00000004 /**< preprocessor alias for 32-bit value with bit 2 set, used to specify this single bit */
#define BIT3 0x00000008 /**< preprocessor alias for 32-bit value with bit 3 set, used to specify this single bit */
#define BIT4 0x00000010 /**< preprocessor alias for 32-bit value with bit 4 set, used to specify this single bit */
#define BIT5 0x00000020 /**< preprocessor alias for 32-bit value with bit 5 set, used to specify this single bit */
#define BIT6 0x00000040 /**< preprocessor alias for 32-bit value with bit 6 set, used to specify this single bit */
#define BIT7 0x00000080 /**< preprocessor alias for 32-bit value with bit 7 set, used to specify this single bit */
#define BIT8 0x00000100 /**< preprocessor alias for 32-bit value with bit 8 set, used to specify this single bit */
#define BIT9 0x00000200 /**< preprocessor alias for 32-bit value with bit 9 set, used to specify this single bit */
#define BIT10 0x00000400 /**< preprocessor alias for 32-bit value with bit 10 set, used to specify this single bit */
#define BIT11 0x00000800 /**< preprocessor alias for 32-bit value with bit 11 set, used to specify this single bit */
#define BIT12 0x00001000 /**< preprocessor alias for 32-bit value with bit 12 set, used to specify this single bit */
#define BIT13 0x00002000 /**< preprocessor alias for 32-bit value with bit 13 set, used to specify this single bit */
#define BIT14 0x00004000 /**< preprocessor alias for 32-bit value with bit 14 set, used to specify this single bit */
#define BIT15 0x00008000 /**< preprocessor alias for 32-bit value with bit 15 set, used to specify this single bit */
#define BIT16 0x00010000 /**< preprocessor alias for 32-bit value with bit 16 set, used to specify this single bit */
#define BIT17 0x00020000 /**< preprocessor alias for 32-bit value with bit 17 set, used to specify this single bit */
#define BIT18 0x00040000 /**< preprocessor alias for 32-bit value with bit 18 set, used to specify this single bit */
#define BIT19 0x00080000 /**< preprocessor alias for 32-bit value with bit 19 set, used to specify this single bit */
#define BIT20 0x00100000 /**< preprocessor alias for 32-bit value with bit 20 set, used to specify this single bit */
#define BIT21 0x00200000 /**< preprocessor alias for 32-bit value with bit 21 set, used to specify this single bit */
#define BIT22 0x00400000 /**< preprocessor alias for 32-bit value with bit 22 set, used to specify this single bit */
#define BIT23 0x00800000 /**< preprocessor alias for 32-bit value with bit 23 set, used to specify this single bit */
#define BIT24 0x01000000 /**< preprocessor alias for 32-bit value with bit 24 set, used to specify this single bit */
#define BIT25 0x02000000 /**< preprocessor alias for 32-bit value with bit 25 set, used to specify this single bit */
#define BIT26 0x04000000 /**< preprocessor alias for 32-bit value with bit 26 set, used to specify this single bit */
#define BIT27 0x08000000 /**< preprocessor alias for 32-bit value with bit 27 set, used to specify this single bit */
#define BIT28 0x10000000 /**< preprocessor alias for 32-bit value with bit 28 set, used to specify this single bit */
#define BIT29 0x20000000 /**< preprocessor alias for 32-bit value with bit 29 set, used to specify this single bit */
#define BIT30 0x40000000 /**< preprocessor alias for 32-bit value with bit 30 set, used to specify this single bit */
#define BIT31 0x80000000 /**< preprocessor alias for 32-bit value with bit 31 set, used to specify this single bit */
#endif /* BIT0 et al */
/** @} */
#ifdef __cplusplus
}
#endif
/**@}*/
/*****************************************************************************/
#endif /* OI_STDDEFS_H */

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2002 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef OI_STRING_H
#define OI_STRING_H
/**
* @file
* This file contains BM3 supplied portable string.h functions
*
*/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
#include "oi_cpu_dep.h"
#include "oi_stddefs.h"
#if defined(USE_NATIVE_MEMCPY) || defined(USE_NATIVE_MALLOC)
#include <string.h>
#endif
/** \addtogroup Misc Miscellaneous APIs */
/**@{*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* If we are using Native malloc(), we must also use
* native Ansi string.h functions for memory manipulation.
*/
#ifdef USE_NATIVE_MALLOC
#ifndef USE_NATIVE_MEMCPY
#define USE_NATIVE_MEMCPY
#endif
#endif
#ifdef USE_NATIVE_MEMCPY
#define OI_MemCopy(to, from, size) memcpy((to), (from), (size))
#define OI_MemSet(block, val, size) memset((block), (val), (size))
#define OI_MemZero(block, size) memset((block), 0, (size))
#define OI_MemCmp(s1, s2, n) memcmp((s1), (s2), (n))
#define OI_Strcpy(dest, src) strcpy((dest),(src))
#define OI_Strcat(dest, src) strcat((dest),(src))
#define OI_StrLen(str) strlen((str))
#define OI_Strcmp(s1, s2) strcmp((s1), (s2))
#define OI_Strncmp(s1, s2, n) strncmp((s1), (s2), (n))
#else
/*
* OI_MemCopy
*
* Copy an arbitrary number of bytes from one memory address to another.
* The underlying implementation is the ANSI memmove() or equivalant, so
* overlapping memory copies will work correctly.
*/
void OI_MemCopy(void *To, void const *From, OI_UINT32 Size);
/*
* OI_MemSet
*
* Sets all bytes in a block of memory to the same value
*/
void OI_MemSet(void *Block, OI_UINT8 Val, OI_UINT32 Size);
/*
* OI_MemZero
*
* Sets all bytes in a block of memory to zero
*/
void OI_MemZero(void *Block, OI_UINT32 Size);
/*
* OI_MemCmp
*
* Compare two blocks of memory
*
* Returns:
* 0, if s1 == s2
* < 0, if s1 < s2
* > 0, if s2 > s2
*/
OI_INT OI_MemCmp(void const *s1, void const *s2, OI_UINT32 n);
/*
* OI_Strcpy
*
* Copies the Null terminated string from pStr to pDest, and
* returns pDest.
*/
OI_CHAR* OI_Strcpy(OI_CHAR *pDest,
OI_CHAR const *pStr);
/*
* OI_Strcat
*
* Concatonates the pStr string to the end of pDest, and
* returns pDest.
*/
OI_CHAR* OI_Strcat(OI_CHAR *pDest,
OI_CHAR const *pStr) ;
/*
* OI_StrLen
*
* Calculates the number of OI_CHARs in pStr (not including
* the Null terminator) and returns the value.
*/
OI_UINT OI_StrLen(OI_CHAR const *pStr) ;
/*
* OI_Strcmp
*
* Compares two Null terminated strings
*
* Returns:
* 0, if s1 == s2
* < 0, if s1 < s2
* > 0, if s2 > s2
*/
OI_INT OI_Strcmp(OI_CHAR const *s1,
OI_CHAR const *s2);
/*
* OI_Strncmp
*
* Compares the first "len" OI_CHARs of strings s1 and s2.
*
* Returns:
* 0, if s1 == s2
* < 0, if s1 < s2
* > 0, if s2 > s2
*/
OI_INT OI_Strncmp(OI_CHAR const *s1,
OI_CHAR const *s2,
OI_UINT32 len);
#endif /* USE_NATIVE_MEMCPY */
/*
* OI_StrcmpInsensitive
*
* Compares two Null terminated strings, treating
* the Upper and Lower case of 'A' through 'Z' as
* equivilent.
*
* Returns:
* 0, if s1 == s2
* < 0, if s1 < s2
* > 0, if s2 > s2
*/
OI_INT OI_StrcmpInsensitive(OI_CHAR const *s1,
OI_CHAR const *s2);
/*
* OI_StrncmpInsensitive
*
* Compares the first "len" OI_CHARs of strings s1 and s2,
* treating the Upper and Lower case of 'A' through 'Z' as
* equivilent.
*
*
* Returns:
* 0, if s1 == s2
* < 0, if s1 < s2
* > 0, if s2 > s2
*/
OI_INT OI_StrncmpInsensitive(OI_CHAR const *s1,
OI_CHAR const *s2,
OI_UINT len);
#ifdef __cplusplus
}
#endif
/** @} */
/*****************************************************************************/
#endif /* OI_STRING_H */

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2002 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef _OI_TIME_H
#define _OI_TIME_H
/** @file
*
* This file provides time type definitions and interfaces to time-related functions.
*
* The stack maintains a 64-bit real-time millisecond clock. The choice of
* milliseconds is for convenience, not accuracy.
*
* Timeouts are specified as tenths of seconds in a 32-bit value. Timeout values
* specified by the Bluetooth specification are usually muliple seconds, so
* accuracy to a tenth of a second is more than adequate.
*
* This file also contains macros to convert between seconds and the Link
* Manager's 1.28-second units.
*
*/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
#include "oi_stddefs.h"
/** \addtogroup Misc Miscellaneous APIs */
/**@{*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* Within the core stack timeouts are specified in intervals of tenths of seconds
*/
typedef OI_UINT16 OI_INTERVAL;
#define OI_INTERVALS_PER_SECOND 10
#define MSECS_PER_OI_INTERVAL (1000 / OI_INTERVALS_PER_SECOND)
/** maximum interval (54 min 36.7 sec) */
#define OI_MAX_INTERVAL 0x7fff
/**
* Macro to convert seconds to OI_INTERVAL time units
*/
#define OI_SECONDS(n) ((OI_INTERVAL) ((n) * OI_INTERVALS_PER_SECOND))
/**
* Macro to convert milliseconds to OI_INTERVAL time units (Rounded Up)
*/
#define OI_MSECONDS(n) ((OI_INTERVAL) ((n + MSECS_PER_OI_INTERVAL - 1) / MSECS_PER_OI_INTERVAL))
/**
* Macro to convert minutes to OI_INTERVAL time units
*/
#define OI_MINUTES(n) ((OI_INTERVAL) ((n) * OI_SECONDS(60)))
/** Convert an OI_INTERVAL to milliseconds. */
#define OI_INTERVAL_TO_MILLISECONDS(i) ((i) * MSECS_PER_OI_INTERVAL)
/**
* The stack depends on relative not absolute time. Any mapping between the
* stack's real-time clock and absolute time and date is implementation-dependent.
*/
typedef struct {
OI_INT32 seconds;
OI_INT16 mseconds;
} OI_TIME;
/**
* Convert an OI_TIME to milliseconds.
*
* @param t the time to convert
*
* @return the time in milliseconds
*/
OI_UINT32 OI_Time_ToMS(OI_TIME *t);
/**
* This function compares two time values.
*
* @param T1 first time to compare.
*
* @param T2 second time to compare.
*
* @return
@verbatim
-1 if t1 < t2
0 if t1 = t2
+1 if t1 > t2
@endverbatim
*/
OI_INT16 OI_Time_Compare(OI_TIME *T1,
OI_TIME *T2);
/**
* This function returns the interval between two times to a granularity of 0.1 seconds.
*
* @param Sooner a time value more recent that Later
*
* @param Later a time value later than Sooner
*
* @note The result is an OI_INTERVAL value so this function only works for time intervals
* that are less than about 71 minutes.
*
* @return the time interval between the two times = (Later - Sooner)
*/
OI_INTERVAL OI_Time_Interval(OI_TIME *Sooner,
OI_TIME *Later);
/**
* This function returns the interval between two times to a granularity of milliseconds.
*
* @param Sooner a time value more recent that Later
*
* @param Later a time value later than Sooner
*
* @note The result is an OI_UINT32 value so this function only works for time intervals
* that are less than about 50 days.
*
* @return the time interval between the two times = (Later - Sooner)
*/
OI_UINT32 OI_Time_IntervalMsecs(OI_TIME *Sooner,
OI_TIME *Later);
/**
* This function answers the question, Have we reached or gone past the target time?
*
* @param pTargetTime target time
*
* @return TRUE means time now is at or past target time
* FALSE means target time is still some time in the future
*/
OI_BOOL OI_Time_NowReachedTime(OI_TIME *pTargetTime);
/**
* Convert seconds to the Link Manager 1.28-second units
* Approximate by using 1.25 conversion factor.
*/
#define OI_SECONDS_TO_LM_TIME_UNITS(lmUnits) ((lmUnits)<4?(lmUnits):(lmUnits)-((lmUnits)>>2))
/**
* Convert Link Manager 1.28-second units to seconds.
* Approximate by using 1.25 conversion factor.
*/
#define OI_LM_TIME_UNITS_TO_SECONDS(lmUnits) ((lmUnits) + ((lmUnits)>>2))
#ifdef __cplusplus
}
#endif
/**@}*/
/* Include for OI_Time_Now() prototype
* Must be included at end to obtain OI_TIME typedef
*/
#include "oi_osinterface.h"
/*****************************************************************************/
#endif /* _OI_TIME_H */

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2002 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef _OI_UTILS_H
#define _OI_UTILS_H
/**
* @file
*
* This file provides the interface for utility functions.
* Among the utilities are strlen (string length), strcmp (string compare), and
* other string manipulation functions. These are provided for those plaforms
* where this functionality is not available in stdlib.
*/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
#include <stdarg.h>
#include "oi_common.h"
#include "oi_string.h"
#include "oi_bt_spec.h"
/** \addtogroup Misc Miscellaneous APIs */
/**@{*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* Opaque type for a callback function handle. See OI_ScheduleCallbackFunction()
*/
typedef OI_UINT32 OI_CALLBACK_HANDLE;
/**
* Function prototype for a timed procedure callback.
*
* @param arg Value that was passed into the OI_ScheduleCallback() function
*
*/
typedef void (*OI_SCHEDULED_CALLBACK)(void *arg);
/**
* Registers a function to be called when a timeout expires. This API uses BLUEmagic's internal
* function dispatch mechanism, so applications that make extensive use of this facility may need to
* increase the value of DispatchTableSize in the configuration block for the dispatcher (see
* oi_bt_stack_config.h).
*
* @param callbackFunction The function that will be called when the timeout expires
*
* @param arg Value that will be returned as the parameter to the callback function.
*
* @param timeout A timeout expressed in OI_INTERVALs (tenths of seconds). This can be
* zero in which case the callback function will be called as soon as
* possible.
*
* @param handle NULL or a pointer receive the callback handle.
*
* @return OI_OK if the function was reqistered, or an error status.
*/
OI_STATUS OI_ScheduleCallbackFunction(OI_SCHEDULED_CALLBACK callbackFunction,
void *arg,
OI_INTERVAL timeout,
OI_CALLBACK_HANDLE *handle);
/**
* Cancels a function registered with OI_ScheduleCallbackFunction() before its timer expires.
*
* @param handle handle returned by OI_ScheduleCallbackFunction().
*
* @return OI_OK if the function was cancelled, or an error status.
*/
OI_STATUS OI_CancelCallbackFunction(OI_CALLBACK_HANDLE handle);
/**
* Registers a function to be called when a timeout expires. This version does not return a handle
* so can only be canceled by calling OI_CancelCallback().
*
* @param callbackFunction The function that will be called when the timeout expires
*
* @param arg Value that will be returned as the parameter to the callback function.
*
* @param timeout A timeout expressed in OI_INTERVALs (tenths of seconds). This can be
* zero in which case the callback function will be called as soon as
* possible.
*
* @return OI_OK if the function was reqistered, or an error status.
*/
#define OI_ScheduleCallback(f, a, t) OI_ScheduleCallbackFunction(f, a, t, NULL);
/**
* Cancels a function registered with OI_ScheduleCallback() before its timer expires. This
* function will cancel the first entry matches the indicated callback function pointer.
*
* @param callbackFunction The function that was originally registered
*
* @return OI_OK if the function was cancelled, or an error status.
*/
OI_STATUS OI_CancelCallback(OI_SCHEDULED_CALLBACK callbackFunction);
/**
* Parse a Bluetooth device address from the specified string.
*
* @param str the string to parse
* @param addr the parsed address, if successful
*
* @return TRUE if an address was successfully parsed, FALSE otherwise
*/
OI_BOOL OI_ParseBdAddr(const OI_CHAR *str,
OI_BD_ADDR *addr) ;
/**
* Printf function for platforms which have no stdio or printf available.
* OI_Printf supports the basic formatting types, with the exception of
* floating point types. Additionally, OI_Printf supports several formats
* specific to BLUEmagic 3.0 software:
*
* \%! prints the string for an #OI_STATUS value.
* @code OI_Printf("There was an error %!", status); @endcode
*
* \%@ prints a hex dump of a buffer.
* Requires a pointer to the buffer and a signed integer length
* (0 for default length). If the buffer is large, only an excerpt will
* be printed.
* @code OI_Printf("Contents of buffer %@", buffer, sizeof(buffer)); @endcode
*
* \%: prints a Bluetooth address in the form "HH:HH:HH:HH:HH:HH".
* Requires a pointer to an #OI_BD_ADDR.
* @code OI_Printf("Bluetooth address %:", &bdaddr); @endcode
*
* \%^ decodes and prints a data element as formatted XML.
* Requires a pointer to an #OI_DATAELEM.
* @code OI_Printf("Service attribute list is:\n%^", &attributes); @endcode
*
* \%/ prints the base file name of a path, that is, the final substring
* following a '/' or '\\' character. Requires a pointer to a null
* terminated string.
* @code OI_Printf("File %/", "c:\\dir1\\dir2\\file.txt"); @endcode
*
* \%~ prints a string, escaping characters as needed to display it in
* ASCII. Requires a pointer to an #OI_PSTR and an #OI_UNICODE_ENCODING
* parameter.
* @code OI_Printf("Identifier %~", &id, OI_UNICODE_UTF16_BE); @endcode
*
* \%[ inserts an ANSI color escape sequence. Requires a single character
* identifying the color to select. Colors are red (r/R), green (g/G),
* blue (b/B), yellow (y/Y), cyan (c/C), magenta (m/M), white (W),
* light-gray (l/L), dark-gray (d/D), and black (0). The lower case is
* dim, the upper case is bright (except in the case of light-gray and
* dark-gray, where bright and dim are identical). Any other value will
* select the default color.
* @code OI_Printf("%[red text %[black %[normal\n", 'r', '0', 0); @endcode
*
* \%a same as \%s, except '\\r' and '\\n' are output as "<cr>" and "<lf>".
* \%?a is valid, but \%la is not.
*
* \%b prints an integer in base 2.
* @code OI_Printf("Bits are %b", I); @endcode
*
* \%lb prints a long integer in base 2.
*
* \%?b prints the least significant N bits of an integer (or long integer)
* in base 2. Requires the integer and a length N.
* @code OI_Printf("Bottom 4 bits are: %?b", I, 4); @endcode
*
* \%B prints an integer as boolean text, "TRUE" or "FALSE".
* @code OI_Printf("The value 0 is %B, the value 1 is %B", 0, 1); @endcode
*
* \%?s prints a substring up to a specified maximum length.
* Requires a pointer to a string and a length parameter.
* @code OI_Printf("String prefix is %?s", str, 3); @endcode
*
* \%ls same as \%S.
*
* \%S prints a UTF16 string as UTF8 (plain ASCII, plus 8-bit char sequences
* where needed). Requires a pointer to #OI_CHAR16. \%?S is valid. The
* length parameter is in OI_CHAR16 characters.
*
* \%T prints time, formatted as "secs.msecs".
* Requires pointer to #OI_TIME struct, NULL pointer prints current time.
* @code OI_Printf("The time now is %T", NULL); @endcode
*
* @param format The format string
*
*/
void OI_Printf(const OI_CHAR *format, ...);
/**
* Var-args version OI_Printf
*
* @param format Same as for OI_Printf.
*
* @param argp Var-args list.
*/
void OI_VPrintf(const OI_CHAR *format, va_list argp);
/**
* Writes a formatted string to a buffer. This function supports the same format specifiers as
* OI_Printf().
*
* @param buffer Destination buffer for the formatted string.
*
* @param bufLen The length of the destination buffer.
*
* @param format The format string
*
* @return Number of characters written or -1 in the case of an error.
*/
OI_INT32 OI_SNPrintf(OI_CHAR *buffer,
OI_UINT16 bufLen,
const OI_CHAR* format, ...);
/**
* Var-args version OI_SNPrintf
*
* @param buffer Destination buffer for the formatted string.
*
* @param bufLen The length of the destination buffer.
*
* @param format The format string
*
* @param argp Var-args list.
*
* @return Number of characters written or -1 in the case of an error.
*/
OI_INT32 OI_VSNPrintf(OI_CHAR *buffer,
OI_UINT16 bufLen,
const OI_CHAR *format, va_list argp);
/**
* Convert a string to an integer.
*
* @param str the string to parse
*
* @return the integer value of the string or 0 if the string could not be parsed
*/
OI_INT OI_atoi(const OI_CHAR *str);
/**
* Parse a signed integer in a string.
*
* Skips leading whitespace (space and tabs only) and parses a decimal or hex string. Hex string
* must be prefixed by "0x". Returns pointer to first character following the integer. Returns the
* pointer passed in if the string does not describe an integer.
*
* @param str String to parse.
*
* @param val Pointer to receive the parsed integer value.
*
* @return A pointer to the first character following the integer or the pointer passed in.
*/
const OI_CHAR* OI_ScanInt(const OI_CHAR *str,
OI_INT32 *val);
/**
* Parse an unsigned integer in a string.
*
* Skips leading whitespace (space and tabs only) and parses a decimal or hex string. Hex string
* must be prefixed by "0x". Returns pointer to first character following the integer. Returns the
* pointer passed in if the string does not describe an integer.
*
* @param str String to parse.
*
* @param val Pointer to receive the parsed unsigned integer value.
*
* @return A pointer to the first character following the unsigned integer or the pointer passed in.
*/
const OI_CHAR* OI_ScanUInt(const OI_CHAR *str,
OI_UINT32 *val);
/**
* Parse a whitespace delimited substring out of a string.
*
* @param str Input string to parse.
* @param outStr Buffer to return the substring
* @param len Length of outStr
*
*
* @return A pointer to the first character following the substring or the pointer passed in.
*/
const OI_CHAR* OI_ScanStr(const OI_CHAR *str,
OI_CHAR *outStr,
OI_UINT16 len);
/**
* Parse a string for one of a set of alternative value. Skips leading whitespace (space and tabs
* only) and parses text matching one of the alternative strings. Returns pointer to first character
* following the matched text.
*
* @param str String to parse.
*
* @param alts Alternative matching strings separated by '|'
*
* @param index Pointer to receive the index of the matching alternative, return value is -1 if
* there is no match.
*
* @return A pointer to the first character following the matched value or the pointer passed in
* if there was no matching text.
*/
const OI_CHAR* OI_ScanAlt(const OI_CHAR *str,
const OI_CHAR *alts,
OI_INT *index);
/**
* Parse a string for a BD Addr. Skips leading whitespace (space and tabs only) and parses a
* Bluetooth device address with nibbles optionally separated by colons. Return pointet to first
* character following the BD Addr.
*
* @param str String to parse.
*
* @param addr Pointer to receive the Bluetooth device address
*
* @return A pointer to the first character following the BD Addr or the pointer passed in.
*/
const OI_CHAR* OI_ScanBdAddr(const OI_CHAR *str,
OI_BD_ADDR *addr);
/** Get a character from a digit integer value (0 - 9). */
#define OI_DigitToChar(d) ((d) + '0')
/**
* Determine Maximum and Minimum between two arguments.
*
* @param a 1st value
* @param b 2nd value
*
* @return the max or min value between a & b
*/
#define OI_MAX(a, b) (((a) < (b)) ? (b) : (a) )
#define OI_MIN(a, b) (((a) > (b)) ? (b) : (a) )
/**
* Compare two BD_ADDRs
* SAME_BD_ADDR - Boolean: TRUE if they are the same address
*/
#define SAME_BD_ADDR(x, y) (0 == OI_MemCmp((x),(y),OI_BD_ADDR_BYTE_SIZE) )
#ifdef __cplusplus
}
#endif
/**@}*/
#endif /* _OI_UTILS_H */

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#include <stdlib.h>
#include <oi_codec_sbc_private.h>
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
PRIVATE OI_STATUS OI_CODEC_SBC_Alloc(OI_CODEC_SBC_COMMON_CONTEXT *common,
OI_UINT32 *codecDataAligned,
OI_UINT32 codecDataBytes,
OI_UINT8 maxChannels,
OI_UINT8 pcmStride)
{
int i;
size_t filterBufferCount;
size_t subdataSize;
OI_BYTE *codecData = (OI_BYTE*)codecDataAligned;
if ((maxChannels < 1) || (maxChannels > 2)) {
return OI_STATUS_INVALID_PARAMETERS;
}
if ((pcmStride < 1) || (pcmStride > maxChannels)) {
return OI_STATUS_INVALID_PARAMETERS;
}
common->maxChannels = maxChannels;
common->pcmStride = pcmStride;
/* Compute sizes needed for the memory regions, and bail if we don't have
* enough memory for them. */
subdataSize = maxChannels * sizeof(common->subdata[0]) * SBC_MAX_BANDS * SBC_MAX_BLOCKS;
if (subdataSize > codecDataBytes) {
return OI_STATUS_OUT_OF_MEMORY;
}
filterBufferCount = (codecDataBytes - subdataSize) / (sizeof(common->filterBuffer[0][0]) * SBC_MAX_BANDS * maxChannels);
if (filterBufferCount < SBC_CODEC_MIN_FILTER_BUFFERS) {
return OI_STATUS_OUT_OF_MEMORY;
}
common->filterBufferLen = filterBufferCount * SBC_MAX_BANDS;
/* Allocate memory for the subband data */
common->subdata = (OI_INT32*)codecData;
codecData += subdataSize;
OI_ASSERT(codecDataBytes >= subdataSize);
codecDataBytes -= subdataSize;
/* Allocate memory for the synthesis buffers */
for (i = 0; i < maxChannels; ++i) {
size_t allocSize = common->filterBufferLen * sizeof(common->filterBuffer[0][0]);
common->filterBuffer[i] = (SBC_BUFFER_T*)codecData;
OI_ASSERT(codecDataBytes >= allocSize);
codecData += allocSize;
codecDataBytes -= allocSize;
}
return OI_OK;
}

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/** @file
@ingroup codec_internal
*/
/**@addgroup codec_internal*/
/**@{*/
#include <oi_codec_sbc_private.h>
static void dualBitAllocation(OI_CODEC_SBC_COMMON_CONTEXT *common)
{
OI_UINT bitcountL;
OI_UINT bitcountR;
OI_UINT bitpoolPreferenceL = 0;
OI_UINT bitpoolPreferenceR = 0;
BITNEED_UNION1 bitneedsL;
BITNEED_UNION1 bitneedsR;
bitcountL = computeBitneed(common, bitneedsL.uint8, 0, &bitpoolPreferenceL);
bitcountR = computeBitneed(common, bitneedsR.uint8, 1, &bitpoolPreferenceR);
oneChannelBitAllocation(common, &bitneedsL, 0, bitcountL);
oneChannelBitAllocation(common, &bitneedsR, 1, bitcountR);
}
static void stereoBitAllocation(OI_CODEC_SBC_COMMON_CONTEXT *common)
{
const OI_UINT nrof_subbands = common->frameInfo.nrof_subbands;
BITNEED_UNION2 bitneeds;
OI_UINT excess;
OI_INT bitadjust;
OI_UINT bitcount;
OI_UINT sbL;
OI_UINT sbR;
OI_UINT bitpoolPreference = 0;
bitcount = computeBitneed(common, &bitneeds.uint8[0], 0, &bitpoolPreference);
bitcount += computeBitneed(common, &bitneeds.uint8[nrof_subbands], 1, &bitpoolPreference);
{
OI_UINT ex;
bitadjust = adjustToFitBitpool(common->frameInfo.bitpool, bitneeds.uint32, 2 * nrof_subbands, bitcount, &ex);
/* We want the compiler to put excess into a register */
excess = ex;
}
sbL = 0;
sbR = nrof_subbands;
while (sbL < nrof_subbands) {
excess = allocAdjustedBits(&common->bits.uint8[sbL], bitneeds.uint8[sbL] + bitadjust, excess);
++sbL;
excess = allocAdjustedBits(&common->bits.uint8[sbR], bitneeds.uint8[sbR] + bitadjust, excess);
++sbR;
}
sbL = 0;
sbR = nrof_subbands;
while (excess) {
excess = allocExcessBits(&common->bits.uint8[sbL], excess);
++sbL;
if (!excess) {
break;
}
excess = allocExcessBits(&common->bits.uint8[sbR], excess);
++sbR;
}
}
static const BIT_ALLOC balloc[] = {
monoBitAllocation, /* SBC_MONO */
dualBitAllocation, /* SBC_DUAL_CHANNEL */
stereoBitAllocation, /* SBC_STEREO */
stereoBitAllocation /* SBC_JOINT_STEREO */
};
PRIVATE void OI_SBC_ComputeBitAllocation(OI_CODEC_SBC_COMMON_CONTEXT *common)
{
OI_ASSERT(common->frameInfo.bitpool <= OI_SBC_MaxBitpool(&common->frameInfo));
OI_ASSERT(common->frameInfo.mode < OI_ARRAYSIZE(balloc));
/*
* Using an array of function pointers prevents the compiler from creating a suboptimal
* monolithic inlined bit allocation function.
*/
balloc[common->frameInfo.mode](common);
}
OI_UINT32 OI_CODEC_SBC_CalculateBitrate(OI_CODEC_SBC_FRAME_INFO *frame)
{
return internal_CalculateBitrate(frame);
}
/*
* Return the current maximum bitneed and clear it.
*/
#if 0
OI_UINT8 OI_CODEC_SBC_GetMaxBitneed(OI_CODEC_SBC_COMMON_CONTEXT *common)
{
OI_UINT8 max = common->maxBitneed;
common->maxBitneed = 0;
return max;
}
#endif
/*
* Calculates the bitpool size for a given frame length
*/
OI_UINT16 OI_CODEC_SBC_CalculateBitpool(OI_CODEC_SBC_FRAME_INFO *frame,
OI_UINT16 frameLen)
{
OI_UINT16 nrof_subbands = frame->nrof_subbands;
OI_UINT16 nrof_blocks = frame->nrof_blocks;
OI_UINT16 hdr;
OI_UINT16 bits;
if (frame->mode == SBC_JOINT_STEREO) {
hdr = 9 * nrof_subbands;
} else {
if (frame->mode == SBC_MONO) {
hdr = 4 * nrof_subbands;
} else {
hdr = 8 * nrof_subbands;
}
if (frame->mode == SBC_DUAL_CHANNEL) {
nrof_blocks *= 2;
}
}
bits = (8 * (frameLen - SBC_HEADER_LEN)) - hdr;
return DIVIDE(bits, nrof_blocks);
}
OI_UINT16 OI_CODEC_SBC_CalculatePcmBytes(OI_CODEC_SBC_COMMON_CONTEXT *common)
{
return sizeof(OI_INT16) * common->pcmStride * common->frameInfo.nrof_subbands * common->frameInfo.nrof_blocks;
}
OI_UINT16 OI_CODEC_SBC_CalculateFramelen(OI_CODEC_SBC_FRAME_INFO *frame)
{
return internal_CalculateFramelen(frame);
}
/**@}*/

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@ -0,0 +1,394 @@
/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/**
@file
The functions in this file relate to the allocation of available bits to
subbands within the SBC/eSBC frame, along with support functions for computing
frame length and bitrate.
@ingroup codec_internal
*/
/**
@addtogroup codec_internal
@{
*/
#include "oi_utils.h"
#include <oi_codec_sbc_private.h>
OI_UINT32 OI_SBC_MaxBitpool(OI_CODEC_SBC_FRAME_INFO *frame)
{
switch (frame->mode) {
case SBC_MONO:
case SBC_DUAL_CHANNEL:
return 16 * frame->nrof_subbands;
case SBC_STEREO:
case SBC_JOINT_STEREO:
return 32 * frame->nrof_subbands;
default:
break;
}
ERROR(("Invalid frame mode %d", frame->mode));
OI_ASSERT(FALSE);
return 0; /* Should never be reached */
}
PRIVATE OI_UINT16 internal_CalculateFramelen(OI_CODEC_SBC_FRAME_INFO *frame)
{
OI_UINT16 nbits = frame->nrof_blocks * frame->bitpool;
OI_UINT16 nrof_subbands = frame->nrof_subbands;
OI_UINT16 result = nbits;
if (frame->mode == SBC_JOINT_STEREO) {
result += nrof_subbands + (8 * nrof_subbands);
} else {
if (frame->mode == SBC_DUAL_CHANNEL) { result += nbits; }
if (frame->mode == SBC_MONO) { result += 4*nrof_subbands; } else { result += 8*nrof_subbands; }
}
return SBC_HEADER_LEN + ((result + 7) / 8);
}
PRIVATE OI_UINT32 internal_CalculateBitrate(OI_CODEC_SBC_FRAME_INFO *frame)
{
OI_UINT blocksbands;
blocksbands = frame->nrof_subbands * frame->nrof_blocks;
return DIVIDE(8 * internal_CalculateFramelen(frame) * frame->frequency, blocksbands);
}
INLINE OI_UINT16 OI_SBC_CalculateFrameAndHeaderlen(OI_CODEC_SBC_FRAME_INFO *frame, OI_UINT *headerLen_)
{
OI_UINT headerLen = SBC_HEADER_LEN + (frame->nrof_subbands * frame->nrof_channels/2);
if (frame->mode == SBC_JOINT_STEREO) { headerLen++; }
*headerLen_ = headerLen;
return internal_CalculateFramelen(frame);
}
#define MIN(x, y) ((x) < (y) ? (x) : (y))
/*
* Computes the bit need for each sample and as also returns a counts of bit needs that are greater
* than one. This count is used in the first phase of bit allocation.
*
* We also compute a preferred bitpool value that this is the minimum bitpool needed to guarantee
* lossless representation of the audio data. The preferred bitpool may be larger than the bits
* actually required but the only input we have are the scale factors. For example, it takes 2 bits
* to represent values in the range -1 .. +1 but the scale factor is 0. To guarantee lossless
* representation we add 2 to each scale factor and sum them to come up with the preferred bitpool.
* This is not ideal because 0 requires 0 bits but we currently have no way of knowing this.
*
* @param bitneed Array to return bitneeds for each subband
*
* @param ch Channel 0 or 1
*
* @param preferredBitpool Returns the number of reserved bits
*
* @return The SBC bit need
*
*/
OI_UINT computeBitneed(OI_CODEC_SBC_COMMON_CONTEXT *common,
OI_UINT8 *bitneeds,
OI_UINT ch,
OI_UINT *preferredBitpool)
{
static const OI_INT8 offset4[4][4] = {
{ -1, 0, 0, 0 },
{ -2, 0, 0, 1 },
{ -2, 0, 0, 1 },
{ -2, 0, 0, 1 }
};
static const OI_INT8 offset8[4][8] = {
{ -2, 0, 0, 0, 0, 0, 0, 1 },
{ -3, 0, 0, 0, 0, 0, 1, 2 },
{ -4, 0, 0, 0, 0, 0, 1, 2 },
{ -4, 0, 0, 0, 0, 0, 1, 2 }
};
const OI_UINT nrof_subbands = common->frameInfo.nrof_subbands;
OI_UINT sb;
OI_INT8 *scale_factor = &common->scale_factor[ch ? nrof_subbands : 0];
OI_UINT bitcount = 0;
OI_UINT8 maxBits = 0;
OI_UINT8 prefBits = 0;
if (common->frameInfo.alloc == SBC_SNR) {
for (sb = 0; sb < nrof_subbands; sb++) {
OI_INT bits = scale_factor[sb];
if (bits > maxBits) {
maxBits = bits;
}
if ((bitneeds[sb] = bits) > 1) {
bitcount += bits;
}
prefBits += 2 + bits;
}
} else {
const OI_INT8 *offset;
if (nrof_subbands == 4) {
offset = offset4[common->frameInfo.freqIndex];
} else {
offset = offset8[common->frameInfo.freqIndex];
}
for (sb = 0; sb < nrof_subbands; sb++) {
OI_INT bits = scale_factor[sb];
if (bits > maxBits) {
maxBits = bits;
}
prefBits += 2 + bits;
if (bits) {
bits -= offset[sb];
if (bits > 0) {
bits /= 2;
}
bits += 5;
}
if ((bitneeds[sb] = bits) > 1) {
bitcount += bits;
}
}
}
common->maxBitneed = OI_MAX(maxBits, common->maxBitneed);
*preferredBitpool += prefBits;
return bitcount;
}
/*
* Explanation of the adjustToFitBitpool inner loop.
*
* The inner loop computes the effect of adjusting the bit allocation up or
* down. Allocations must be 0 or in the range 2..16. This is accomplished by
* the following code:
*
* for (s = bands - 1; s >= 0; --s) {
* OI_INT bits = bitadjust + bitneeds[s];
* bits = bits < 2 ? 0 : bits;
* bits = bits > 16 ? 16 : bits;
* count += bits;
* }
*
* This loop can be optimized to perform 4 operations at a time as follows:
*
* Adjustment is computed as a 7 bit signed value and added to the bitneed.
*
* Negative allocations are zeroed by masking. (n & 0x40) >> 6 puts the
* sign bit into bit 0, adding this to 0x7F give us a mask of 0x80
* for -ve values and 0x7F for +ve values.
*
* n &= 0x7F + (n & 0x40) >> 6)
*
* Allocations greater than 16 are truncated to 16. Adjusted allocations are in
* the range 0..31 so we know that bit 4 indicates values >= 16. We use this bit
* to create a mask that zeroes bits 0 .. 3 if bit 4 is set.
*
* n &= (15 + (n >> 4))
*
* Allocations of 1 are disallowed. Add and shift creates a mask that
* eliminates the illegal value
*
* n &= ((n + 14) >> 4) | 0x1E
*
* These operations can be performed in 8 bits without overflowing so we can
* operate on 4 values at once.
*/
/*
* Encoder/Decoder
*
* Computes adjustment +/- of bitneeds to fill bitpool and returns overall
* adjustment and excess bits.
*
* @param bitpool The bitpool we have to work within
*
* @param bitneeds An array of bit needs (more acturately allocation prioritities) for each
* subband across all blocks in the SBC frame
*
* @param subbands The number of subbands over which the adkustment is calculated. For mono and
* dual mode this is 4 or 8, for stereo or joint stereo this is 8 or 16.
*
* @param bitcount A starting point for the adjustment
*
* @param excess Returns the excess bits after the adjustment
*
* @return The adjustment.
*/
OI_INT adjustToFitBitpool(const OI_UINT bitpool,
OI_UINT32 *bitneeds,
const OI_UINT subbands,
OI_UINT bitcount,
OI_UINT *excess)
{
OI_INT maxBitadjust = 0;
OI_INT bitadjust = (bitcount > bitpool) ? -8 : 8;
OI_INT chop = 8;
/*
* This is essentially a binary search for the optimal adjustment value.
*/
while ((bitcount != bitpool) && chop) {
OI_UINT32 total = 0;
OI_UINT count;
OI_UINT32 adjust4;
OI_INT i;
adjust4 = bitadjust & 0x7F;
adjust4 |= (adjust4 << 8);
adjust4 |= (adjust4 << 16);
for (i = ((subbands / 4) - 1); i >= 0; --i) {
OI_UINT32 mask;
OI_UINT32 n = bitneeds[i] + adjust4;
mask = 0x7F7F7F7F + ((n & 0x40404040) >> 6);
n &= mask;
mask = 0x0F0F0F0F + ((n & 0x10101010) >> 4);
n &= mask;
mask = (((n + 0x0E0E0E0E) >> 4) | 0x1E1E1E1E);
n &= mask;
total += n;
}
count = (total & 0xFFFF) + (total >> 16);
count = (count & 0xFF) + (count >> 8);
chop >>= 1;
if (count > bitpool) {
bitadjust -= chop;
} else {
maxBitadjust = bitadjust;
bitcount = count;
bitadjust += chop;
}
}
*excess = bitpool - bitcount;
return maxBitadjust;
}
/*
* The bit allocator trys to avoid single bit allocations except as a last resort. So in the case
* where a bitneed of 1 was passed over during the adsjustment phase 2 bits are now allocated.
*/
INLINE OI_INT allocAdjustedBits(OI_UINT8 *dest,
OI_INT bits,
OI_INT excess)
{
if (bits < 16) {
if (bits > 1) {
if (excess) {
++bits;
--excess;
}
} else if ((bits == 1) && (excess > 1)) {
bits = 2;
excess -= 2;
} else {
bits = 0;
}
} else {
bits = 16;
}
*dest = (OI_UINT8)bits;
return excess;
}
/*
* Excess bits not allocated by allocaAdjustedBits are allocated round-robin.
*/
INLINE OI_INT allocExcessBits(OI_UINT8 *dest,
OI_INT excess)
{
if (*dest < 16) {
*dest += 1;
return excess - 1;
} else {
return excess;
}
}
void oneChannelBitAllocation(OI_CODEC_SBC_COMMON_CONTEXT *common,
BITNEED_UNION1 *bitneeds,
OI_UINT ch,
OI_UINT bitcount)
{
const OI_UINT8 nrof_subbands = common->frameInfo.nrof_subbands;
OI_UINT excess;
OI_UINT sb;
OI_INT bitadjust;
OI_UINT8 RESTRICT *allocBits;
{
OI_UINT ex;
bitadjust = adjustToFitBitpool(common->frameInfo.bitpool, bitneeds->uint32, nrof_subbands, bitcount, &ex);
/* We want the compiler to put excess into a register */
excess = ex;
}
/*
* Allocate adjusted bits
*/
allocBits = &common->bits.uint8[ch ? nrof_subbands : 0];
sb = 0;
while (sb < nrof_subbands) {
excess = allocAdjustedBits(&allocBits[sb], bitneeds->uint8[sb] + bitadjust, excess);
++sb;
}
sb = 0;
while (excess) {
excess = allocExcessBits(&allocBits[sb], excess);
++sb;
}
}
void monoBitAllocation(OI_CODEC_SBC_COMMON_CONTEXT *common)
{
BITNEED_UNION1 bitneeds;
OI_UINT bitcount;
OI_UINT bitpoolPreference = 0;
bitcount = computeBitneed(common, bitneeds.uint8, 0, &bitpoolPreference);
oneChannelBitAllocation(common, &bitneeds, 0, bitcount);
}
/**
@}
*/

