res was declared as “bool” so expression ((count == 0) ? A2D_SET_ONE_BIT : A2D_SET_MULTL_BIT) always evaluated to “true”, and was implicitly converted to A2D_SET_ONE_BIT.
412 lines
15 KiB
C
412 lines
15 KiB
C
/******************************************************************************
|
|
*
|
|
* Copyright (C) 2002-2012 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.
|
|
*
|
|
******************************************************************************/
|
|
|
|
/******************************************************************************
|
|
*
|
|
* ommon API for the Advanced Audio Distribution Profile (A2DP)
|
|
*
|
|
******************************************************************************/
|
|
#include <string.h>
|
|
#include "common/bt_target.h"
|
|
#include "stack/sdpdefs.h"
|
|
#include "stack/a2d_api.h"
|
|
#include "a2d_int.h"
|
|
#include "stack/avdt_api.h"
|
|
#include "osi/allocator.h"
|
|
|
|
#if (defined(A2D_INCLUDED) && A2D_INCLUDED == TRUE)
|
|
|
|
/*****************************************************************************
|
|
** Global data
|
|
*****************************************************************************/
|
|
#if A2D_DYNAMIC_MEMORY == FALSE
|
|
tA2D_CB a2d_cb;
|
|
#else
|
|
tA2D_CB *a2d_cb_ptr;
|
|
#endif
|
|
|
|
|
|
/******************************************************************************
|
|
**
|
|
** Function a2d_sdp_cback
|
|
**
|
|
** Description This is the SDP callback function used by A2D_FindService.
|
|
** This function will be executed by SDP when the service
|
|
** search is completed. If the search is successful, it
|
|
** finds the first record in the database that matches the
|
|
** UUID of the search. Then retrieves various parameters
|
|
** from the record. When it is finished it calls the
|
|
** application callback function.
|
|
**
|
|
** Returns Nothing.
|
|
**
|
|
******************************************************************************/
|
|
static void a2d_sdp_cback(UINT16 status)
|
|
{
|
|
tSDP_DISC_REC *p_rec = NULL;
|
|
tSDP_DISC_ATTR *p_attr;
|
|
BOOLEAN found = FALSE;
|
|
tA2D_Service a2d_svc;
|
|
tSDP_PROTOCOL_ELEM elem;
|
|
|
|
A2D_TRACE_API("a2d_sdp_cback status: %d", status);
|
|
|
|
if (status == SDP_SUCCESS) {
|
|
/* loop through all records we found */
|
|
do {
|
|
/* get next record; if none found, we're done */
|
|
if ((p_rec = SDP_FindServiceInDb(a2d_cb.find.p_db,
|
|
a2d_cb.find.service_uuid, p_rec)) == NULL) {
|
|
break;
|
|
}
|
|
memset(&a2d_svc, 0, sizeof(tA2D_Service));
|
|
|
|
/* get service name */
|
|
if ((p_attr = SDP_FindAttributeInRec(p_rec,
|
|
ATTR_ID_SERVICE_NAME)) != NULL) {
|
|
a2d_svc.p_service_name = (char *) p_attr->attr_value.v.array;
|
|
a2d_svc.service_len = SDP_DISC_ATTR_LEN(p_attr->attr_len_type);
|
|
}
|
|
|
|
/* get provider name */
|
|
if ((p_attr = SDP_FindAttributeInRec(p_rec,
|
|
ATTR_ID_PROVIDER_NAME)) != NULL) {
|
|
a2d_svc.p_provider_name = (char *) p_attr->attr_value.v.array;
|
|
a2d_svc.provider_len = SDP_DISC_ATTR_LEN(p_attr->attr_len_type);
|
|
}
|
|
|
|
/* get supported features */
|
|
if ((p_attr = SDP_FindAttributeInRec(p_rec,
|
|
ATTR_ID_SUPPORTED_FEATURES)) != NULL) {
|
|
a2d_svc.features = p_attr->attr_value.v.u16;
|
|
}
|
|
|
|
/* get AVDTP version */
|
|
if (SDP_FindProtocolListElemInRec(p_rec, UUID_PROTOCOL_AVDTP, &elem)) {
|
|
a2d_svc.avdt_version = elem.params[0];
|
|
A2D_TRACE_DEBUG("avdt_version: 0x%x", a2d_svc.avdt_version);
|
|
}
|
|
|
|
/* we've got everything, we're done */
|
|
found = TRUE;
|
|
break;
|
|
|
|
} while (TRUE);
|
|
}
|
|
|
|
a2d_cb.find.service_uuid = 0;
|
|
/* return info from sdp record in app callback function */
|
|
if (a2d_cb.find.p_cback != NULL) {
|
|
(*a2d_cb.find.p_cback)(found, &a2d_svc);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function a2d_set_avdt_sdp_ver
