Earlier they have to be selected at the compile time through sdkconfig. A2DP sink and source application tested with this change. Signed-off-by: Amey Inamdar <amey@espressif.com>
221 lines
7 KiB
C
221 lines
7 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// 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.
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* Filename: btc_a2dp_control.c
|
|
*
|
|
*****************************************************************************/
|
|
#include "common/bt_target.h"
|
|
#include <string.h>
|
|
#include "common/bt_trace.h"
|
|
#include "bta/bta_api.h"
|
|
#include "bta/bta_av_api.h"
|
|
#include "btc/btc_manage.h"
|
|
#include "btc_av.h"
|
|
#include "btc_a2dp.h"
|
|
#include "btc_a2dp_control.h"
|
|
#include "btc_a2dp_sink.h"
|
|
#include "btc_a2dp_source.h"
|
|
#include "esp_a2dp_api.h"
|
|
|
|
#if BTC_AV_INCLUDED
|
|
|
|
typedef struct {
|
|
BOOLEAN data_channel_open;
|
|
UINT8 a2dp_cmd_pending; /* we can have max one command pending */
|
|
} tBTC_AA_CTRL_CB;
|
|
|
|
static tBTC_AA_CTRL_CB btc_aa_ctrl_cb;
|
|
|
|
static inline void btc_a2d_cb_to_app(esp_a2d_cb_event_t event, esp_a2d_cb_param_t *param)
|
|
{
|
|
esp_a2d_cb_t btc_a2d_cb = (esp_a2d_cb_t)btc_profile_cb_get(BTC_PID_A2DP);
|
|
if (btc_a2d_cb) {
|
|
btc_a2d_cb(event, param);
|
|
}
|
|
}
|
|
|
|
static inline void a2dp_cmd_acknowledge(int cmd, int status)
|
|
{
|
|
esp_a2d_cb_param_t param;
|
|
|
|
param.media_ctrl_stat.cmd = cmd;
|
|
param.media_ctrl_stat.status = status;
|
|
|
|
btc_a2d_cb_to_app(ESP_A2D_MEDIA_CTRL_ACK_EVT, ¶m);
|
|
}
|
|
|
|
void btc_a2dp_control_command_ack(int status)
|
|
{
|
|
/* sanity check */
|
|
if (btc_aa_ctrl_cb.a2dp_cmd_pending == ESP_A2D_MEDIA_CTRL_NONE) {
|
|
APPL_TRACE_ERROR("warning : no command pending, ignore ack");
|
|
return;
|
|
}
|
|
|
|
/* clear pending */
|
|
int cmd = btc_aa_ctrl_cb.a2dp_cmd_pending;
|
|
btc_aa_ctrl_cb.a2dp_cmd_pending = ESP_A2D_MEDIA_CTRL_NONE;
|
|
|
|
a2dp_cmd_acknowledge(cmd, status);
|
|
}
|
|
|
|
static void btc_a2dp_datapath_open(void)
|
|
{
|
|
#if BTC_AV_SRC_INCLUDED
|
|
if (btc_av_get_peer_sep() == AVDT_TSEP_SNK && btc_av_get_service_id() == BTA_A2DP_SOURCE_SERVICE_ID) {
|
|
/* Start the media task to encode SBC */
|
|
btc_a2dp_source_start_audio_req();
|
|
|
|
/* make sure we update any changed sbc encoder params */
|
|
btc_a2dp_source_encoder_update();
|
|
}
|
|
#endif
|
|
btc_aa_ctrl_cb.data_channel_open = TRUE;
|
|
}
|
|
|
|
BOOLEAN btc_a2dp_control_get_datachnl_stat(void)
|
|
{
|
|
return btc_aa_ctrl_cb.data_channel_open;
|
|
}
|
|
|
|
void btc_a2dp_control_set_datachnl_stat(BOOLEAN open)
|
|
{
|
|
btc_aa_ctrl_cb.data_channel_open = open;
|
|
}
|
|
|
|
static void btc_a2dp_dispatch_datapath_evt(uint32_t dp_evt)
|
|
{
|
|
btc_msg_t msg;
|
|
msg.sig = BTC_SIG_API_CALL;
|
|
msg.pid = BTC_PID_A2DP;
|
|
msg.act = BTC_AV_DATAPATH_CTRL_EVT;
|
|
|
|
btc_av_args_t arg;
|
|
memset(&arg, 0, sizeof(btc_av_args_t));
|
|
arg.dp_evt = dp_evt;
|
|
|
|
/* Switch to BTC context */
|
|
APPL_TRACE_DEBUG("%s sig %u act %u, dp_evt %u\n", __func__, msg.sig, msg.act, arg.dp_evt);
|
|
btc_transfer_context(&msg, &arg, sizeof(btc_av_args_t), NULL);
|
|
}
|
|
|
|
void btc_a2dp_control_media_ctrl(esp_a2d_media_ctrl_t ctrl)
|
|
{
|
|
APPL_TRACE_DEBUG("BTC MEDIA (A2DP-DATA) EVENT %u", ctrl);
|
|
|
|
if (btc_aa_ctrl_cb.a2dp_cmd_pending != ESP_A2D_MEDIA_CTRL_NONE) {
|
|
APPL_TRACE_DEBUG("un-acked a2dp cmd: %u", btc_aa_ctrl_cb.a2dp_cmd_pending);