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/**
@file
Functions for manipulating input bitstreams.
@ingroup codec_internal
*/
/**
@addtogroup codec_internal
@{
*/
#include "oi_stddefs.h"
#include "oi_bitstream.h"
#include "oi_assert.h"
PRIVATE void OI_BITSTREAM_ReadInit(OI_BITSTREAM *bs,
const OI_BYTE *buffer)
{
bs->value = ((OI_INT32)buffer[0] << 16) | ((OI_INT32)buffer[1] << 8) | (buffer[2]);
bs->ptr.r = buffer + 3;
bs->bitPtr = 8;
}
PRIVATE OI_UINT32 OI_BITSTREAM_ReadUINT(OI_BITSTREAM *bs, OI_UINT bits)
{
OI_UINT32 result;
OI_BITSTREAM_READUINT(result, bits, bs->ptr.r, bs->value, bs->bitPtr);
return result;
}
PRIVATE OI_UINT8 OI_BITSTREAM_ReadUINT4Aligned(OI_BITSTREAM *bs)
{
OI_UINT32 result;
OI_ASSERT(bs->bitPtr < 16);
OI_ASSERT(bs->bitPtr % 4 == 0);
if (bs->bitPtr == 8) {
result = bs->value << 8;
bs->bitPtr = 12;
} else {
result = bs->value << 12;
bs->value = (bs->value << 8) | *bs->ptr.r++;
bs->bitPtr = 8;
}
result >>= 28;
OI_ASSERT(result < (1u << 4));
return (OI_UINT8)result;
}
PRIVATE OI_UINT8 OI_BITSTREAM_ReadUINT8Aligned(OI_BITSTREAM *bs)
{
OI_UINT32 result;
OI_ASSERT(bs->bitPtr == 8);
result = bs->value >> 16;
bs->value = (bs->value << 8) | *bs->ptr.r++;
return (OI_UINT8)result;
}
/**
@}
*/

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2006 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/**
@file
This file exposes OINA-specific interfaces to decoder functions.
@ingroup codec_internal
*/
/**
@addtogroup codec_internal
@{
*/
#include <oi_codec_sbc_private.h>
OI_STATUS OI_CODEC_SBC_DecoderConfigureRaw(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_BOOL enhanced,
OI_UINT8 frequency,
OI_UINT8 mode,
OI_UINT8 subbands,
OI_UINT8 blocks,
OI_UINT8 alloc,
OI_UINT8 maxBitpool)
{
if (frequency > SBC_FREQ_48000) {
return OI_STATUS_INVALID_PARAMETERS;
}
if (enhanced) {
#ifdef SBC_ENHANCED
if (subbands != SBC_SUBBANDS_8) {
return OI_STATUS_INVALID_PARAMETERS;
}
#else
return OI_STATUS_INVALID_PARAMETERS;
#endif
}
if (mode > SBC_JOINT_STEREO) {
return OI_STATUS_INVALID_PARAMETERS;
}
if (subbands > SBC_SUBBANDS_8) {
return OI_STATUS_INVALID_PARAMETERS;
}
if (blocks > SBC_BLOCKS_16) {
return OI_STATUS_INVALID_PARAMETERS;
}
if (alloc > SBC_SNR) {
return OI_STATUS_INVALID_PARAMETERS;
}
#ifdef SBC_ENHANCED
context->common.frameInfo.enhanced = enhanced;
#else
context->common.frameInfo.enhanced = FALSE;
#endif
context->common.frameInfo.freqIndex = frequency;
context->common.frameInfo.mode = mode;
context->common.frameInfo.subbands = subbands;
context->common.frameInfo.blocks = blocks;
context->common.frameInfo.alloc = alloc;
context->common.frameInfo.bitpool = maxBitpool;
OI_SBC_ExpandFrameFields(&context->common.frameInfo);
if (context->common.frameInfo.nrof_channels >= context->common.pcmStride) {
return OI_STATUS_INVALID_PARAMETERS;
}
return OI_OK;
}
OI_STATUS OI_CODEC_SBC_DecodeRaw(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_UINT8 bitpool,
const OI_BYTE **frameData,
OI_UINT32 *frameBytes,
OI_INT16 *pcmData,
OI_UINT32 *pcmBytes)
{
return internal_DecodeRaw(context,
bitpool,
frameData,
frameBytes,
pcmData,
pcmBytes);
}
OI_STATUS OI_CODEC_SBC_DecoderLimit(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_BOOL enhanced,
OI_UINT8 subbands)
{
if (enhanced)
{
#ifdef SBC_ENHANCED
context->enhancedEnabled = TRUE;
#else
context->enhancedEnabled = FALSE;
#endif
}
else
{
context->enhancedEnabled = FALSE;
}
context->restrictSubbands = subbands;
context->limitFrameFormat = TRUE;
return OI_OK;
}
/**
@}
*/

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/**
@file
This file drives SBC decoding.
@ingroup codec_internal
*/
/**
@addtogroup codec_internal
@{
*/
#include "oi_codec_sbc_private.h"
#include "oi_bitstream.h"
#include <stdio.h>
const OI_CHAR * OI_Codec_Copyright = "Copyright 2002-2007 Open Interface North America, Inc. All rights reserved";
INLINE OI_STATUS internal_DecoderReset(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_UINT32 *decoderData,
OI_UINT32 decoderDataBytes,
OI_BYTE maxChannels,
OI_BYTE pcmStride,
OI_BOOL enhanced)
{
OI_UINT i;
OI_STATUS status;
for (i = 0; i < sizeof(*context); i++) {
((char *)context)[i] = 0;
}
#ifdef SBC_ENHANCED
context->enhancedEnabled = enhanced ? TRUE : FALSE;
#else
context->enhancedEnabled = FALSE;
if (enhanced){
return OI_STATUS_INVALID_PARAMETERS;
}
#endif
status = OI_CODEC_SBC_Alloc(&context->common, decoderData, decoderDataBytes, maxChannels, pcmStride);
if (!OI_SUCCESS(status)) {
return status;
}
context->common.codecInfo = OI_Codec_Copyright;
context->common.maxBitneed = 0;
context->limitFrameFormat = FALSE;
OI_SBC_ExpandFrameFields(&context->common.frameInfo);
/*PLATFORM_DECODER_RESET(context);*/
return OI_OK;
}
/**
* Read the SBC header up to but not including the joint stereo mask. The syncword has already been
* examined, and the enhanced mode flag set, by FindSyncword.
*/
/* BK4BTSTACK_CHANGE START */
INLINE void OI_SBC_ReadHeader_mSBC(OI_CODEC_SBC_COMMON_CONTEXT *common, const OI_BYTE *data){
OI_CODEC_SBC_FRAME_INFO *frame = &common->frameInfo;
OI_ASSERT(data[0] == OI_mSBC_SYNCWORD);
/* Avoid filling out all these strucutures if we already remember the values
* from last time. Just in case we get a stream corresponding to data[1] ==
* 0, DecoderReset is responsible for ensuring the lookup table entries have
* already been populated
*/
frame->reserved_for_future_use[0] = data[1];
frame->reserved_for_future_use[1] = data[2];
frame->freqIndex = 0;
frame->frequency = 16000;
frame->blocks = 4; // ?
frame->nrof_blocks = 15;
frame->mode = 0;
frame->nrof_channels = 1;
frame->alloc = SBC_LOUDNESS;
frame->subbands = 1;
frame->nrof_subbands = 8;
frame->bitpool = 26;
frame->crc = data[3];
frame->cachedInfo = 0;
}
/* BK4BTSTACK_CHANGE END */
INLINE void OI_SBC_ReadHeader(OI_CODEC_SBC_COMMON_CONTEXT *common, const OI_BYTE *data)
{
OI_CODEC_SBC_FRAME_INFO *frame = &common->frameInfo;
OI_UINT8 d1;
OI_ASSERT(data[0] == OI_SBC_SYNCWORD || data[0] == OI_SBC_ENHANCED_SYNCWORD);
/* Avoid filling out all these strucutures if we already remember the values
* from last time. Just in case we get a stream corresponding to data[1] ==
* 0, DecoderReset is responsible for ensuring the lookup table entries have
* already been populated
*/
d1 = data[1];
if (d1 != frame->cachedInfo) {
frame->freqIndex = (d1 & (BIT7 | BIT6)) >> 6;
frame->frequency = freq_values[frame->freqIndex];
frame->blocks = (d1 & (BIT5 | BIT4)) >> 4;
frame->nrof_blocks = block_values[frame->blocks];
frame->mode = (d1 & (BIT3 | BIT2)) >> 2;
frame->nrof_channels = channel_values[frame->mode];
frame->alloc = (d1 & BIT1) >> 1;
frame->subbands = (d1 & BIT0);
frame->nrof_subbands = band_values[frame->subbands];
frame->cachedInfo = d1;
}
/*
* For decode, the bit allocator needs to know the bitpool value
*/
frame->bitpool = data[2];
frame->crc = data[3];
}
#define LOW(x) ((x)& 0xf)
#define HIGH(x) ((x) >> 4)
/*
* Read scalefactor values and prepare the bitstream for OI_SBC_ReadSamples
*/
PRIVATE void OI_SBC_ReadScalefactors(OI_CODEC_SBC_COMMON_CONTEXT *common,
const OI_BYTE *b,
OI_BITSTREAM *bs)
{
OI_UINT i = common->frameInfo.nrof_subbands * common->frameInfo.nrof_channels;
OI_INT8 *scale_factor = common->scale_factor;
OI_UINT f;
if ((common->frameInfo.nrof_subbands == 8) || (common->frameInfo.mode != SBC_JOINT_STEREO)) {
if (common->frameInfo.mode == SBC_JOINT_STEREO) {
common->frameInfo.join = *b++;
} else {
common->frameInfo.join = 0;
}
i /= 2;
do {
*scale_factor++ = HIGH(f = *b++);
*scale_factor++ = LOW(f);
} while (--i);
/*
* In this case we know that the scale factors end on a byte boundary so all we need to do
* is initialize the bitstream.
*/
OI_BITSTREAM_ReadInit(bs, b);
} else {
OI_ASSERT(common->frameInfo.nrof_subbands == 4 && common->frameInfo.mode == SBC_JOINT_STEREO);
common->frameInfo.join = HIGH(f = *b++);
i = (i - 1) / 2;
do {
*scale_factor++ = LOW(f);
*scale_factor++ = HIGH(f = *b++);
} while (--i);
*scale_factor++ = LOW(f);
/*
* In 4-subband joint stereo mode, the joint stereo information ends on a half-byte
* boundary, so it's necessary to use the bitstream abstraction to read it, since
* OI_SBC_ReadSamples will need to pick up in mid-byte.
*/
OI_BITSTREAM_ReadInit(bs, b);
*scale_factor++ = OI_BITSTREAM_ReadUINT4Aligned(bs);
}
}
/** Read quantized subband samples from the input bitstream and expand them. */
PRIVATE void OI_SBC_ReadSamples(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_BITSTREAM *global_bs)
{
OI_CODEC_SBC_COMMON_CONTEXT *common = &context->common;
OI_UINT nrof_blocks = common->frameInfo.nrof_blocks;
OI_INT32 * RESTRICT s = common->subdata;
OI_UINT8 *ptr = global_bs->ptr.w;
OI_UINT32 value = global_bs->value;
OI_UINT bitPtr = global_bs->bitPtr;
const OI_UINT iter_count = common->frameInfo.nrof_channels * common->frameInfo.nrof_subbands / 4;
do {
OI_UINT i;
for (i = 0; i < iter_count; ++i) {
OI_UINT32 sf_by4 = ((OI_UINT32*)common->scale_factor)[i];
OI_UINT32 bits_by4 = common->bits.uint32[i];
OI_UINT n;
for (n = 0; n < 4; ++n) {
OI_INT32 dequant;
OI_UINT bits;
OI_INT sf;
if (OI_CPU_BYTE_ORDER == OI_LITTLE_ENDIAN_BYTE_ORDER) {
bits = bits_by4 & 0xFF;
bits_by4 >>= 8;
sf = sf_by4 & 0xFF;
sf_by4 >>= 8;
} else {
bits = (bits_by4 >> 24) & 0xFF;
bits_by4 <<= 8;
sf = (sf_by4 >> 24) & 0xFF;
sf_by4 <<= 8;
}
if (bits) {
OI_UINT32 raw;
// return raw == audio sample (uint16)
// bits == number of bits to read from stream
// ptr == position in stream
// value == 32bit value
// bitPtr offset in 32bit value
OI_BITSTREAM_READUINT(raw, bits, ptr, value, bitPtr);
// dequant == sb_sample (int32)
dequant = OI_SBC_Dequant(raw, sf, bits);
} else {
dequant = 0;
}
*s++ = dequant;
}
}
} while (--nrof_blocks);
}
/**
@}
*/

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@ -0,0 +1,499 @@
/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2006 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/** @file
@ingroup codec_internal
*/
/**@addtogroup codec_internal */
/**@{*/
#include "oi_codec_sbc_private.h"
#include "oi_bitstream.h"
#define SPECIALIZE_READ_SAMPLES_JOINT
/**
* Scans through a buffer looking for a codec syncword. If the decoder has been
* set for enhanced operation using OI_CODEC_SBC_DecoderReset(), it will search
* for both a standard and an enhanced syncword.
*/
PRIVATE OI_STATUS FindSyncword(OI_CODEC_SBC_DECODER_CONTEXT *context,
const OI_BYTE **frameData,
OI_UINT32 *frameBytes);
PRIVATE OI_STATUS FindSyncword(OI_CODEC_SBC_DECODER_CONTEXT *context,
const OI_BYTE **frameData,
OI_UINT32 *frameBytes)
{
#ifdef SBC_ENHANCED
OI_BYTE search1 = OI_SBC_SYNCWORD;
OI_BYTE search2 = OI_SBC_ENHANCED_SYNCWORD;
#endif // SBC_ENHANCED
if (*frameBytes == 0) {
return OI_CODEC_SBC_NOT_ENOUGH_HEADER_DATA;
}
#ifdef SBC_ENHANCED
if (context->limitFrameFormat && context->enhancedEnabled){
/* If the context is restricted, only search for specified SYNCWORD */
search1 = search2;
} else if (context->enhancedEnabled == FALSE) {
/* If enhanced is not enabled, only search for classic SBC SYNCWORD*/
search2 = search1;
}
while (*frameBytes && (**frameData != search1) && (**frameData != search2)) {
(*frameBytes)--;
(*frameData)++;
}
if (*frameBytes) {
/* Syncword found, *frameData points to it, and *frameBytes correctly
* reflects the number of bytes available to read, including the
* syncword. */
context->common.frameInfo.enhanced = (**frameData == OI_SBC_ENHANCED_SYNCWORD);
return OI_OK;
} else {
/* No syncword was found anywhere in the provided input data.
* *frameData points past the end of the original input, and
* *frameBytes is 0. */
return OI_CODEC_SBC_NO_SYNCWORD;
}
#else // SBC_ENHANCED
/* BK4BTSTACK_CHANGE START */
OI_UINT8 syncword = OI_SBC_SYNCWORD;
if (context->common.frameInfo.mSBCEnabled){
syncword = OI_mSBC_SYNCWORD;
}
/* BK4BTSTACK_CHANGE END */
while (*frameBytes && (**frameData != syncword)) {
(*frameBytes)--;
(*frameData)++;
}
if (*frameBytes) {
/* Syncword found, *frameData points to it, and *frameBytes correctly
* reflects the number of bytes available to read, including the
* syncword. */
context->common.frameInfo.enhanced = FALSE;
return OI_OK;
} else {
/* No syncword was found anywhere in the provided input data.
* *frameData points past the end of the original input, and
* *frameBytes is 0. */
return OI_CODEC_SBC_NO_SYNCWORD;
}
#endif // SBC_ENHANCED
}
static OI_STATUS DecodeBody(OI_CODEC_SBC_DECODER_CONTEXT *context,
const OI_BYTE *bodyData,
OI_INT16 *pcmData,
OI_UINT32 *pcmBytes,
OI_BOOL allowPartial)
{
OI_BITSTREAM bs;
OI_UINT frameSamples = context->common.frameInfo.nrof_blocks * context->common.frameInfo.nrof_subbands;
OI_UINT decode_block_count;
/*
* Based on the header data, make sure that there is enough room to write the output samples.
*/
if ((*pcmBytes < (sizeof(OI_INT16) * frameSamples * context->common.pcmStride)) && !allowPartial) {
/* If we're not allowing partial decodes, we need room for the entire
* codec frame */
TRACE(("-OI_CODEC_SBC_Decode: OI_CODEC_SBC_NOT_ENOUGH_AUDIO_DATA"));
return OI_CODEC_SBC_NOT_ENOUGH_AUDIO_DATA;
} else if (*pcmBytes < (sizeof (OI_INT16) * context->common.frameInfo.nrof_subbands * context->common.pcmStride)) {
/* Even if we're allowing partials, we can still only decode on a frame
* boundary */
return OI_CODEC_SBC_NOT_ENOUGH_AUDIO_DATA;
}
if (context->bufferedBlocks == 0) {
TRACE(("Reading scalefactors"));
OI_SBC_ReadScalefactors(&context->common, bodyData, &bs);
TRACE(("Computing bit allocation"));
OI_SBC_ComputeBitAllocation(&context->common);
TRACE(("Reading samples"));
if (context->common.frameInfo.mode == SBC_JOINT_STEREO) {
OI_SBC_ReadSamplesJoint(context, &bs);
} else {
OI_SBC_ReadSamples(context, &bs);
}
context->bufferedBlocks = context->common.frameInfo.nrof_blocks;
}
if (allowPartial) {
decode_block_count = *pcmBytes / sizeof(OI_INT16) / context->common.pcmStride / context->common.frameInfo.nrof_subbands;
if (decode_block_count > context->bufferedBlocks) {
decode_block_count = context->bufferedBlocks;
}
} else {
decode_block_count = context->common.frameInfo.nrof_blocks;
}
TRACE(("Synthesizing frame"));
{
OI_UINT start_block = context->common.frameInfo.nrof_blocks - context->bufferedBlocks;
OI_SBC_SynthFrame(context, pcmData, start_block, decode_block_count);
}
OI_ASSERT(context->bufferedBlocks >= decode_block_count);
context->bufferedBlocks -= decode_block_count;
frameSamples = decode_block_count * context->common.frameInfo.nrof_subbands;
/*
* When decoding mono into a stride-2 array, copy pcm data to second channel
*/
if ((context->common.frameInfo.nrof_channels == 1) && (context->common.pcmStride == 2)) {
OI_UINT i;
for (i = 0; i < frameSamples; ++i) {
pcmData[(2*i)+1] = pcmData[2*i];
}
}
/*
* Return number of pcm bytes generated by the decode operation.
*/
*pcmBytes = frameSamples * sizeof(OI_INT16) * context->common.pcmStride;
if (context->bufferedBlocks > 0) {
return OI_CODEC_SBC_PARTIAL_DECODE;
} else {
return OI_OK;
}
}
PRIVATE OI_STATUS internal_DecodeRaw(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_UINT8 bitpool,
const OI_BYTE **frameData,
OI_UINT32 *frameBytes,
OI_INT16 *pcmData,
OI_UINT32 *pcmBytes)
{
OI_STATUS status;
OI_UINT bodyLen;
TRACE(("+OI_CODEC_SBC_DecodeRaw"));
if (context->bufferedBlocks == 0) {
/*
* The bitallocator needs to know the bitpool value.
*/
context->common.frameInfo.bitpool = bitpool;
/*
* Compute the frame length and check we have enough frame data to proceed
*/
bodyLen = OI_CODEC_SBC_CalculateFramelen(&context->common.frameInfo) - SBC_HEADER_LEN;
if (*frameBytes < bodyLen) {
TRACE(("-OI_CODEC_SBC_Decode: OI_CODEC_SBC_NOT_ENOUGH_BODY_DATA"));
return OI_CODEC_SBC_NOT_ENOUGH_BODY_DATA;
}
} else {
bodyLen = 0;
}
/*
* Decode the SBC data. Pass TRUE to DecodeBody to allow partial decoding of
* tones.
*/
status = DecodeBody(context, *frameData, pcmData, pcmBytes, TRUE);
if (OI_SUCCESS(status) || (status == OI_CODEC_SBC_PARTIAL_DECODE)) {
*frameData += bodyLen;
*frameBytes -= bodyLen;
}
TRACE(("-OI_CODEC_SBC_DecodeRaw: %d", status));
return status;
}
OI_STATUS OI_CODEC_SBC_DecoderReset(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_UINT32 *decoderData,
OI_UINT32 decoderDataBytes,
OI_UINT8 maxChannels,
OI_UINT8 pcmStride,
OI_BOOL enhanced)
{
return internal_DecoderReset(context, decoderData, decoderDataBytes, maxChannels, pcmStride, enhanced);
}
/* BK4BTSTACK_CHANGE START */
OI_STATUS OI_CODEC_mSBC_DecoderReset(OI_CODEC_SBC_DECODER_CONTEXT *context,
OI_UINT32 *decoderData,
OI_UINT32 decoderDataBytes)
{
OI_STATUS status = OI_CODEC_SBC_DecoderReset(context, decoderData, decoderDataBytes, 1, 1, FALSE);
context->common.frameInfo.mSBCEnabled = TRUE;
return status;
}
/* BK4BTSTACK_CHANGE END */
OI_STATUS OI_CODEC_SBC_DecodeFrame(OI_CODEC_SBC_DECODER_CONTEXT *context,
const OI_BYTE **frameData,
OI_UINT32 *frameBytes,
OI_INT16 *pcmData,
OI_UINT32 *pcmBytes)
{
OI_STATUS status;
OI_UINT framelen;
OI_UINT8 crc;
TRACE(("+OI_CODEC_SBC_DecodeFrame"));
TRACE(("Finding syncword"));
status = FindSyncword(context, frameData, frameBytes);
if (!OI_SUCCESS(status)) {
return status;
}
/* Make sure enough data remains to read the header. */
if (*frameBytes < SBC_HEADER_LEN) {
TRACE(("-OI_CODEC_SBC_DecodeFrame: OI_CODEC_SBC_NOT_ENOUGH_HEADER_DATA"));
return OI_CODEC_SBC_NOT_ENOUGH_HEADER_DATA;
}
TRACE(("Reading Header"));
if (context->common.frameInfo.mSBCEnabled){
OI_SBC_ReadHeader_mSBC(&context->common, *frameData);
} else {
OI_SBC_ReadHeader(&context->common, *frameData);
}
/*
* Some implementations load the decoder into RAM and use overlays for 4 vs 8 subbands. We need
* to ensure that the SBC parameters for this frame are compatible with the restrictions imposed
* by the loaded overlays.
*/
if (context->limitFrameFormat && (context->common.frameInfo.subbands != context->restrictSubbands)) {
ERROR(("SBC parameters incompatible with loaded overlay"));
return OI_STATUS_INVALID_PARAMETERS;
}
TRACE(("Frame: "));
if (context->common.frameInfo.nrof_channels > context->common.maxChannels) {
ERROR(("SBC parameters incompatible with number of channels specified during reset"));
return OI_STATUS_INVALID_PARAMETERS;
}
if ((context->common.pcmStride < 1) || (context->common.pcmStride > 2)) {
ERROR(("PCM stride not set correctly during reset"));
return OI_STATUS_INVALID_PARAMETERS;
}
/*
* At this point a header has been read. However, it's possible that we found a false syncword,
* so the header data might be invalid. Make sure we have enough bytes to read in the
* CRC-protected header, but don't require we have the whole frame. That way, if it turns out
* that we're acting on bogus header data, we don't stall the decoding process by waiting for
* data that we don't actually need.
*/
framelen = OI_CODEC_SBC_CalculateFramelen(&context->common.frameInfo);
if (*frameBytes < framelen) {
TRACE(("-OI_CODEC_SBC_DecodeFrame: OI_CODEC_SBC_NOT_ENOUGH_BODY_DATA"));
return OI_CODEC_SBC_NOT_ENOUGH_BODY_DATA;
}
TRACE(("frame len %d\n", framelen));
TRACE(("Calculating checksum"));
if (context->common.frameInfo.mSBCEnabled){
crc = OI_SBC_CalculateChecksum_mSBC(&context->common.frameInfo, *frameData);
} else {
crc = OI_SBC_CalculateChecksum(&context->common.frameInfo, *frameData);
}
if (crc != context->common.frameInfo.crc) {
TRACE(("CRC Mismatch: calc=%02x read=%02x\n", crc, context->common.frameInfo.crc));
TRACE(("-OI_CODEC_SBC_DecodeFrame: OI_CODEC_SBC_CHECKSUM_MISMATCH"));
return OI_CODEC_SBC_CHECKSUM_MISMATCH;
}
#ifdef OI_DEBUG
/*
* Make sure the bitpool values are sane.
*/
if ((context->common.frameInfo.bitpool < SBC_MIN_BITPOOL) && !context->common.frameInfo.enhanced) {
ERROR(("Bitpool too small: %d (must be >= 2)", context->common.frameInfo.bitpool));
return OI_STATUS_INVALID_PARAMETERS;
}
if (context->common.frameInfo.bitpool > OI_SBC_MaxBitpool(&context->common.frameInfo)) {
ERROR(("Bitpool too large: %d (must be <= %ld)", context->common.frameInfo.bitpool, OI_SBC_MaxBitpool(&context->common.frameInfo)));
return OI_STATUS_INVALID_PARAMETERS;
}
#endif
/*
* Now decode the SBC data. Partial decode is not yet implemented for an SBC
* stream, so pass FALSE to decode body to have it enforce the old rule that
* you have to decode a whole packet at a time.
*/
status = DecodeBody(context, *frameData + SBC_HEADER_LEN, pcmData, pcmBytes, FALSE);
if (OI_SUCCESS(status)) {
*frameData += framelen;
*frameBytes -= framelen;
}
TRACE(("-OI_CODEC_SBC_DecodeFrame: %d", status));
return status;
}
OI_STATUS OI_CODEC_SBC_SkipFrame(OI_CODEC_SBC_DECODER_CONTEXT *context,
const OI_BYTE **frameData,
OI_UINT32 *frameBytes)
{
OI_STATUS status;
OI_UINT framelen;
OI_UINT headerlen;
OI_UINT8 crc;
status = FindSyncword(context, frameData, frameBytes);
if (!OI_SUCCESS(status)) {
return status;
}
if (*frameBytes < SBC_HEADER_LEN) {
return OI_CODEC_SBC_NOT_ENOUGH_HEADER_DATA;
}
OI_SBC_ReadHeader(&context->common, *frameData);
framelen = OI_SBC_CalculateFrameAndHeaderlen(&context->common.frameInfo, &headerlen);
if (*frameBytes < headerlen) {
return OI_CODEC_SBC_NOT_ENOUGH_HEADER_DATA;
}
crc = OI_SBC_CalculateChecksum(&context->common.frameInfo, *frameData);
if (crc != context->common.frameInfo.crc) {
return OI_CODEC_SBC_CHECKSUM_MISMATCH;
}
if (*frameBytes < framelen) {
return OI_CODEC_SBC_NOT_ENOUGH_BODY_DATA;
}
context->bufferedBlocks = 0;
*frameData += framelen;
*frameBytes -= framelen;
return OI_OK;
}
OI_UINT8 OI_CODEC_SBC_FrameCount(OI_BYTE *frameData,
OI_UINT32 frameBytes)
{
OI_UINT8 mode;
OI_UINT8 blocks;
OI_UINT8 subbands;
OI_UINT8 frameCount = 0;
OI_UINT frameLen;
while (frameBytes){
while (frameBytes && ((frameData[0] & 0xFE) != 0x9C)){
frameData++;
frameBytes--;
}
if (frameBytes < SBC_HEADER_LEN) {
return frameCount;
}
/* Extract and translate required fields from Header */
subbands = mode = blocks = frameData[1];;
mode = (mode & (BIT3 | BIT2)) >> 2;
blocks = block_values[(blocks & (BIT5 | BIT4)) >> 4];
subbands = band_values[(subbands & BIT0)];
/* Inline logic to avoid corrupting context */
frameLen = blocks * frameData[2];
switch (mode){
case SBC_JOINT_STEREO:
frameLen += subbands + (8 * subbands);
break;
case SBC_DUAL_CHANNEL:
frameLen *= 2;
/* fall through */
default:
if (mode == SBC_MONO){
frameLen += 4*subbands;
} else {
frameLen += 8*subbands;
}
}
frameCount++;
frameLen = SBC_HEADER_LEN + ((frameLen + 7) / 8);
if (frameBytes > frameLen){
frameBytes -= frameLen;
frameData += frameLen;
} else {
frameBytes = 0;
}
}
return frameCount;
}
/** Read quantized subband samples from the input bitstream and expand them. */
#ifdef SPECIALIZE_READ_SAMPLES_JOINT
PRIVATE void OI_SBC_ReadSamplesJoint4(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_BITSTREAM *global_bs);
PRIVATE void OI_SBC_ReadSamplesJoint4(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_BITSTREAM *global_bs)
{
#define NROF_SUBBANDS 4
#include "readsamplesjoint.inc"
#undef NROF_SUBBANDS
}
PRIVATE void OI_SBC_ReadSamplesJoint8(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_BITSTREAM *global_bs);
PRIVATE void OI_SBC_ReadSamplesJoint8(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_BITSTREAM *global_bs)
{
#define NROF_SUBBANDS 8
#include "readsamplesjoint.inc"
#undef NROF_SUBBANDS
}
typedef void (*READ_SAMPLES)(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_BITSTREAM *global_bs);
static const READ_SAMPLES SpecializedReadSamples[] = {
OI_SBC_ReadSamplesJoint4,
OI_SBC_ReadSamplesJoint8
};
#endif /* SPECIALIZE_READ_SAMPLES_JOINT */
PRIVATE void OI_SBC_ReadSamplesJoint(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_BITSTREAM *global_bs)
{
OI_CODEC_SBC_COMMON_CONTEXT *common = &context->common;
OI_UINT nrof_subbands = common->frameInfo.nrof_subbands;
#ifdef SPECIALIZE_READ_SAMPLES_JOINT
OI_ASSERT((nrof_subbands >> 3u) <= 1u);
SpecializedReadSamples[nrof_subbands >> 3](context, global_bs);
#else
#define NROF_SUBBANDS nrof_subbands
#include "readsamplesjoint.inc"
#undef NROF_SUBBANDS
#endif /* SPECIALIZE_READ_SAMPLES_JOINT */
}
/**@}*/