|
|
**
|
|
** Description This function allows the script wrapper to change the
|
|
** avdt version of a2dp.
|
|
**
|
|
** Returns None
|
|
**
|
|
*******************************************************************************/
|
|
void a2d_set_avdt_sdp_ver (UINT16 avdt_sdp_ver)
|
|
{
|
|
a2d_cb.avdt_sdp_ver = avdt_sdp_ver;
|
|
}
|
|
|
|
/******************************************************************************
|
|
**
|
|
** Function A2D_AddRecord
|
|
**
|
|
** Description This function is called by a server application to add
|
|
** SRC or SNK information to an SDP record. Prior to
|
|
** calling this function the application must call
|
|
** SDP_CreateRecord() to create an SDP record.
|
|
**
|
|
** Input Parameters:
|
|
** service_uuid: Indicates SRC or SNK.
|
|
**
|
|
** p_service_name: Pointer to a null-terminated character
|
|
** string containing the service name.
|
|
**
|
|
** p_provider_name: Pointer to a null-terminated character
|
|
** string containing the provider name.
|
|
**
|
|
** features: Profile supported features.
|
|
**
|
|
** sdp_handle: SDP handle returned by SDP_CreateRecord().
|
|
**
|
|
** Output Parameters:
|
|
** None.
|
|
**
|
|
** Returns A2D_SUCCESS if function execution succeeded,
|
|
** A2D_INVALID_PARAMS if bad parameters are given.
|
|
** A2D_FAIL if function execution failed.
|
|
**
|
|
******************************************************************************/
|
|
tA2D_STATUS A2D_AddRecord(UINT16 service_uuid, char *p_service_name, char *p_provider_name,
|
|
UINT16 features, UINT32 sdp_handle)
|
|
{
|
|
UINT16 browse_list[1];
|
|
BOOLEAN result = TRUE;
|
|
UINT8 temp[8];
|
|
UINT8 *p;
|
|
tSDP_PROTOCOL_ELEM proto_list [A2D_NUM_PROTO_ELEMS];
|
|
|
|
A2D_TRACE_API("A2D_AddRecord uuid: %x", service_uuid);
|
|
|
|
if ( (sdp_handle == 0) ||
|
|
(service_uuid != UUID_SERVCLASS_AUDIO_SOURCE && service_uuid != UUID_SERVCLASS_AUDIO_SINK) ) {
|
|
return A2D_INVALID_PARAMS;
|
|
}
|
|
|
|
/* add service class id list */
|
|
result &= SDP_AddServiceClassIdList(sdp_handle, 1, &service_uuid);
|
|
|
|
memset((void *) proto_list, 0 , A2D_NUM_PROTO_ELEMS * sizeof(tSDP_PROTOCOL_ELEM));
|
|
|
|
/* add protocol descriptor list */
|
|
proto_list[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
|
|
proto_list[0].num_params = 1;
|
|
proto_list[0].params[0] = AVDT_PSM;
|
|
proto_list[1].protocol_uuid = UUID_PROTOCOL_AVDTP;
|
|
proto_list[1].num_params = 1;
|
|
proto_list[1].params[0] = a2d_cb.avdt_sdp_ver;
|
|
|
|
result &= SDP_AddProtocolList(sdp_handle, A2D_NUM_PROTO_ELEMS, proto_list);
|
|
|
|
/* add profile descriptor list */
|
|
result &= SDP_AddProfileDescriptorList(sdp_handle, UUID_SERVCLASS_ADV_AUDIO_DISTRIBUTION, A2D_VERSION);
|
|
|
|
/* add supported feature */
|
|
if (features != 0) {
|
|
p = temp;
|
|
UINT16_TO_BE_STREAM(p, features);
|
|
result &= SDP_AddAttribute(sdp_handle, ATTR_ID_SUPPORTED_FEATURES, UINT_DESC_TYPE,
|
|
(UINT32)2, (UINT8 *)temp);
|
|
}
|
|
|
|
/* add provider name */
|
|
if (p_provider_name != NULL) {
|
|
result &= SDP_AddAttribute(sdp_handle, ATTR_ID_PROVIDER_NAME, TEXT_STR_DESC_TYPE,
|
|
(UINT32)(strlen(p_provider_name) + 1), (UINT8 *) p_provider_name);
|
|
}
|
|
|
|
/* add service name */
|
|
if (p_service_name != NULL) {
|
|
result &= SDP_AddAttribute(sdp_handle, ATTR_ID_SERVICE_NAME, TEXT_STR_DESC_TYPE,
|
|
