// 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.h * * Description: Common definitions for A2DP * *******************************************************************************/ #ifndef __BTC_A2DP_H__ #define __BTC_A2DP_H__ #include #include "bt_target.h" #include "bta_api.h" #include "btc_av_api.h" #include "esp_a2dp_api.h" #if BTC_AV_INCLUDED /******************************************************************************* ** Constants *******************************************************************************/ #define BTC_AV_SUCCESS (0) /** * AV (Audio Video source) Errors */ #define BTC_ERROR_SRV_AV_NOT_ENABLED 700 /* AV is not enabled */ #define BTC_ERROR_SRV_AV_FEEDING_NOT_SUPPORTED 701 /* Requested Feeding not supported */ #define BTC_ERROR_SRV_AV_BUSY 702 /* Another operation ongoing */ #define BTC_ERROR_SRV_AV_NOT_OPENED 703 /* No AV link opened */ #define BTC_ERROR_SRV_AV_NOT_STARTED 704 /* AV is not started */ #define BTC_ERROR_SRV_AV_CP_NOT_SUPPORTED 705 /* Content protection is not supported by all headsets */ /* Transcoding definition for TxTranscoding and RxTranscoding */ #define BTC_MEDIA_TRSCD_OFF 0 #define BTC_MEDIA_TRSCD_PCM_2_SBC 1 /* Tx */ /******************************************************************************* ** Data types *******************************************************************************/ typedef int tBTC_AV_STATUS; /******************************************************************************* ** Public functions *******************************************************************************/ void btc_a2dp_on_init(void); /******************************************************************************* ** ** Function btc_a2dp_on_idle ** ** Description Process 'idle' request from BTC AV state machine during ** initialization ** *******************************************************************************/ void btc_a2dp_on_idle(void); /******************************************************************************* ** ** Function btc_a2dp_on_started ** ** Description Process 'start' request from BTC AV state machine to prepare ** for A2DP streaming ** ** Return TRUE if an ACK for the local command is sent ** *******************************************************************************/ BOOLEAN btc_a2dp_on_started(tBTA_AV_START *p_av, BOOLEAN pending_start); /******************************************************************************* ** ** Function btc_a2dp_on_stopped ** ** Description Process 'stop' request from BTC AV state machine to stop ** A2DP streaming ** *******************************************************************************/ void btc_a2dp_on_stopped(tBTA_AV_SUSPEND *p_av); /******************************************************************************* ** ** Function btc_a2dp_on_suspended ** ** Description Process 'stop' request from BTC AV state machine to suspend ** A2DP streaming ** *******************************************************************************/ void btc_a2dp_on_suspended(tBTA_AV_SUSPEND *p_av); #endif /* #if BTC_AV_INCLUDED */ #endif /* __BTC_A2DP_H__ */