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@ -0,0 +1,211 @@
/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/**
@file
Dequantizer for SBC decoder; reconstructs quantized representation of subband samples.
@ingroup codec_internal
*/
/**
@addtogroup codec_internal
@{
*/
/**
This function is a fixed-point approximation of a modification of the following
dequantization operation defined in the spec, as inferred from section 12.6.4:
@code
dequant = 2^(scale_factor+1) * ((raw * 2.0 + 1.0) / ((2^bits) - 1) - 1)
2 <= bits <= 16
0 <= raw < (2^bits)-1 (the -1 is because quantized values with all 1's are forbidden)
-65535 < dequant < 65535
@endcode
The code below computes the dequantized value divided by a scaling constant
equal to about 1.38. This constant is chosen to ensure that the entry in the
dequant_long_scaled table for 16 bits is as accurate as possible, since it has
the least relative precision available to it due to its small magnitude.
This routine outputs in Q16.15 format.
The helper array dequant_long is defined as follows:
@code
dequant_long_long[bits] = round(2^31 * 1/((2^bits - 1) / 1.38...) for 2 <= bits <= 16
@endcode
Additionally, the table entries have the following property:
@code
dequant_long_scaled[bits] <= 2^31 / ((2^bits - 1)) for 2 <= bits <= 16
@endcode
Therefore
@code
d = 2 * raw + 1 1 <= d <= 2^bits - 2
d' = d * dequant_long[bits]
d * dequant_long_scaled[bits] <= (2^bits - 2) * (2^31 / (2^bits - 1))
d * dequant_long_scaled[bits] <= 2^31 * (2^bits - 2)/(2^bits - 1) < 2^31
@endcode
Therefore, d' doesn't overflow a signed 32-bit value.
@code
d' =~ 2^31 * (raw * 2.0 + 1.0) / (2^bits - 1) / 1.38...
result = d' - 2^31/1.38... =~ 2^31 * ((raw * 2.0 + 1.0) / (2^bits - 1) - 1) / 1.38...
result is therefore a scaled approximation to dequant. It remains only to
turn 2^31 into 2^(scale_factor+1). Since we're aiming for Q16.15 format,
this is achieved by shifting right by (15-scale_factor):
(2^31 * x) >> (15-scale_factor) =~ 2^(31-15+scale_factor) * x = 2^15 * 2^(1+scale_factor) * x
@endcode
*/
#include <oi_codec_sbc_private.h>
#ifndef SBC_DEQUANT_LONG_SCALED_OFFSET
#define SBC_DEQUANT_LONG_SCALED_OFFSET 1555931970
#endif
#ifndef SBC_DEQUANT_LONG_UNSCALED_OFFSET
#define SBC_DEQUANT_LONG_UNSCALED_OFFSET 2147483648
#endif
#ifndef SBC_DEQUANT_SCALING_FACTOR
#define SBC_DEQUANT_SCALING_FACTOR 1.38019122262781f
#endif
extern const OI_UINT32 dequant_long_scaled[17];
extern const OI_UINT32 dequant_long_unscaled[17];
/** Scales x by y bits to the right, adding a rounding factor.
*/
#ifndef SCALE
#define SCALE(x, y) (((x) + (1 <<((y)-1))) >> (y))
#endif
#ifdef DEBUG_DEQUANTIZATION
#include <math.h>
INLINE float dequant_float(OI_UINT32 raw, OI_UINT scale_factor, OI_UINT bits)
{
float result = (1 << (scale_factor+1)) * ((raw * 2.0f + 1.0f) / ((1 << bits) - 1.0f) - 1.0f);
result /= SBC_DEQUANT_SCALING_FACTOR;
/* Unless the encoder screwed up, all correct dequantized values should
* satisfy this inequality. Non-compliant encoders which generate quantized
* values with all 1-bits set can, theoretically, trigger this assert. This
* is unlikely, however, and only an issue in debug mode.
*/
OI_ASSERT(fabs(result) < 32768 * 1.6);
return result;
}
#endif
INLINE OI_INT32 OI_SBC_Dequant(OI_UINT32 raw, OI_UINT scale_factor, OI_UINT bits)
{
OI_UINT32 d;
OI_INT32 result;
OI_ASSERT(scale_factor <= 15);
OI_ASSERT(bits <= 16);
if (bits <= 1) {
return 0;
}
d = (raw * 2) + 1;
d *= dequant_long_scaled[bits];
result = d - SBC_DEQUANT_LONG_SCALED_OFFSET;
#ifdef DEBUG_DEQUANTIZATION
{
OI_INT32 integerized_float_result;
float float_result;
float_result = dequant_float(raw, scale_factor, bits);
integerized_float_result = (OI_INT32)floor(0.5f+float_result * (1 << 15));
/* This detects overflow */
OI_ASSERT(((result >= 0) && (integerized_float_result >= 0)) ||
((result <= 0) && (integerized_float_result <= 0)));
}
#endif
return result >> (15 - scale_factor);
}
/* This version of Dequant does not incorporate the scaling factor of 1.38. It
* is intended for use with implementations of the filterbank which are
* hard-coded into a DSP. Output is Q16.4 format, so that after joint stereo
* processing (which leaves the most significant bit equal to the sign bit if
* the encoder is conformant) the result will fit a 24 bit fixed point signed
* value.*/
INLINE OI_INT32 OI_SBC_Dequant_Unscaled(OI_UINT32 raw, OI_UINT scale_factor, OI_UINT bits);
INLINE OI_INT32 OI_SBC_Dequant_Unscaled(OI_UINT32 raw, OI_UINT scale_factor, OI_UINT bits)
{
OI_UINT32 d;
OI_INT32 result;
OI_ASSERT(scale_factor <= 15);
OI_ASSERT(bits <= 16);
if (bits <= 1) {
return 0;
}
if (bits == 16) {
result = (raw << 16) + raw - 0x7fff7fff;
return SCALE(result, 24 - scale_factor);
}
d = (raw * 2) + 1;
d *= dequant_long_unscaled[bits];
result = d - 0x80000000;
return SCALE(result, 24 - scale_factor);
}
/**
@}
*/

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/** @file
@ingroup codec_internal
*/
/**@addgroup codec_internal*/
/**@{*/
#include "oi_codec_sbc_private.h"
const OI_CHAR* const OI_CODEC_SBC_FreqText[] = { "SBC_FREQ_16000", "SBC_FREQ_32000", "SBC_FREQ_44100", "SBC_FREQ_48000" };
const OI_CHAR* const OI_CODEC_SBC_ModeText[] = { "SBC_MONO", "SBC_DUAL_CHANNEL", "SBC_STEREO", "SBC_JOINT_STEREO" };
const OI_CHAR* const OI_CODEC_SBC_SubbandsText[] = { "SBC_SUBBANDS_4", "SBC_SUBBANDS_8" };
const OI_CHAR* const OI_CODEC_SBC_BlocksText[] = { "SBC_BLOCKS_4", "SBC_BLOCKS_8", "SBC_BLOCKS_12", "SBC_BLOCKS_16" };
const OI_CHAR* const OI_CODEC_SBC_AllocText[] = { "SBC_LOUDNESS", "SBC_SNR" };
#ifdef OI_DEBUG
#include <stdio.h>
void OI_CODEC_SBC_DumpConfig(OI_CODEC_SBC_FRAME_INFO *frameInfo)
{
printf("SBC configuration\n");
printf(" enhanced: %s\n", frameInfo->enhanced ? "TRUE" : "FALSE");
printf(" frequency: %d\n", frameInfo->frequency);
printf(" subbands: %d\n", frameInfo->nrof_subbands);
printf(" blocks: %d\n", frameInfo->nrof_blocks);
printf(" channels: %d\n", frameInfo->nrof_channels);
printf(" mode: %s\n", OI_CODEC_SBC_ModeText[frameInfo->mode]);
printf(" alloc: %s\n", OI_CODEC_SBC_AllocText[frameInfo->alloc]);
printf(" bitpool: %d\n", frameInfo->bitpool);
}
#endif /* OI_DEBUG */
/**@}*/

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/**
@file
Checksum and header-related functions.
@ingroup codec_internal
*/
/**
@addtogroup codec_internal
@{
*/
#include "oi_codec_sbc_private.h"
#include "oi_assert.h"
/* asdasd */
#define USE_NIBBLEWISE_CRC
/* #define PRINT_SAMPLES */
/* #define PRINT_SCALEFACTORS */
/* #define DEBUG_CRC */
/*
* CRC-8 table for X^8 + X^4 + X^3 + X^2 + 1; byte-wise lookup
*/
#ifdef USE_WIDE_CRC
/* Save space if a char is 16 bits, such as on the C54x */
const OI_BYTE crc8_wide[128] = {
0x001d, 0x3a27, 0x7469, 0x4e53, 0xe8f5, 0xd2cf, 0x9c81, 0xa6bb, 0xcdd0, 0xf7ea, 0xb9a4, 0x839e, 0x2538, 0x1f02, 0x514c, 0x6b76, 0x879a, 0xbda0, 0xf3ee, 0xc9d4, 0x6f72, 0x5548, 0x1b06, 0x213c, 0x4a57, 0x706d, 0x3e23, 0x0419, 0xa2bf, 0x9885, 0xd6cb, 0xecf1, 0x130e, 0x2934, 0x677a, 0x5d40, 0xfbe6, 0xc1dc, 0x8f92, 0xb5a8, 0xdec3, 0xe4f9, 0xaab7, 0x908d, 0x362b, 0x0c11, 0x425f, 0x7865, 0x9489, 0xaeb3, 0xe0fd, 0xdac7, 0x7c61, 0x465b, 0x0815, 0x322f, 0x5944, 0x637e, 0x2d30, 0x170a, 0xb1ac, 0x8b96, 0xc5d8, 0xffe2, 0x263b, 0x1c01, 0x524f, 0x6875, 0xced3, 0xf4e9, 0xbaa7, 0x809d, 0xebf6, 0xd1cc, 0x9f82, 0xa5b8, 0x031e, 0x3924, 0x776a, 0x4d50, 0xa1bc, 0x9b86, 0xd5c8, 0xeff2, 0x4954, 0x736e, 0x3d20, 0x071a, 0x6c71, 0x564b, 0x1805, 0x223f, 0x8499, 0xbea3, 0xf0ed, 0xcad7, 0x3528, 0x0f12, 0x415c, 0x7b66, 0xddc0, 0xe7fa, 0xa9b4, 0x938e, 0xf8e5, 0xc2df, 0x8c91, 0xb6ab, 0x100d, 0x2a37, 0x6479, 0x5e43, 0xb2af, 0x8895, 0xc6db, 0xfce1, 0x5a47, 0x607d, 0x2e33, 0x1409, 0x7f62, 0x4558, 0x0b16, 0x312c, 0x978a, 0xadb0, 0xe3fe, 0xd9c4,
};
#elif defined(USE_NIBBLEWISE_CRC)
const OI_BYTE crc8_narrow[16] = {
0x00, 0x1d, 0x3a, 0x27, 0x74, 0x69, 0x4e, 0x53, 0xe8, 0xf5, 0xd2, 0xcf, 0x9c, 0x81, 0xa6, 0xbb
};
#else
const OI_BYTE crc8_narrow[256] = {
0x00, 0x1d, 0x3a, 0x27, 0x74, 0x69, 0x4e, 0x53, 0xe8, 0xf5, 0xd2, 0xcf, 0x9c, 0x81, 0xa6, 0xbb, 0xcd, 0xd0, 0xf7, 0xea, 0xb9, 0xa4, 0x83, 0x9e, 0x25, 0x38, 0x1f, 0x02, 0x51, 0x4c, 0x6b, 0x76, 0x87, 0x9a, 0xbd, 0xa0, 0xf3, 0xee, 0xc9, 0xd4, 0x6f, 0x72, 0x55, 0x48, 0x1b, 0x06, 0x21, 0x3c, 0x4a, 0x57, 0x70, 0x6d, 0x3e, 0x23, 0x04, 0x19, 0xa2, 0xbf, 0x98, 0x85, 0xd6, 0xcb, 0xec, 0xf1, 0x13, 0x0e, 0x29, 0x34, 0x67, 0x7a, 0x5d, 0x40, 0xfb, 0xe6, 0xc1, 0xdc, 0x8f, 0x92, 0xb5, 0xa8, 0xde, 0xc3, 0xe4, 0xf9, 0xaa, 0xb7, 0x90, 0x8d, 0x36, 0x2b, 0x0c, 0x11, 0x42, 0x5f, 0x78, 0x65, 0x94, 0x89, 0xae, 0xb3, 0xe0, 0xfd, 0xda, 0xc7, 0x7c, 0x61, 0x46, 0x5b, 0x08, 0x15, 0x32, 0x2f, 0x59, 0x44, 0x63, 0x7e, 0x2d, 0x30, 0x17, 0x0a, 0xb1, 0xac, 0x8b, 0x96, 0xc5, 0xd8, 0xff, 0xe2, 0x26, 0x3b, 0x1c, 0x01, 0x52, 0x4f, 0x68, 0x75, 0xce, 0xd3, 0xf4, 0xe9, 0xba, 0xa7, 0x80, 0x9d, 0xeb, 0xf6, 0xd1, 0xcc, 0x9f, 0x82, 0xa5, 0xb8, 0x03, 0x1e, 0x39, 0x24, 0x77, 0x6a, 0x4d, 0x50, 0xa1, 0xbc, 0x9b, 0x86, 0xd5, 0xc8, 0xef, 0xf2, 0x49, 0x54, 0x73, 0x6e, 0x3d, 0x20, 0x07, 0x1a, 0x6c, 0x71, 0x56, 0x4b, 0x18, 0x05, 0x22, 0x3f, 0x84, 0x99, 0xbe, 0xa3, 0xf0, 0xed, 0xca, 0xd7, 0x35, 0x28, 0x0f, 0x12, 0x41, 0x5c, 0x7b, 0x66, 0xdd, 0xc0, 0xe7, 0xfa, 0xa9, 0xb4, 0x93, 0x8e, 0xf8, 0xe5, 0xc2, 0xdf, 0x8c, 0x91, 0xb6, 0xab, 0x10, 0x0d, 0x2a, 0x37, 0x64, 0x79, 0x5e, 0x43, 0xb2, 0xaf, 0x88, 0x95, 0xc6, 0xdb, 0xfc, 0xe1, 0x5a, 0x47, 0x60, 0x7d, 0x2e, 0x33, 0x14, 0x09, 0x7f, 0x62, 0x45, 0x58, 0x0b, 0x16, 0x31, 0x2c, 0x97, 0x8a, 0xad, 0xb0, 0xe3, 0xfe, 0xd9, 0xc4
};
#endif
const OI_UINT32 dequant_long_scaled[17] = {
0,
0,
0x1ee9e116, /* bits=2 0.24151243 1/3 * (1/1.38019122262781) (0x00000008)*/
0x0d3fa99c, /* bits=3 0.10350533 1/7 * (1/1.38019122262781) (0x00000013)*/
0x062ec69e, /* bits=4 0.04830249 1/15 * (1/1.38019122262781) (0x00000029)*/
0x02fddbfa, /* bits=5 0.02337217 1/31 * (1/1.38019122262781) (0x00000055)*/
0x0178d9f5, /* bits=6 0.01150059 1/63 * (1/1.38019122262781) (0x000000ad)*/
0x00baf129, /* bits=7 0.00570502 1/127 * (1/1.38019122262781) (0x0000015e)*/
0x005d1abe, /* bits=8 0.00284132 1/255 * (1/1.38019122262781) (0x000002bf)*/
0x002e760d, /* bits=9 0.00141788 1/511 * (1/1.38019122262781) (0x00000582)*/
0x00173536, /* bits=10 0.00070825 1/1023 * (1/1.38019122262781) (0x00000b07)*/
0x000b9928, /* bits=11 0.00035395 1/2047 * (1/1.38019122262781) (0x00001612)*/
0x0005cc37, /* bits=12 0.00017693 1/4095 * (1/1.38019122262781) (0x00002c27)*/
0x0002e604, /* bits=13 0.00008846 1/8191 * (1/1.38019122262781) (0x00005852)*/
0x000172fc, /* bits=14 0.00004422 1/16383 * (1/1.38019122262781) (0x0000b0a7)*/
0x0000b97d, /* bits=15 0.00002211 1/32767 * (1/1.38019122262781) (0x00016150)*/
0x00005cbe, /* bits=16 0.00001106 1/65535 * (1/1.38019122262781) (0x0002c2a5)*/
};
const OI_UINT32 dequant_long_unscaled[17] = {
0,
0,
0x2aaaaaab, /* bits=2 0.33333333 1/3 (0x00000005)*/
0x12492492, /* bits=3 0.14285714 1/7 (0x0000000e)*/
0x08888889, /* bits=4 0.06666667 1/15 (0x0000001d)*/
0x04210842, /* bits=5 0.03225806 1/31 (0x0000003e)*/
0x02082082, /* bits=6 0.01587302 1/63 (0x0000007e)*/
0x01020408, /* bits=7 0.00787402 1/127 (0x000000fe)*/
0x00808081, /* bits=8 0.00392157 1/255 (0x000001fd)*/
0x00402010, /* bits=9 0.00195695 1/511 (0x000003fe)*/
0x00200802, /* bits=10 0.00097752 1/1023 (0x000007fe)*/
0x00100200, /* bits=11 0.00048852 1/2047 (0x00000ffe)*/
0x00080080, /* bits=12 0.00024420 1/4095 (0x00001ffe)*/
0x00040020, /* bits=13 0.00012209 1/8191 (0x00003ffe)*/
0x00020008, /* bits=14 0.00006104 1/16383 (0x00007ffe)*/
0x00010002, /* bits=15 0.00003052 1/32767 (0x0000fffe)*/
0x00008001, /* bits=16 0.00001526 1/65535 (0x0001fffc)*/
};
#if defined(OI_DEBUG) || defined(PRINT_SAMPLES) || defined(PRINT_SCALEFACTORS)
#include <stdio.h>
#endif
#ifdef USE_WIDE_CRC
INLINE OI_CHAR crc_iterate(OI_UINT8 oldcrc, OI_UINT8 next);
INLINE OI_CHAR crc_iterate(OI_UINT8 oldcrc, OI_UINT8 next)
{
OI_UINT crc;
OI_UINT idx;
idx = oldcrc^next;
crc = crc8_wide[idx >> 1];
if (idx%2) {
crc &= 0xff;
} else {
crc >>= 8;
}
return crc;
}
INLINE OI_CHAR crc_iterate_top4(OI_UINT8 oldcrc, OI_UINT8 next);
INLINE OI_CHAR crc_iterate_top4(OI_UINT8 oldcrc, OI_UINT8 next)
{
OI_UINT crc;
OI_UINT idx;
idx = (oldcrc ^ next) >> 4;
crc = crc8_wide[idx>>1];
if (idx%2) {
crc &= 0xff;
} else {
crc >>= 8;
}
return (oldcrc << 4) ^ crc;
}
#else // USE_WIDE_CRC
INLINE OI_UINT8 crc_iterate_top4(OI_UINT8 oldcrc, OI_UINT8 next);
INLINE OI_UINT8 crc_iterate_top4(OI_UINT8 oldcrc, OI_UINT8 next)
{
return (oldcrc << 4) ^ crc8_narrow[(oldcrc^next) >> 4];
}
#ifdef USE_NIBBLEWISE_CRC
INLINE OI_UINT8 crc_iterate(OI_UINT8 crc, OI_UINT8 next);
INLINE OI_UINT8 crc_iterate(OI_UINT8 crc, OI_UINT8 next)
{
crc = (crc << 4) ^ crc8_narrow[(crc^next) >> 4];
crc = (crc << 4) ^ crc8_narrow[((crc>>4)^next)&0xf];
return crc;
}
#else // USE_NIBBLEWISE_CRC
INLINE OI_UINT8 crc_iterate(OI_UINT8 crc, OI_UINT8 next);
INLINE OI_UINT8 crc_iterate(OI_UINT8 crc, OI_UINT8 next)
{
return crc8_narrow[crc^next];
}
#endif // USE_NIBBLEWISE_CRC
#endif // USE_WIDE_CRC
PRIVATE OI_UINT8 OI_SBC_CalculateChecksum_mSBC(OI_CODEC_SBC_FRAME_INFO *frame, OI_BYTE const *data)
{
OI_UINT i;
OI_UINT8 crc = 0x0f;
/* Count is the number of whole bytes subject to CRC. Actually, it's one
* more than this number, because data[3] is the CRC field itself, which is
* explicitly skipped. Since crc_iterate (should be) inlined, it's cheaper
* spacewise to include the check in the loop. This shouldn't be much of a
* bottleneck routine in the first place. */
// 0 - syncword (skip)
// 1 - reserved
crc = crc_iterate(crc,frame->reserved_for_future_use[0]);
// 2 - reserved
crc = crc_iterate(crc,frame->reserved_for_future_use[1]);
// 3 - crc (skip)
// 4..7 - scale factors (8 x 4 bit = 4 byte)
for (i = 0; i < 4; i++) {
crc = crc_iterate(crc,data[4+i]);
}
return crc;
}
PRIVATE OI_UINT8 OI_SBC_CalculateChecksum(OI_CODEC_SBC_FRAME_INFO *frame, OI_BYTE const *data)
{
OI_UINT i;
OI_UINT8 crc = 0x0f;
/* Count is the number of whole bytes subject to CRC. Actually, it's one
* more than this number, because data[3] is the CRC field itself, which is
* explicitly skipped. Since crc_iterate (should be) inlined, it's cheaper
* spacewise to include the check in the loop. This shouldn't be much of a
* bottleneck routine in the first place. */
OI_UINT count = (frame->nrof_subbands * frame->nrof_channels / 2u) + 4;
if ((frame->mode == SBC_JOINT_STEREO) && (frame->nrof_subbands == 8)) {
count++;
}
for (i = 1; i < count; i++) {
if (i != 3) {
crc = crc_iterate(crc,data[i]);
}
}
if ((frame->mode == SBC_JOINT_STEREO) && (frame->nrof_subbands == 4)) {
crc = crc_iterate_top4(crc, data[i]);
}
return crc;
}
void OI_SBC_ExpandFrameFields(OI_CODEC_SBC_FRAME_INFO *frame)
{
frame->nrof_blocks = block_values[frame->blocks];
frame->nrof_subbands = band_values[frame->subbands];
frame->frequency = freq_values[frame->freqIndex];
frame->nrof_channels = channel_values[frame->mode];
}
/**
* Unrolled macro to copy 4 32-bit aligned 32-bit values backward in memory
*/
#define COPY4WORDS_BACK(_dest, _src) \
do { \
OI_INT32 _a, _b, _c, _d; \
_a = *--_src; \
_b = *--_src; \
_c = *--_src; \
_d = *--_src; \
*--_dest = _a; \
*--_dest = _b; \
*--_dest = _c; \
*--_dest = _d; \
} while (0)
#if defined(USE_PLATFORM_MEMMOVE) || defined(USE_PLATFORM_MEMCPY)
#include <string.h>
#endif
PRIVATE void shift_buffer(SBC_BUFFER_T *dest, SBC_BUFFER_T *src, OI_UINT wordCount)
{
#ifdef USE_PLATFORM_MEMMOVE
memmove(dest, src, wordCount * sizeof(SBC_BUFFER_T));
#elif defined(USE_PLATFORM_MEMCPY)
OI_ASSERT(((OI_CHAR *)(dest) - (OI_CHAR *)(src)) >= wordCount*sizeof(*dest));
memcpy(dest, src, wordCount * sizeof(SBC_BUFFER_T));
#else
OI_UINT n;
OI_INT32 *d;
OI_INT32 *s;
n = wordCount / 4 / (sizeof(OI_INT32)/sizeof(*dest));
OI_ASSERT((n * 4 * (sizeof(OI_INT32)/sizeof(*dest))) == wordCount);
d = (OI_INT32*)(dest + wordCount);
s = (OI_INT32*)(src + wordCount);
do {
COPY4WORDS_BACK(d, s);
} while (--n);
#endif
}
/**
@}
*/

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2002 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**
@file
This file contains a single function, which returns a string indicating the
version number of the eSBC codec
@ingroup codec_internal
*/
/**
@addtogroup codec_internal
@{
*/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
#include "oi_stddefs.h"
#include "oi_codec_sbc_private.h"
/** Version string for the BLUEmagic 3.0 protocol stack and profiles */
PRIVATE const OI_CHAR * codecVersion = "v1.5"
#ifdef OI_SBC_EVAL
" (Evaluation version)"
#endif
;
/** This function returns the version string for the BLUEmagic 3.0 protocol stack
and profiles */
const OI_CHAR *OI_CODEC_Version(void) {
return codecVersion;
}
/**********************************************************************************/
/**
@}
*/

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/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/*******************************************************************************
* @file readsamplesjoint.inc
*
* This is the body of the generic version of OI_SBC_ReadSamplesJoint().
* It is designed to be \#included into a function as follows:
\code
void OI_SBC_ReadSamplesJoint4(OI_CODEC_SBC_COMMON_CONTEXT *common, OI_BITSTREAM *global_bs)
{
#define NROF_SUBBANDS 4
#include "readsamplesjoint.inc"
#undef NROF_SUBBANDS
}
void OI_SBC_ReadSamplesJoint8(OI_CODEC_SBC_COMMON_CONTEXT *common, OI_BITSTREAM *global_bs)
{
#define NROF_SUBBANDS 8
#include "readsamplesjoint.inc"
#undef NROF_SUBBANDS
}
\endcode
* Or to make a generic version:
\code
void OI_SBC_ReadSamplesJoint(OI_CODEC_SBC_COMMON_CONTEXT *common, OI_BITSTREAM *global_bs)
{
OI_UINT nrof_subbands = common->frameInfo.nrof_subbands;
#define NROF_SUBBANDS nrof_subbands
#include "readsamplesjoint.inc"
#undef NROF_SUBBANDS
}
\endcode
* @ingroup codec_internal
*******************************************************************************/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
{
OI_CODEC_SBC_COMMON_CONTEXT *common = &context->common;
OI_UINT bl = common->frameInfo.nrof_blocks;
OI_INT32 * RESTRICT s = common->subdata;
OI_UINT8 *ptr = global_bs->ptr.w;
OI_UINT32 value = global_bs->value;
OI_UINT bitPtr = global_bs->bitPtr;
OI_UINT8 jmask = common->frameInfo.join << (8 - NROF_SUBBANDS);
do {
OI_INT8 *sf_array = &common->scale_factor[0];
OI_UINT8 *bits_array = &common->bits.uint8[0];
OI_UINT8 joint = jmask;
OI_UINT sb;
/*
* Left channel
*/
sb = NROF_SUBBANDS;
do {
OI_UINT32 raw;
OI_INT32 dequant;
OI_UINT8 bits = *bits_array++;
OI_INT sf = *sf_array++;
OI_BITSTREAM_READUINT(raw, bits, ptr, value, bitPtr);
dequant = OI_SBC_Dequant(raw, sf, bits);
*s++ = dequant;
} while (--sb);
/*
* Right channel
*/
sb = NROF_SUBBANDS;
do {
OI_UINT32 raw;
OI_INT32 dequant;
OI_UINT8 bits = *bits_array++;
OI_INT sf = *sf_array++;
OI_BITSTREAM_READUINT(raw, bits, ptr, value, bitPtr);
dequant = OI_SBC_Dequant(raw, sf, bits);
/*
* Check if we need to do mid/side
*/
if (joint & 0x80) {
OI_INT32 mid = *(s - NROF_SUBBANDS);
OI_INT32 side = dequant;
*(s - NROF_SUBBANDS) = mid + side;
dequant = mid - side;
}
joint <<= 1;
*s++ = dequant;
} while (--sb);
} while (--bl);
}

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@ -0,0 +1,136 @@
/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**
@file
DO NOT EDIT THIS FILE DIRECTLY
This file is automatically generated by the "synthesis-gen.pl" script.
Any changes to this generated file will be lost when the script is re-run.
These functions are called by functions in synthesis.c to perform the synthesis
filterbank computations for the SBC decoder.
*/
#include <oi_codec_sbc_private.h>
#ifndef CLIP_INT16
#define CLIP_INT16(x) do { if (x > OI_INT16_MAX) { x = OI_INT16_MAX; } else if (x < OI_INT16_MIN) { x = OI_INT16_MIN; } } while (0)
#endif
#define MUL_16S_16S(_x, _y) ((_x) * (_y))
PRIVATE void SynthWindow80_generated(OI_INT16 *pcm, SBC_BUFFER_T const * RESTRICT buffer, OI_UINT strideShift);
PRIVATE void SynthWindow80_generated(OI_INT16 *pcm, SBC_BUFFER_T const * RESTRICT buffer, OI_UINT strideShift)
{
OI_INT32 pcm_a, pcm_b;
/* 1 - stage 0 */ pcm_b = 0;
/* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(8235, buffer[ 12]))>> 3;
/* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(-23167, buffer[ 20]))>> 3;
/* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(26479, buffer[ 28]))>> 2;
/* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(-17397, buffer[ 36]))<< 1;
/* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(9399, buffer[ 44]))<< 3;
/* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(17397, buffer[ 52]))<< 1;
/* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(26479, buffer[ 60]))>> 2;
/* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(23167, buffer[ 68]))>> 3;
/* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(8235, buffer[ 76]))>> 3;
/* 1 - stage 0 */ pcm_b /= 32768; CLIP_INT16(pcm_b); pcm[0<<strideShift] = (OI_INT16)pcm_b;
/* 1 - stage 1 */ pcm_a = 0;
/* 1 - stage 1 */ pcm_b = 0;
/* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(-3263, buffer[ 5]))>> 5;
/* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(9293, buffer[ 5]))>> 3;
/* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(29293, buffer[ 11]))>> 5;
/* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(-6087, buffer[ 11]))>> 2;
/* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(-5229, buffer[ 21]));
/* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(1247, buffer[ 21]))<< 3;
/* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(30835, buffer[ 27]))>> 3;
/* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(-2893, buffer[ 27]))<< 3;
/* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(-27021, buffer[ 37]))<< 1;
/* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(23671, buffer[ 37]))<< 2;
/* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(31633, buffer[ 43]))<< 1;
/* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(18055, buffer[ 43]))<< 1;
/* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(17319, buffer[ 53]))<< 1;
/* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(11537, buffer[ 53]))>> 1;
/* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(26663, buffer[ 59]))>> 2;
/* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(1747, buffer[ 59]))<< 1;
/* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(4555, buffer[ 69]))>> 1;
/* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(685, buffer[ 69]))<< 1;
/* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(12419, buffer[ 75]))>> 4;
/* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(8721, buffer[ 75]))>> 7;
/* 1 - stage 1 */ pcm_a /= 32768; CLIP_INT16(pcm_a); pcm[1<<strideShift] = (OI_INT16)pcm_a;
/* 1 - stage 1 */ pcm_b /= 32768; CLIP_INT16(pcm_b); pcm[7<<strideShift] = (OI_INT16)pcm_b;
/* 1 - stage 2 */ pcm_a = 0;
/* 1 - stage 2 */ pcm_b = 0;
/* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(-10385, buffer[ 6]))>> 6;
/* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(11167, buffer[ 6]))>> 4;
/* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(24995, buffer[ 10]))>> 5;
/* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(-10337, buffer[ 10]))>> 4;
/* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(-309, buffer[ 22]))<< 4;
/* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(1917, buffer[ 22]))<< 2;
/* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(9161, buffer[ 26]))>> 3;
/* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(-30605, buffer[ 26]))>> 1;
/* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(-23063, buffer[ 38]))<< 1;
/* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(8317, buffer[ 38]))<< 3;
/* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(27561, buffer[ 42]))<< 1;
/* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(9553, buffer[ 42]))<< 2;
/* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(2309, buffer[ 54]))<< 3;
/* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(22117, buffer[ 54]))>> 4;
/* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(12705, buffer[ 58]))>> 1;
/* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(16383, buffer[ 58]))>> 2;
/* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(6239, buffer[ 70]))>> 3;
/* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(7543, buffer[ 70]))>> 3;
/* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(9251, buffer[ 74]))>> 4;
/* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(8603, buffer[ 74]))>> 6;
/* 1 - stage 2 */ pcm_a /= 32768; CLIP_INT16(pcm_a); pcm[2<<strideShift] = (OI_INT16)pcm_a;
/* 1 - stage 2 */ pcm_b /= 32768; CLIP_INT16(pcm_b); pcm[6<<strideShift] = (OI_INT16)pcm_b;
/* 1 - stage 3 */ pcm_a = 0;
/* 1 - stage 3 */ pcm_b = 0;
/* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(-16457, buffer[ 7]))>> 6;
/* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(16913, buffer[ 7]))>> 5;
/* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(19083, buffer[ 9]))>> 5;
/* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(-8443, buffer[ 9]))>> 7;
/* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(-23641, buffer[ 23]))>> 2;
/* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(3687, buffer[ 23]))<< 1;
/* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(-29015, buffer[ 25]))>> 4;
/* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(-301, buffer[ 25]))<< 5;
/* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(-12889, buffer[ 39]))<< 2;
/* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(15447, buffer[ 39]))<< 2;
/* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(6145, buffer[ 41]))<< 3;
/* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(10255, buffer[ 41]))<< 2;
/* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(24211, buffer[ 55]))>> 1;
/* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(-18233, buffer[ 55]))>> 3;
/* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(23469, buffer[ 57]))>> 2;
/* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(9405, buffer[ 57]))>> 1;
/* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(21223, buffer[ 71]))>> 8;
/* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(1499, buffer[ 71]))>> 1;
/* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(26913, buffer[ 73]))>> 6;
/* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(26189, buffer[ 73]))>> 7;
/* 1 - stage 3 */ pcm_a /= 32768; CLIP_INT16(pcm_a); pcm[3<<strideShift] = (OI_INT16)pcm_a;
/* 1 - stage 3 */ pcm_b /= 32768; CLIP_INT16(pcm_b); pcm[5<<strideShift] = (OI_INT16)pcm_b;
/* 1 - stage 4 */ pcm_a = 0;
/* 1 - stage 4 */ pcm_a +=(MUL_16S_16S(10445, buffer[ 8]))>> 4;
/* 1 - stage 4 */ pcm_a +=(MUL_16S_16S(-5297, buffer[ 24]))<< 1;
/* 1 - stage 4 */ pcm_a +=(MUL_16S_16S(22299, buffer[ 40]))<< 2;
/* 1 - stage 4 */ pcm_a +=(MUL_16S_16S(10603, buffer[ 56]));
/* 1 - stage 4 */ pcm_a +=(MUL_16S_16S(9539, buffer[ 72]))>> 4;
/* 1 - stage 4 */ pcm_a /= 32768; CLIP_INT16(pcm_a); pcm[4<<strideShift] = (OI_INT16)pcm_a;
}