(UINT32)(strlen(p_service_name) + 1), (UINT8 *) p_service_name);
|
|
}
|
|
|
|
/* add browse group list */
|
|
browse_list[0] = UUID_SERVCLASS_PUBLIC_BROWSE_GROUP;
|
|
result &= SDP_AddUuidSequence(sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, browse_list);
|
|
|
|
|
|
return (result ? A2D_SUCCESS : A2D_FAIL);
|
|
}
|
|
|
|
/******************************************************************************
|
|
**
|
|
** Function A2D_FindService
|
|
**
|
|
** Description This function is called by a client application to
|
|
** perform service discovery and retrieve SRC or SNK SDP
|
|
** record information from a server. Information is
|
|
** returned for the first service record found on the
|
|
** server that matches the service UUID. The callback
|
|
** function will be executed when service discovery is
|
|
** complete. There can only be one outstanding call to
|
|
** A2D_FindService() at a time; the application must wait
|
|
** for the callback before it makes another call to
|
|
** the function.
|
|
**
|
|
** Input Parameters:
|
|
** service_uuid: Indicates SRC or SNK.
|
|
**
|
|
** bd_addr: BD address of the peer device.
|
|
**
|
|
** p_db: Pointer to the information to initialize
|
|
** the discovery database.
|
|
**
|
|
** p_cback: Pointer to the A2D_FindService()
|
|
** callback function.
|
|
**
|
|
** Output Parameters:
|
|
** None.
|
|
**
|
|
** Returns A2D_SUCCESS if function execution succeeded,
|
|
** A2D_INVALID_PARAMS if bad parameters are given.
|
|
** A2D_BUSY if discovery is already in progress.
|
|
** A2D_FAIL if function execution failed.
|
|
**
|
|
******************************************************************************/
|
|
tA2D_STATUS A2D_FindService(UINT16 service_uuid, BD_ADDR bd_addr,
|
|
tA2D_SDP_DB_PARAMS *p_db, tA2D_FIND_CBACK *p_cback)
|
|
{
|
|
tSDP_UUID uuid_list;
|
|
BOOLEAN result = TRUE;
|
|
UINT16 a2d_attr_list[] = {ATTR_ID_SERVICE_CLASS_ID_LIST, /* update A2D_NUM_ATTR, if changed */
|
|
ATTR_ID_BT_PROFILE_DESC_LIST,
|
|
ATTR_ID_SUPPORTED_FEATURES,
|
|
ATTR_ID_SERVICE_NAME,
|
|
ATTR_ID_PROTOCOL_DESC_LIST,
|
|
ATTR_ID_PROVIDER_NAME
|
|
};
|
|
|
|
A2D_TRACE_API("A2D_FindService uuid: %x", service_uuid);
|
|
if ( (service_uuid != UUID_SERVCLASS_AUDIO_SOURCE && service_uuid != UUID_SERVCLASS_AUDIO_SINK) ||
|
|
p_db == NULL || p_db->p_db == NULL || p_cback == NULL) {
|
|
return A2D_INVALID_PARAMS;
|
|
}
|
|
|
|
if ( a2d_cb.find.service_uuid == UUID_SERVCLASS_AUDIO_SOURCE ||
|
|
a2d_cb.find.service_uuid == UUID_SERVCLASS_AUDIO_SINK) {
|
|
return A2D_BUSY;
|
|
}
|
|
|
|
/* set up discovery database */
|
|
uuid_list.len = LEN_UUID_16;
|
|
uuid_list.uu.uuid16 = service_uuid;
|
|
|
|
if (p_db->p_attrs == NULL || p_db->num_attr == 0) {
|
|
p_db->p_attrs = a2d_attr_list;
|
|
p_db->num_attr = A2D_NUM_ATTR;
|
|
}
|
|
|
|
result = SDP_InitDiscoveryDb(p_db->p_db, p_db->db_len, 1, &uuid_list, p_db->num_attr,
|
|
p_db->p_attrs);
|
|
|
|
if (result == TRUE) {
|
|
/* store service_uuid and discovery db pointer */
|
|
a2d_cb.find.p_db = p_db->p_db;
|
|
a2d_cb.find.service_uuid = service_uuid;
|
|
a2d_cb.find.p_cback = p_cback;
|
|
|
|
/* perform service search */
|
|
result = SDP_ServiceSearchAttributeRequest(bd_addr, p_db->p_db, a2d_sdp_cback);
|
|
if (FALSE == result) {
|
|
a2d_cb.find.service_uuid = 0;
|
|
}
|
|
}
|
|
|
|
return (result ? A2D_SUCCESS : A2D_FAIL);