|
|
a2dp_cmd_acknowledge(ctrl, ESP_A2D_MEDIA_CTRL_ACK_BUSY);
|
|
return;
|
|
}
|
|
|
|
btc_aa_ctrl_cb.a2dp_cmd_pending = ctrl;
|
|
|
|
switch (ctrl) {
|
|
case ESP_A2D_MEDIA_CTRL_CHECK_SRC_RDY:
|
|
#if BTC_AV_SRC_INCLUDED
|
|
if (btc_a2dp_source_is_task_shutting_down()) {
|
|
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_FAILURE);
|
|
} else if ((btc_av_stream_ready() == TRUE) ||
|
|
(btc_av_stream_started_ready() == TRUE)) {
|
|
/* check whether av is ready to setup a2dp datapath */
|
|
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_SUCCESS);
|
|
} else {
|
|
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_FAILURE);
|
|
}
|
|
#else /* BTC_AV_SRC_INCLUDED */
|
|
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_FAILURE);
|
|
#endif /* #if BTC_AV_SRC_INCLUDED */
|
|
break;
|
|
case ESP_A2D_MEDIA_CTRL_START:
|
|
if (btc_av_stream_ready() == TRUE ) {
|
|
/* post start event and wait for audio path to open */
|
|
btc_dispatch_sm_event(BTC_AV_START_STREAM_REQ_EVT, NULL, 0);
|
|
|
|
btc_a2dp_dispatch_datapath_evt(BTC_AV_DATAPATH_OPEN_EVT);
|
|
#if (BTC_AV_SINK_INCLUDED == TRUE)
|
|
if (btc_av_get_peer_sep() == AVDT_TSEP_SRC && btc_av_get_service_id() == BTA_A2DP_SINK_SERVICE_ID) {
|
|
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_SUCCESS);
|
|
}
|
|
#endif
|
|
} else if (btc_av_stream_started_ready()) {
|
|
btc_a2dp_dispatch_datapath_evt(BTC_AV_DATAPATH_OPEN_EVT);
|
|
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_SUCCESS);
|
|
} else {
|
|
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_FAILURE);
|
|
}
|
|
break;
|
|
case ESP_A2D_MEDIA_CTRL_STOP:
|
|
#if BTC_AV_SRC_INCLUDED
|
|
if (btc_av_get_peer_sep() == AVDT_TSEP_SNK && !btc_a2dp_source_is_streaming() &&
|
|
btc_av_get_service_id() == BTA_A2DP_SOURCE_SERVICE_ID) {
|
|
/* we are already stopped, just ack back*/
|
|
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_SUCCESS);
|
|
break;
|
|
}
|
|
#endif /* BTC_AV_SRC_INCLUDED */
|
|
btc_dispatch_sm_event(BTC_AV_STOP_STREAM_REQ_EVT, NULL, 0);
|
|
#if (BTC_AV_SINK_INCLUDED == TRUE)
|
|
if (btc_av_get_peer_sep() == AVDT_TSEP_SRC && btc_av_get_service_id() == BTA_A2DP_SINK_SERVICE_ID) {
|
|
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_SUCCESS);
|
|
}
|
|
#endif
|
|
break;
|
|
|
|
case ESP_A2D_MEDIA_CTRL_SUSPEND:
|
|
/* local suspend */
|
|
if (btc_av_stream_started_ready()) {
|
|
btc_dispatch_sm_event(BTC_AV_SUSPEND_STREAM_REQ_EVT, NULL, 0);
|
|
} else {
|
|
/* we are not in started state; just ack back ok. This can happen if we are
|
|
remotely suspended; clear REMOTE SUSPEND Flag */
|
|
btc_av_clear_remote_suspend_flag();
|
|
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_SUCCESS);
|
|
}
|
|
break;
|
|
|
|
default :
|
|
APPL_TRACE_ERROR("### A2DP-MEDIA EVENT %u NOT HANDLED ###", ctrl);
|
|
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_FAILURE);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void btc_a2dp_control_datapath_ctrl(uint32_t dp_evt)
|
|
{
|
|
switch (dp_evt) {
|
|
case BTC_AV_DATAPATH_OPEN_EVT: {
|
|
btc_a2dp_datapath_open();
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
bool btc_a2dp_control_init(void)
|
|
{
|
|
memset(&btc_aa_ctrl_cb, 0, sizeof(tBTC_AA_CTRL_CB));
|
|
return true;
|
|
}
|
|
|
|
void btc_a2dp_control_cleanup(void)
|
|
{
|
|
memset(&btc_aa_ctrl_cb, 0, sizeof(tBTC_AA_CTRL_CB));
|
|
}
|
|
|
|
#endif /* #if BTC_AV_INCLUDED */
|