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@ -0,0 +1,307 @@
/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/** @file
@ingroup codec_internal
*/
/**@addgroup codec_internal*/
/**@{*/
/*
* Performs an 8-point Type-II scaled DCT using the Arai-Agui-Nakajima
* factorization. The scaling factors are folded into the windowing
* constants. 29 adds and 5 16x32 multiplies per 8 samples.
*/
#include "oi_codec_sbc_private.h"
#define AAN_C4_FIX (759250125)/* S1.30 759250125 0.707107*/
#define AAN_C6_FIX (410903207)/* S1.30 410903207 0.382683*/
#define AAN_Q0_FIX (581104888)/* S1.30 581104888 0.541196*/
#define AAN_Q1_FIX (1402911301)/* S1.30 1402911301 1.306563*/
/** Scales x by y bits to the right, adding a rounding factor.
*/
#ifndef SCALE
#define SCALE(x, y) (((x) + (1 <<((y)-1))) >> (y))
#endif
/**
* Default C language implementation of a 32x32->32 multiply. This function may
* be replaced by a platform-specific version for speed.
*
* @param u A signed 32-bit multiplicand
* @param v A signed 32-bit multiplier
* @return A signed 32-bit value corresponding to the 32 most significant bits
* of the 64-bit product of u and v.
*/
INLINE OI_INT32 default_mul_32s_32s_hi(OI_INT32 u, OI_INT32 v);
INLINE OI_INT32 default_mul_32s_32s_hi(OI_INT32 u, OI_INT32 v)
{
OI_UINT32 u0, v0;
OI_INT32 u1, v1, w1, w2, t;
u0 = u & 0xFFFF; u1 = u >> 16;
v0 = v & 0xFFFF; v1 = v >> 16;
t = u0*v0;
t = (u1*v0) + ((OI_UINT32)t >> 16);
w1 = t & 0xFFFF;
w2 = t >> 16;
w1 = (u0*v1) + w1;
return (u1*v1) + w2 + (w1 >> 16);
}
#define MUL_32S_32S_HI(_x, _y) default_mul_32s_32s_hi(_x, _y)
#ifdef DEBUG_DCT
PRIVATE void float_dct2_8(float * RESTRICT out, OI_INT32 const *RESTRICT in)
{
#define FIX(x,bits) (((int)floor(0.5f+((x)*((float)(1<<bits)))))/((float)(1<<bits)))
#define FLOAT_BUTTERFLY(x,y) x += y; y = x - (y*2); OI_ASSERT(VALID_INT32(x)); OI_ASSERT(VALID_INT32(y));
#define FLOAT_MULT_DCT(K, sample) (FIX(K,20) * sample)
#define FLOAT_SCALE(x, y) (((x) / (double)(1 << (y))))
double L00,L01,L02,L03,L04,L05,L06,L07;
double L25;
double in0,in1,in2,in3;
double in4,in5,in6,in7;
in0 = FLOAT_SCALE(in[0], DCTII_8_SHIFT_IN); OI_ASSERT(VALID_INT32(in0));
in1 = FLOAT_SCALE(in[1], DCTII_8_SHIFT_IN); OI_ASSERT(VALID_INT32(in1));
in2 = FLOAT_SCALE(in[2], DCTII_8_SHIFT_IN); OI_ASSERT(VALID_INT32(in2));
in3 = FLOAT_SCALE(in[3], DCTII_8_SHIFT_IN); OI_ASSERT(VALID_INT32(in3));
in4 = FLOAT_SCALE(in[4], DCTII_8_SHIFT_IN); OI_ASSERT(VALID_INT32(in4));
in5 = FLOAT_SCALE(in[5], DCTII_8_SHIFT_IN); OI_ASSERT(VALID_INT32(in5));
in6 = FLOAT_SCALE(in[6], DCTII_8_SHIFT_IN); OI_ASSERT(VALID_INT32(in6));
in7 = FLOAT_SCALE(in[7], DCTII_8_SHIFT_IN); OI_ASSERT(VALID_INT32(in7));
L00 = (in0 + in7); OI_ASSERT(VALID_INT32(L00));
L01 = (in1 + in6); OI_ASSERT(VALID_INT32(L01));
L02 = (in2 + in5); OI_ASSERT(VALID_INT32(L02));
L03 = (in3 + in4); OI_ASSERT(VALID_INT32(L03));
L04 = (in3 - in4); OI_ASSERT(VALID_INT32(L04));
L05 = (in2 - in5); OI_ASSERT(VALID_INT32(L05));
L06 = (in1 - in6); OI_ASSERT(VALID_INT32(L06));
L07 = (in0 - in7); OI_ASSERT(VALID_INT32(L07));
FLOAT_BUTTERFLY(L00, L03);
FLOAT_BUTTERFLY(L01, L02);
L02 += L03; OI_ASSERT(VALID_INT32(L02));
L02 = FLOAT_MULT_DCT(AAN_C4_FLOAT, L02); OI_ASSERT(VALID_INT32(L02));
FLOAT_BUTTERFLY(L00, L01);
out[0] = (float)FLOAT_SCALE(L00, DCTII_8_SHIFT_0); OI_ASSERT(VALID_INT16(out[0]));
out[4] = (float)FLOAT_SCALE(L01, DCTII_8_SHIFT_4); OI_ASSERT(VALID_INT16(out[4]));
FLOAT_BUTTERFLY(L03, L02);
out[6] = (float)FLOAT_SCALE(L02, DCTII_8_SHIFT_6); OI_ASSERT(VALID_INT16(out[6]));
out[2] = (float)FLOAT_SCALE(L03, DCTII_8_SHIFT_2); OI_ASSERT(VALID_INT16(out[2]));
L04 += L05; OI_ASSERT(VALID_INT32(L04));
L05 += L06; OI_ASSERT(VALID_INT32(L05));
L06 += L07; OI_ASSERT(VALID_INT32(L06));
L04/=2;
L05/=2;
L06/=2;
L07/=2;
L05 = FLOAT_MULT_DCT(AAN_C4_FLOAT, L05); OI_ASSERT(VALID_INT32(L05));
L25 = L06 - L04; OI_ASSERT(VALID_INT32(L25));
L25 = FLOAT_MULT_DCT(AAN_C6_FLOAT, L25); OI_ASSERT(VALID_INT32(L25));
L04 = FLOAT_MULT_DCT(AAN_Q0_FLOAT, L04); OI_ASSERT(VALID_INT32(L04));
L04 -= L25; OI_ASSERT(VALID_INT32(L04));
L06 = FLOAT_MULT_DCT(AAN_Q1_FLOAT, L06); OI_ASSERT(VALID_INT32(L06));
L06 -= L25; OI_ASSERT(VALID_INT32(L25));
FLOAT_BUTTERFLY(L07, L05);
FLOAT_BUTTERFLY(L05, L04);
out[3] = (float)(FLOAT_SCALE(L04, DCTII_8_SHIFT_3-1)); OI_ASSERT(VALID_INT16(out[3]));
out[5] = (float)(FLOAT_SCALE(L05, DCTII_8_SHIFT_5-1)); OI_ASSERT(VALID_INT16(out[5]));
FLOAT_BUTTERFLY(L07, L06);
out[7] = (float)(FLOAT_SCALE(L06, DCTII_8_SHIFT_7-1)); OI_ASSERT(VALID_INT16(out[7]));
out[1] = (float)(FLOAT_SCALE(L07, DCTII_8_SHIFT_1-1)); OI_ASSERT(VALID_INT16(out[1]));
}
#undef BUTTERFLY
#endif
/*
* This function calculates the AAN DCT. Its inputs are in S16.15 format, as
* returned by OI_SBC_Dequant. In practice, abs(in[x]) < 52429.0 / 1.38
* (1244918057 integer). The function it computes is an approximation to the array defined
* by:
*
* diag(aan_s) * AAN= C2
*
* or
*
* AAN = diag(1/aan_s) * C2
*
* where C2 is as it is defined in the comment at the head of this file, and
*
* aan_s[i] = aan_s = 1/(2*cos(i*pi/16)) with i = 1..7, aan_s[0] = 1;
*
* aan_s[i] = [ 1.000 0.510 0.541 0.601 0.707 0.900 1.307 2.563 ]
*
* The output ranges are shown as follows:
*
* Let Y[0..7] = AAN * X[0..7]
*
* Without loss of generality, assume the input vector X consists of elements
* between -1 and 1. The maximum possible value of a given output element occurs
* with some particular combination of input vector elements each of which is -1
* or 1. Consider the computation of Y[i]. Y[i] = sum t=0..7 of AAN[t,i]*X[i]. Y is
* maximized if the sign of X[i] matches the sign of AAN[t,i], ensuring a
* positive contribution to the sum. Equivalently, one may simply sum
* abs(AAN)[t,i] over t to get the maximum possible value of Y[i].
*
* This yields approximately [8.00 10.05 9.66 8.52 8.00 5.70 4.00 2.00]
*
* Given the maximum magnitude sensible input value of +/-37992, this yields the
* following vector of maximum output magnitudes:
*
* [ 303936 381820 367003 323692 303936 216555 151968 75984 ]
*
* Ultimately, these values must fit into 16 bit signed integers, so they must
* be scaled. A non-uniform scaling helps maximize the kept precision. The
* relative number of extra bits of precision maintainable with respect to the
* largest value is given here:
*
* [ 0 0 0 0 0 0 1 2 ]
*
*/
PRIVATE void dct2_8(SBC_BUFFER_T * RESTRICT out, OI_INT32 const *RESTRICT in);
PRIVATE void dct2_8(SBC_BUFFER_T * RESTRICT out, OI_INT32 const *RESTRICT in)
{
#define BUTTERFLY(x,y) x += y; y = x - (y<<1);
#define FIX_MULT_DCT(K, x) (MUL_32S_32S_HI(K,x)<<2)
OI_INT32 L00,L01,L02,L03,L04,L05,L06,L07;
OI_INT32 L25;
OI_INT32 in0,in1,in2,in3;
OI_INT32 in4,in5,in6,in7;
#if DCTII_8_SHIFT_IN != 0
in0 = SCALE(in[0], DCTII_8_SHIFT_IN);
in1 = SCALE(in[1], DCTII_8_SHIFT_IN);
in2 = SCALE(in[2], DCTII_8_SHIFT_IN);
in3 = SCALE(in[3], DCTII_8_SHIFT_IN);
in4 = SCALE(in[4], DCTII_8_SHIFT_IN);
in5 = SCALE(in[5], DCTII_8_SHIFT_IN);
in6 = SCALE(in[6], DCTII_8_SHIFT_IN);
in7 = SCALE(in[7], DCTII_8_SHIFT_IN);
#else
in0 = in[0];
in1 = in[1];
in2 = in[2];
in3 = in[3];
in4 = in[4];
in5 = in[5];
in6 = in[6];
in7 = in[7];
#endif
L00 = in0 + in7;
L01 = in1 + in6;
L02 = in2 + in5;
L03 = in3 + in4;
L04 = in3 - in4;
L05 = in2 - in5;
L06 = in1 - in6;
L07 = in0 - in7;
BUTTERFLY(L00, L03);
BUTTERFLY(L01, L02);
L02 += L03;
L02 = FIX_MULT_DCT(AAN_C4_FIX, L02);
BUTTERFLY(L00, L01);
out[0] = (OI_INT16)SCALE(L00, DCTII_8_SHIFT_0);
out[4] = (OI_INT16)SCALE(L01, DCTII_8_SHIFT_4);
BUTTERFLY(L03, L02);
out[6] = (OI_INT16)SCALE(L02, DCTII_8_SHIFT_6);
out[2] = (OI_INT16)SCALE(L03, DCTII_8_SHIFT_2);
L04 += L05;
L05 += L06;
L06 += L07;
L04/=2;
L05/=2;
L06/=2;
L07/=2;
L05 = FIX_MULT_DCT(AAN_C4_FIX, L05);
L25 = L06 - L04;
L25 = FIX_MULT_DCT(AAN_C6_FIX, L25);
L04 = FIX_MULT_DCT(AAN_Q0_FIX, L04);
L04 -= L25;
L06 = FIX_MULT_DCT(AAN_Q1_FIX, L06);
L06 -= L25;
BUTTERFLY(L07, L05);
BUTTERFLY(L05, L04);
out[3] = (OI_INT16)SCALE(L04, DCTII_8_SHIFT_3-1);
out[5] = (OI_INT16)SCALE(L05, DCTII_8_SHIFT_5-1);
BUTTERFLY(L07, L06);
out[7] = (OI_INT16)SCALE(L06, DCTII_8_SHIFT_7-1);
out[1] = (OI_INT16)SCALE(L07, DCTII_8_SHIFT_1-1);
#undef BUTTERFLY
#ifdef DEBUG_DCT
{
float float_out[8];
float_dct2_8(float_out, in);
}
#endif
}
/**@}*/

View file

@ -0,0 +1,513 @@
/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**********************************************************************************
$Revision: #1 $
***********************************************************************************/
/** @file
This file, along with synthesis-generated.c, contains the synthesis
filterbank routines. The operations performed correspond to the
operations described in A2DP Appendix B, Figure 12.3. Several
mathematical optimizations are performed, particularly for the
8-subband case.
One important optimization is to note that the "matrixing" operation
can be decomposed into the product of a type II discrete cosine kernel
and another, sparse matrix.
According to Fig 12.3, in the 8-subband case,
@code
N[k][i] = cos((i+0.5)*(k+4)*pi/8), k = 0..15 and i = 0..7
@endcode
N can be factored as R * C2, where C2 is an 8-point type II discrete
cosine kernel given by
@code
C2[k][i] = cos((i+0.5)*k*pi/8)), k = 0..7 and i = 0..7
@endcode
R turns out to be a sparse 16x8 matrix with the following non-zero
entries:
@code
R[k][k+4] = 1, k = 0..3
R[k][abs(12-k)] = -1, k = 5..15
@endcode
The spec describes computing V[0..15] as N * R.
@code
V[0..15] = N * R = (R * C2) * R = R * (C2 * R)
@endcode
C2 * R corresponds to computing the discrete cosine transform of R, so
V[0..15] can be computed by taking the DCT of R followed by assignment
and selective negation of the DCT result into V.
Although this was derived empirically using GNU Octave, it is
formally demonstrated in, e.g., Liu, Chi-Min and Lee,
Wen-Chieh. "A Unified Fast Algorithm for Cosine Modulated
Filter Banks in Current Audio Coding Standards." Journal of
the AES 47 (December 1999): 1061.
Given the shift operation performed prior to computing V[0..15], it is
clear that V[0..159] represents a rolling history of the 10 most
recent groups of blocks input to the synthesis operation. Interpreting
the matrix N in light of its factorization into C2 and R, R's
sparseness has implications for interpreting the values in V. In
particular, there is considerable redundancy in the values stored in
V. Furthermore, since R[4][0..7] are all zeros, one out of every 16
values in V will be zero regardless of the input data. Within each
block of 16 values in V, fully half of them are redundant or
irrelevant:
@code
V[ 0] = DCT[4]
V[ 1] = DCT[5]
V[ 2] = DCT[6]
V[ 3] = DCT[7]
V[ 4] = 0
V[ 5] = -DCT[7] = -V[3] (redundant)
V[ 6] = -DCT[6] = -V[2] (redundant)
V[ 7] = -DCT[5] = -V[1] (redundant)
V[ 8] = -DCT[4] = -V[0] (redundant)
V[ 9] = -DCT[3]
V[10] = -DCT[2]
V[11] = -DCT[1]
V[12] = -DCT[0]
V[13] = -DCT[1] = V[11] (redundant)
V[14] = -DCT[2] = V[10] (redundant)
V[15] = -DCT[3] = V[ 9] (redundant)
@endcode
Since the elements of V beyond 15 were originally computed the same
way during a previous run, what holds true for V[x] also holds true
for V[x+16]. Thus, so long as care is taken to maintain the mapping,
we need only actually store the unique values, which correspond to the
output of the DCT, in some cases inverted. In fact, instead of storing
V[0..159], we could store DCT[0..79] which would contain a history of
DCT results. More on this in a bit.
Going back to figure 12.3 in the spec, it should be clear that the
vector U need not actually be explicitly constructed, but that with
suitable indexing into V during the window operation, the same end can
be accomplished. In the same spirit of the pseudocode shown in the
figure, the following is the construction of W without using U:
@code
for i=0 to 79 do
W[i] = D[i]*VSIGN(i)*V[remap_V(i)] where remap_V(i) = 32*(int(i/16)) + (i % 16) + (i % 16 >= 8 ? 16 : 0)
and VSIGN(i) maps i%16 into {1, 1, 1, 1, 0, -1, -1, -1, -1, 1, 1, 1, 1, 1, 1 }
These values correspond to the
signs of the redundant values as
shown in the explanation three
paragraphs above.
@endcode
We saw above how V[4..8,13..15] (and by extension
V[(4..8,13..15)+16*n]) can be defined in terms of other elements
within the subblock of V. V[0..3,9..12] correspond to DCT elements.
@code
for i=0 to 79 do
W[i] = D[i]*DSIGN(i)*DCT[remap_DCT(i)]
@endcode
The DCT is calculated using the Arai-Agui-Nakajima factorization,
which saves some computation by producing output that needs to be
multiplied by scaling factors before being used.
@code
for i=0 to 79 do
W[i] = D[i]*SCALE[i%8]*AAN_DCT[remap_DCT(i)]
@endcode
D can be premultiplied with the DCT scaling factors to yield
@code
for i=0 to 79 do
W[i] = DSCALED[i]*AAN_DCT[remap_DCT(i)] where DSCALED[i] = D[i]*SCALE[i%8]
@endcode
The output samples X[0..7] are defined as sums of W:
@code
X[j] = sum{i=0..9}(W[j+8*i])
@endcode
@ingroup codec_internal
*/
/**
@addtogroup codec_internal
@{
*/
#include "oi_codec_sbc_private.h"
const OI_INT32 dec_window_4[21] = {
0, /* +0.00000000E+00 */
97, /* +5.36548976E-04 */
270, /* +1.49188357E-03 */
495, /* +2.73370904E-03 */
694, /* +3.83720193E-03 */
704, /* +3.89205149E-03 */
338, /* +1.86581691E-03 */
-554, /* -3.06012286E-03 */
1974, /* +1.09137620E-02 */
3697, /* +2.04385087E-02 */
5224, /* +2.88757392E-02 */
5824, /* +3.21939290E-02 */
4681, /* +2.58767811E-02 */
1109, /* +6.13245186E-03 */
-5214, /* -2.88217274E-02 */
-14047, /* -7.76463494E-02 */
24529, /* +1.35593274E-01 */
35274, /* +1.94987841E-01 */
44618, /* +2.46636662E-01 */
50984, /* +2.81828203E-01 */
53243, /* +2.94315332E-01 */
};
#define DCTII_4_K06_FIX ( 11585)/* S1.14 11585 0.707107*/
#define DCTII_4_K08_FIX ( 21407)/* S1.14 21407 1.306563*/
#define DCTII_4_K09_FIX (-15137)/* S1.14 -15137 -0.923880*/
#define DCTII_4_K10_FIX ( -8867)/* S1.14 -8867 -0.541196*/
/** Scales x by y bits to the right, adding a rounding factor.
*/
#ifndef SCALE
#define SCALE(x, y) (((x) + (1 <<((y)-1))) >> (y))
#endif
#ifndef CLIP_INT16
#define CLIP_INT16(x) do { if (x > OI_INT16_MAX) { x = OI_INT16_MAX; } else if (x < OI_INT16_MIN) { x = OI_INT16_MIN; } } while (0)
#endif
/**
* Default C language implementation of a 16x32->32 multiply. This function may
* be replaced by a platform-specific version for speed.
*
* @param u A signed 16-bit multiplicand
* @param v A signed 32-bit multiplier
* @return A signed 32-bit value corresponding to the 32 most significant bits
* of the 48-bit product of u and v.
*/
INLINE OI_INT32 default_mul_16s_32s_hi(OI_INT16 u, OI_INT32 v);
INLINE OI_INT32 default_mul_16s_32s_hi(OI_INT16 u, OI_INT32 v)
{
OI_UINT16 v0;
OI_INT16 v1;
OI_INT32 w,x;
v0 = (OI_UINT16)(v & 0xffff);
v1 = (OI_INT16) (v >> 16);
w = v1 * u;
x = u * v0;
return w + (x >> 16);
}
#define MUL_16S_32S_HI(_x, _y) default_mul_16s_32s_hi(_x, _y)
#define LONG_MULT_DCT(K, sample) (MUL_16S_32S_HI(K, sample)<<2)
PRIVATE void SynthWindow80_generated(OI_INT16 *pcm, SBC_BUFFER_T const * RESTRICT buffer, OI_UINT strideShift);
PRIVATE void SynthWindow112_generated(OI_INT16 *pcm, SBC_BUFFER_T const * RESTRICT buffer, OI_UINT strideShift);
PRIVATE void dct2_8(SBC_BUFFER_T * RESTRICT out, OI_INT32 const * RESTRICT x);
typedef void (*SYNTH_FRAME)(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_INT16 *pcm, OI_UINT blkstart, OI_UINT blkcount);
#ifndef COPY_BACKWARD_32BIT_ALIGNED_72_HALFWORDS
#define COPY_BACKWARD_32BIT_ALIGNED_72_HALFWORDS(dest, src) do { shift_buffer(dest, src, 72); } while (0)
#endif
#ifndef DCT2_8
#define DCT2_8(dst, src) dct2_8(dst, src)
#endif
#ifndef SYNTH80
#define SYNTH80 SynthWindow80_generated
#endif
#ifndef SYNTH112
#define SYNTH112 SynthWindow112_generated
#endif
PRIVATE void OI_SBC_SynthFrame_80(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_INT16 *pcm, OI_UINT blkstart, OI_UINT blkcount);
PRIVATE void OI_SBC_SynthFrame_80(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_INT16 *pcm, OI_UINT blkstart, OI_UINT blkcount)
{
OI_UINT blk;
OI_UINT ch;
OI_UINT nrof_channels = context->common.frameInfo.nrof_channels;
OI_UINT pcmStrideShift = (context->common.pcmStride == 1) ? 0 : 1;
OI_UINT offset = context->common.filterBufferOffset;
OI_INT32 *s = context->common.subdata + (8 * nrof_channels * blkstart);
OI_UINT blkstop = blkstart + blkcount;
for (blk = blkstart; blk < blkstop; blk++) {
if (offset == 0) {
COPY_BACKWARD_32BIT_ALIGNED_72_HALFWORDS(context->common.filterBuffer[0] + context->common.filterBufferLen - 72, context->common.filterBuffer[0]);
if (nrof_channels == 2) {
COPY_BACKWARD_32BIT_ALIGNED_72_HALFWORDS(context->common.filterBuffer[1] + context->common.filterBufferLen - 72, context->common.filterBuffer[1]);
}
offset = context->common.filterBufferLen - 80;
} else {
offset -= 1*8;
}
for (ch = 0; ch < nrof_channels; ch++) {
DCT2_8(context->common.filterBuffer[ch] + offset, s);
SYNTH80(pcm + ch, context->common.filterBuffer[ch] + offset, pcmStrideShift);
s += 8;
}
pcm += (8 << pcmStrideShift);
}
context->common.filterBufferOffset = offset;
}
PRIVATE void OI_SBC_SynthFrame_4SB(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_INT16 *pcm, OI_UINT blkstart, OI_UINT blkcount);
PRIVATE void OI_SBC_SynthFrame_4SB(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_INT16 *pcm, OI_UINT blkstart, OI_UINT blkcount)
{
OI_UINT blk;
OI_UINT ch;
OI_UINT nrof_channels = context->common.frameInfo.nrof_channels;
OI_UINT pcmStrideShift = (context->common.pcmStride == 1) ? 0 : 1;
OI_UINT offset = context->common.filterBufferOffset;
OI_INT32 *s = context->common.subdata + (8 * nrof_channels * blkstart);
OI_UINT blkstop = blkstart + blkcount;
for (blk = blkstart; blk < blkstop; blk++) {
if (offset == 0) {
COPY_BACKWARD_32BIT_ALIGNED_72_HALFWORDS(context->common.filterBuffer[0] + context->common.filterBufferLen - 72,context->common.filterBuffer[0]);
if (nrof_channels == 2) {
COPY_BACKWARD_32BIT_ALIGNED_72_HALFWORDS(context->common.filterBuffer[1] + context->common.filterBufferLen - 72,context->common.filterBuffer[1]);
}
offset =context->common.filterBufferLen - 80;
} else {
offset -= 8;
}
for (ch = 0; ch < nrof_channels; ch++) {
cosineModulateSynth4(context->common.filterBuffer[ch] + offset, s);
SynthWindow40_int32_int32_symmetry_with_sum(pcm + ch,
context->common.filterBuffer[ch] + offset,
pcmStrideShift);
s += 4;
}
pcm += (4 << pcmStrideShift);
}
context->common.filterBufferOffset = offset;
}
#ifdef SBC_ENHANCED
PRIVATE void OI_SBC_SynthFrame_Enhanced(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_INT16 *pcm, OI_UINT blkstart, OI_UINT blkcount)
{
OI_UINT blk;
OI_UINT ch;
OI_UINT nrof_channels = context->common.frameInfo.nrof_channels;
OI_UINT pcmStrideShift = context->common.pcmStride == 1 ? 0 : 1;
OI_UINT offset = context->common.filterBufferOffset;
OI_INT32 *s = context->common.subdata + 8 * nrof_channels * blkstart;
OI_UINT blkstop = blkstart + blkcount;
for (blk = blkstart; blk < blkstop; blk++) {
if (offset == 0) {
COPY_BACKWARD_32BIT_ALIGNED_104_HALFWORDS(context->common.filterBuffer[0] +context->common.filterBufferLen - 104, context->common.filterBuffer[0]);
if (nrof_channels == 2) {
COPY_BACKWARD_32BIT_ALIGNED_104_HALFWORDS(context->common.filterBuffer[1] + context->common.filterBufferLen - 104, context->common.filterBuffer[1]);
}
offset = context->common.filterBufferLen - 112;
} else {
offset -= 8;
}
for (ch = 0; ch < nrof_channels; ++ch) {
DCT2_8(context->common.filterBuffer[ch] + offset, s);
SYNTH112(pcm + ch, context->common.filterBuffer[ch] + offset, pcmStrideShift);
s += 8;
}
pcm += (8 << pcmStrideShift);
}
context->common.filterBufferOffset = offset;
}
static const SYNTH_FRAME SynthFrameEnhanced[] = {
(SYNTH_FRAME) NULL, /* invalid */
OI_SBC_SynthFrame_Enhanced, /* mono */
OI_SBC_SynthFrame_Enhanced /* stereo */
};
#endif
static const SYNTH_FRAME SynthFrame8SB[] = {
(SYNTH_FRAME) NULL, /* invalid */
OI_SBC_SynthFrame_80, /* mono */
OI_SBC_SynthFrame_80 /* stereo */
};
static const SYNTH_FRAME SynthFrame4SB[] = {
(SYNTH_FRAME) NULL, /* invalid */
OI_SBC_SynthFrame_4SB, /* mono */
OI_SBC_SynthFrame_4SB /* stereo */
};
PRIVATE void OI_SBC_SynthFrame(OI_CODEC_SBC_DECODER_CONTEXT *context, OI_INT16 *pcm, OI_UINT start_block, OI_UINT nrof_blocks)
{
OI_UINT nrof_subbands = context->common.frameInfo.nrof_subbands;
OI_UINT nrof_channels = context->common.frameInfo.nrof_channels;
OI_ASSERT(nrof_subbands == 4 || nrof_subbands == 8);
if (nrof_subbands == 4) {
SynthFrame4SB[nrof_channels](context, pcm, start_block, nrof_blocks);
#ifdef SBC_ENHANCED
} else if (context->common.frameInfo.enhanced) {
SynthFrameEnhanced[nrof_channels](context, pcm, start_block, nrof_blocks);
#endif /* SBC_ENHANCED */
} else {
SynthFrame8SB[nrof_channels](context, pcm, start_block, nrof_blocks);
}
}
void SynthWindow40_int32_int32_symmetry_with_sum(OI_INT16 *pcm, SBC_BUFFER_T buffer[80], OI_UINT strideShift)
{
OI_INT32 pa;
OI_INT32 pb;
/* These values should be zero, since out[2] of the 4-band cosine modulation
* is always zero. */
OI_ASSERT(buffer[ 2] == 0);
OI_ASSERT(buffer[10] == 0);
OI_ASSERT(buffer[18] == 0);
OI_ASSERT(buffer[26] == 0);
OI_ASSERT(buffer[34] == 0);
OI_ASSERT(buffer[42] == 0);
OI_ASSERT(buffer[50] == 0);
OI_ASSERT(buffer[58] == 0);
OI_ASSERT(buffer[66] == 0);
OI_ASSERT(buffer[74] == 0);
pa = dec_window_4[ 4] * (buffer[12] + buffer[76]);
pa += dec_window_4[ 8] * (buffer[16] - buffer[64]);
pa += dec_window_4[12] * (buffer[28] + buffer[60]);
pa += dec_window_4[16] * (buffer[32] - buffer[48]);
pa += dec_window_4[20] * buffer[44];
pa = SCALE(-pa, 15);
CLIP_INT16(pa);
pcm[0 << strideShift] = (OI_INT16)pa;
pa = dec_window_4[ 1] * buffer[ 1]; pb = dec_window_4[ 1] * buffer[79];
pb += dec_window_4[ 3] * buffer[ 3]; pa += dec_window_4[ 3] * buffer[77];
pa += dec_window_4[ 5] * buffer[13]; pb += dec_window_4[ 5] * buffer[67];
pb += dec_window_4[ 7] * buffer[15]; pa += dec_window_4[ 7] * buffer[65];
pa += dec_window_4[ 9] * buffer[17]; pb += dec_window_4[ 9] * buffer[63];
pb += dec_window_4[11] * buffer[19]; pa += dec_window_4[11] * buffer[61];
pa += dec_window_4[13] * buffer[29]; pb += dec_window_4[13] * buffer[51];
pb += dec_window_4[15] * buffer[31]; pa += dec_window_4[15] * buffer[49];
pa += dec_window_4[17] * buffer[33]; pb += dec_window_4[17] * buffer[47];
pb += dec_window_4[19] * buffer[35]; pa += dec_window_4[19] * buffer[45];
pa = SCALE(-pa, 15);
CLIP_INT16(pa);
pcm[1 << strideShift] = (OI_INT16)(pa);
pb = SCALE(-pb, 15);
CLIP_INT16(pb);
pcm[3 << strideShift] = (OI_INT16)(pb);
pa = dec_window_4[2] * (/*buffer[ 2] + */ buffer[78]); /* buffer[ 2] is always zero */
pa += dec_window_4[6] * (buffer[14] /* + buffer[66]*/); /* buffer[66] is always zero */
pa += dec_window_4[10] * (/*buffer[18] + */ buffer[62]); /* buffer[18] is always zero */
pa += dec_window_4[14] * (buffer[30] /* + buffer[50]*/); /* buffer[50] is always zero */
pa += dec_window_4[18] * (/*buffer[34] + */ buffer[46]); /* buffer[34] is always zero */
pa = SCALE(-pa, 15);
CLIP_INT16(pa);
pcm[2 << strideShift] = (OI_INT16)(pa);
}
/**
This routine implements the cosine modulation matrix for 4-subband
synthesis. This is called "matrixing" in the SBC specification. This
matrix, M4, can be factored into an 8-point Type II Discrete Cosine
Transform, DCTII_4 and a matrix S4, given here:
@code
__ __
| 0 0 1 0 |
| 0 0 0 1 |
| 0 0 0 0 |
| 0 0 0 -1 |
S4 = | 0 0 -1 0 |
| 0 -1 0 0 |
| -1 0 0 0 |
|__ 0 -1 0 0 __|
M4 * in = S4 * (DCTII_4 * in)
@endcode
(DCTII_4 * in) is computed using a Fast Cosine Transform. The algorithm
here is based on an implementation computed by the SPIRAL computer
algebra system, manually converted to fixed-point arithmetic. S4 can be
implemented using only assignment and negation.
*/
PRIVATE void cosineModulateSynth4(SBC_BUFFER_T * RESTRICT out, OI_INT32 const * RESTRICT in)
{
OI_INT32 f0, f1, f2, f3, f4, f7, f8, f9, f10;
OI_INT32 y0, y1, y2, y3;
f0 = (in[0] - in[3]);
f1 = (in[0] + in[3]);
f2 = (in[1] - in[2]);
f3 = (in[1] + in[2]);
f4 = f1 - f3;
y0 = -SCALE(f1 + f3, DCT_SHIFT);
y2 = -SCALE(LONG_MULT_DCT(DCTII_4_K06_FIX, f4), DCT_SHIFT);
f7 = f0 + f2;
f8 = LONG_MULT_DCT(DCTII_4_K08_FIX, f0);
f9 = LONG_MULT_DCT(DCTII_4_K09_FIX, f7);
f10 = LONG_MULT_DCT(DCTII_4_K10_FIX, f2);
y3 = -SCALE(f8 + f9, DCT_SHIFT);
y1 = -SCALE(f10 - f9, DCT_SHIFT);
out[0] = (OI_INT16)-y2;
out[1] = (OI_INT16)-y3;
out[2] = (OI_INT16)0;
out[3] = (OI_INT16)y3;
out[4] = (OI_INT16)y2;
out[5] = (OI_INT16)y1;
out[6] = (OI_INT16)y0;
out[7] = (OI_INT16)y1;
}
/**
@}
*/

View file

@ -0,0 +1,11 @@
# sbc encoder
SBC_ENCODER += \
sbc_analysis.c \
sbc_dct.c \
sbc_dct_coeffs.c \
sbc_enc_bit_alloc_mono.c \
sbc_enc_bit_alloc_ste.c \
sbc_enc_coeffs.c \
sbc_encoder.c \
sbc_packing.c \

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@ -0,0 +1,91 @@
/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* Definitions for the fast DCT.
*
******************************************************************************/
#ifndef SBC_DCT_H
#define SBC_DCT_H
#if (SBC_ARM_ASM_OPT==TRUE)
#define SBC_MULT_32_16_SIMPLIFIED(s16In2, s32In1, s32OutLow) \
{ \
__asm \
{ \
MUL s32OutLow,(SINT32)s16In2, (s32In1>>15) \
} \
}
#else
#if (SBC_DSP_OPT==TRUE)
#define SBC_MULT_32_16_SIMPLIFIED(s16In2, s32In1 , s32OutLow) s32OutLow = SBC_Multiply_32_16_Simplified((SINT32)s16In2,s32In1);
#else
#if (SBC_IPAQ_OPT==TRUE)
/*#define SBC_MULT_32_16_SIMPLIFIED(s16In2, s32In1 , s32OutLow) s32OutLow=(SINT32)((SINT32)(s16In2)*(SINT32)(s32In1>>15)); */
#define SBC_MULT_32_16_SIMPLIFIED(s16In2, s32In1 , s32OutLow) s32OutLow=(SINT32)(((SINT64)s16In2*(SINT64)s32In1)>>15);
#if (SBC_IS_64_MULT_IN_IDCT == TRUE)
#define SBC_MULT_32_32(s32In2, s32In1, s32OutLow) \
{ \
s64Temp = ((SINT64) s32In2) * ((SINT64) s32In1)>>31; \
s32OutLow = (SINT32) s64Temp; \
}
#endif
#else
#define SBC_MULT_32_16_SIMPLIFIED(s16In2, s32In1 , s32OutLow) \
{ \
s32In1Temp = s32In1; \
s32In2Temp = (SINT32)s16In2; \
\
/* Multiply one +ve and the other -ve number */ \
if (s32In1Temp < 0) \
{ \
s32In1Temp ^= 0xFFFFFFFF; \
s32In1Temp++; \
s32OutLow = (s32In2Temp * (s32In1Temp >> 16)); \
s32OutLow += (( s32In2Temp * (s32In1Temp & 0xFFFF)) >> 16); \
s32OutLow ^= 0xFFFFFFFF; \
s32OutLow++; \
} \
else \
{ \
s32OutLow = (s32In2Temp * (s32In1Temp >> 16)); \
s32OutLow += (( s32In2Temp * (s32In1Temp & 0xFFFF)) >> 16); \
} \
s32OutLow <<= 1; \
}
#if (SBC_IS_64_MULT_IN_IDCT == TRUE)
#define SBC_MULT_64(s32In1, s32In2, s32OutLow, s32OutHi) \
{\
s32OutLow=(SINT32)(((SINT64)s32In1*(SINT64)s32In2)& 0x00000000FFFFFFFF);\
s32OutHi=(SINT32)(((SINT64)s32In1*(SINT64)s32In2)>>32);\
}
#define SBC_MULT_32_32(s32In2, s32In1, s32OutLow) \
{ \
s32HiTemp = 0; \
SBC_MULT_64(s32In2,s32In1 , s32OutLow, s32HiTemp); \
s32OutLow = (((s32OutLow>>15)&0x1FFFF) | (s32HiTemp << 17)); \
}
#endif
#endif
#endif
#endif
#endif

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/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* Function declarations.
*
******************************************************************************/
#ifndef SBC_FUNCDECLARE_H
#define SBC_FUNCDECLARE_H
/*#include "sbc_encoder.h"*/
/* Global data */
#if (SBC_IS_64_MULT_IN_WINDOW_ACCU == FALSE)
extern const SINT16 gas32CoeffFor4SBs[];
extern const SINT16 gas32CoeffFor8SBs[];
#else
extern const SINT32 gas32CoeffFor4SBs[];
extern const SINT32 gas32CoeffFor8SBs[];
#endif
/* Global functions*/
extern void sbc_enc_bit_alloc_mono(SBC_ENC_PARAMS *CodecParams);
extern void sbc_enc_bit_alloc_ste(SBC_ENC_PARAMS *CodecParams);
extern void SbcAnalysisInit (void);
extern void SbcAnalysisFilter4(SBC_ENC_PARAMS *strEncParams);
extern void SbcAnalysisFilter8(SBC_ENC_PARAMS *strEncParams);
extern void SBC_FastIDCT8 (SINT32 *pInVect, SINT32 *pOutVect);
extern void SBC_FastIDCT4 (SINT32 *x0, SINT32 *pOutVect);
extern void EncPacking(SBC_ENC_PARAMS *strEncParams);
extern void EncQuantizer(SBC_ENC_PARAMS *);
#if (SBC_DSP_OPT==TRUE)
SINT32 SBC_Multiply_32_16_Simplified(SINT32 s32In2Temp,SINT32 s32In1Temp);
#endif
#endif