|
|
}
|
|
|
|
/******************************************************************************
|
|
**
|
|
** Function A2D_SetTraceLevel
|
|
**
|
|
** Description Sets the trace level for A2D. If 0xff is passed, the
|
|
** current trace level is returned.
|
|
**
|
|
** Input Parameters:
|
|
** new_level: The level to set the A2D tracing to:
|
|
** 0xff-returns the current setting.
|
|
** 0-turns off tracing.
|
|
** >= 1-Errors.
|
|
** >= 2-Warnings.
|
|
** >= 3-APIs.
|
|
** >= 4-Events.
|
|
** >= 5-Debug.
|
|
**
|
|
** Returns The new trace level or current trace level if
|
|
** the input parameter is 0xff.
|
|
**
|
|
******************************************************************************/
|
|
UINT8 A2D_SetTraceLevel (UINT8 new_level)
|
|
{
|
|
if (new_level != 0xFF) {
|
|
a2d_cb.trace_level = new_level;
|
|
}
|
|
|
|
return (a2d_cb.trace_level);
|
|
}
|
|
|
|
/******************************************************************************
|
|
** Function A2D_BitsSet
|
|
**
|
|
** Description Check the given num for the number of bits set
|
|
** Returns A2D_SET_ONE_BIT, if one and only one bit is set
|
|
** A2D_SET_ZERO_BIT, if all bits clear
|
|
** A2D_SET_MULTL_BIT, if multiple bits are set
|
|
******************************************************************************/
|
|
UINT8 A2D_BitsSet(UINT8 num)
|
|
{
|
|
UINT8 count;
|
|
UINT8 res;
|
|
if (num == 0) {
|
|
res = A2D_SET_ZERO_BIT;
|
|
} else {
|
|
count = (num & (num - 1));
|
|
res = ((count == 0) ? A2D_SET_ONE_BIT : A2D_SET_MULTL_BIT);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function A2D_Init
|
|
**
|
|
** Description This function is called to initialize the control block
|
|
** for this layer. It must be called before accessing any
|
|
** other API functions for this layer. It is typically called
|
|
** once during the start up of the stack.
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void A2D_Init(void)
|
|
{
|
|
#if (A2D_DYNAMIC_MEMORY)
|
|
a2d_cb_ptr = (tA2D_CB *)osi_malloc(sizeof(tA2D_CB));
|
|
#endif /* #if (A2D_DYNAMIC_MEMORY) */
|
|
memset(&a2d_cb, 0, sizeof(tA2D_CB));
|
|
|
|
a2d_cb.avdt_sdp_ver = AVDT_VERSION;
|
|
|
|
#if defined(A2D_INITIAL_TRACE_LEVEL)
|
|
a2d_cb.trace_level = A2D_INITIAL_TRACE_LEVEL;
|
|
#else
|
|
a2d_cb.trace_level = BT_TRACE_LEVEL_NONE;
|
|
#endif
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function A2D_Deinit
|
|
**
|
|
** Description This function is called to deinitialize the control block
|
|
** for this layer.
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void A2D_Deinit(void)
|
|
{
|
|
#if (A2D_DYNAMIC_MEMORY)
|
|
osi_free(a2d_cb_ptr);
|
|
a2d_cb_ptr = NULL;
|
|
#endif /* #if (A2D_DYNAMIC_MEMORY) */
|
|
}
|
|
|
|
#endif /* #if (defined(A2D_INCLUDED) && A2D_INCLUDED == TRUE) */
|