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components/bt/host/bluedroid/btc/profile/std/a2dp/btc_a2dp.c
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/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/*****************************************************************************
*
* Filename: btc_a2dp.c
*
*****************************************************************************/
#include "common/bt_target.h"
#include "common/bt_trace.h"
#include "bta/bta_api.h"
#include "bta/bta_av_api.h"
#include "btc_av.h"
#include "btc_av_co.h"
#include "btc_a2dp.h"
#include "btc_a2dp_control.h"
#include "btc_a2dp_sink.h"
#include "btc_a2dp_source.h"
#if BTC_AV_INCLUDED
/*****************************************************************************
**
** Function btc_a2dp_on_init
**
*******************************************************************************/
void btc_a2dp_on_init(void)
{
BTC_TRACE_EVENT("A2DP Initialized.");
}
/*****************************************************************************
**
** Function btc_a2dp_on_idle
**
*******************************************************************************/
void btc_a2dp_on_idle(void)
{
APPL_TRACE_EVENT("## ON A2DP IDLE ## peer_sep = %d, service id = %d", btc_av_get_peer_sep(),
btc_av_get_service_id());
#if BTC_AV_SRC_INCLUDED
if (btc_av_get_peer_sep() == AVDT_TSEP_SNK && btc_av_get_service_id() == BTA_A2DP_SOURCE_SERVICE_ID) {
btc_a2dp_source_on_idle();
}
#endif // BTC_AV_SRC_INCLUDED
bta_av_co_init();
#if BTC_AV_SINK_INCLUDED
if (btc_av_get_peer_sep() == AVDT_TSEP_SRC && btc_av_get_service_id() == BTA_A2DP_SINK_SERVICE_ID) {
btc_a2dp_sink_on_idle();
}
#endif // BTC_AV_SINK_INCLUDED
}
/*****************************************************************************
**
** Function btc_a2dp_on_started
**
** Description
**
** Returns
**
*******************************************************************************/
BOOLEAN btc_a2dp_on_started(tBTA_AV_START *p_av, BOOLEAN pending_start)
{
BOOLEAN ack = FALSE;
APPL_TRACE_EVENT("## ON A2DP STARTED ##");
#if BTC_AV_SRC_INCLUDED
if (p_av == NULL) {
/* ack back a local start request */
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_SUCCESS);
return TRUE;
}
if (p_av->status == BTA_AV_SUCCESS) {
if (p_av->suspending == FALSE) {
if (p_av->initiator) {
if (pending_start) {
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_SUCCESS);
ack = TRUE;
}
} else {
/* we were remotely started, make sure codec
is setup before datapath is started */
btc_a2dp_source_setup_codec();
}
/* media task is autostarted upon a2dp audiopath connection */
}
} else if (pending_start) {
btc_a2dp_control_command_ack(ESP_A2D_MEDIA_CTRL_ACK_FAILURE);
ack = TRUE;
}
#endif /* BTC_AV_SRC_INCLUDED */
return ack;
}
/*****************************************************************************
**
** Function btc_a2dp_on_stopped
**
*******************************************************************************/
void btc_a2dp_on_stopped(tBTA_AV_SUSPEND *p_av)
{
APPL_TRACE_EVENT("## ON A2DP STOPPED ##");
#if BTC_AV_SINK_INCLUDED
if (btc_av_get_peer_sep() == AVDT_TSEP_SRC && btc_av_get_service_id() == BTA_A2DP_SINK_SERVICE_ID) {
btc_a2dp_sink_on_stopped(p_av);
return;
}
#endif // BTC_AV_SINK_INCLUDED
#if BTC_AV_SRC_INCLUDED
btc_a2dp_source_on_stopped(p_av);
#endif // BTC_AV_SRC_INCLUDED
}
/*****************************************************************************
**
** Function btc_a2dp_on_suspended
**
*******************************************************************************/
void btc_a2dp_on_suspended(tBTA_AV_SUSPEND *p_av)
{
APPL_TRACE_EVENT("## ON A2DP SUSPENDED ##");
#if BTC_AV_SINK_INCLUDED
if (btc_av_get_peer_sep() == AVDT_TSEP_SRC && btc_av_get_service_id() == BTA_A2DP_SINK_SERVICE_ID) {
btc_a2dp_sink_on_suspended(p_av);
return;
}
#endif // BTC_AV_SINK_INCLUDED
#if BTC_AV_SRC_INCLUDED
btc_a2dp_source_on_suspended(p_av);
#endif // BTC_AV_SRC_INCLUDED
}
#endif /* #if BTC_AV_INCLUDED */
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