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/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This file contains constants and structures used by Encoder.
*
******************************************************************************/
#ifndef SBC_ENCODER_H
#define SBC_ENCODER_H
#define ENCODER_VERSION "0025"
#ifdef BUILDCFG
#include "bt_target.h"
#endif
/*DEFINES*/
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE (!FALSE)
#endif
/* BK4BTSTACK_CHANGE START */
#define SBC_NO_PCM_CPY_OPTION TRUE
/* BK4BTSTACK_CHANGE END */
#define SBC_MAX_NUM_OF_SUBBANDS 8
#define SBC_MAX_NUM_OF_CHANNELS 2
#define SBC_MAX_NUM_OF_BLOCKS 16
#define SBC_LOUDNESS 0
#define SBC_SNR 1
#define SUB_BANDS_8 8
#define SUB_BANDS_4 4
#define SBC_sf16000 0
#define SBC_sf32000 1
#define SBC_sf44100 2
#define SBC_sf48000 3
#define SBC_MONO 0
#define SBC_DUAL 1
#define SBC_STEREO 2
#define SBC_JOINT_STEREO 3
#define SBC_BLOCK_0 4
#define SBC_BLOCK_1 8
#define SBC_BLOCK_2 12
#define SBC_BLOCK_3 16
#define SBC_NULL 0
#ifndef SBC_MAX_NUM_FRAME
#define SBC_MAX_NUM_FRAME 1
#endif
#ifndef SBC_DSP_OPT
#define SBC_DSP_OPT FALSE
#endif
/* Set SBC_USE_ARM_PRAGMA to TRUE to use "#pragma arm section zidata" */
#ifndef SBC_USE_ARM_PRAGMA
#define SBC_USE_ARM_PRAGMA FALSE
#endif
/* Set SBC_ARM_ASM_OPT to TRUE in case the target is an ARM */
/* this will replace all the 32 and 64 bit mult by in line assembly code */
#ifndef SBC_ARM_ASM_OPT
#define SBC_ARM_ASM_OPT FALSE
#endif
/* green hill compiler option -> Used to distinguish the syntax for inline assembly code*/
#ifndef SBC_GHS_COMPILER
#define SBC_GHS_COMPILER FALSE
#endif
/* ARM compiler option -> Used to distinguish the syntax for inline assembly code */
#ifndef SBC_ARM_COMPILER
#define SBC_ARM_COMPILER TRUE
#endif
/* Set SBC_IPAQ_OPT to TRUE in case the target is an ARM */
/* 32 and 64 bit mult will be performed using SINT64 ( usualy __int64 ) cast that usualy give optimal performance if supported */
#ifndef SBC_IPAQ_OPT
#define SBC_IPAQ_OPT TRUE
#endif
/* Debug only: set SBC_IS_64_MULT_IN_WINDOW_ACCU to TRUE to use 64 bit multiplication in the windowing */
/* -> not recomended, more MIPS for the same restitution. */
#ifndef SBC_IS_64_MULT_IN_WINDOW_ACCU
#define SBC_IS_64_MULT_IN_WINDOW_ACCU FALSE
#endif /*SBC_IS_64_MULT_IN_WINDOW_ACCU */
/* Set SBC_IS_64_MULT_IN_IDCT to TRUE to use 64 bits multiplication in the DCT of Matrixing */
/* -> more MIPS required for a better audio quality. comparasion with the SIG utilities shows a division by 10 of the RMS */
/* CAUTION: It only apply in the if SBC_FAST_DCT is set to TRUE */
#ifndef SBC_IS_64_MULT_IN_IDCT
#define SBC_IS_64_MULT_IN_IDCT FALSE
#endif /*SBC_IS_64_MULT_IN_IDCT */
/* set SBC_IS_64_MULT_IN_QUANTIZER to TRUE to use 64 bits multiplication in the quantizer */
/* setting this flag to FALSE add whistling noise at 5.5 and 11 KHz usualy not perceptible by human's hears. */
#ifndef SBC_IS_64_MULT_IN_QUANTIZER
#define SBC_IS_64_MULT_IN_QUANTIZER TRUE
#endif /*SBC_IS_64_MULT_IN_IDCT */
/* Debug only: set this flag to FALSE to disable fast DCT algorithm */
#ifndef SBC_FAST_DCT
#define SBC_FAST_DCT TRUE
#endif /*SBC_FAST_DCT */
/* In case we do not use joint stereo mode the flag save some RAM and ROM in case it is set to FALSE */
#ifndef SBC_JOINT_STE_INCLUDED
#define SBC_JOINT_STE_INCLUDED TRUE
#endif
/* TRUE -> application should provide PCM buffer, FALSE PCM buffer reside in SBC_ENC_PARAMS */
#ifndef SBC_NO_PCM_CPY_OPTION
#define SBC_NO_PCM_CPY_OPTION FALSE
#endif
#define MINIMUM_ENC_VX_BUFFER_SIZE (8*10*2)
#ifndef ENC_VX_BUFFER_SIZE
#define ENC_VX_BUFFER_SIZE (MINIMUM_ENC_VX_BUFFER_SIZE + 64)
/*#define ENC_VX_BUFFER_SIZE MINIMUM_ENC_VX_BUFFER_SIZE + 1024*/
#endif
#ifndef SBC_FOR_EMBEDDED_LINUX
#define SBC_FOR_EMBEDDED_LINUX FALSE
#endif
/*constants used for index calculation*/
#define SBC_BLK (SBC_MAX_NUM_OF_CHANNELS * SBC_MAX_NUM_OF_SUBBANDS)
#include "sbc_types.h"
typedef struct SBC_ENC_PARAMS_TAG
{
SINT16 s16SamplingFreq; /* 16k, 32k, 44.1k or 48k*/
SINT16 s16ChannelMode; /* mono, dual, streo or joint streo*/
SINT16 s16NumOfSubBands; /* 4 or 8 */
SINT16 s16NumOfChannels;
SINT16 s16NumOfBlocks; /* SBC: 4, 8, 12 or 16; mSBC: 15*/
SINT16 s16AllocationMethod; /* loudness or SNR*/
SINT16 s16BitPool; /* 16*numOfSb for mono & dual;
32*numOfSb for stereo & joint stereo */
/* BK4BTSTACK_CHANGE START */
// UINT16 u16BitRate;
/* BK4BTSTACK_CHANGE END */
UINT8 u8NumPacketToEncode; /* number of sbc frame to encode. Default is 1 */
#if (SBC_JOINT_STE_INCLUDED == TRUE)
SINT16 as16Join[SBC_MAX_NUM_OF_SUBBANDS]; /*1 if JS, 0 otherwise*/
#endif
SINT16 s16MaxBitNeed;
SINT16 as16ScaleFactor[SBC_MAX_NUM_OF_CHANNELS*SBC_MAX_NUM_OF_SUBBANDS];
SINT16 *ps16NextPcmBuffer;
#if (SBC_NO_PCM_CPY_OPTION == TRUE)
SINT16 *ps16PcmBuffer;
#else
SINT16 as16PcmBuffer[SBC_MAX_NUM_FRAME*SBC_MAX_NUM_OF_BLOCKS * SBC_MAX_NUM_OF_CHANNELS * SBC_MAX_NUM_OF_SUBBANDS];
#endif
SINT16 s16ScartchMemForBitAlloc[16];
SINT32 s32SbBuffer[SBC_MAX_NUM_OF_CHANNELS * SBC_MAX_NUM_OF_SUBBANDS * SBC_MAX_NUM_OF_BLOCKS];
SINT16 as16Bits[SBC_MAX_NUM_OF_CHANNELS*SBC_MAX_NUM_OF_SUBBANDS];
UINT8 *pu8Packet;
UINT8 *pu8NextPacket;
UINT16 FrameHeader;
UINT16 u16PacketLength;
/* BK4BTSTACK_CHANGE START */
UINT8 mSBCEnabled;
/* BK4BTSTACK_CHANGE END */
}SBC_ENC_PARAMS;
#ifdef __cplusplus
extern "C"
{
#endif
SBC_API extern void SBC_Encoder(SBC_ENC_PARAMS *strEncParams);
SBC_API extern void SBC_Encoder_Init(SBC_ENC_PARAMS *strEncParams);
#ifdef __cplusplus
}
#endif
#endif

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/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* Data type declarations.
*
******************************************************************************/
#ifndef SBC_TYPES_H
#define SBC_TYPES_H
#ifdef BUILDCFG
#include "bt_target.h"
#endif
/* BK4BTSTACK_CHANGE START */
#if 0
// #include "data_types.h"
typedef short SINT16;
typedef long SINT32;
#if (SBC_IPAQ_OPT == TRUE)
#if (SBC_FOR_EMBEDDED_LINUX == TRUE)
typedef long long SINT64;
#else
typedef __int64 SINT64;
#endif
#elif (SBC_IS_64_MULT_IN_WINDOW_ACCU == TRUE) || (SBC_IS_64_MULT_IN_IDCT == TRUE)
#if (SBC_FOR_EMBEDDED_LINUX == TRUE)
typedef long long SINT64;
#else
typedef __int64 SINT64;
#endif
#endif
#else
#include <stdint.h>
typedef int8_t SINT8;
typedef int16_t SINT16;
typedef int32_t SINT32;
typedef int64_t SINT64;
typedef uint8_t UINT8;
typedef uint16_t UINT16;
typedef uint32_t UINT32;
typedef uint64_t UINT64;
#endif
/* BK4BTSTACK_CHANGE STOP */
#define SBC_API
#define abs32(x) ( (x >= 0) ? x : (-x) )
#endif

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/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* source file for fast dct operations
*
******************************************************************************/
#include "sbc_encoder.h"
#include "sbc_enc_func_declare.h"
#include "sbc_dct.h"
/*******************************************************************************
**
** Function SBC_FastIDCT8
**
** Description implementation of fast DCT algorithm by Feig and Winograd
**
**
** Returns y = dct(pInVect)
**
**
*******************************************************************************/
#if (SBC_IS_64_MULT_IN_IDCT == FALSE)
#define SBC_COS_PI_SUR_4 (0x00005a82) /* ((0x8000) * 0.7071) = cos(pi/4) */
#define SBC_COS_PI_SUR_8 (0x00007641) /* ((0x8000) * 0.9239) = (cos(pi/8)) */
#define SBC_COS_3PI_SUR_8 (0x000030fb) /* ((0x8000) * 0.3827) = (cos(3*pi/8)) */
#define SBC_COS_PI_SUR_16 (0x00007d8a) /* ((0x8000) * 0.9808)) = (cos(pi/16)) */
#define SBC_COS_3PI_SUR_16 (0x00006a6d) /* ((0x8000) * 0.8315)) = (cos(3*pi/16)) */
#define SBC_COS_5PI_SUR_16 (0x0000471c) /* ((0x8000) * 0.5556)) = (cos(5*pi/16)) */
#define SBC_COS_7PI_SUR_16 (0x000018f8) /* ((0x8000) * 0.1951)) = (cos(7*pi/16)) */
#define SBC_IDCT_MULT(a,b,c) SBC_MULT_32_16_SIMPLIFIED(a,b,c)
#else
#define SBC_COS_PI_SUR_4 (0x5A827999) /* ((0x80000000) * 0.707106781) = (cos(pi/4) ) */
#define SBC_COS_PI_SUR_8 (0x7641AF3C) /* ((0x80000000) * 0.923879533) = (cos(pi/8) ) */
#define SBC_COS_3PI_SUR_8 (0x30FBC54D) /* ((0x80000000) * 0.382683432) = (cos(3*pi/8) ) */
#define SBC_COS_PI_SUR_16 (0x7D8A5F3F) /* ((0x80000000) * 0.98078528 )) = (cos(pi/16) ) */
#define SBC_COS_3PI_SUR_16 (0x6A6D98A4) /* ((0x80000000) * 0.831469612)) = (cos(3*pi/16)) */
#define SBC_COS_5PI_SUR_16 (0x471CECE6) /* ((0x80000000) * 0.555570233)) = (cos(5*pi/16)) */
#define SBC_COS_7PI_SUR_16 (0x18F8B83C) /* ((0x80000000) * 0.195090322)) = (cos(7*pi/16)) */
#define SBC_IDCT_MULT(a,b,c) SBC_MULT_32_32(a,b,c)
#endif /* SBC_IS_64_MULT_IN_IDCT */
#if (SBC_FAST_DCT == FALSE)
extern const SINT16 gas16AnalDCTcoeff8[];
extern const SINT16 gas16AnalDCTcoeff4[];
#endif
void SBC_FastIDCT8(SINT32 *pInVect, SINT32 *pOutVect)
{
#if (SBC_FAST_DCT == TRUE)
#if (SBC_ARM_ASM_OPT==TRUE)
#else
#if (SBC_IPAQ_OPT==TRUE)
#if (SBC_IS_64_MULT_IN_IDCT == TRUE)
SINT64 s64Temp;
#endif
#else
#if (SBC_IS_64_MULT_IN_IDCT == TRUE)
SINT32 s32HiTemp;
#else
SINT32 s32In2Temp;
register SINT32 s32In1Temp;
#endif
#endif
#endif
register SINT32 x0, x1, x2, x3, x4, x5, x6, x7,temp;
SINT32 res_even[4], res_odd[4];
SBC_IDCT_MULT(SBC_COS_PI_SUR_4,pInVect[4], x0);
x1 = (pInVect[3] + pInVect[5]) >>1;
x2 = (pInVect[2] + pInVect[6]) >>1;
x3 = (pInVect[1] + pInVect[7]) >>1;
x4 = (pInVect[0] + pInVect[8]) >>1;
x5 = (pInVect[9] - pInVect[15]) >>1;
x6 = (pInVect[10] - pInVect[14])>>1;
x7 = (pInVect[11] - pInVect[13])>>1;
/* 2-point IDCT of x0 and x4 as in (11) */
temp = x0 ;
SBC_IDCT_MULT(SBC_COS_PI_SUR_4, ( x0 + x4 ), x0); /*x0 = ( x0 + x4 ) * cos(1*pi/4) ; */
SBC_IDCT_MULT(SBC_COS_PI_SUR_4, ( temp - x4 ), x4); /*x4 = ( temp - x4 ) * cos(1*pi/4) ; */
/* rearrangement of x2 and x6 as in (15) */
x2 -=x6;
x6 <<= 1 ;
/* 2-point IDCT of x2 and x6 and post-multiplication as in (15) */
SBC_IDCT_MULT(SBC_COS_PI_SUR_4,x6, x6); /*x6 = x6 * cos(1*pi/4) ; */
temp = x2 ;
SBC_IDCT_MULT(SBC_COS_PI_SUR_8,( x2 + x6 ), x2); /*x2 = ( x2 + x6 ) * cos(1*pi/8) ; */
SBC_IDCT_MULT(SBC_COS_3PI_SUR_8,( temp - x6 ), x6); /*x6 = ( temp - x6 ) * cos(3*pi/8) ;*/
/* 4-point IDCT of x0,x2,x4 and x6 as in (11) */
res_even[ 0 ] = x0 + x2 ;
res_even[ 1 ] = x4 + x6 ;
res_even[ 2 ] = x4 - x6 ;
res_even[ 3 ] = x0 - x2 ;
/* rearrangement of x1,x3,x5,x7 as in (15) */
x7 <<= 1 ;
x5 = ( x5 <<1 ) - x7 ;
x3 = ( x3 <<1 ) - x5 ;
x1 -= x3 >>1 ;
/* two-dimensional IDCT of x1 and x5 */
SBC_IDCT_MULT(SBC_COS_PI_SUR_4, x5, x5); /*x5 = x5 * cos(1*pi/4) ; */
temp = x1 ;
x1 = x1 + x5 ;
x5 = temp - x5 ;
/* rearrangement of x3 and x7 as in (15) */
x3 -= x7;
x7 <<= 1 ;
SBC_IDCT_MULT(SBC_COS_PI_SUR_4, x7, x7); /*x7 = x7 * cos(1*pi/4) ; */
/* 2-point IDCT of x3 and x7 and post-multiplication as in (15) */
temp = x3 ;
SBC_IDCT_MULT( SBC_COS_PI_SUR_8,( x3 + x7 ), x3); /*x3 = ( x3 + x7 ) * cos(1*pi/8) ; */
SBC_IDCT_MULT( SBC_COS_3PI_SUR_8,( temp - x7 ), x7); /*x7 = ( temp - x7 ) * cos(3*pi/8) ;*/
/* 4-point IDCT of x1,x3,x5 and x7 and post multiplication by diagonal matrix as in (14) */
SBC_IDCT_MULT((SBC_COS_PI_SUR_16), ( x1 + x3 ) , res_odd[0]); /*res_odd[ 0 ] = ( x1 + x3 ) * cos(1*pi/16) ; */
SBC_IDCT_MULT((SBC_COS_3PI_SUR_16), ( x5 + x7 ) , res_odd[1]); /*res_odd[ 1 ] = ( x5 + x7 ) * cos(3*pi/16) ; */
SBC_IDCT_MULT((SBC_COS_5PI_SUR_16), ( x5 - x7 ) , res_odd[2]); /*res_odd[ 2 ] = ( x5 - x7 ) * cos(5*pi/16) ; */
SBC_IDCT_MULT((SBC_COS_7PI_SUR_16), ( x1 - x3 ) , res_odd[3]); /*res_odd[ 3 ] = ( x1 - x3 ) * cos(7*pi/16) ; */
/* additions and subtractions as in (9) */
pOutVect[0] = (res_even[ 0 ] + res_odd[ 0 ]) ;
pOutVect[1] = (res_even[ 1 ] + res_odd[ 1 ]) ;
pOutVect[2] = (res_even[ 2 ] + res_odd[ 2 ]) ;
pOutVect[3] = (res_even[ 3 ] + res_odd[ 3 ]) ;
pOutVect[7] = (res_even[ 0 ] - res_odd[ 0 ]) ;
pOutVect[6] = (res_even[ 1 ] - res_odd[ 1 ]) ;
pOutVect[5] = (res_even[ 2 ] - res_odd[ 2 ]) ;
pOutVect[4] = (res_even[ 3 ] - res_odd[ 3 ]) ;
#else
UINT8 Index, k;
SINT32 temp;
/*Calculate 4 subband samples by matrixing*/
for(Index=0; Index<8; Index++)
{
temp = 0;
for(k=0; k<16; k++)
{
/*temp += (SINT32)(((SINT64)M[(Index*strEncParams->numOfSubBands*2)+k] * Y[k]) >> 16 );*/
temp += (gas16AnalDCTcoeff8[(Index*8*2)+k] * (pInVect[k] >> 16));
temp += ((gas16AnalDCTcoeff8[(Index*8*2)+k] * (pInVect[k] & 0xFFFF)) >> 16);
}
pOutVect[Index] = temp;
}
#endif
}
/*******************************************************************************
**
** Function SBC_FastIDCT4
**
** Description implementation of fast DCT algorithm by Feig and Winograd
**
**
** Returns y = dct(x0)
**
**
*******************************************************************************/
void SBC_FastIDCT4(SINT32 *pInVect, SINT32 *pOutVect)
{
#if (SBC_FAST_DCT == TRUE)
#if (SBC_ARM_ASM_OPT==TRUE)
#else
#if (SBC_IPAQ_OPT==TRUE)
#if (SBC_IS_64_MULT_IN_IDCT == TRUE)
SINT64 s64Temp;
#endif
#else
#if (SBC_IS_64_MULT_IN_IDCT == TRUE)
SINT32 s32HiTemp;
#else
UINT16 s32In2Temp;
SINT32 s32In1Temp;
#endif
#endif
#endif
SINT32 temp,x2;
SINT32 tmp[8];
x2=pInVect[2]>>1;
temp=(pInVect[0]+pInVect[4]);
SBC_IDCT_MULT((SBC_COS_PI_SUR_4>>1), temp , tmp[0]);
tmp[1]=x2-tmp[0];
tmp[0]+=x2;
temp=(pInVect[1]+pInVect[3]);
SBC_IDCT_MULT((SBC_COS_3PI_SUR_8>>1), temp , tmp[3]);
SBC_IDCT_MULT((SBC_COS_PI_SUR_8>>1), temp , tmp[2]);
temp=(pInVect[5]-pInVect[7]);
SBC_IDCT_MULT((SBC_COS_3PI_SUR_8>>1), temp , tmp[5]);
SBC_IDCT_MULT((SBC_COS_PI_SUR_8>>1), temp , tmp[4]);
tmp[6]=tmp[2]+tmp[5];
tmp[7]=tmp[3]-tmp[4];
pOutVect[0] = (tmp[0]+tmp[6]);
pOutVect[1] = (tmp[1]+tmp[7]);
pOutVect[2] = (tmp[1]-tmp[7]);
pOutVect[3] = (tmp[0]-tmp[6]);
#else
UINT8 Index, k;
SINT32 temp;
/*Calculate 4 subband samples by matrixing*/
for(Index=0; Index<4; Index++)
{
temp = 0;
for(k=0; k<8; k++)
{
/*temp += (SINT32)(((SINT64)M[(Index*strEncParams->numOfSubBands*2)+k] * Y[k]) >> 16 ); */
temp += (gas16AnalDCTcoeff4[(Index*4*2)+k] * (pInVect[k] >> 16));
temp += ((gas16AnalDCTcoeff4[(Index*4*2)+k] * (pInVect[k] & 0xFFFF)) >> 16);
}
pOutVect[Index] = temp;
}
#endif
}

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@ -0,0 +1,200 @@
/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This file contains the coefficient table used for DCT computation in
* analysis.
*
******************************************************************************/
#include "sbc_encoder.h"
/*DCT coeff for 4 sub-band case.*/
#if (SBC_FAST_DCT == FALSE)
const SINT16 gas16AnalDCTcoeff4[] =
{
(SINT16)(0.7071*32768),
(SINT16)(0.9239*32768),
(SINT16)(1.0000*32767),
(SINT16)(0.9239*32768),
(SINT16)(0.7071*32768),
(SINT16)(0.3827*32768),
(SINT16)(0.0000*32768),
(SINT16)(-0.3827*32768),
(SINT16)(-0.7071*32768),
(SINT16)(0.3827*32768),
(SINT16)(1.0000*32767),
(SINT16)(0.3827*32768),
(SINT16)(-0.7071*32768),
(SINT16)(-0.9239*32768),
(SINT16)(-0.0000*32768),
(SINT16)(0.9239*32768),
(SINT16)(-0.7071*32768),
(SINT16)(-0.3827*32768),
(SINT16)(1.0000*32767),
(SINT16)(-0.3827*32768),
(SINT16)(-0.7071*32768),
(SINT16)(0.9239*32768),
(SINT16)(0.0000*32768),
(SINT16)(-0.9239*32768),
(SINT16)(0.7071*32768),
(SINT16)(-0.9239*32768),
(SINT16)(1.0000*32767),
(SINT16)(-0.9239*32768),
(SINT16)(0.7071*32768),
(SINT16)(-0.3827*32768),
(SINT16)(-0.0000*32768),
(SINT16)(0.3827*32768)
};
/*DCT coeff for 8 sub-band case.*/
const SINT16 gas16AnalDCTcoeff8[] =
{
(SINT16)(0.7071*32768),
(SINT16)(0.8315*32768),
(SINT16)(0.9239*32768),
(SINT16)(0.9808*32768),
(SINT16)(1.0000*32767),
(SINT16)(0.9808*32768),
(SINT16)(0.9239*32768),
(SINT16)(0.8315*32768),
(SINT16)(0.7071*32768),
(SINT16)(0.5556*32768),
(SINT16)(0.3827*32768),
(SINT16)(0.1951*32768),
(SINT16)(0.0000*32768),
(SINT16)(-0.1951*32768),
(SINT16)(-0.3827*32768),
(SINT16)(-0.5556*32768),
(SINT16)(-0.7071*32768),
(SINT16)(-0.1951*32768),
(SINT16)(0.3827*32768),
(SINT16)(0.8315*32768),
(SINT16)(1.0000*32767),
(SINT16)(0.8315*32768),
(SINT16)(0.3827*32768),
(SINT16)(-0.1951*32768),
(SINT16)(-0.7071*32768),
(SINT16)(-0.9808*32768),
(SINT16)(-0.9239*32768),
(SINT16)(-0.5556*32768),
(SINT16)(-0.0000*32768),
(SINT16)(0.5556*32768),
(SINT16)(0.9239*32768),
(SINT16)(0.9808*32768),
(SINT16)(-0.7071*32768),
(SINT16)(-0.9808*32768),
(SINT16)(-0.3827*32768),
(SINT16)(0.5556*32768),
(SINT16)(1.0000*32767),
(SINT16)(0.5556*32768),
(SINT16)(-0.3827*32768),
(SINT16)(-0.9808*32768),
(SINT16)(-0.7071*32768),
(SINT16)(0.1951*32768),
(SINT16)(0.9239*32768),
(SINT16)(0.8315*32768),
(SINT16)(0.0000*32768),
(SINT16)(-0.8315*32768),
(SINT16)(-0.9239*32768),
(SINT16)(-0.1951*32768),
(SINT16)(0.7071*32768),
(SINT16)(-0.5556*32768),
(SINT16)(-0.9239*32768),
(SINT16)(0.1951*32768),
(SINT16)(1.0000*32767),
(SINT16)(0.1951*32768),
(SINT16)(-0.9239*32768),
(SINT16)(-0.5556*32768),
(SINT16)(0.7071*32768),
(SINT16)(0.8315*32768),
(SINT16)(-0.3827*32768),
(SINT16)(-0.9808*32768),
(SINT16)(-0.0000*32768),
(SINT16)(0.9808*32768),
(SINT16)(0.3827*32768),
(SINT16)(-0.8315*32768),
(SINT16)(0.7071*32768),
(SINT16)(0.5556*32768),
(SINT16)(-0.9239*32768),
(SINT16)(-0.1951*32768),
(SINT16)(1.0000*32767),
(SINT16)(-0.1951*32768),
(SINT16)(-0.9239*32768),
(SINT16)(0.5556*32768),
(SINT16)(0.7071*32768),
(SINT16)(-0.8315*32768),
(SINT16)(-0.3827*32768),
(SINT16)(0.9808*32768),
(SINT16)(0.0000*32768),
(SINT16)(-0.9808*32768),
(SINT16)(0.3827*32768),
(SINT16)(0.8315*32768),
(SINT16)(-0.7071*32768),
(SINT16)(0.9808*32768),
(SINT16)(-0.3827*32768),
(SINT16)(-0.5556*32768),
(SINT16)(1.0000*32767),
(SINT16)(-0.5556*32768),
(SINT16)(-0.3827*32768),
(SINT16)(0.9808*32768),
(SINT16)(-0.7071*32768),
(SINT16)(-0.1951*32768),
(SINT16)(0.9239*32768),
(SINT16)(-0.8315*32768),
(SINT16)(-0.0000*32768),
(SINT16)(0.8315*32768),
(SINT16)(-0.9239*32768),
(SINT16)(0.1951*32768),
(SINT16)(-0.7071*32768),
(SINT16)(0.1951*32768),
(SINT16)(0.3827*32768),
(SINT16)(-0.8315*32768),
(SINT16)(1.0000*32767),
(SINT16)(-0.8315*32768),
(SINT16)(0.3827*32768),
(SINT16)(0.1951*32768),
(SINT16)(-0.7071*32768),
(SINT16)(0.9808*32768),
(SINT16)(-0.9239*32768),
(SINT16)(0.5556*32768),
(SINT16)(-0.0000*32768),
(SINT16)(-0.5556*32768),
(SINT16)(0.9239*32768),
(SINT16)(-0.9808*32768),
(SINT16)(0.7071*32768),
(SINT16)(-0.8315*32768),
(SINT16)(0.9239*32768),
(SINT16)(-0.9808*32768),
(SINT16)(1.0000*32767),
(SINT16)(-0.9808*32768),
(SINT16)(0.9239*32768),
(SINT16)(-0.8315*32768),
(SINT16)(0.7071*32768),
(SINT16)(-0.5556*32768),
(SINT16)(0.3827*32768),
(SINT16)(-0.1951*32768),
(SINT16)(-0.0000*32768),
(SINT16)(0.1951*32768),
(SINT16)(-0.3827*32768),
(SINT16)(0.5556*32768)
};
#endif

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@ -0,0 +1,199 @@
/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This file contains the code for bit allocation algorithm. It calculates
* the number of bits required for the encoded stream of data.
*
******************************************************************************/
/*Includes*/
#include "sbc_encoder.h"
#include "sbc_enc_func_declare.h"
/*global arrays*/
const SINT16 sbc_enc_as16Offset4[4][4] = { {-1, 0, 0, 0}, {-2, 0, 0, 1},
{-2, 0, 0, 1}, {-2, 0, 0, 1} };
const SINT16 sbc_enc_as16Offset8[4][8] = { {-2, 0, 0, 0, 0, 0, 0, 1},
{-3, 0, 0, 0, 0, 0, 1, 2},
{-4, 0, 0, 0, 0, 0, 1, 2},
{-4, 0, 0, 0, 0, 0, 1, 2} };
/****************************************************************************
* BitAlloc - Calculates the required number of bits for the given scale factor
* and the number of subbands.
*
* RETURNS : N/A
*/
void sbc_enc_bit_alloc_mono(SBC_ENC_PARAMS *pstrCodecParams)
{
SINT32 s32MaxBitNeed; /*to store the max bits needed per sb*/
SINT32 s32BitCount; /*the used number of bits*/
SINT32 s32SliceCount; /*to store hwo many slices can be put in bitpool*/
SINT32 s32BitSlice; /*number of bitslices in bitpool*/
SINT32 s32Sb; /*counter for sub-band*/
SINT32 s32Ch; /*counter for channel*/
SINT16 *ps16BitNeed; /*temp memory to store required number of bits*/
SINT32 s32Loudness; /*used in Loudness calculation*/
SINT16 *ps16GenBufPtr;
SINT16 *ps16GenArrPtr;
SINT16 *ps16GenTabPtr;
SINT32 s32NumOfSubBands = pstrCodecParams->s16NumOfSubBands;
ps16BitNeed = pstrCodecParams->s16ScartchMemForBitAlloc;
for (s32Ch = 0; s32Ch < pstrCodecParams->s16NumOfChannels; s32Ch++)
{
ps16GenBufPtr = ps16BitNeed + (s32Ch*s32NumOfSubBands);
ps16GenArrPtr = pstrCodecParams->as16Bits+(s32Ch*SBC_MAX_NUM_OF_SUBBANDS);
/* bitneed values are derived from scale factor */
if (pstrCodecParams->s16AllocationMethod == SBC_SNR)
{
ps16BitNeed = pstrCodecParams->as16ScaleFactor;
ps16GenBufPtr = ps16BitNeed + (s32Ch * s32NumOfSubBands);
}
else
{
ps16GenBufPtr = ps16BitNeed + (s32Ch*s32NumOfSubBands);
if(s32NumOfSubBands == 4)
{
ps16GenTabPtr = (SINT16 *)
sbc_enc_as16Offset4[pstrCodecParams->s16SamplingFreq];
}
else
{
ps16GenTabPtr = (SINT16 *)
sbc_enc_as16Offset8[pstrCodecParams->s16SamplingFreq];
}
for(s32Sb=0; s32Sb<s32NumOfSubBands; s32Sb++)
{
if(pstrCodecParams->as16ScaleFactor[(s32Ch*s32NumOfSubBands)+s32Sb] == 0)
*(ps16GenBufPtr) = -5;
else
{
s32Loudness =
(SINT32)(pstrCodecParams->as16ScaleFactor[(s32Ch*s32NumOfSubBands)+s32Sb]
- *ps16GenTabPtr);
if(s32Loudness > 0)
*(ps16GenBufPtr) = (SINT16)(s32Loudness >>1);
else
*(ps16GenBufPtr) = (SINT16)s32Loudness;
}
ps16GenBufPtr++;
ps16GenTabPtr++;
}
}
/* max bitneed index is searched*/
s32MaxBitNeed = 0;
ps16GenBufPtr = ps16BitNeed + (s32Ch*s32NumOfSubBands);
for(s32Sb=0; s32Sb<s32NumOfSubBands; s32Sb++)
{
if( *(ps16GenBufPtr) > s32MaxBitNeed)
s32MaxBitNeed = *(ps16GenBufPtr);
ps16GenBufPtr++;
}
ps16GenBufPtr = ps16BitNeed + (s32Ch*s32NumOfSubBands);
/*iterative process to find hwo many bitslices fit into the bitpool*/
s32BitSlice = s32MaxBitNeed + 1;
s32BitCount = pstrCodecParams->s16BitPool;
s32SliceCount = 0;
do
{
s32BitSlice --;
s32BitCount -= s32SliceCount;
s32SliceCount = 0;
for(s32Sb=0; s32Sb<s32NumOfSubBands; s32Sb++)
{
if( (((*ps16GenBufPtr-s32BitSlice)< 16) && ((*ps16GenBufPtr-s32BitSlice) >= 1)))
{
if((*ps16GenBufPtr-s32BitSlice) == 1)
s32SliceCount+=2;
else
s32SliceCount++;
}
ps16GenBufPtr++;
}/*end of for*/
ps16GenBufPtr = ps16BitNeed + (s32Ch*s32NumOfSubBands);
}while((s32BitCount-s32SliceCount)>0);
if(s32BitCount == 0)
{
s32BitCount -= s32SliceCount;
s32BitSlice --;
}
/*Bits are distributed until the last bitslice is reached*/
ps16GenArrPtr = pstrCodecParams->as16Bits+(s32Ch*s32NumOfSubBands);
ps16GenBufPtr = ps16BitNeed + (s32Ch*s32NumOfSubBands);
for(s32Sb=0; s32Sb<s32NumOfSubBands; s32Sb++)
{
if(*(ps16GenBufPtr) < (s32BitSlice+2))
*(ps16GenArrPtr) = 0;
else
*(ps16GenArrPtr) = ((*(ps16GenBufPtr)-s32BitSlice)<16) ?
(SINT16)(*(ps16GenBufPtr)-s32BitSlice) : 16;
ps16GenBufPtr++;
ps16GenArrPtr++;
}
ps16GenArrPtr = pstrCodecParams->as16Bits+(s32Ch*s32NumOfSubBands);
ps16GenBufPtr = ps16BitNeed + (s32Ch*s32NumOfSubBands);
/*the remaining bits are allocated starting at subband 0*/
s32Sb=0;
while( (s32BitCount > 0) && (s32Sb < s32NumOfSubBands) )
{
if( (*(ps16GenArrPtr) >= 2) && (*(ps16GenArrPtr) < 16) )
{
(*(ps16GenArrPtr))++;
s32BitCount--;
}
else if( (*(ps16GenBufPtr) == (s32BitSlice+1)) &&
(s32BitCount > 1) )
{
*(ps16GenArrPtr) = 2;
s32BitCount -= 2;
}
s32Sb++;
ps16GenArrPtr++;
ps16GenBufPtr++;
}
ps16GenArrPtr = pstrCodecParams->as16Bits+(s32Ch*s32NumOfSubBands);
s32Sb=0;
while( (s32BitCount > 0) && (s32Sb < s32NumOfSubBands) )
{
if( *(ps16GenArrPtr) < 16)
{
(*(ps16GenArrPtr))++;
s32BitCount--;
}
s32Sb++;
ps16GenArrPtr++;
}
}
}
/*End of BitAlloc() function*/

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@ -0,0 +1,212 @@
/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This file contains the code for bit allocation algorithm. It calculates
* the number of bits required for the encoded stream of data.
*
******************************************************************************/
/*Includes*/
#include "sbc_encoder.h"
#include "sbc_enc_func_declare.h"
/*global arrays*/
extern const SINT16 sbc_enc_as16Offset4[4][4];
extern const SINT16 sbc_enc_as16Offset8[4][8];
/****************************************************************************
* BitAlloc - Calculates the required number of bits for the given scale factor
* and the number of subbands.
*
* RETURNS : N/A
*/
void sbc_enc_bit_alloc_ste(SBC_ENC_PARAMS *pstrCodecParams)
{
/* CAUTIOM -> mips optim for arm 32 require to use SINT32 instead of SINT16 */
/* Do not change variable type or name */
SINT32 s32MaxBitNeed; /*to store the max bits needed per sb*/
SINT32 s32BitCount; /*the used number of bits*/
SINT32 s32SliceCount; /*to store hwo many slices can be put in bitpool*/
SINT32 s32BitSlice; /*number of bitslices in bitpool*/
SINT32 s32Sb; /*counter for sub-band*/
SINT32 s32Ch; /*counter for channel*/
SINT16 *ps16BitNeed; /*temp memory to store required number of bits*/
SINT32 s32Loudness; /*used in Loudness calculation*/
SINT16 *ps16GenBufPtr,*pas16ScaleFactor;
SINT16 *ps16GenArrPtr;
SINT16 *ps16GenTabPtr;
SINT32 s32NumOfSubBands = pstrCodecParams->s16NumOfSubBands;
SINT32 s32BitPool = pstrCodecParams->s16BitPool;
/* bitneed values are derived from scale factor */
if (pstrCodecParams->s16AllocationMethod == SBC_SNR)
{
ps16BitNeed = pstrCodecParams->as16ScaleFactor;
s32MaxBitNeed = pstrCodecParams->s16MaxBitNeed;
}
else
{
ps16BitNeed = pstrCodecParams->s16ScartchMemForBitAlloc;
pas16ScaleFactor=pstrCodecParams->as16ScaleFactor;
s32MaxBitNeed = 0;
ps16GenBufPtr = ps16BitNeed;
for (s32Ch = 0; s32Ch < 2; s32Ch++)
{
if (s32NumOfSubBands == 4)
{
ps16GenTabPtr = (SINT16 *)sbc_enc_as16Offset4[pstrCodecParams->s16SamplingFreq];
}
else
{
ps16GenTabPtr = (SINT16 *)sbc_enc_as16Offset8[pstrCodecParams->s16SamplingFreq];
}
for (s32Sb = 0; s32Sb < s32NumOfSubBands; s32Sb++)
{
if (*pas16ScaleFactor == 0)
*ps16GenBufPtr = -5;
else
{
s32Loudness = (SINT32)(*pas16ScaleFactor - *ps16GenTabPtr);
if (s32Loudness > 0)
*ps16GenBufPtr = (SINT16)(s32Loudness >> 1);
else
*ps16GenBufPtr = (SINT16)s32Loudness;
}
if (*ps16GenBufPtr > s32MaxBitNeed)
s32MaxBitNeed = *ps16GenBufPtr;
pas16ScaleFactor++;
ps16GenBufPtr++;
ps16GenTabPtr++;
}
}
}
/* iterative process to find out hwo many bitslices fit into the bitpool */
s32BitSlice = s32MaxBitNeed + 1;
s32BitCount = s32BitPool;
s32SliceCount = 0;
do
{
s32BitSlice --;
s32BitCount -= s32SliceCount;
s32SliceCount = 0;
ps16GenBufPtr = ps16BitNeed;
for (s32Sb = 0; s32Sb < (2*s32NumOfSubBands); s32Sb++)
{
if ( (*ps16GenBufPtr >= (s32BitSlice + 1)) && (*ps16GenBufPtr < (s32BitSlice + 16)) )
{
if (*(ps16GenBufPtr) == (s32BitSlice+1))
s32SliceCount += 2;
else
s32SliceCount++;
}
ps16GenBufPtr++;
}
} while ((s32BitCount-s32SliceCount)>0);
if ((s32BitCount-s32SliceCount) == 0)
{
s32BitCount -= s32SliceCount;
s32BitSlice --;
}
/* Bits are distributed until the last bitslice is reached */
ps16GenBufPtr = ps16BitNeed;
ps16GenArrPtr = pstrCodecParams->as16Bits;
for (s32Ch = 0; s32Ch < 2; s32Ch++)
{
for (s32Sb = 0; s32Sb < s32NumOfSubBands; s32Sb++)
{
if (*ps16GenBufPtr < (s32BitSlice+2))
*ps16GenArrPtr = 0;
else
*ps16GenArrPtr = ((*(ps16GenBufPtr)-s32BitSlice) < 16) ?
(SINT16)(*(ps16GenBufPtr)-s32BitSlice):16;
ps16GenBufPtr++;
ps16GenArrPtr++;
}
}
/* the remaining bits are allocated starting at subband 0 */
s32Ch=0;
s32Sb=0;
ps16GenBufPtr = ps16BitNeed;
ps16GenArrPtr -= 2*s32NumOfSubBands;
while ( (s32BitCount > 0) && (s32Sb < s32NumOfSubBands) )
{
if ( (*(ps16GenArrPtr) >= 2) && (*(ps16GenArrPtr) < 16) )
{
(*(ps16GenArrPtr))++;
s32BitCount--;
}
else if ((*ps16GenBufPtr == (s32BitSlice+1)) && (s32BitCount > 1))
{
*(ps16GenArrPtr) = 2;
s32BitCount -= 2;
}
if(s32Ch == 1)
{
s32Ch = 0;
s32Sb++;
ps16GenBufPtr = ps16BitNeed+s32Sb;
ps16GenArrPtr = pstrCodecParams->as16Bits+s32Sb;
}
else
{
s32Ch =1;
ps16GenBufPtr = ps16BitNeed+s32NumOfSubBands+s32Sb;
ps16GenArrPtr = pstrCodecParams->as16Bits+s32NumOfSubBands+s32Sb;
}
}
s32Ch=0;
s32Sb=0;
ps16GenArrPtr = pstrCodecParams->as16Bits;
while ((s32BitCount >0) && (s32Sb < s32NumOfSubBands))
{
if(*(ps16GenArrPtr) < 16)
{
(*(ps16GenArrPtr))++;
s32BitCount--;
}
if (s32Ch == 1)
{
s32Ch = 0;
s32Sb++;
ps16GenArrPtr = pstrCodecParams->as16Bits+s32Sb;
}
else
{
s32Ch = 1;
ps16GenArrPtr = pstrCodecParams->as16Bits+s32NumOfSubBands+s32Sb;
}
}
}
/*End of BitAlloc() function*/

