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247 lines
9.8 KiB
247 lines
9.8 KiB
4 months ago
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/******************************************************************************
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*
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* Copyright 2003-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* This is the interface file for advanced audio call-out functions.
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*
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******************************************************************************/
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#ifndef BTA_AV_CO_H
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#define BTA_AV_CO_H
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#include <cstdint>
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#include "bta/include/bta_av_api.h"
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#include "include/hardware/bt_av.h"
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#include "stack/include/a2dp_error_codes.h"
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#include "stack/include/avdt_api.h"
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#include "types/raw_address.h"
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/*****************************************************************************
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* Constants and data types
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****************************************************************************/
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/*******************************************************************************
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*
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* Function bta_av_co_audio_init
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*
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* Description This callout function is executed by AV when it is
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* started by calling BTA_AvEnable(). This function can be
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* used by the phone to initialize audio paths or for other
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* initialization purposes.
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*
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*
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* Returns Stream codec and content protection capabilities info.
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*
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******************************************************************************/
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bool bta_av_co_audio_init(btav_a2dp_codec_index_t codec_index,
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AvdtpSepConfig* p_cfg);
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/*******************************************************************************
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*
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* Function bta_av_co_audio_disc_res
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*
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* Description This callout function is executed by AV to report the
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* number of stream end points (SEP) were found during the
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* AVDT stream discovery process.
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*
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*
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* Returns void.
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*
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******************************************************************************/
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void bta_av_co_audio_disc_res(tBTA_AV_HNDL bta_av_handle,
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const RawAddress& peer_address, uint8_t num_seps,
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uint8_t num_sinks, uint8_t num_sources,
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uint16_t uuid_local);
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/*******************************************************************************
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*
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* Function bta_av_co_audio_getconfig
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*
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* Description This callout function is executed by AV to retrieve the
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* desired codec and content protection configuration for the
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* audio stream.
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*
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*
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* Returns Stream codec and content protection configuration info.
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*
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******************************************************************************/
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tA2DP_STATUS bta_av_co_audio_getconfig(tBTA_AV_HNDL bta_av_handle,
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const RawAddress& peer_address,
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uint8_t* p_codec_info,
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uint8_t* p_sep_info_idx, uint8_t seid,
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uint8_t* p_num_protect,
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uint8_t* p_protect_info);
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/*******************************************************************************
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*
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* Function bta_av_co_audio_setconfig
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*
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* Description This callout function is executed by AV to set the
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* codec and content protection configuration of the audio
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* stream.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_av_co_audio_setconfig(tBTA_AV_HNDL bta_av_handle,
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const RawAddress& peer_address,
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const uint8_t* p_codec_info, uint8_t seid,
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uint8_t num_protect,
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const uint8_t* p_protect_info,
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uint8_t t_local_sep, uint8_t avdt_handle);
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/*******************************************************************************
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*
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* Function bta_av_co_audio_open
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*
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* Description This function is called by AV when the audio stream
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* connection is opened.
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* BTA-AV maintains the MTU of A2DP streams.
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* If this is the 2nd audio stream, mtu is the smaller of the 2
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* streams.
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*
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* Returns void
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*
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******************************************************************************/
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void bta_av_co_audio_open(tBTA_AV_HNDL bta_av_handle,
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const RawAddress& peer_address, uint16_t mtu);
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/*******************************************************************************
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*
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* Function bta_av_co_audio_close
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*
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* Description This function is called by AV when the audio stream
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* connection is closed.
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* BTA-AV maintains the MTU of A2DP streams.
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* When one stream is closed and no other audio stream is open,
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* mtu is reported as 0.
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* Otherwise, the MTU remains open is reported.
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*
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* Returns void
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*
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******************************************************************************/
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void bta_av_co_audio_close(tBTA_AV_HNDL bta_av_handle,
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const RawAddress& peer_address);
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/*******************************************************************************
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*
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* Function bta_av_co_audio_start
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*
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* Description This function is called by AV when the audio streaming data
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* transfer is started.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_av_co_audio_start(tBTA_AV_HNDL bta_av_handle,
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const RawAddress& peer_address,
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const uint8_t* p_codec_info, bool* p_no_rtp_header);
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/*******************************************************************************
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*
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* Function bta_av_co_audio_stop
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*
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* Description This function is called by AV when the audio streaming data
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* transfer is stopped.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_av_co_audio_stop(tBTA_AV_HNDL bta_av_handle,
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const RawAddress& peer_address);
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/*******************************************************************************
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*
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* Function bta_av_co_audio_source_data_path
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*
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* Description This function is called to get the next data buffer from
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* the audio codec
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*
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* Returns NULL if data is not ready.
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* Otherwise, a buffer (BT_HDR*) containing the audio data.
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*
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******************************************************************************/
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BT_HDR* bta_av_co_audio_source_data_path(const uint8_t* p_codec_info,
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uint32_t* p_timestamp);
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/*******************************************************************************
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*
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* Function bta_av_co_audio_drop
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*
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* Description An Audio packet is dropped.
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* It's very likely that the connected headset with this handle
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* is moved far away. The implementation may want to reduce
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* the encoder bit rate setting to reduce the packet size.
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*
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* Returns void
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*
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******************************************************************************/
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void bta_av_co_audio_drop(tBTA_AV_HNDL bta_av_handle,
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const RawAddress& peer_address);
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/*******************************************************************************
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*
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* Function bta_av_co_audio_delay
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*
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* Description This function is called by AV when the audio stream
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* connection needs to send the initial delay report to the
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* connected SRC.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_av_co_audio_delay(tBTA_AV_HNDL bta_av_handle,
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const RawAddress& peer_address, uint16_t delay);
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/*******************************************************************************
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*
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* Function bta_av_co_audio_update_mtu
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*
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* Description This function is called by AV when the audio stream
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* connection MTU needs to be updated.
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* BTA-AV maintains the MTU of A2DP streams.
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* If this is the 2nd audio stream, mtu is the smaller of the 2
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* streams.
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*
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* Returns void
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*
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******************************************************************************/
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void bta_av_co_audio_update_mtu(tBTA_AV_HNDL bta_av_handle,
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const RawAddress& peer_address, uint16_t mtu);
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/*******************************************************************************
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**
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** Function bta_av_co_get_scmst_info
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**
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** Description Get the SCMS-T information for the specific peer
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**
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** Returns btav_a2dp_scmst_info_t.
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** It contains the information of SCMS-T which are the SCMS-T
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** enable status for the specific peer and the SCMS-T header
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** if SCMS-T is enabled.
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**
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******************************************************************************/
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btav_a2dp_scmst_info_t bta_av_co_get_scmst_info(const RawAddress& peer_address);
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#endif /* BTA_AV_CO_H */
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