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/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This file contains the Windowing coeffs for synthesis filter
*
******************************************************************************/
#include "sbc_encoder.h"
#if (SBC_ARM_ASM_OPT==FALSE && SBC_IPAQ_OPT==FALSE)
#if (SBC_IS_64_MULT_IN_WINDOW_ACCU == FALSE)
/*Window coeff for 4 sub band case*/
const SINT16 gas32CoeffFor4SBs[] =
{
(SINT16)((SINT32)0x00000000 >> 16), (SINT16)0x00000000,
(SINT16)((SINT32)0x001194E6 >> 16), (SINT16)0x001194E6,
(SINT16)((SINT32)0x0030E2D3 >> 16), (SINT16)0x0030E2D3,
(SINT16)((SINT32)0x00599403 >> 16), (SINT16)0x00599403,
(SINT16)((SINT32)0x007DBCC8 >> 16), (SINT16)0x007DBCC8,
(SINT16)((SINT32)0x007F88E4 >> 16), (SINT16)0x007F88E4,
(SINT16)((SINT32)0x003D239B >> 16), (SINT16)0x003D239B,
(SINT16)((SINT32)0xFF9BB9D5 >> 16), (SINT16)0xFF9BB9D5,
(SINT16)((SINT32)0x01659F45 >> 16), (SINT16)0x01659F45,
(SINT16)((SINT32)0x029DBAA3 >> 16), (SINT16)0x029DBAA3,
(SINT16)((SINT32)0x03B23341 >> 16), (SINT16)0x03B23341,
(SINT16)((SINT32)0x041EEE40 >> 16), (SINT16)0x041EEE40,
(SINT16)((SINT32)0x034FEE2C >> 16), (SINT16)0x034FEE2C,
(SINT16)((SINT32)0x00C8F2BC >> 16), (SINT16)0x00C8F2BC,
(SINT16)((SINT32)0xFC4F91D4 >> 16), (SINT16)0xFC4F91D4,
(SINT16)((SINT32)0xF60FAF37 >> 16), (SINT16)0xF60FAF37,
(SINT16)((SINT32)0x115B1ED2 >> 16), (SINT16)0x115B1ED2,
(SINT16)((SINT32)0x18F55C90 >> 16), (SINT16)0x18F55C90,
(SINT16)((SINT32)0x1F91CA46 >> 16), (SINT16)0x1F91CA46,
(SINT16)((SINT32)0x2412F251 >> 16), (SINT16)0x2412F251,
(SINT16)((SINT32)0x25AC1FF2 >> 16), (SINT16)0x25AC1FF2,
(SINT16)((SINT32)0x2412F251 >> 16), (SINT16)0x2412F251,
(SINT16)((SINT32)0x1F91CA46 >> 16), (SINT16)0x1F91CA46,
(SINT16)((SINT32)0x18F55C90 >> 16), (SINT16)0x18F55C90,
(SINT16)((SINT32)0xEEA4E12E >> 16), (SINT16)0xEEA4E12E,
(SINT16)((SINT32)0xF60FAF37 >> 16), (SINT16)0xF60FAF37,
(SINT16)((SINT32)0xFC4F91D4 >> 16), (SINT16)0xFC4F91D4,
(SINT16)((SINT32)0x00C8F2BC >> 16), (SINT16)0x00C8F2BC,
(SINT16)((SINT32)0x034FEE2C >> 16), (SINT16)0x034FEE2C,
(SINT16)((SINT32)0x041EEE40 >> 16), (SINT16)0x041EEE40,
(SINT16)((SINT32)0x03B23341 >> 16), (SINT16)0x03B23341,
(SINT16)((SINT32)0x029DBAA3 >> 16), (SINT16)0x029DBAA3,
(SINT16)((SINT32)0xFE9A60BB >> 16), (SINT16)0xFE9A60BB,
(SINT16)((SINT32)0xFF9BB9D5 >> 16), (SINT16)0xFF9BB9D5,
(SINT16)((SINT32)0x003D239B >> 16), (SINT16)0x003D239B,
(SINT16)((SINT32)0x007F88E4 >> 16), (SINT16)0x007F88E4,
(SINT16)((SINT32)0x007DBCC8 >> 16), (SINT16)0x007DBCC8,
(SINT16)((SINT32)0x00599403 >> 16), (SINT16)0x00599403,
(SINT16)((SINT32)0x0030E2D3 >> 16), (SINT16)0x0030E2D3,
(SINT16)((SINT32)0x001194E6 >> 16), (SINT16)0x001194E6
};
/*Window coeff for 8 sub band case*/
const SINT16 gas32CoeffFor8SBs[] =
{
(SINT16)((SINT32)0x00000000 >>16), (SINT16)0x00000000,
(SINT16)((SINT32)0x00052173 >>16), (SINT16)0x00052173,
(SINT16)((SINT32)0x000B3F71 >>16), (SINT16)0x000B3F71,
(SINT16)((SINT32)0x00122C7D >>16), (SINT16)0x00122C7D,
(SINT16)((SINT32)0x001AFF89 >>16), (SINT16)0x001AFF89,
(SINT16)((SINT32)0x00255A62 >>16), (SINT16)0x00255A62,
(SINT16)((SINT32)0x003060F4 >>16), (SINT16)0x003060F4,
(SINT16)((SINT32)0x003A72E7 >>16), (SINT16)0x003A72E7,
(SINT16)((SINT32)0x0041EC6A >>16), (SINT16)0x0041EC6A, /* 8 */
(SINT16)((SINT32)0x0044EF48 >>16), (SINT16)0x0044EF48,
(SINT16)((SINT32)0x00415B75 >>16), (SINT16)0x00415B75,
(SINT16)((SINT32)0x0034F8B6 >>16), (SINT16)0x0034F8B6,
(SINT16)((SINT32)0x001D8FD2 >>16), (SINT16)0x001D8FD2,
(SINT16)((SINT32)0xFFFA2413 >>16), (SINT16)0xFFFA2413,
(SINT16)((SINT32)0xFFC9F10E >>16), (SINT16)0xFFC9F10E,
(SINT16)((SINT32)0xFF8D6793 >>16), (SINT16)0xFF8D6793,
(SINT16)((SINT32)0x00B97348 >>16), (SINT16)0x00B97348, /* 16 */
(SINT16)((SINT32)0x01071B96 >>16), (SINT16)0x01071B96,
(SINT16)((SINT32)0x0156B3CA >>16), (SINT16)0x0156B3CA,
(SINT16)((SINT32)0x01A1B38B >>16), (SINT16)0x01A1B38B,
(SINT16)((SINT32)0x01E0224C >>16), (SINT16)0x01E0224C,
(SINT16)((SINT32)0x0209291F >>16), (SINT16)0x0209291F,
(SINT16)((SINT32)0x02138653 >>16), (SINT16)0x02138653,
(SINT16)((SINT32)0x01F5F424 >>16), (SINT16)0x01F5F424,
(SINT16)((SINT32)0x01A7ECEF >>16), (SINT16)0x01A7ECEF, /* 24 */
(SINT16)((SINT32)0x01223EBA >>16), (SINT16)0x01223EBA,
(SINT16)((SINT32)0x005FD0FF >>16), (SINT16)0x005FD0FF,
(SINT16)((SINT32)0xFF5EEB73 >>16), (SINT16)0xFF5EEB73,
(SINT16)((SINT32)0xFE20435D >>16), (SINT16)0xFE20435D,
(SINT16)((SINT32)0xFCA86E7E >>16), (SINT16)0xFCA86E7E,
(SINT16)((SINT32)0xFAFF95FC >>16), (SINT16)0xFAFF95FC,
(SINT16)((SINT32)0xF9312891 >>16), (SINT16)0xF9312891,
(SINT16)((SINT32)0x08B4307A >>16), (SINT16)0x08B4307A, /* 32 */
(SINT16)((SINT32)0x0A9F3E9A >>16), (SINT16)0x0A9F3E9A,
(SINT16)((SINT32)0x0C7D59B6 >>16), (SINT16)0x0C7D59B6,
(SINT16)((SINT32)0x0E3BB16F >>16), (SINT16)0x0E3BB16F,
(SINT16)((SINT32)0x0FC721F9 >>16), (SINT16)0x0FC721F9,
(SINT16)((SINT32)0x110ECEF0 >>16), (SINT16)0x110ECEF0,
(SINT16)((SINT32)0x120435FA >>16), (SINT16)0x120435FA,
(SINT16)((SINT32)0x129C226F >>16), (SINT16)0x129C226F,
(SINT16)((SINT32)0x12CF6C75 >>16), (SINT16)0x12CF6C75, /* 40 */
(SINT16)((SINT32)0x129C226F >>16), (SINT16)0x129C226F,
(SINT16)((SINT32)0x120435FA >>16), (SINT16)0x120435FA,
(SINT16)((SINT32)0x110ECEF0 >>16), (SINT16)0x110ECEF0,
(SINT16)((SINT32)0x0FC721F9 >>16), (SINT16)0x0FC721F9,
(SINT16)((SINT32)0x0E3BB16F >>16), (SINT16)0x0E3BB16F,
(SINT16)((SINT32)0x0C7D59B6 >>16), (SINT16)0x0C7D59B6,
(SINT16)((SINT32)0x0A9F3E9A >>16), (SINT16)0x0A9F3E9A,
(SINT16)((SINT32)0xF74BCF86 >>16), (SINT16)0xF74BCF86, /* 48 */
(SINT16)((SINT32)0xF9312891 >>16), (SINT16)0xF9312891,
(SINT16)((SINT32)0xFAFF95FC >>16), (SINT16)0xFAFF95FC,
(SINT16)((SINT32)0xFCA86E7E >>16), (SINT16)0xFCA86E7E,
(SINT16)((SINT32)0xFE20435D >>16), (SINT16)0xFE20435D,
(SINT16)((SINT32)0xFF5EEB73 >>16), (SINT16)0xFF5EEB73,
(SINT16)((SINT32)0x005FD0FF >>16), (SINT16)0x005FD0FF,
(SINT16)((SINT32)0x01223EBA >>16), (SINT16)0x01223EBA,
(SINT16)((SINT32)0x01A7ECEF >>16), (SINT16)0x01A7ECEF, /* 56 */
(SINT16)((SINT32)0x01F5F424 >>16), (SINT16)0x01F5F424,
(SINT16)((SINT32)0x02138653 >>16), (SINT16)0x02138653,
(SINT16)((SINT32)0x0209291F >>16), (SINT16)0x0209291F,
(SINT16)((SINT32)0x01E0224C >>16), (SINT16)0x01E0224C,
(SINT16)((SINT32)0x01A1B38B >>16), (SINT16)0x01A1B38B,
(SINT16)((SINT32)0x0156B3CA >>16), (SINT16)0x0156B3CA,
(SINT16)((SINT32)0x01071B96 >>16), (SINT16)0x01071B96,
(SINT16)((SINT32)0xFF468CB8 >>16), (SINT16)0xFF468CB8, /* 64 */
(SINT16)((SINT32)0xFF8D6793 >>16), (SINT16)0xFF8D6793,
(SINT16)((SINT32)0xFFC9F10E >>16), (SINT16)0xFFC9F10E,
(SINT16)((SINT32)0xFFFA2413 >>16), (SINT16)0xFFFA2413,
(SINT16)((SINT32)0x001D8FD2 >>16), (SINT16)0x001D8FD2,
(SINT16)((SINT32)0x0034F8B6 >>16), (SINT16)0x0034F8B6,
(SINT16)((SINT32)0x00415B75 >>16), (SINT16)0x00415B75,
(SINT16)((SINT32)0x0044EF48 >>16), (SINT16)0x0044EF48,
(SINT16)((SINT32)0x0041EC6A >>16), (SINT16)0x0041EC6A, /* 72 */
(SINT16)((SINT32)0x003A72E7 >>16), (SINT16)0x003A72E7,
(SINT16)((SINT32)0x003060F4 >>16), (SINT16)0x003060F4,
(SINT16)((SINT32)0x00255A62 >>16), (SINT16)0x00255A62,
(SINT16)((SINT32)0x001AFF89 >>16), (SINT16)0x001AFF89,
(SINT16)((SINT32)0x00122C7D >>16), (SINT16)0x00122C7D,
(SINT16)((SINT32)0x000B3F71 >>16), (SINT16)0x000B3F71,
(SINT16)((SINT32)0x00052173 >>16), (SINT16)0x00052173
};
#else
/*Window coeff for 4 sub band case*/
const SINT32 gas32CoeffFor4SBs[] =
{
(SINT32)0x00000000,
(SINT32)0x001194E6,
(SINT32)0x0030E2D3,
(SINT32)0x00599403,
(SINT32)0x007DBCC8,
(SINT32)0x007F88E4,
(SINT32)0x003D239B,
(SINT32)0xFF9BB9D5,
(SINT32)0x01659F45,
(SINT32)0x029DBAA3,
(SINT32)0x03B23341,
(SINT32)0x041EEE40,
(SINT32)0x034FEE2C,
(SINT32)0x00C8F2BC,
(SINT32)0xFC4F91D4,
(SINT32)0xF60FAF37,
(SINT32)0x115B1ED2,
(SINT32)0x18F55C90,
(SINT32)0x1F91CA46,
(SINT32)0x2412F251,
(SINT32)0x25AC1FF2,
(SINT32)0x2412F251,
(SINT32)0x1F91CA46,
(SINT32)0x18F55C90,
(SINT32)0xEEA4E12E,
(SINT32)0xF60FAF37,
(SINT32)0xFC4F91D4,
(SINT32)0x00C8F2BC,
(SINT32)0x034FEE2C,
(SINT32)0x041EEE40,
(SINT32)0x03B23341,
(SINT32)0x029DBAA3,
(SINT32)0xFE9A60BB,
(SINT32)0xFF9BB9D5,
(SINT32)0x003D239B,
(SINT32)0x007F88E4,
(SINT32)0x007DBCC8,
(SINT32)0x00599403,
(SINT32)0x0030E2D3,
(SINT32)0x001194E6
};
/*Window coeff for 8 sub band case*/
const SINT32 gas32CoeffFor8SBs[] =
{
(SINT32)0x00000000,
(SINT32)0x00052173,
(SINT32)0x000B3F71,
(SINT32)0x00122C7D,
(SINT32)0x001AFF89,
(SINT32)0x00255A62,
(SINT32)0x003060F4,
(SINT32)0x003A72E7,
(SINT32)0x0041EC6A, /* 8 */
(SINT32)0x0044EF48,
(SINT32)0x00415B75,
(SINT32)0x0034F8B6,
(SINT32)0x001D8FD2,
(SINT32)0xFFFA2413,
(SINT32)0xFFC9F10E,
(SINT32)0xFF8D6793,
(SINT32)0x00B97348, /* 16 */
(SINT32)0x01071B96,
(SINT32)0x0156B3CA,
(SINT32)0x01A1B38B,
(SINT32)0x01E0224C,
(SINT32)0x0209291F,
(SINT32)0x02138653,
(SINT32)0x01F5F424,
(SINT32)0x01A7ECEF, /* 24 */
(SINT32)0x01223EBA,
(SINT32)0x005FD0FF,
(SINT32)0xFF5EEB73,
(SINT32)0xFE20435D,
(SINT32)0xFCA86E7E,
(SINT32)0xFAFF95FC,
(SINT32)0xF9312891,
(SINT32)0x08B4307A, /* 32 */
(SINT32)0x0A9F3E9A,
(SINT32)0x0C7D59B6,
(SINT32)0x0E3BB16F,
(SINT32)0x0FC721F9,
(SINT32)0x110ECEF0,
(SINT32)0x120435FA,
(SINT32)0x129C226F,
(SINT32)0x12CF6C75, /* 40 */
(SINT32)0x129C226F,
(SINT32)0x120435FA,
(SINT32)0x110ECEF0,
(SINT32)0x0FC721F9,
(SINT32)0x0E3BB16F,
(SINT32)0x0C7D59B6,
(SINT32)0x0A9F3E9A,
(SINT32)0xF74BCF86, /* 48 */
(SINT32)0xF9312891,
(SINT32)0xFAFF95FC,
(SINT32)0xFCA86E7E,
(SINT32)0xFE20435D,
(SINT32)0xFF5EEB73,
(SINT32)0x005FD0FF,
(SINT32)0x01223EBA,
(SINT32)0x01A7ECEF, /* 56 */
(SINT32)0x01F5F424,
(SINT32)0x02138653,
(SINT32)0x0209291F,
(SINT32)0x01E0224C,
(SINT32)0x01A1B38B,
(SINT32)0x0156B3CA,
(SINT32)0x01071B96,
(SINT32)0xFF468CB8, /* 64 */
(SINT32)0xFF8D6793,
(SINT32)0xFFC9F10E,
(SINT32)0xFFFA2413,
(SINT32)0x001D8FD2,
(SINT32)0x0034F8B6,
(SINT32)0x00415B75,
(SINT32)0x0044EF48,
(SINT32)0x0041EC6A, /* 72 */
(SINT32)0x003A72E7,
(SINT32)0x003060F4,
(SINT32)0x00255A62,
(SINT32)0x001AFF89,
(SINT32)0x00122C7D,
(SINT32)0x000B3F71,
(SINT32)0x00052173
};
#endif
#endif

View file

@ -0,0 +1,401 @@
/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* contains code for encoder flow and initalization of encoder
*
******************************************************************************/
#include <string.h>
#include "sbc_encoder.h"
#include "sbc_enc_func_declare.h"
SINT16 EncMaxShiftCounter;
/*************************************************************************************************
* SBC encoder scramble code
* Purpose: to tie the SBC code with BTE/mobile stack code,
* especially for the case when the SBC is ported into a third-party Multimedia chip
*
* Algorithm:
* init process: all counters reset to 0,
* calculate base_index: (6 + s16NumOfChannels*s16NumOfSubBands/2)
* scramble side: the init process happens every time SBC_Encoder_Init() is called.
* descramble side: it would be nice to know if he "init" process has happened.
* alter the SBC SYNC word 0x9C (1001 1100) to 0x8C (1000 1100).
*
* scramble process:
* The CRC byte:
* Every SBC frame has a frame header.
* The 1st byte is the sync word and the following 2 bytes are about the stream format.
* They are supposed to be "constant" within a "song"
* The 4th byte is the CRC byte. The CRC byte is bound to be random.
* Derive 2 items from the CRC byte; one is the "use" bit, the other is the "index".
*
* SBC keeps 2 sets of "use" & "index"; derived the current and the previous frame.
*
* The "use" bit is any bit in SBC_PRTC_USE_MASK is set.
* If set, SBC uses the "index" from the current frame.
* If not set, SBC uses the "index" from the previous frame or 0.
*
* index = (CRC & 0x3) + ((CRC & 0x30) >> 2) // 8 is the max index
*
* if(index > 0)
* {
* p = &u8frame[base_index];
* if((index&1)&&(u16PacketLength > (base_index+index*2)))
* {
* // odd index: swap 2 bytes
* tmp = p[index];
* p[index] = p[index*2];
* p[index*2] = tmp;
* }
* else
* {
* // even index: shift by 3
* tmp = (p[index] >> 5) + (p[index] << 3);
* p[index] = tmp;
* }
* }
* //else index is 0. The frame stays unaltered
*
*/
#define SBC_PRTC_CRC_IDX 3
#define SBC_PRTC_USE_MASK 0x64
#define SBC_PRTC_SYNC_MASK 0x10
#define SBC_PRTC_CIDX 0
#define SBC_PRTC_LIDX 1
typedef struct
{
UINT8 use;
UINT8 idx;
} tSBC_FR_CB;
typedef struct
{
tSBC_FR_CB fr[2];
UINT8 init;
UINT8 index;
UINT8 base;
} tSBC_PRTC_CB;
tSBC_PRTC_CB sbc_prtc_cb;
#define SBC_PRTC_IDX(sc) (((sc) & 0x3) + (((sc) & 0x30) >> 2))
#define SBC_PRTC_CHK_INIT(ar) {if(sbc_prtc_cb.init == 0){sbc_prtc_cb.init=1; ar[0] &= ~SBC_PRTC_SYNC_MASK;}}
#define SBC_PRTC_C2L() {p_last=&sbc_prtc_cb.fr[SBC_PRTC_LIDX]; p_cur=&sbc_prtc_cb.fr[SBC_PRTC_CIDX]; \
p_last->idx = p_cur->idx; p_last->use = p_cur->use;}
#define SBC_PRTC_GETC(ar) {p_cur->use = ar[SBC_PRTC_CRC_IDX] & SBC_PRTC_USE_MASK; \
p_cur->idx = SBC_PRTC_IDX(ar[SBC_PRTC_CRC_IDX]);}
#define SBC_PRTC_CHK_CRC(ar) {SBC_PRTC_C2L();SBC_PRTC_GETC(ar);sbc_prtc_cb.index = (p_cur->use)?SBC_PRTC_CIDX:SBC_PRTC_LIDX;}
#define SBC_PRTC_SCRMB(ar) {idx = sbc_prtc_cb.fr[sbc_prtc_cb.index].idx; \
if(idx > 0){if((idx&1)&&(pstrEncParams->u16PacketLength > (sbc_prtc_cb.base+(idx<<1)))) {tmp2=idx<<1; tmp=ar[idx];ar[idx]=ar[tmp2];ar[tmp2]=tmp;} \
else{tmp2=ar[idx]; tmp=(tmp2>>5)+(tmp2<<3);ar[idx]=(UINT8)tmp;}}}
#if (SBC_JOINT_STE_INCLUDED == TRUE)
SINT32 s32LRDiff[SBC_MAX_NUM_OF_BLOCKS] = {0};
SINT32 s32LRSum[SBC_MAX_NUM_OF_BLOCKS] = {0};
#endif
void SBC_Encoder(SBC_ENC_PARAMS *pstrEncParams)
{
SINT32 s32Ch; /* counter for ch*/
SINT32 s32Sb; /* counter for sub-band*/
UINT32 u32Count, maxBit = 0; /* loop count*/
SINT32 s32MaxValue; /* temp variable to store max value */
SINT16 *ps16ScfL;
SINT32 *SbBuffer;
SINT32 s32Blk; /* counter for block*/
SINT32 s32NumOfBlocks = pstrEncParams->s16NumOfBlocks;
#if (SBC_JOINT_STE_INCLUDED == TRUE)
SINT32 s32MaxValue2;
UINT32 u32CountSum,u32CountDiff;
SINT32 *pSum, *pDiff;
#endif
/* BK4BTSTACK_CHANGE START */
// UINT8 *pu8;
// tSBC_FR_CB *p_cur, *p_last;
// UINT32 idx, tmp, tmp2;
/* BK4BTSTACK_CHANGE STOP */
register SINT32 s32NumOfSubBands = pstrEncParams->s16NumOfSubBands;
pstrEncParams->pu8NextPacket = pstrEncParams->pu8Packet;
#if (SBC_NO_PCM_CPY_OPTION == TRUE)
pstrEncParams->ps16NextPcmBuffer = pstrEncParams->ps16PcmBuffer;
#else
pstrEncParams->ps16NextPcmBuffer = pstrEncParams->as16PcmBuffer;
#endif
do
{
/* SBC ananlysis filter*/
if (s32NumOfSubBands == 4)
SbcAnalysisFilter4(pstrEncParams);
else
SbcAnalysisFilter8(pstrEncParams);
/* compute the scale factor, and save the max */
ps16ScfL = pstrEncParams->as16ScaleFactor;
s32Ch=pstrEncParams->s16NumOfChannels*s32NumOfSubBands;
pstrEncParams->ps16NextPcmBuffer+=s32Ch*s32NumOfBlocks; /* in case of multible sbc frame to encode update the pcm pointer */
for (s32Sb=0; s32Sb<s32Ch; s32Sb++)
{
SbBuffer=pstrEncParams->s32SbBuffer+s32Sb;
s32MaxValue=0;
for (s32Blk=s32NumOfBlocks;s32Blk>0;s32Blk--)
{
if (s32MaxValue<abs32(*SbBuffer))
s32MaxValue=abs32(*SbBuffer);
SbBuffer+=s32Ch;
}
u32Count = (s32MaxValue > 0x800000) ? 9 : 0;
for ( ; u32Count < 15; u32Count++)
{
if (s32MaxValue <= (SINT32)(0x8000 << u32Count))
break;
}
*ps16ScfL++ = (SINT16)u32Count;
if (u32Count > maxBit)
maxBit = u32Count;
}
/* In case of JS processing,check whether to use JS */
#if (SBC_JOINT_STE_INCLUDED == TRUE)
if (pstrEncParams->s16ChannelMode == SBC_JOINT_STEREO)
{
/* Calculate sum and differance scale factors for making JS decision */
ps16ScfL = pstrEncParams->as16ScaleFactor ;
/* calculate the scale factor of Joint stereo max sum and diff */
for (s32Sb = 0; s32Sb < (s32NumOfSubBands-1); s32Sb++)
{
SbBuffer=pstrEncParams->s32SbBuffer+s32Sb;
s32MaxValue2=0;
s32MaxValue=0;
pSum = s32LRSum;
pDiff = s32LRDiff;
for (s32Blk=0;s32Blk<s32NumOfBlocks;s32Blk++)
{
*pSum=(*SbBuffer+*(SbBuffer+s32NumOfSubBands))>>1;
if (abs32(*pSum)>s32MaxValue)
s32MaxValue=abs32(*pSum);
pSum++;
*pDiff=(*SbBuffer-*(SbBuffer+s32NumOfSubBands))>>1;
if (abs32(*pDiff)>s32MaxValue2)
s32MaxValue2=abs32(*pDiff);
pDiff++;
SbBuffer+=s32Ch;
}
u32Count = (s32MaxValue > 0x800000) ? 9 : 0;
for ( ; u32Count < 15; u32Count++)
{
if (s32MaxValue <= (SINT32)(0x8000 << u32Count))
break;
}
u32CountSum=u32Count;
u32Count = (s32MaxValue2 > 0x800000) ? 9 : 0;
for ( ; u32Count < 15; u32Count++)
{
if (s32MaxValue2 <= (SINT32)(0x8000 << u32Count))
break;
}
u32CountDiff=u32Count;
if ( (*ps16ScfL + *(ps16ScfL+s32NumOfSubBands)) > (SINT16)(u32CountSum + u32CountDiff) )
{
if (u32CountSum > maxBit)
maxBit = u32CountSum;
if (u32CountDiff > maxBit)
maxBit = u32CountDiff;
*ps16ScfL = (SINT16)u32CountSum;
*(ps16ScfL+s32NumOfSubBands) = (SINT16)u32CountDiff;
SbBuffer=pstrEncParams->s32SbBuffer+s32Sb;
pSum = s32LRSum;
pDiff = s32LRDiff;
for (s32Blk = 0; s32Blk < s32NumOfBlocks; s32Blk++)
{
*SbBuffer = *pSum;
*(SbBuffer+s32NumOfSubBands) = *pDiff;
SbBuffer += s32NumOfSubBands<<1;
pSum++;
pDiff++;
}
pstrEncParams->as16Join[s32Sb] = 1;
}
else
{
pstrEncParams->as16Join[s32Sb] = 0;
}
ps16ScfL++;
}
pstrEncParams->as16Join[s32Sb] = 0;
}
#endif
pstrEncParams->s16MaxBitNeed = (SINT16)maxBit;
/* bit allocation */
if ((pstrEncParams->s16ChannelMode == SBC_STEREO) || (pstrEncParams->s16ChannelMode == SBC_JOINT_STEREO))
sbc_enc_bit_alloc_ste(pstrEncParams);
else
sbc_enc_bit_alloc_mono(pstrEncParams);
/* save the beginning of the frame. pu8NextPacket is modified in EncPacking() */
// pu8 = pstrEncParams->pu8NextPacket;
/* Quantize the encoded audio */
EncPacking(pstrEncParams);
}
while(--(pstrEncParams->u8NumPacketToEncode));
pstrEncParams->u8NumPacketToEncode = 1; /* default is one for retrocompatibility purpose */
}
/****************************************************************************
* InitSbcAnalysisFilt - Initalizes the input data to 0
*
* RETURNS : N/A
*/
void SBC_Encoder_Init(SBC_ENC_PARAMS *pstrEncParams)
{
// UINT16 s16SamplingFreq; /*temp variable to store smpling freq*/
SINT16 s16Bitpool; /*to store bit pool value*/
// SINT16 s16BitRate; /*to store bitrate*/
// SINT16 s16FrameLen; /*to store frame length*/
UINT16 HeaderParams;
pstrEncParams->u8NumPacketToEncode = 1; /* default is one for retrocompatibility purpose */
/* Required number of channels */
if (pstrEncParams->s16ChannelMode == SBC_MONO)
pstrEncParams->s16NumOfChannels = 1;
else
pstrEncParams->s16NumOfChannels = 2;
/* BK4BTSTACK_CHANGE START */
/* Bit pool calculation */
// if (pstrEncParams->s16SamplingFreq == SBC_sf16000)
// s16SamplingFreq = 16000;
// else if (pstrEncParams->s16SamplingFreq == SBC_sf32000)
// s16SamplingFreq = 32000;
// else if (pstrEncParams->s16SamplingFreq == SBC_sf44100)
// s16SamplingFreq = 44100;
// else
// s16SamplingFreq = 48000;
/* BK4BTSTACK_CHANGE END */
if ( (pstrEncParams->s16ChannelMode == SBC_JOINT_STEREO)
|| (pstrEncParams->s16ChannelMode == SBC_STEREO) )
{
/* BK4BTSTACK_CHANGE START */
// s16Bitpool = (SINT16)( (pstrEncParams->u16BitRate *
// pstrEncParams->s16NumOfSubBands * 1000 / s16SamplingFreq)
// -( (32 + (4 * pstrEncParams->s16NumOfSubBands *
// pstrEncParams->s16NumOfChannels)
// + ( (pstrEncParams->s16ChannelMode - 2) *
// pstrEncParams->s16NumOfSubBands ) )
// / pstrEncParams->s16NumOfBlocks) );
s16Bitpool = pstrEncParams->s16BitPool;
// s16FrameLen = 4 + (4*pstrEncParams->s16NumOfSubBands*
// pstrEncParams->s16NumOfChannels)/8
// + ( ((pstrEncParams->s16ChannelMode - 2) *
// pstrEncParams->s16NumOfSubBands)
// + (pstrEncParams->s16NumOfBlocks * s16Bitpool) ) / 8;
// s16BitRate = (8 * s16FrameLen * s16SamplingFreq)
// / (pstrEncParams->s16NumOfSubBands *
// pstrEncParams->s16NumOfBlocks * 1000);
// if (s16BitRate > pstrEncParams->u16BitRate)
// s16Bitpool--;
/* BK4BTSTACK_CHANGE END */
if(pstrEncParams->s16NumOfSubBands == 8)
pstrEncParams->s16BitPool = (s16Bitpool > 255) ? 255 : s16Bitpool;
else
pstrEncParams->s16BitPool = (s16Bitpool > 128) ? 128 : s16Bitpool;
}
else
{
if (!pstrEncParams->mSBCEnabled){
/* BK4BTSTACK_CHANGE START */
// s16Bitpool = (SINT16)( ((pstrEncParams->s16NumOfSubBands *
// pstrEncParams->u16BitRate * 1000)
// / (s16SamplingFreq * pstrEncParams->s16NumOfChannels))
// -( ( (32 / pstrEncParams->s16NumOfChannels) +
// (4 * pstrEncParams->s16NumOfSubBands) )
// / pstrEncParams->s16NumOfBlocks ) );
s16Bitpool = pstrEncParams->s16BitPool;
/* BK4BTSTACK_CHANGE END */
pstrEncParams->s16BitPool = (s16Bitpool >
(16 * pstrEncParams->s16NumOfSubBands))
? (16*pstrEncParams->s16NumOfSubBands) : s16Bitpool;
}
}
if (pstrEncParams->s16BitPool < 0)
pstrEncParams->s16BitPool = 0;
/* sampling freq */
HeaderParams = ((pstrEncParams->s16SamplingFreq & 3)<< 6);
/* number of blocks*/
HeaderParams |= (((pstrEncParams->s16NumOfBlocks -4) & 12) << 2);
/* channel mode: mono, dual...*/
HeaderParams |= ((pstrEncParams->s16ChannelMode & 3)<< 2);
/* Loudness or SNR */
HeaderParams |= ((pstrEncParams->s16AllocationMethod & 1)<< 1);
HeaderParams |= ((pstrEncParams->s16NumOfSubBands >> 3) & 1); /*4 or 8*/
pstrEncParams->FrameHeader=HeaderParams;
if (pstrEncParams->s16NumOfSubBands==4)
{
if (pstrEncParams->s16NumOfChannels==1)
EncMaxShiftCounter=((ENC_VX_BUFFER_SIZE-(4*10))>>2)<<2;
else
EncMaxShiftCounter=((ENC_VX_BUFFER_SIZE-(4*10*2))>>3)<<2;
}
else
{
if (pstrEncParams->s16NumOfChannels==1)
EncMaxShiftCounter=((ENC_VX_BUFFER_SIZE-(8*10))>>3)<<3;
else
EncMaxShiftCounter=((ENC_VX_BUFFER_SIZE-(8*10*2))>>4)<<3;
}
// APPL_TRACE_EVENT("SBC_Encoder_Init : bitrate %d, bitpool %d",
// pstrEncParams->u16BitRate, pstrEncParams->s16BitPool);
SbcAnalysisInit();
memset(&sbc_prtc_cb, 0, sizeof(tSBC_PRTC_CB));
sbc_prtc_cb.base = 6 + (pstrEncParams->s16NumOfChannels*pstrEncParams->s16NumOfSubBands/2);
}

View file

@ -0,0 +1,293 @@
/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This file contains code for packing the Encoded data into bit streams.
*
******************************************************************************/
#include "sbc_encoder.h"
#include "sbc_enc_func_declare.h"
#include <stddef.h>
#if (SBC_ARM_ASM_OPT==TRUE)
#define Mult32(s32In1,s32In2,s32OutLow) \
{ \
__asm \
{ \
MUL s32OutLow,s32In1,s32In2; \
} \
}
#define Mult64(s32In1, s32In2, s32OutLow, s32OutHi) \
{ \
__asm \
{ \
SMULL s32OutLow,s32OutHi,s32In1,s32In2 \
} \
}
#else
#define Mult32(s32In1,s32In2,s32OutLow) s32OutLow=(SINT32)s32In1*(SINT32)s32In2;
#define Mult64(s32In1, s32In2, s32OutLow, s32OutHi) \
{ \
s32OutLow = ((SINT32)(UINT16)s32In1 * (UINT16)s32In2); \
s32TempVal2 = (SINT32)((s32In1 >> 16) * (UINT16)s32In2); \
s32Carry = ( (((UINT32)(s32OutLow)>>16)&0xFFFF) + \
+ (s32TempVal2 & 0xFFFF) ) >> 16; \
s32OutLow += (s32TempVal2 << 16); \
s32OutHi = (s32TempVal2 >> 16) + s32Carry; \
}
#endif
void EncPacking(SBC_ENC_PARAMS *pstrEncParams)
{
UINT8 *pu8PacketPtr; /* packet ptr*/
UINT8 Temp;
SINT32 s32Blk; /* counter for block*/
SINT32 s32Ch; /* counter for channel*/
SINT32 s32Sb; /* counter for sub-band*/
SINT32 s32PresentBit; /* represents bit to be stored*/
/*SINT32 s32LoopCountI; loop counter*/
SINT32 s32LoopCountJ; /* loop counter*/
UINT32 u32QuantizedSbValue,u32QuantizedSbValue0; /* temp variable to store quantized sb val*/
SINT32 s32LoopCount; /* loop counter*/
UINT8 u8XoredVal; /* to store XORed value in CRC calculation*/
UINT8 u8CRC; /* to store CRC value*/
SINT16 *ps16GenPtr;
SINT32 s32NumOfBlocks;
SINT32 s32NumOfSubBands = pstrEncParams->s16NumOfSubBands;
SINT32 s32NumOfChannels = pstrEncParams->s16NumOfChannels;
UINT32 u32SfRaisedToPow2; /*scale factor raised to power 2*/
SINT16 *ps16ScfPtr;
SINT32 *ps32SbPtr;
UINT16 u16Levels; /*to store levels*/
SINT32 s32Temp1; /*used in 64-bit multiplication*/
SINT32 s32Low; /*used in 64-bit multiplication*/
#if (SBC_IS_64_MULT_IN_QUANTIZER==TRUE)
SINT32 s32Hi1,s32Low1,s32Carry,s32TempVal2,s32Hi, s32Temp2;
#endif
pu8PacketPtr = pstrEncParams->pu8NextPacket; /*Initialize the ptr*/
/* BK4BTSTACK_CHANGE START */
uint8_t * reserved_ptr = NULL;
if (pstrEncParams->mSBCEnabled){
*pu8PacketPtr++ = (UINT8)0xAD; /*Sync word*/
reserved_ptr = pu8PacketPtr;
} else {
*pu8PacketPtr++ = (UINT8)0x9C; /*Sync word*/
}
/* BK4BTSTACK_CHANGE END */
*pu8PacketPtr++=(UINT8)(pstrEncParams->FrameHeader);
*pu8PacketPtr = (UINT8)(pstrEncParams->s16BitPool & 0x00FF);
pu8PacketPtr += 2; /*skip for CRC*/
/*here it indicate if it is byte boundary or nibble boundary*/
s32PresentBit = 8;
Temp=0;
#if (SBC_JOINT_STE_INCLUDED == TRUE)
if (pstrEncParams->s16ChannelMode == SBC_JOINT_STEREO)
{
/* pack join stero parameters */
for (s32Sb = 0; s32Sb < s32NumOfSubBands; s32Sb++)
{
Temp <<= 1;
Temp |= pstrEncParams->as16Join[s32Sb];
}
/* pack RFA */
if (s32NumOfSubBands == SUB_BANDS_4)
{
s32PresentBit = 4;
}
else
{
*(pu8PacketPtr++)=Temp;
Temp = 0;
}
}
#endif
/* Pack Scale factor */
ps16GenPtr = pstrEncParams->as16ScaleFactor;
s32Sb=s32NumOfChannels*s32NumOfSubBands;
/*Temp=*pu8PacketPtr;*/
for (s32Ch = s32Sb; s32Ch >0; s32Ch--)
{
Temp<<= 4;
Temp |= *ps16GenPtr++;
if(s32PresentBit == 4)
{
s32PresentBit = 8;
*(pu8PacketPtr++)=Temp;
Temp = 0;
}
else
{
s32PresentBit = 4;
}
}
/* Pack samples */
ps32SbPtr = pstrEncParams->s32SbBuffer;
/*Temp=*pu8PacketPtr;*/
s32NumOfBlocks= pstrEncParams->s16NumOfBlocks;
for (s32Blk = s32NumOfBlocks-1; s32Blk >=0; s32Blk--)
{
ps16GenPtr = pstrEncParams->as16Bits;
ps16ScfPtr = pstrEncParams->as16ScaleFactor;
for (s32Ch = s32Sb-1; s32Ch >= 0; s32Ch--)
{
s32LoopCount = *ps16GenPtr++;
if (s32LoopCount != 0)
{
#if (SBC_IS_64_MULT_IN_QUANTIZER==TRUE)
/* finding level from reconstruction part of decoder */
u32SfRaisedToPow2 = ((UINT32)1 << ((*ps16ScfPtr)+1));
u16Levels = (UINT16)(((UINT32)1 << s32LoopCount) - 1);
/* quantizer */
s32Temp1 = (*ps32SbPtr >> 2) + (u32SfRaisedToPow2 << 12);
s32Temp2 = u16Levels;
Mult64 (s32Temp1, s32Temp2, s32Low, s32Hi);
s32Low1 = s32Low >> ((*ps16ScfPtr)+2);
s32Low1 &= ((UINT32)1 << (32 - ((*ps16ScfPtr)+2))) - 1;
s32Hi1 = s32Hi << (32 - ((*ps16ScfPtr) +2));
u32QuantizedSbValue0 = (UINT16)((s32Low1 | s32Hi1) >> 12);
#else
/* finding level from reconstruction part of decoder */
u32SfRaisedToPow2 = ((UINT32)1 << *ps16ScfPtr);
u16Levels = (UINT16)(((UINT32)1 << s32LoopCount)-1);
/* quantizer */
s32Temp1 = (*ps32SbPtr >> 15) + u32SfRaisedToPow2;
Mult32(s32Temp1,u16Levels,s32Low);
s32Low>>= (*ps16ScfPtr+1);
u32QuantizedSbValue0 = (UINT16)s32Low;
#endif
/*store the number of bits required and the quantized s32Sb
sample to ease the coding*/
u32QuantizedSbValue = u32QuantizedSbValue0;
if(s32PresentBit >= s32LoopCount)
{
Temp <<= s32LoopCount;
Temp |= u32QuantizedSbValue;
s32PresentBit -= s32LoopCount;
}
else
{
while (s32PresentBit < s32LoopCount)
{
s32LoopCount -= s32PresentBit;
u32QuantizedSbValue >>= s32LoopCount;
/*remove the unwanted msbs*/
/*u32QuantizedSbValue <<= 16 - s32PresentBit;
u32QuantizedSbValue >>= 16 - s32PresentBit;*/
Temp <<= s32PresentBit;
Temp |= u32QuantizedSbValue ;
/*restore the original*/
u32QuantizedSbValue=u32QuantizedSbValue0;
*(pu8PacketPtr++)=Temp;
Temp = 0;
s32PresentBit = 8;
}
Temp <<= s32LoopCount;
/* remove the unwanted msbs */
/*u32QuantizedSbValue <<= 16 - s32LoopCount;
u32QuantizedSbValue >>= 16 - s32LoopCount;*/
Temp |= u32QuantizedSbValue;
s32PresentBit -= s32LoopCount;
}
}
ps16ScfPtr++;
ps32SbPtr++;
}
}
Temp <<= s32PresentBit;
*pu8PacketPtr=Temp;
pstrEncParams->u16PacketLength=pu8PacketPtr-pstrEncParams->pu8NextPacket+1;
/*find CRC*/
pu8PacketPtr = pstrEncParams->pu8NextPacket+1; /*Initialize the ptr*/
u8CRC = 0x0F;
s32LoopCount = s32Sb >> 1;
/* BK4BTSTACK_CHANGE START */
if (reserved_ptr){
// overwrite fixed values for mSBC before CRC calculation
*reserved_ptr++ = 0;
*reserved_ptr++ = 0;
}
/* BK4BTSTACK_CHANGE END */
/*
The loops is run from the start of the packet till the scale factor
parameters. In case of JS, 'join' parameter is included in the packet
so that many more bytes are included in CRC calculation.
*/
Temp=*pu8PacketPtr;
for (s32Ch=1; s32Ch < (s32LoopCount+4); s32Ch++)
{
/* skip sync word and CRC bytes */
if (s32Ch != 3)
{
for (s32LoopCountJ=7; s32LoopCountJ>=0; s32LoopCountJ--)
{
u8XoredVal = ((u8CRC >> 7) & 0x01) ^((Temp >> s32LoopCountJ) & 0x01);
u8CRC <<= 1;
u8CRC ^= (u8XoredVal * 0x1D);
u8CRC &= 0xFF;
}
}
Temp=*(++pu8PacketPtr);
}
if (pstrEncParams->s16ChannelMode == SBC_JOINT_STEREO)
{
for (s32LoopCountJ = 7; s32LoopCountJ >= (8 - s32NumOfSubBands); s32LoopCountJ--)
{
u8XoredVal = ((u8CRC >> 7) & 0x01) ^((Temp >> s32LoopCountJ) & 0x01);
u8CRC <<= 1;
u8CRC ^= (u8XoredVal * 0x1D);
u8CRC &= 0xFF;
}
}
/* CRC calculation ends here */
/* store CRC in packet */
pu8PacketPtr = pstrEncParams->pu8NextPacket; /*Initialize the ptr*/
pu8PacketPtr += 3;
*pu8PacketPtr = u8CRC;
pstrEncParams->pu8NextPacket+=pstrEncParams->u16PacketLength; /* move the pointer to the end in case there is more than one frame to encode */
}

File diff suppressed because it is too large Load diff

View file

@ -0,0 +1,230 @@
///////////////////////////////////////////////////////////////////////////////////
//-------------------------------------------------------------------------------//
//-------------------------------------------------------------------------------//
//-----------H----H--X----X-----CCCCC----22222----0000-----0000------11----------//
//----------H----H----X-X-----C--------------2---0----0---0----0--1--1-----------//
//---------HHHHHH-----X------C----------22222---0----0---0----0-----1------------//
//--------H----H----X--X----C----------2-------0----0---0----0-----1-------------//
//-------H----H---X-----X---CCCCC-----222222----0000-----0000----1111------------//
//-------------------------------------------------------------------------------//
//----------------------------------------------------- http://hxc2001.free.fr --//
///////////////////////////////////////////////////////////////////////////////////
// File : hxcmod.h
// Contains: a tiny mod player
//
// Written by: Jean François DEL NERO
//
// Change History (most recent first):
///////////////////////////////////////////////////////////////////////////////////
#ifndef __HXCMOD_H
#define __HXCMOD_H
#if defined __cplusplus
extern "C" {
#endif
#ifndef MODPLAY_DEF
#define MODPLAY_DEF
// Basic type
typedef unsigned char muchar;
typedef signed char mchar;
typedef unsigned short muint;
typedef short mint;
typedef unsigned long mulong;
#define NUMMAXCHANNELS 32
#define MAXNOTES 12*12
#define SAMPLE_RATE 44100
//
// MOD file structures
//
#pragma pack(1)
typedef struct {
muchar name[22];
muint length;
muchar finetune;
muchar volume;
muint reppnt;
muint replen;
} sample;
typedef struct {
muchar sampperiod;
muchar period;
muchar sampeffect;
muchar effect;
} note;
typedef struct {
muchar title[20];
sample samples[31];
muchar length;
muchar protracker;
muchar patterntable[128];
muchar signature[4];
muchar speed;
} module;
#pragma pack()
//
// HxCMod Internal structures
//
typedef struct {
mchar * sampdata;
muint sampnum;
muint length;
muint reppnt;
muint replen;
mulong samppos;
muint period;
muchar volume;
mulong ticks;
muchar effect;
muchar parameffect;
muint effect_code;
mint decalperiod;
mint portaspeed;
mint portaperiod;
mint vibraperiod;
mint Arpperiods[3];
muchar ArpIndex;
mint oldk;
muchar volumeslide;
muchar vibraparam;
muchar vibrapointeur;
muchar finetune;
muchar cut_param;
muint patternloopcnt;
muint patternloopstartpoint;
} hxcmod_channel;
typedef struct {
module song;
mchar * sampledata[31];
note * patterndata[128];
mulong playrate;
muint tablepos;
muint patternpos;
muint patterndelay;
muint jump_loop_effect;
muchar bpm;
mulong patternticks;
mulong patterntickse;
mulong patternticksaim;
mulong sampleticksconst;
mulong samplenb;
hxcmod_channel channels[NUMMAXCHANNELS];
muint number_of_channels;
muint fullperiod[MAXNOTES * 8];
muint mod_loaded;
mint last_r_sample;
mint last_l_sample;
mint stereo;
mint stereo_separation;
mint bits;
mint filter;
} modcontext;
//
// Player states structures
//
typedef struct track_state_
{
unsigned char instrument_number;
unsigned short cur_period;
unsigned char cur_volume;
unsigned short cur_effect;
unsigned short cur_parameffect;
}track_state;
typedef struct tracker_state_
{
int number_of_tracks;
int bpm;
int speed;
int cur_pattern;
int cur_pattern_pos;
int cur_pattern_table_pos;
unsigned int buf_index;
track_state tracks[32];
}tracker_state;
typedef struct tracker_state_instrument_
{
char name[22];
int active;
}tracker_state_instrument;
typedef struct tracker_buffer_state_
{
int nb_max_of_state;
int nb_of_state;
int cur_rd_index;
int sample_step;
char name[64];
tracker_state_instrument instruments[31];
tracker_state * track_state_buf;
}tracker_buffer_state;
///////////////////////////////////////////////////////////////////////////////////
// HxCMOD Core API:
// -------------------------------------------
// int hxcmod_init(modcontext * modctx)
//
// - Initialize the modcontext buffer. Must be called before doing anything else.
// Return 1 if success. 0 in case of error.
// -------------------------------------------
// int hxcmod_load( modcontext * modctx, void * mod_data, int mod_data_size )
//
// - "Load" a MOD from memory (from "mod_data" with size "mod_data_size").
// Return 1 if success. 0 in case of error.
// -------------------------------------------
// void hxcmod_fillbuffer( modcontext * modctx, unsigned short * outbuffer, unsigned long nbsample, tracker_buffer_state * trkbuf )
//
// - Generate and return the next samples chunk to outbuffer.
// nbsample specify the number of stereo 16bits samples you want.
// The output format is signed 44100Hz 16-bit Stereo PCM samples.
// The output buffer size in byte must be equal to ( nbsample * 2 * 2 ).
// The optional trkbuf parameter can be used to get detailed status of the player. Put NULL/0 is unused.
// -------------------------------------------
// void hxcmod_unload( modcontext * modctx )
// - "Unload" / clear the player status.
// -------------------------------------------
///////////////////////////////////////////////////////////////////////////////////
int hxcmod_init( modcontext * modctx );
int hxcmod_setcfg( modcontext * modctx, int samplerate, int bits, int stereo, int stereo_separation, int filter);
int hxcmod_load( modcontext * modctx, void * mod_data, int mod_data_size );
void hxcmod_fillbuffer( modcontext * modctx, unsigned short * outbuffer, unsigned long nbsample, tracker_buffer_state * trkbuf );
void hxcmod_unload( modcontext * modctx );
#endif
#if defined __cplusplus
}
#endif
#endif // __HXCMOD_H

View file

@ -0,0 +1,3 @@
extern const unsigned char mod_data[];
extern unsigned int mod_len;
extern const char * mod_name;

View file

@ -0,0 +1,641 @@
#include "mod.h"
const unsigned char mod_data[] = {
0x64, 0x65, 0x63, 0x65, 0x61, 0x73, 0x65, 0x64, 0x20, 0x62, 0x79, 0x20,
0x64, 0x69, 0x73, 0x65, 0x61, 0x73, 0x65, 0x00, 0x62, 0x79, 0x20, 0x6e,
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0x14, 0x2e, 0x49, 0x5e, 0x6c, 0x74, 0x78, 0x74, 0x6c, 0x62, 0x56, 0x45,
0x2e, 0x14, 0xfc, 0xe4, 0xc9, 0xae, 0x93, 0x80, 0x80, 0x80, 0x80, 0x80,
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x8d, 0x9e, 0xb4, 0xc9, 0xdf, 0xf3,
0x06, 0x19, 0x2e, 0x45, 0x5b, 0x70, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
0x7f, 0x7c, 0x73, 0x69, 0x5a, 0x48, 0x33, 0x1f, 0x0a, 0xf6, 0xe1, 0xcd,
0xb7, 0xa2, 0x8c, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
0x80, 0x80, 0x85, 0x94, 0xa3, 0xae, 0xba, 0xc6, 0xd0, 0xdb, 0xe8, 0xf7,
0x02, 0x0c, 0x18, 0x25, 0x32, 0x3e, 0x46, 0x4a, 0x4c, 0x4f, 0x50, 0x4f,
0x4e, 0x49, 0x43, 0x3c, 0x36, 0x30, 0x28, 0x21, 0x1a, 0x13, 0x0c, 0x04,
0xff, 0xfa, 0xf6, 0xf2, 0xf1, 0xf1, 0xf0, 0xf1, 0xf3, 0xf6, 0xf8, 0x00,
0x00, 0xff, 0x99, 0x4e, 0x66, 0x56, 0x48, 0x2a, 0x80, 0x1c, 0xff, 0x80,
0x80, 0x80, 0x80, 0x00
};
unsigned int mod_len = 7600;
const char * mod_name = "nao-deceased by disease";

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Local copy used for A2DP Source demo in BTstack.
Github repository: https://github.com/jfdelnero/HxCModPlayer
Thanks for providing this nice and compact implementation!
--------------------------------------------------------------------------------------
Original readme.txt
--------------------------------------------------------------------------------------
///////////////////////////////////////////////////////////////////////////////////
//-------------------------------------------------------------------------------//
//-------------------------------------------------------------------------------//
//-----------H----H--X----X-----CCCCC----22222----0000-----0000------11----------//
//----------H----H----X-X-----C--------------2---0----0---0----0---1-1-----------//
//---------HHHHHH-----X------C----------22222---0----0---0----0-----1------------//
//--------H----H----X--X----C----------2-------0----0---0----0-----1-------------//
//-------H----H---X-----X---CCCCC-----222222----0000-----0000----1111------------//
//-------------------------------------------------------------------------------//
//----------------------------------------------------- http://hxc2001.free.fr --//
///////////////////////////////////////////////////////////////////////////////////
HxCMOD player
The HxCMOD player is a tiny music module player.
It currently supports the Noisetracker/Soundtracker/Protracker Module Format (*.mod)
The core (hxcmod.c/hxcmod.h) is designed to have the least external dependency.
So it should be usable on almost all OS and systems.
You can use the hxcmod.c / hxcmod.h files to add a mod replay support
to a demo/game/software.
You are free to do what you want with this code.
(A credit is always appreciated if you include it into your prod ;) )
The test program is into the win32 folder. Just drag and drop a mod on the main
window to load it. Linux & Mac OS X version it planned.
Please note that this core was "Emscriptened" successfully and is now working in
JavaScript with Android, Chrome, Firefox, Edge, Safari browsers and probably
with others browsers supporting the Web Audio API support.
You can test it at this address : http://hxc2001.free.fr/hxcmod/
A video demo of the native Mod player can be seen on youtube :
https://www.youtube.com/watch?v=MEU9FGZzjac
--------------------------------------------------------------------------------------
HxCMOD Core API
--------------------------------------------------------------------------------------
int hxcmod_init( modcontext * modctx )
- Initialize the modcontext buffer. Must be called before doing anything else.
Return 1 if success. 0 in case of error.
int hxcmod_setcfg( modcontext * modctx, int samplerate, int bits, int stereo, int stereo_separation, int filter);
- Configure the player :
samplerate specify the sample rate. (44100 by default).
bits specify the number of bits (16 bits only for the moment).
stereo - if non null, the stereo mode is selected (default)
stereo_separation - Left/Right channel separation.
filter - if non null, the filter is applied (default)
int hxcmod_load( modcontext * modctx, void * mod_data, int mod_data_size )
- "Load" a MOD from memory (from "mod_data" with size "mod_data_size").
Return 1 if success. 0 in case of error.
void hxcmod_fillbuffer( modcontext * modctx, unsigned short * outbuffer, unsigned long nbsample, tracker_buffer_state * trkbuf )
- Generate and return the next samples chunk to outbuffer.
nbsample specify the number of stereo 16bits samples you want.
The output format is signed 44100Hz 16-bit Stereo PCM samples.
The output buffer size in byte must be equal to ( nbsample * 2 * 2 ).
The optional trkbuf parameter can be used to get detailed status of the player. Put NULL/0 if unused.
void hxcmod_unload( modcontext * modctx )
- "Unload" / clear the player status.
--------------------------------------------------------------------------------------
Files on the repository
--------------------------------------------------------------------------------------
- hxcmod.c / hxcmod.h
The HxC core mod replay routines. These files don't have any dependency with others files
and can be used into other project.
- framegenerator.c / framegenerator.h
Generate a 640*480 framebuffer from the player status to be displayed in real-time.
(not needed by the core)
- win32/
The Windows test software.
(linux & Mac version planned)
- js_emscripten/
The Web browser/JavaScript version. (Build with Emscripten)
- packer/
Data compression utility. Used to embed one mod and some graphical stuff into the executable.
Not directly used by the core.
- data/
Some packed data files.
--------------------------------------------------------------------------------------
Jean-François DEL NERO (Jeff) / HxC2001
Email : jeanfrancoisdelnero <> free.fr
http://hxc2001.free.fr
11 July 2015

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language: c
os: linux
sudo: required
matrix:
include:
- compiler: gcc-7
addons:
apt:
sources:
- ubuntu-toolchain-r-test
packages:
- check
- libsubunit-dev
- gcc-7
- ninja-build
- doxygen
env:
- LSAN_OPTIONS=verbosity=1:log_threads=1
- compiler: clang-7
addons:
apt:
sources:
- ubuntu-toolchain-r-test
- llvm-toolchain-trusty-7
packages:
- check
- libsubunit-dev
- clang-7
- ninja-build
- doxygen
env:
- LSAN_OPTIONS=verbosity=1:log_threads=1
before_install:
# Install cmake
- wget -O cmake.sh https://cmake.org/files/v3.12/cmake-3.12.0-Linux-x86_64.sh
- sudo sh cmake.sh --skip-license --exclude-subdir --prefix=/usr/local
script:
- ./travis.sh

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Building lwIP
=============
lwIP uses a CMake based build system.
The CMake files in this project are designed to
be included into your own CMake files. They are
mainly variable definitions containing a list of
source files and predefined static libraries to
be linked against application code.
1) lwIP sources:
src/Filelists.cmake provides file lists containing
the lwIP core library.
The file also contains two static libraries, lwipcore
and lwipallapps, where you can link your app against.
This is the file that is useful to all lwIP users.
2) Example applications:
contrib/Filelists.cmake provides several file lists
containing the example applications.
The file also contains several static libraries
for these example apps.
This file is only useful for you, if you can use one
of the examples in your application, which is normally
not the case.
3) OS/platform port:
Usually the OS port needs to be provided by the user.
If a port to Linux, Windows or MacOS is useful for
you, you can use
contrib/ports/{win32, unix}/Filelists.cmake
that contains file lists and libraries for
these operating systems.
VARIABLES
=========
In all cases, you need to provide two variables.
"LWIP_DIR" pointing to the lwIP directory
Example:
set(LWIP_DIR ${CMAKE_CURRENT_SOURCE_DIR}/externals/lwip)
"LWIP_INCLUDE_DIRS" that contains the include base paths
- for lwIP itself (${LWIP_DIR}/src/include)
- for lwIP contrib if you use it (${LWIP_DIR}/contrib)
- to a directory containing an OS port
- to a directory containing lwipopts.h
Example:
set (LWIP_INCLUDE_DIRS
"${LWIP_DIR}/src/include"
"${LWIP_DIR}/contrib"
"${LWIP_DIR}/contrib/ports/unix/port/include"
"${LWIP_DIR}/contrib/examples/example_app"
)
Putting it all together
=======================
To get a working application, your CMake system
needs to provide the variables described above, e.g.
set (LWIP_DIR <path to lwip sources>)
set (LWIP_INCLUDE_DIRS
"${LWIP_DIR}/src/include"
"${LWIP_DIR}/contrib"
"<path to my port>/include"
"<path to lwipopts.h>"
)
You may add some defines:
set (LWIP_DEFINITIONS LWIP_DEBUG=1)
Then include the filelists you need:
include(${LWIP_DIR}/src/Filelists.cmake)
include(${LWIP_DIR}/contrib/Filelists.cmake)
Then, declare you executable:
add_executable(my_app <my source files> <my lwip port files>)
Add lwIP include dirs to your app:
target_include_directories(my_app PRIVATE ${LWIP_INCLUDE_DIRS})
Link your app against the lwIP libs from the filelists you need:
target_link_libraries(my_app lwipcontribapps lwipallapps lwipcore)
Working example
===============
Working build examples can be found in the
contrib/ports/{win32, unix}/example_app
subdirectory.
To use them, create a build directory and call cmake with
the lwIP root dir:
- mkdir build
- cd build
- cmake ..
- cmake --build .
The CMakeLists.txt will autoselect the correct port
for your system (supported: Linux, Windows, Darwin).
Makefile based build system
===========================
lwIP also maintains file lists for Makefile-based
build systems. Look for Filelists.mk files
in the source tree. We try to maintain them,
but lwIP's mainly focused build system is CMake.

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cmake_minimum_required(VERSION 3.10)
set (CMAKE_CONFIGURATION_TYPES "Debug;Release")
project(lwIP)
# Example lwIP application
set(LWIP_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set (LWIP_DEFINITIONS LWIP_DEBUG=1)
if (${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
add_subdirectory(${LWIP_DIR}/contrib/ports/win32/example_app)
elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
add_subdirectory(${LWIP_DIR}/contrib/ports/unix/example_app)
else()
message(WARNING "Host ${CMAKE_SYSTEM_NAME} is not supported to build example_app")
endif()
# Source package generation
set(CPACK_SOURCE_GENERATOR "ZIP")
set(CPACK_SOURCE_PACKAGE_DESCRIPTION_SUMMARY "lwIP lightweight IP stack")
set(CPACK_PACKAGE_VERSION_MAJOR "${LWIP_VERSION_MAJOR}")
set(CPACK_PACKAGE_VERSION_MINOR "${LWIP_VERSION_MINOR}")
set(CPACK_PACKAGE_VERSION_PATCH "${LWIP_VERSION_REVISION}")
set(CPACK_SOURCE_IGNORE_FILES "/build/;${CPACK_SOURCE_IGNORE_FILES};.git")
set(CPACK_SOURCE_PACKAGE_FILE_NAME "lwip-${LWIP_VERSION_MAJOR}.${LWIP_VERSION_MINOR}.${LWIP_VERSION_REVISION}")
include(CPack)
# Generate docs before creating source package
include(src/Filelists.cmake)
add_custom_target(dist COMMAND ${CMAKE_MAKE_PROGRAM} package_source)
if (TARGET lwipdocs)
add_dependencies(dist lwipdocs)
endif()

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/*
* Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/

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lwIP is a small independent implementation of the TCP/IP protocol suite targeted at embedded systems.
The focus of the lwIP TCP/IP implementation is to reduce resource usage while still having a full scale TCP. This makes lwIP suitable for use in embedded systems with tens of kilobytes of free RAM and room for around 40 kilobytes of code ROM.
Main features include:
- Protocols: IP, IPv6, ICMP, ND, MLD, UDP, TCP, IGMP, ARP, PPPoS, PPPoE, 6LowPAN (via IEEE 802.15.4, BLE or ZEP; since v2.1.0)
- DHCP client, stateless DHCPv6 (since v2.1.0), DNS client (incl. mDNS hostname resolver), AutoIP/APIPA (Zeroconf), ACD (Address Conflict Detection), SNMP agent (v1, v2c, v3 (since v2.1.0), private MIB support & MIB compiler)
- APIs: specialized APIs for enhanced performance & zero copy, optional Berkeley-alike socket API
- Extended features: IP forwarding over multiple network interfaces
- Extended TCP features: congestion control, RTT estimation and fast recovery/fast retransmit, sending SACKs (since v2.1.0), "altcp": nearly transparent TLS for any tcp pcb (since v2.1.0)
- Addon applications: HTTP server (HTTPS via altcp), HTTP(S) client (since v2.1.0), SNTP client, SMTP client (SMTPS via altcp), ping, NetBIOS nameserver, mDNS responder, MQTT client (TLS support since v2.1.0), TFTP server, iPerf2 counterpart

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contrib/ - lwIP examples, ports, and small apps (formerly http://git.savannah.gnu.org/cgit/lwip/lwip-contrib.git/)
src/ - The source code for the lwIP TCP/IP stack.
doc/ - The documentation for lwIP.
test/ - Some code to test whether the sources do what they should.
See also the FILES file in each subdirectory.

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INTRODUCTION
lwIP is a small independent implementation of the TCP/IP protocol suite.
The focus of the lwIP TCP/IP implementation is to reduce the RAM usage
while still having a full scale TCP. This making lwIP suitable for use
in embedded systems with tens of kilobytes of free RAM and room for
around 40 kilobytes of code ROM.
lwIP was originally developed by Adam Dunkels at the Computer and Networks
Architectures (CNA) lab at the Swedish Institute of Computer Science (SICS)
and is now developed and maintained by a worldwide network of developers.
FEATURES
* IP (Internet Protocol, IPv4 and IPv6) including packet forwarding over
multiple network interfaces
* ICMP (Internet Control Message Protocol) for network maintenance and debugging
* IGMP (Internet Group Management Protocol) for multicast traffic management
* MLD (Multicast listener discovery for IPv6). Aims to be compliant with
RFC 2710. No support for MLDv2
* ND (Neighbor discovery and stateless address autoconfiguration for IPv6).
Aims to be compliant with RFC 4861 (Neighbor discovery) and RFC 4862
(Address autoconfiguration)
* DHCP, AutoIP/APIPA (Zeroconf), ACD (Address Conflict Detection)
and (stateless) DHCPv6
* UDP (User Datagram Protocol) including experimental UDP-lite extensions
* TCP (Transmission Control Protocol) with congestion control, RTT estimation
fast recovery/fast retransmit and sending SACKs
* raw/native API for enhanced performance
* Optional Berkeley-like socket API
* TLS: optional layered TCP ("altcp") for nearly transparent TLS for any
TCP-based protocol (ported to mbedTLS) (see changelog for more info)
* PPPoS and PPPoE (Point-to-point protocol over Serial/Ethernet)
* DNS (Domain name resolver incl. mDNS)
* 6LoWPAN (via IEEE 802.15.4, BLE or ZEP)
APPLICATIONS
* HTTP server with SSI and CGI (HTTPS via altcp)
* SNMPv2c agent with MIB compiler (Simple Network Management Protocol), v3 via altcp
* SNTP (Simple network time protocol)
* NetBIOS name service responder
* MDNS (Multicast DNS) responder
* iPerf server implementation
* MQTT client (TLS support via altcp)
LICENSE
lwIP is freely available under a BSD license.
DEVELOPMENT
lwIP has grown into an excellent TCP/IP stack for embedded devices,
and developers using the stack often submit bug fixes, improvements,
and additions to the stack to further increase its usefulness.
Development of lwIP is hosted on Savannah, a central point for
software development, maintenance and distribution. Everyone can
help improve lwIP by use of Savannah's interface, Git and the
mailing list. A core team of developers will commit changes to the
Git source tree.
The lwIP TCP/IP stack is maintained in the 'lwip' Git module and
contributions (such as platform ports) are in the 'contrib' Git module.
See doc/savannah.txt for details on Git server access for users and
developers.
The current Git trees are web-browsable:
http://git.savannah.gnu.org/cgit/lwip.git
http://git.savannah.gnu.org/cgit/lwip/lwip-contrib.git
Submit patches and bugs via the lwIP project page:
http://savannah.nongnu.org/projects/lwip/
Continuous integration builds (GCC, clang):
https://travis-ci.org/lwip-tcpip/lwip
DOCUMENTATION
Self documentation of the source code is regularly extracted from the current
Git sources and is available from this web page:
http://www.nongnu.org/lwip/
Also, there are mailing lists you can subscribe at
http://savannah.nongnu.org/mail/?group=lwip
plus searchable archives:
http://lists.nongnu.org/archive/html/lwip-users/
http://lists.nongnu.org/archive/html/lwip-devel/
There is a wiki about lwIP at
http://lwip.wikia.com/wiki/LwIP_Wiki
You might get questions answered there, but unfortunately, it is not as
well maintained as it should be.
lwIP was originally written by Adam Dunkels:
http://dunkels.com/adam/
Reading Adam's papers, the files in docs/, browsing the source code
documentation and browsing the mailing list archives is a good way to
become familiar with the design of lwIP.
Adam Dunkels <adam@sics.se>
Leon Woestenberg <leon.woestenberg@gmx.net>

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This file lists major changes between release versions that require
ports or applications to be changed. Use it to update a port or an
application written for an older version of lwIP to correctly work
with newer versions.
(git master)
* [Enter new changes just after this line - do not remove this line]
(2.1.0)
++ Application changes:
* Use the new altcp API for seamless TLS integration into existing TCP applications (see changelog)
* TCP only kills existing connections with a LOWER priority than the one currently being opened.
Previous implementations also kill existing connections of the SAME priority.
* ip4_route_src: parameter order is reversed: ip4_route_src(dest, src) -> ip4_route_src(src, dest)
to make parameter order consistent with other ip*_route*() functions.
Same also applies to LWIP_HOOK_IP4_ROUTE_SRC() parameter order.
* pbuf API: pbuf->type (an u8_t holding the enum 'pbuf_type') has changed to only hold a
description of the pbuf (e.g. data following pbuf struct, data volatile, allocation
source heap/pool/etc.). As a consequence, applications can't test pbuf->type any more.
Use pbuf_match_type(pbuf, type) instead.
* socket API: according to the standard, SO_ERROR now only returns asynchronous errors.
All other/normal/synchronous errors are (and always were) available via 'errno'.
LWIP_SOCKET_SET_ERRNO has been removed - 'errno' is always set - and required!
* httpd LWIP_HTTPD_CGI_SSI: httpd_cgi_handler() has an additional parameter "struct fs_file *"
++ Port changes:
* tcpip_trycallback() was renamed to tcpip_callbackmsg_trycallback() to avoid confusion
with tcpip_try_callback()
* compatibility headers: moved from 'src/include/posix' to 'src/include/compat/posix',
'src/include/compat/stdc' etc.
* The IPv6 implementation now supports address scopes. (See LWIP_IPV6_SCOPES documentation
and ip6_zone.h for more documentation)
* LWIP_HOOK_DHCP_APPEND_OPTIONS() has changed, see description in opt.h (options_out_len is not
available in struct dhcp any more)
* Added debug helper asserts to ensure threading/locking requirements are met (define
LWIP_MARK_TCPIP_THREAD() and LWIP_ASSERT_CORE_LOCKED()).
* Added sys_mbox_trypost_fromisr() and tcpip_callbackmsg_trycallback_fromisr()
These can be used to post preallocated messages from an ISR to the tcpip thread
(e.g. when using FreeRTOS)
(2.0.2)
++ Application changes:
* slipif: The way to pass serial port number has changed. netif->num is not
supported any more, netif->state is interpreted as an u8_t port number now
(it's not a POINTER to an u8_t any more!)
(2.0.1)
++ Application changes:
* UDP does NOT receive multicast traffic from ALL netifs on an UDP PCB bound to a specific
netif any more. Users need to bind to IP_ADDR_ANY to receive multicast traffic and compare
ip_current_netif() to the desired netif for every packet.
See bug #49662 for an explanation.
(2.0.0)
++ Application changes:
* Changed netif "up" flag handling to be an administrative flag (as opposed to the previous meaning of
"ip4-address-valid", a netif will now not be used for transmission if not up) -> even a DHCP netif
has to be set "up" before starting the DHCP client
* Added IPv6 support (dual-stack or IPv4/IPv6 only)
* Changed ip_addr_t to be a union in dual-stack mode (use ip4_addr_t where referring to IPv4 only).
* Major rewrite of SNMP (added MIB parser that creates code stubs for custom MIBs);
supports SNMPv2c (experimental v3 support)
* Moved some core applications from contrib repository to src/apps (and include/lwip/apps)
+++ Raw API:
* Changed TCP listen backlog: removed tcp_accepted(), added the function pair tcp_backlog_delayed()/
tcp_backlog_accepted() to explicitly delay backlog handling on a connection pcb
+++ Socket API:
* Added an implementation for posix sendmsg()
* Added LWIP_FIONREAD_LINUXMODE that makes ioctl/FIONREAD return the size of the next pending datagram
++ Port changes
+++ new files:
* MANY new and moved files!
* Added src/Filelists.mk for use in Makefile projects
* Continued moving stack-internal parts from abc.h to abc_priv.h in sub-folder "priv"
to let abc.h only contain the actual application programmer's API
+++ sys layer:
* Made LWIP_TCPIP_CORE_LOCKING==1 the default as it usually performs better than
the traditional message passing (although with LWIP_COMPAT_MUTEX you are still
open to priority inversion, so this is not recommended any more)
* Added LWIP_NETCONN_SEM_PER_THREAD to use one "op_completed" semaphore per thread
instead of using one per netconn (these semaphores are used even with core locking
enabled as some longer lasting functions like big writes still need to delay)
* Added generalized abstraction for itoa(), strnicmp(), stricmp() and strnstr()
in def.h (to be overridden in cc.h) instead of config
options for netbiosns, httpd, dns, etc. ...
* New abstraction for hton* and ntoh* functions in def.h.
To override them, use the following in cc.h:
#define lwip_htons(x) <your_htons>
#define lwip_htonl(x) <your_htonl>
+++ new options:
* TODO
+++ new pools:
* Added LWIP_MEMPOOL_* (declare/init/alloc/free) to declare private memp pools
that share memp.c code but do not have to be made global via lwippools.h
* Added pools for IPv6, MPU_COMPATIBLE, dns-api, netif-api, etc.
* added hook LWIP_HOOK_MEMP_AVAILABLE() to get informed when a memp pool was empty and an item
is now available
* Signature of LWIP_HOOK_VLAN_SET macro was changed
* LWIP_DECLARE_MEMORY_ALIGNED() may be used to declare aligned memory buffers (mem/memp)
or to move buffers to dedicated memory using compiler attributes
* Standard C headers are used to define sized types and printf formatters
(disable by setting LWIP_NO_STDINT_H=1 or LWIP_NO_INTTYPES_H=1 if your compiler
does not support these)
++ Major bugfixes/improvements
* Added IPv6 support (dual-stack or IPv4/IPv6 only)
* Major rewrite of PPP (incl. keep-up with apache pppd)
see doc/ppp.txt for an upgrading how-to
* Major rewrite of SNMP (incl. MIB parser)
* Fixed timing issues that might have lead to losing a DHCP lease
* Made rx processing path more robust against crafted errors
* TCP window scaling support
* modification of api modules to support FreeRTOS-MPU (don't pass stack-pointers to other threads)
* made DNS client more robust
* support PBUF_REF for RX packets
* LWIP_NETCONN_FULLDUPLEX allows netconn/sockets to be used for reading/writing from separate
threads each (needs LWIP_NETCONN_SEM_PER_THREAD)
* Moved and reordered stats (mainly memp/mib2)
(1.4.0)
++ Application changes:
* Replaced struct ip_addr by typedef ip_addr_t (struct ip_addr is kept for
compatibility to old applications, but will be removed in the future).
* Renamed mem_realloc() to mem_trim() to prevent confusion with realloc()
+++ Raw API:
* Changed the semantics of tcp_close() (since it was rather a
shutdown before): Now the application does *NOT* get any calls to the recv
callback (aside from NULL/closed) after calling tcp_close()
* When calling tcp_abort() from a raw API TCP callback function,
make sure you return ERR_ABRT to prevent accessing unallocated memory.
(ERR_ABRT now means the applicaiton has called tcp_abort!)
+++ Netconn API:
* Changed netconn_receive() and netconn_accept() to return
err_t, not a pointer to new data/netconn.
+++ Socket API:
* LWIP_SO_RCVTIMEO: when accept() or recv() time out, they
now set errno to EWOULDBLOCK/EAGAIN, not ETIMEDOUT.
* Added a minimal version of posix fctl() to have a
standardised way to set O_NONBLOCK for nonblocking sockets.
+++ all APIs:
* correctly implemented SO(F)_REUSEADDR
++ Port changes
+++ new files:
* Added 4 new files: def.c, timers.c, timers.h, tcp_impl.h:
* Moved stack-internal parts of tcp.h to tcp_impl.h, tcp.h now only contains
the actual application programmer's API
* Separated timer implementation from sys.h/.c, moved to timers.h/.c;
Added timer implementation for NO_SYS==1, set NO_SYS_NO_TIMERS==1 if you
still want to use your own timer implementation for NO_SYS==0 (as before).
+++ sys layer:
* Converted mbox- and semaphore-functions to take pointers to sys_mbox_t/
sys_sem_t;
* Converted sys_mbox_new/sys_sem_new to take pointers and return err_t;
* Added Mutex concept in sys_arch (define LWIP_COMPAT_MUTEX to let sys.h use
binary semaphores instead of mutexes - as before)
+++ new options:
* Don't waste memory when chaining segments, added option TCP_OVERSIZE to
prevent creating many small pbufs when calling tcp_write with many small
blocks of data. Instead, pbufs are allocated larger than needed and the
space is used for later calls to tcp_write.
* Added LWIP_NETIF_TX_SINGLE_PBUF to always copy to try to create single pbufs
in tcp_write/udp_send.
* Added an additional option LWIP_ETHERNET to support ethernet without ARP
(necessary for pure PPPoE)
* Add MEMP_SEPARATE_POOLS to place memory pools in separate arrays. This may
be used to place these pools into user-defined memory by using external
declaration.
* Added TCP_SNDQUEUELOWAT corresponding to TCP_SNDLOWAT
+++ new pools:
* Netdb uses a memp pool for allocating memory when getaddrinfo() is called,
so MEMP_NUM_NETDB has to be set accordingly.
* DNS_LOCAL_HOSTLIST_IS_DYNAMIC uses a memp pool instead of the heap, so
MEMP_NUM_LOCALHOSTLIST has to be set accordingly.
* Snmp-agent uses a memp pools instead of the heap, so MEMP_NUM_SNMP_* have
to be set accordingly.
* PPPoE uses a MEMP pool instead of the heap, so MEMP_NUM_PPPOE_INTERFACES
has to be set accordingly
* Integrated loopif into netif.c - loopif does not have to be created by the
port any more, just define LWIP_HAVE_LOOPIF to 1.
* Added define LWIP_RAND() for lwip-wide randomization (needs to be defined
in cc.h, e.g. used by igmp)
* Added printf-formatter X8_F to printf u8_t as hex
* The heap now may be moved to user-defined memory by defining
LWIP_RAM_HEAP_POINTER as a void pointer to that memory's address
* added autoip_set_struct() and dhcp_set_struct() to let autoip and dhcp work
with user-allocated structs instead of calling mem_malloc
* Added const char* name to mem- and memp-stats for easier debugging.
* Calculate the TCP/UDP checksum while copying to only fetch data once:
Define LWIP_CHKSUM_COPY to a memcpy-like function that returns the checksum
* Added SO_REUSE_RXTOALL to pass received UDP broadcast/multicast packets to
more than one pcb.
* Changed the semantics of ARP_QUEUEING==0: ARP_QUEUEING now cannot be turned
off any more, if this is set to 0, only one packet (the most recent one) is
queued (like demanded by RFC 1122).
++ Major bugfixes/improvements
* Implemented tcp_shutdown() to only shut down one end of a connection
* Implemented shutdown() at socket- and netconn-level
* Added errorset support to select() + improved select speed overhead
* Merged pppd to v2.3.11 (including some backported bugfixes from 2.4.x)
* Added timer implementation for NO_SYS==1 (may be disabled with NO_SYS_NO_TIMERS==1
* Use macros defined in ip_addr.h to work with IP addresses
* Implemented many nonblocking socket/netconn functions
* Fixed ARP input processing: only add a new entry if a request was directed as us
* mem_realloc() to mem_trim() to prevent confusion with realloc()
* Some improvements for AutoIP (don't route/forward link-local addresses, don't break
existing connections when assigning a routable address)
* Correctly handle remote side overrunning our rcv_wnd in ooseq case
* Removed packing from ip_addr_t, the packed version is now only used in protocol headers
* Corrected PBUF_POOL_BUFSIZE for ports where ETH_PAD_SIZE > 0
* Added support for static ARP table entries
(STABLE-1.3.2)
* initial version of this file

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@ -0,0 +1,15 @@
api/ - The code for the high-level wrapper API. Not needed if
you use the lowel-level call-back/raw API.
apps/ - Higher layer applications that are specifically programmed
with the lwIP low-level raw API.
core/ - The core of the TPC/IP stack; protocol implementations,
memory and buffer management, and the low-level raw API.
include/ - lwIP include files.
netif/ - Generic network interface device drivers are kept here.
For more information on the various subdirectories, check the FILES
file in each directory.

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# This file is indended to be included in end-user CMakeLists.txt
# include(/path/to/Filelists.cmake)
# It assumes the variable LWIP_DIR is defined pointing to the
# root path of lwIP sources.
#
# This file is NOT designed (on purpose) to be used as cmake
# subdir via add_subdirectory()
# The intention is to provide greater flexibility to users to
# create their own targets using the *_SRCS variables.
if(NOT ${CMAKE_VERSION} VERSION_LESS "3.10.0")
include_guard(GLOBAL)
endif()
set(LWIP_VERSION_MAJOR "2")
set(LWIP_VERSION_MINOR "2")
set(LWIP_VERSION_REVISION "0")
# LWIP_VERSION_RC is set to LWIP_RC_RELEASE for official releases
# LWIP_VERSION_RC is set to LWIP_RC_DEVELOPMENT for Git versions
# Numbers 1..31 are reserved for release candidates
set(LWIP_VERSION_RC "LWIP_RC_DEVELOPMENT")
if ("${LWIP_VERSION_RC}" STREQUAL "LWIP_RC_RELEASE")
set(LWIP_VERSION_STRING
"${LWIP_VERSION_MAJOR}.${LWIP_VERSION_MINOR}.${LWIP_VERSION_REVISION}"
)
elseif ("${LWIP_VERSION_RC}" STREQUAL "LWIP_RC_DEVELOPMENT")
set(LWIP_VERSION_STRING
"${LWIP_VERSION_MAJOR}.${LWIP_VERSION_MINOR}.${LWIP_VERSION_REVISION}.dev"
)
else()
set(LWIP_VERSION_STRING
"${LWIP_VERSION_MAJOR}.${LWIP_VERSION_MINOR}.${LWIP_VERSION_REVISION}.rc${LWIP_VERSION_RC}"
)
endif()
# The minimum set of files needed for lwIP.
set(lwipcore_SRCS
${LWIP_DIR}/src/core/init.c
${LWIP_DIR}/src/core/def.c
${LWIP_DIR}/src/core/dns.c
${LWIP_DIR}/src/core/inet_chksum.c
${LWIP_DIR}/src/core/ip.c
${LWIP_DIR}/src/core/mem.c
${LWIP_DIR}/src/core/memp.c
${LWIP_DIR}/src/core/netif.c
${LWIP_DIR}/src/core/pbuf.c
${LWIP_DIR}/src/core/raw.c
${LWIP_DIR}/src/core/stats.c
${LWIP_DIR}/src/core/sys.c
${LWIP_DIR}/src/core/altcp.c
${LWIP_DIR}/src/core/altcp_alloc.c
${LWIP_DIR}/src/core/altcp_tcp.c
${LWIP_DIR}/src/core/tcp.c
${LWIP_DIR}/src/core/tcp_in.c
${LWIP_DIR}/src/core/tcp_out.c
${LWIP_DIR}/src/core/timeouts.c
${LWIP_DIR}/src/core/udp.c
)
set(lwipcore4_SRCS
${LWIP_DIR}/src/core/ipv4/acd.c
${LWIP_DIR}/src/core/ipv4/autoip.c
${LWIP_DIR}/src/core/ipv4/dhcp.c
${LWIP_DIR}/src/core/ipv4/etharp.c
${LWIP_DIR}/src/core/ipv4/icmp.c
${LWIP_DIR}/src/core/ipv4/igmp.c
${LWIP_DIR}/src/core/ipv4/ip4_frag.c
${LWIP_DIR}/src/core/ipv4/ip4.c
${LWIP_DIR}/src/core/ipv4/ip4_addr.c
)
set(lwipcore6_SRCS
${LWIP_DIR}/src/core/ipv6/dhcp6.c
${LWIP_DIR}/src/core/ipv6/ethip6.c
${LWIP_DIR}/src/core/ipv6/icmp6.c
${LWIP_DIR}/src/core/ipv6/inet6.c
${LWIP_DIR}/src/core/ipv6/ip6.c
${LWIP_DIR}/src/core/ipv6/ip6_addr.c
${LWIP_DIR}/src/core/ipv6/ip6_frag.c
${LWIP_DIR}/src/core/ipv6/mld6.c
${LWIP_DIR}/src/core/ipv6/nd6.c
)
# APIFILES: The files which implement the sequential and socket APIs.
set(lwipapi_SRCS
${LWIP_DIR}/src/api/api_lib.c
${LWIP_DIR}/src/api/api_msg.c
${LWIP_DIR}/src/api/err.c
${LWIP_DIR}/src/api/if_api.c
${LWIP_DIR}/src/api/netbuf.c
${LWIP_DIR}/src/api/netdb.c
${LWIP_DIR}/src/api/netifapi.c
${LWIP_DIR}/src/api/sockets.c
${LWIP_DIR}/src/api/tcpip.c
)
# Files implementing various generic network interface functions
set(lwipnetif_SRCS
${LWIP_DIR}/src/netif/ethernet.c
${LWIP_DIR}/src/netif/bridgeif.c
${LWIP_DIR}/src/netif/bridgeif_fdb.c
${LWIP_DIR}/src/netif/slipif.c
)
# 6LoWPAN
set(lwipsixlowpan_SRCS
${LWIP_DIR}/src/netif/lowpan6_common.c
${LWIP_DIR}/src/netif/lowpan6.c
${LWIP_DIR}/src/netif/lowpan6_ble.c
${LWIP_DIR}/src/netif/zepif.c
)
# PPP
set(lwipppp_SRCS
${LWIP_DIR}/src/netif/ppp/auth.c
${LWIP_DIR}/src/netif/ppp/ccp.c
${LWIP_DIR}/src/netif/ppp/chap-md5.c
${LWIP_DIR}/src/netif/ppp/chap_ms.c
${LWIP_DIR}/src/netif/ppp/chap-new.c
${LWIP_DIR}/src/netif/ppp/demand.c
${LWIP_DIR}/src/netif/ppp/eap.c
${LWIP_DIR}/src/netif/ppp/ecp.c
${LWIP_DIR}/src/netif/ppp/eui64.c
${LWIP_DIR}/src/netif/ppp/fsm.c
${LWIP_DIR}/src/netif/ppp/ipcp.c
${LWIP_DIR}/src/netif/ppp/ipv6cp.c
${LWIP_DIR}/src/netif/ppp/lcp.c
${LWIP_DIR}/src/netif/ppp/magic.c
${LWIP_DIR}/src/netif/ppp/mppe.c
${LWIP_DIR}/src/netif/ppp/multilink.c
${LWIP_DIR}/src/netif/ppp/ppp.c
${LWIP_DIR}/src/netif/ppp/pppapi.c
${LWIP_DIR}/src/netif/ppp/pppcrypt.c
${LWIP_DIR}/src/netif/ppp/pppoe.c
${LWIP_DIR}/src/netif/ppp/pppol2tp.c
${LWIP_DIR}/src/netif/ppp/pppos.c
${LWIP_DIR}/src/netif/ppp/upap.c
${LWIP_DIR}/src/netif/ppp/utils.c
${LWIP_DIR}/src/netif/ppp/vj.c
${LWIP_DIR}/src/netif/ppp/polarssl/arc4.c
${LWIP_DIR}/src/netif/ppp/polarssl/des.c
${LWIP_DIR}/src/netif/ppp/polarssl/md4.c
${LWIP_DIR}/src/netif/ppp/polarssl/md5.c
${LWIP_DIR}/src/netif/ppp/polarssl/sha1.c
)
# SNMPv3 agent
set(lwipsnmp_SRCS
${LWIP_DIR}/src/apps/snmp/snmp_asn1.c
${LWIP_DIR}/src/apps/snmp/snmp_core.c
${LWIP_DIR}/src/apps/snmp/snmp_mib2.c
${LWIP_DIR}/src/apps/snmp/snmp_mib2_icmp.c
${LWIP_DIR}/src/apps/snmp/snmp_mib2_interfaces.c
${LWIP_DIR}/src/apps/snmp/snmp_mib2_ip.c
${LWIP_DIR}/src/apps/snmp/snmp_mib2_snmp.c
${LWIP_DIR}/src/apps/snmp/snmp_mib2_system.c
${LWIP_DIR}/src/apps/snmp/snmp_mib2_tcp.c
${LWIP_DIR}/src/apps/snmp/snmp_mib2_udp.c
${LWIP_DIR}/src/apps/snmp/snmp_snmpv2_framework.c
${LWIP_DIR}/src/apps/snmp/snmp_snmpv2_usm.c
${LWIP_DIR}/src/apps/snmp/snmp_msg.c
${LWIP_DIR}/src/apps/snmp/snmpv3.c
${LWIP_DIR}/src/apps/snmp/snmp_netconn.c
${LWIP_DIR}/src/apps/snmp/snmp_pbuf_stream.c
${LWIP_DIR}/src/apps/snmp/snmp_raw.c
${LWIP_DIR}/src/apps/snmp/snmp_scalar.c
${LWIP_DIR}/src/apps/snmp/snmp_table.c
${LWIP_DIR}/src/apps/snmp/snmp_threadsync.c
${LWIP_DIR}/src/apps/snmp/snmp_traps.c
)
# HTTP server + client
set(lwiphttp_SRCS
${LWIP_DIR}/src/apps/http/altcp_proxyconnect.c
${LWIP_DIR}/src/apps/http/fs.c
${LWIP_DIR}/src/apps/http/http_client.c
${LWIP_DIR}/src/apps/http/httpd.c
)
# MAKEFSDATA HTTP server host utility
set(lwipmakefsdata_SRCS
${LWIP_DIR}/src/apps/http/makefsdata/makefsdata.c
)
# IPERF server
set(lwipiperf_SRCS
${LWIP_DIR}/src/apps/lwiperf/lwiperf.c
)
# SMTP client
set(lwipsmtp_SRCS
${LWIP_DIR}/src/apps/smtp/smtp.c
)
# SNTP client
set(lwipsntp_SRCS
${LWIP_DIR}/src/apps/sntp/sntp.c
)
# MDNS responder
set(lwipmdns_SRCS
${LWIP_DIR}/src/apps/mdns/mdns.c
${LWIP_DIR}/src/apps/mdns/mdns_out.c
${LWIP_DIR}/src/apps/mdns/mdns_domain.c
)
# NetBIOS name server
set(lwipnetbios_SRCS
${LWIP_DIR}/src/apps/netbiosns/netbiosns.c
)
# TFTP server files
set(lwiptftp_SRCS
${LWIP_DIR}/src/apps/tftp/tftp.c
)
# MQTT client files
set(lwipmqtt_SRCS
${LWIP_DIR}/src/apps/mqtt/mqtt.c
)
# ARM MBEDTLS related files of lwIP rep
set(lwipmbedtls_SRCS
${LWIP_DIR}/src/apps/altcp_tls/altcp_tls_mbedtls.c
${LWIP_DIR}/src/apps/altcp_tls/altcp_tls_mbedtls_mem.c
${LWIP_DIR}/src/apps/snmp/snmpv3_mbedtls.c
)
# All LWIP files without apps
set(lwipnoapps_SRCS
${lwipcore_SRCS}
${lwipcore4_SRCS}
${lwipcore6_SRCS}
${lwipapi_SRCS}
${lwipnetif_SRCS}
${lwipsixlowpan_SRCS}
${lwipppp_SRCS}
)
# LWIPAPPFILES: All LWIP APPs
set(lwipallapps_SRCS
${lwipsnmp_SRCS}
${lwiphttp_SRCS}
${lwipiperf_SRCS}
${lwipsmtp_SRCS}
${lwipsntp_SRCS}
${lwipmdns_SRCS}
${lwipnetbios_SRCS}
${lwiptftp_SRCS}
${lwipmqtt_SRCS}
)
# Generate lwip/init.h (version info)
configure_file(${LWIP_DIR}/src/include/lwip/init.h.cmake.in ${LWIP_DIR}/src/include/lwip/init.h)
# Documentation
set(DOXYGEN_DIR ${LWIP_DIR}/doc/doxygen)
set(DOXYGEN_OUTPUT_DIR output)
set(DOXYGEN_IN ${LWIP_DIR}/doc/doxygen/lwip.Doxyfile.cmake.in)
set(DOXYGEN_OUT ${LWIP_DIR}/doc/doxygen/lwip.Doxyfile)
configure_file(${DOXYGEN_IN} ${DOXYGEN_OUT})
find_package(Doxygen)
if (DOXYGEN_FOUND)
message(STATUS "Doxygen build started")
add_custom_target(lwipdocs
COMMAND ${CMAKE_COMMAND} -E remove_directory ${DOXYGEN_DIR}/${DOXYGEN_OUTPUT_DIR}/html
COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_OUT}
WORKING_DIRECTORY ${DOXYGEN_DIR}
COMMENT "Generating API documentation with Doxygen"
VERBATIM)
else (DOXYGEN_FOUND)
message(STATUS "Doxygen needs to be installed to generate the doxygen documentation")
endif (DOXYGEN_FOUND)
# lwIP libraries
add_library(lwipcore EXCLUDE_FROM_ALL ${lwipnoapps_SRCS})
target_compile_options(lwipcore PRIVATE ${LWIP_COMPILER_FLAGS})
target_compile_definitions(lwipcore PRIVATE ${LWIP_DEFINITIONS} ${LWIP_MBEDTLS_DEFINITIONS})
target_include_directories(lwipcore PRIVATE ${LWIP_INCLUDE_DIRS} ${LWIP_MBEDTLS_INCLUDE_DIRS})
add_library(lwipallapps EXCLUDE_FROM_ALL ${lwipallapps_SRCS})
target_compile_options(lwipallapps PRIVATE ${LWIP_COMPILER_FLAGS})
target_compile_definitions(lwipallapps PRIVATE ${LWIP_DEFINITIONS} ${LWIP_MBEDTLS_DEFINITIONS})
target_include_directories(lwipallapps PRIVATE ${LWIP_INCLUDE_DIRS} ${LWIP_MBEDTLS_INCLUDE_DIRS})
add_library(lwipmbedtls EXCLUDE_FROM_ALL ${lwipmbedtls_SRCS})
target_compile_options(lwipmbedtls PRIVATE ${LWIP_COMPILER_FLAGS})
target_compile_definitions(lwipmbedtls PRIVATE ${LWIP_DEFINITIONS} ${LWIP_MBEDTLS_DEFINITIONS})
target_include_directories(lwipmbedtls PRIVATE ${LWIP_INCLUDE_DIRS} ${LWIP_MBEDTLS_INCLUDE_DIRS})

View file

@ -0,0 +1,208 @@
#
# Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
# OF SUCH DAMAGE.
#
# This file is part of the lwIP TCP/IP stack.
#
# Author: Adam Dunkels <adam@sics.se>
#
# COREFILES, CORE4FILES: The minimum set of files needed for lwIP.
COREFILES=$(LWIPDIR)/core/init.c \
$(LWIPDIR)/core/def.c \
$(LWIPDIR)/core/dns.c \
$(LWIPDIR)/core/inet_chksum.c \
$(LWIPDIR)/core/ip.c \
$(LWIPDIR)/core/mem.c \
$(LWIPDIR)/core/memp.c \
$(LWIPDIR)/core/netif.c \
$(LWIPDIR)/core/pbuf.c \
$(LWIPDIR)/core/raw.c \
$(LWIPDIR)/core/stats.c \
$(LWIPDIR)/core/sys.c \
$(LWIPDIR)/core/altcp.c \
$(LWIPDIR)/core/altcp_alloc.c \
$(LWIPDIR)/core/altcp_tcp.c \
$(LWIPDIR)/core/tcp.c \
$(LWIPDIR)/core/tcp_in.c \
$(LWIPDIR)/core/tcp_out.c \
$(LWIPDIR)/core/timeouts.c \
$(LWIPDIR)/core/udp.c
CORE4FILES=$(LWIPDIR)/core/ipv4/acd.c \
$(LWIPDIR)/core/ipv4/autoip.c \
$(LWIPDIR)/core/ipv4/dhcp.c \
$(LWIPDIR)/core/ipv4/etharp.c \
$(LWIPDIR)/core/ipv4/icmp.c \
$(LWIPDIR)/core/ipv4/igmp.c \
$(LWIPDIR)/core/ipv4/ip4_frag.c \
$(LWIPDIR)/core/ipv4/ip4.c \
$(LWIPDIR)/core/ipv4/ip4_addr.c
CORE6FILES=$(LWIPDIR)/core/ipv6/dhcp6.c \
$(LWIPDIR)/core/ipv6/ethip6.c \
$(LWIPDIR)/core/ipv6/icmp6.c \
$(LWIPDIR)/core/ipv6/inet6.c \
$(LWIPDIR)/core/ipv6/ip6.c \
$(LWIPDIR)/core/ipv6/ip6_addr.c \
$(LWIPDIR)/core/ipv6/ip6_frag.c \
$(LWIPDIR)/core/ipv6/mld6.c \
$(LWIPDIR)/core/ipv6/nd6.c
# APIFILES: The files which implement the sequential and socket APIs.
APIFILES=$(LWIPDIR)/api/api_lib.c \
$(LWIPDIR)/api/api_msg.c \
$(LWIPDIR)/api/err.c \
$(LWIPDIR)/api/if_api.c \
$(LWIPDIR)/api/netbuf.c \
$(LWIPDIR)/api/netdb.c \
$(LWIPDIR)/api/netifapi.c \
$(LWIPDIR)/api/sockets.c \
$(LWIPDIR)/api/tcpip.c
# NETIFFILES: Files implementing various generic network interface functions
NETIFFILES=$(LWIPDIR)/netif/ethernet.c \
$(LWIPDIR)/netif/bridgeif.c \
$(LWIPDIR)/netif/bridgeif_fdb.c \
$(LWIPDIR)/netif/slipif.c
# SIXLOWPAN: 6LoWPAN
SIXLOWPAN=$(LWIPDIR)/netif/lowpan6_common.c \
$(LWIPDIR)/netif/lowpan6.c \
$(LWIPDIR)/netif/lowpan6_ble.c \
$(LWIPDIR)/netif/zepif.c
# PPPFILES: PPP
PPPFILES=$(LWIPDIR)/netif/ppp/auth.c \
$(LWIPDIR)/netif/ppp/ccp.c \
$(LWIPDIR)/netif/ppp/chap-md5.c \
$(LWIPDIR)/netif/ppp/chap_ms.c \
$(LWIPDIR)/netif/ppp/chap-new.c \
$(LWIPDIR)/netif/ppp/demand.c \
$(LWIPDIR)/netif/ppp/eap.c \
$(LWIPDIR)/netif/ppp/ecp.c \
$(LWIPDIR)/netif/ppp/eui64.c \
$(LWIPDIR)/netif/ppp/fsm.c \
$(LWIPDIR)/netif/ppp/ipcp.c \
$(LWIPDIR)/netif/ppp/ipv6cp.c \
$(LWIPDIR)/netif/ppp/lcp.c \
$(LWIPDIR)/netif/ppp/magic.c \
$(LWIPDIR)/netif/ppp/mppe.c \
$(LWIPDIR)/netif/ppp/multilink.c \
$(LWIPDIR)/netif/ppp/ppp.c \
$(LWIPDIR)/netif/ppp/pppapi.c \
$(LWIPDIR)/netif/ppp/pppcrypt.c \
$(LWIPDIR)/netif/ppp/pppoe.c \
$(LWIPDIR)/netif/ppp/pppol2tp.c \
$(LWIPDIR)/netif/ppp/pppos.c \
$(LWIPDIR)/netif/ppp/upap.c \
$(LWIPDIR)/netif/ppp/utils.c \
$(LWIPDIR)/netif/ppp/vj.c \
$(LWIPDIR)/netif/ppp/polarssl/arc4.c \
$(LWIPDIR)/netif/ppp/polarssl/des.c \
$(LWIPDIR)/netif/ppp/polarssl/md4.c \
$(LWIPDIR)/netif/ppp/polarssl/md5.c \
$(LWIPDIR)/netif/ppp/polarssl/sha1.c
# LWIPNOAPPSFILES: All LWIP files without apps
LWIPNOAPPSFILES=$(COREFILES) \
$(CORE4FILES) \
$(CORE6FILES) \
$(APIFILES) \
$(NETIFFILES) \
$(PPPFILES) \
$(SIXLOWPAN)
# SNMPFILES: SNMPv2c agent
SNMPFILES=$(LWIPDIR)/apps/snmp/snmp_asn1.c \
$(LWIPDIR)/apps/snmp/snmp_core.c \
$(LWIPDIR)/apps/snmp/snmp_mib2.c \
$(LWIPDIR)/apps/snmp/snmp_mib2_icmp.c \
$(LWIPDIR)/apps/snmp/snmp_mib2_interfaces.c \
$(LWIPDIR)/apps/snmp/snmp_mib2_ip.c \
$(LWIPDIR)/apps/snmp/snmp_mib2_snmp.c \
$(LWIPDIR)/apps/snmp/snmp_mib2_system.c \
$(LWIPDIR)/apps/snmp/snmp_mib2_tcp.c \
$(LWIPDIR)/apps/snmp/snmp_mib2_udp.c \
$(LWIPDIR)/apps/snmp/snmp_snmpv2_framework.c \
$(LWIPDIR)/apps/snmp/snmp_snmpv2_usm.c \
$(LWIPDIR)/apps/snmp/snmp_msg.c \
$(LWIPDIR)/apps/snmp/snmpv3.c \
$(LWIPDIR)/apps/snmp/snmp_netconn.c \
$(LWIPDIR)/apps/snmp/snmp_pbuf_stream.c \
$(LWIPDIR)/apps/snmp/snmp_raw.c \
$(LWIPDIR)/apps/snmp/snmp_scalar.c \
$(LWIPDIR)/apps/snmp/snmp_table.c \
$(LWIPDIR)/apps/snmp/snmp_threadsync.c \
$(LWIPDIR)/apps/snmp/snmp_traps.c
# HTTPFILES: HTTP server + client
HTTPFILES=$(LWIPDIR)/apps/http/altcp_proxyconnect.c \
$(LWIPDIR)/apps/http/fs.c \
$(LWIPDIR)/apps/http/http_client.c \
$(LWIPDIR)/apps/http/httpd.c
# MAKEFSDATA: MAKEFSDATA HTTP server host utility
MAKEFSDATAFILES=$(LWIPDIR)/apps/http/makefsdata/makefsdata.c
# LWIPERFFILES: IPERF server
LWIPERFFILES=$(LWIPDIR)/apps/lwiperf/lwiperf.c
# SMTPFILES: SMTP client
SMTPFILES=$(LWIPDIR)/apps/smtp/smtp.c
# SNTPFILES: SNTP client
SNTPFILES=$(LWIPDIR)/apps/sntp/sntp.c
# MDNSFILES: MDNS responder
MDNSFILES=$(LWIPDIR)/apps/mdns/mdns.c \
$(LWIPDIR)/apps/mdns/mdns_out.c \
$(LWIPDIR)/apps/mdns/mdns_domain.c
# NETBIOSNSFILES: NetBIOS name server
NETBIOSNSFILES=$(LWIPDIR)/apps/netbiosns/netbiosns.c
# TFTPFILES: TFTP client/server files
TFTPFILES=$(LWIPDIR)/apps/tftp/tftp.c
# MQTTFILES: MQTT client files
MQTTFILES=$(LWIPDIR)/apps/mqtt/mqtt.c
# MBEDTLS_FILES: MBEDTLS related files of lwIP rep
MBEDTLS_FILES=$(LWIPDIR)/apps/altcp_tls/altcp_tls_mbedtls.c \
$(LWIPDIR)/apps/altcp_tls/altcp_tls_mbedtls_mem.c \
$(LWIPDIR)/apps/snmp/snmpv3_mbedtls.c
# LWIPAPPFILES: All LWIP APPs
LWIPAPPFILES=$(SNMPFILES) \
$(HTTPFILES) \
$(LWIPERFFILES) \
$(SMTPFILES) \
$(SNTPFILES) \
$(MDNSFILES) \
$(NETBIOSNSFILES) \
$(TFTPFILES) \
$(MQTTFILES) \
$(MBEDTLS_FILES)

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/**
* @file
* Error Management module
*
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include "lwip/err.h"
#include "lwip/def.h"
#include "lwip/sys.h"
#include "lwip/errno.h"
#if !NO_SYS
/** Table to quickly map an lwIP error (err_t) to a socket error
* by using -err as an index */
static const int err_to_errno_table[] = {
0, /* ERR_OK 0 No error, everything OK. */
ENOMEM, /* ERR_MEM -1 Out of memory error. */
ENOBUFS, /* ERR_BUF -2 Buffer error. */
EWOULDBLOCK, /* ERR_TIMEOUT -3 Timeout */
EHOSTUNREACH, /* ERR_RTE -4 Routing problem. */
EINPROGRESS, /* ERR_INPROGRESS -5 Operation in progress */
EINVAL, /* ERR_VAL -6 Illegal value. */
EWOULDBLOCK, /* ERR_WOULDBLOCK -7 Operation would block. */
EADDRINUSE, /* ERR_USE -8 Address in use. */
EALREADY, /* ERR_ALREADY -9 Already connecting. */
EISCONN, /* ERR_ISCONN -10 Conn already established.*/
ENOTCONN, /* ERR_CONN -11 Not connected. */
-1, /* ERR_IF -12 Low-level netif error */
ECONNABORTED, /* ERR_ABRT -13 Connection aborted. */
ECONNRESET, /* ERR_RST -14 Connection reset. */
ENOTCONN, /* ERR_CLSD -15 Connection closed. */
EIO /* ERR_ARG -16 Illegal argument. */
};
int
err_to_errno(err_t err)
{
if ((err > 0) || (-err >= (err_t)LWIP_ARRAYSIZE(err_to_errno_table))) {
return EIO;
}
return err_to_errno_table[-err];
}
#endif /* !NO_SYS */
#ifdef LWIP_DEBUG
static const char *err_strerr[] = {
"Ok.", /* ERR_OK 0 */
"Out of memory error.", /* ERR_MEM -1 */
"Buffer error.", /* ERR_BUF -2 */
"Timeout.", /* ERR_TIMEOUT -3 */
"Routing problem.", /* ERR_RTE -4 */
"Operation in progress.", /* ERR_INPROGRESS -5 */
"Illegal value.", /* ERR_VAL -6 */
"Operation would block.", /* ERR_WOULDBLOCK -7 */
"Address in use.", /* ERR_USE -8 */
"Already connecting.", /* ERR_ALREADY -9 */
"Already connected.", /* ERR_ISCONN -10 */
"Not connected.", /* ERR_CONN -11 */
"Low-level netif error.", /* ERR_IF -12 */
"Connection aborted.", /* ERR_ABRT -13 */
"Connection reset.", /* ERR_RST -14 */
"Connection closed.", /* ERR_CLSD -15 */
"Illegal argument." /* ERR_ARG -16 */
};
/**
* Convert an lwip internal error to a string representation.
*
* @param err an lwip internal err_t
* @return a string representation for err
*/
const char *
lwip_strerr(err_t err)
{
if ((err > 0) || (-err >= (err_t)LWIP_ARRAYSIZE(err_strerr))) {
return "Unknown error.";
}
return err_strerr[-err];
}
#endif /* LWIP_DEBUG */

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/**
* @file
* Interface Identification APIs from:
* RFC 3493: Basic Socket Interface Extensions for IPv6
* Section 4: Interface Identification
*
* @defgroup if_api Interface Identification API
* @ingroup socket
*/
/*
* Copyright (c) 2017 Joel Cunningham, Garmin International, Inc. <joel.cunningham@garmin.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Joel Cunningham <joel.cunningham@me.com>
*
*/
#include "lwip/opt.h"
#if LWIP_SOCKET
#include "lwip/errno.h"
#include "lwip/if_api.h"
#include "lwip/netifapi.h"
#include "lwip/priv/sockets_priv.h"
/**
* @ingroup if_api
* Maps an interface index to its corresponding name.
* @param ifindex interface index
* @param ifname shall point to a buffer of at least {IF_NAMESIZE} bytes
* @return If ifindex is an interface index, then the function shall return the
* value supplied in ifname, which points to a buffer now containing the interface name.
* Otherwise, the function shall return a NULL pointer.
*/
char *
lwip_if_indextoname(unsigned int ifindex, char *ifname)
{
#if LWIP_NETIF_API
if (ifindex <= 0xff) {
err_t err = netifapi_netif_index_to_name((u8_t)ifindex, ifname);
if (!err && ifname[0] != '\0') {
return ifname;
}
}
#else /* LWIP_NETIF_API */
LWIP_UNUSED_ARG(ifindex);
LWIP_UNUSED_ARG(ifname);
#endif /* LWIP_NETIF_API */
set_errno(ENXIO);
return NULL;
}
/**
* @ingroup if_api
* Returs the interface index corresponding to name ifname.
* @param ifname Interface name
* @return The corresponding index if ifname is the name of an interface;
* otherwise, zero.
*/
unsigned int
lwip_if_nametoindex(const char *ifname)
{
#if LWIP_NETIF_API
err_t err;
u8_t idx;
err = netifapi_netif_name_to_index(ifname, &idx);
if (!err) {
return idx;
}
#else /* LWIP_NETIF_API */
LWIP_UNUSED_ARG(ifname);
#endif /* LWIP_NETIF_API */
return 0; /* invalid index */
}
#endif /* LWIP_SOCKET */

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