392 lines
15 KiB
C
392 lines
15 KiB
C
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/******************************************************************************
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*
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* Copyright (C) 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/video 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 "l2c_api.h"
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#include "bta_av_api.h"
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/*****************************************************************************
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** Constants and data types
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*****************************************************************************/
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/* TRUE to use SCMS-T content protection */
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#ifndef BTA_AV_CO_CP_SCMS_T
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#define BTA_AV_CO_CP_SCMS_T FALSE
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#endif
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/* the content protection IDs assigned by BT SIG */
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#define BTA_AV_CP_SCMS_T_ID 0x0002
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#define BTA_AV_CP_DTCP_ID 0x0001
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#define BTA_AV_CP_LOSC 2
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#define BTA_AV_CP_INFO_LEN 3
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#define BTA_AV_CP_SCMS_COPY_MASK 3
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#define BTA_AV_CP_SCMS_COPY_FREE 2
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#define BTA_AV_CP_SCMS_COPY_ONCE 1
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#define BTA_AV_CP_SCMS_COPY_NEVER 0
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#define BTA_AV_CO_DEFAULT_AUDIO_OFFSET AVDT_MEDIA_OFFSET
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enum
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{
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BTA_AV_CO_ST_INIT,
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BTA_AV_CO_ST_IN,
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BTA_AV_CO_ST_OUT,
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BTA_AV_CO_ST_OPEN,
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BTA_AV_CO_ST_STREAM
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};
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/* data type for the Audio Codec Information*/
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typedef struct
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{
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UINT16 bit_rate; /* SBC encoder bit rate in kbps */
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UINT16 bit_rate_busy; /* SBC encoder bit rate in kbps */
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UINT16 bit_rate_swampd;/* SBC encoder bit rate in kbps */
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UINT8 busy_level; /* Busy level indicating the bit-rate to be used */
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UINT8 codec_info[AVDT_CODEC_SIZE];
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UINT8 codec_type; /* Codec type */
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} tBTA_AV_AUDIO_CODEC_INFO;
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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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extern BOOLEAN bta_av_co_audio_init(UINT8 *p_codec_type, UINT8 *p_codec_info,
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UINT8 *p_num_protect, UINT8 *p_protect_info, UINT8 index);
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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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extern void bta_av_co_audio_disc_res(tBTA_AV_HNDL hndl, UINT8 num_seps,
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UINT8 num_snk, UINT8 num_src, BD_ADDR addr, UINT16 uuid_local);
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/*******************************************************************************
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**
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** Function bta_av_co_video_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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extern void bta_av_co_video_disc_res(tBTA_AV_HNDL hndl, UINT8 num_seps,
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UINT8 num_snk, BD_ADDR addr);
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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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extern UINT8 bta_av_co_audio_getconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
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UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid,
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UINT8 *p_num_protect, UINT8 *p_protect_info);
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/*******************************************************************************
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**
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** Function bta_av_co_video_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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** video 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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extern UINT8 bta_av_co_video_getconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
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UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid,
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UINT8 *p_num_protect, UINT8 *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 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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extern void bta_av_co_audio_setconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
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UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr,
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UINT8 num_protect, UINT8 *p_protect_info,UINT8 t_local_sep, UINT8 avdt_handle);
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/*******************************************************************************
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**
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** Function bta_av_co_video_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 video 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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extern void bta_av_co_video_setconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
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UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr,
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UINT8 num_protect, UINT8 *p_protect_info);
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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 connection
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** 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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extern void bta_av_co_audio_open(tBTA_AV_HNDL hndl,
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tBTA_AV_CODEC codec_type, UINT8 *p_codec_info,
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UINT16 mtu);
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/*******************************************************************************
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**
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** Function bta_av_co_video_open
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**
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** Description This function is called by AV when the video stream connection
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** is opened.
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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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extern void bta_av_co_video_open(tBTA_AV_HNDL hndl,
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tBTA_AV_CODEC codec_type, UINT8 *p_codec_info,
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UINT16 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 connection
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** 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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extern void bta_av_co_audio_close(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
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UINT16 mtu);
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/*******************************************************************************
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**
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** Function bta_av_co_video_close
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**
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** Description This function is called by AV when the video stream connection
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** is closed.
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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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extern void bta_av_co_video_close(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
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UINT16 mtu);
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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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extern void bta_av_co_audio_start(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
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UINT8 *p_codec_info, BOOLEAN *p_no_rtp_hdr);
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/*******************************************************************************
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**
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** Function bta_av_co_video_start
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**
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** Description This function is called by AV when the video 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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extern void bta_av_co_video_start(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
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UINT8 *p_codec_info, BOOLEAN *p_no_rtp_hdr);
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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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extern void bta_av_co_audio_stop(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type);
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/*******************************************************************************
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**
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** Function bta_av_co_video_stop
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**
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** Description This function is called by AV when the video 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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extern void bta_av_co_video_stop(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type);
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/*******************************************************************************
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**
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** Function bta_av_co_audio_src_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 GKI buffer (BT_HDR*) containing the audio data.
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**
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*******************************************************************************/
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extern void * bta_av_co_audio_src_data_path(tBTA_AV_CODEC codec_type,
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UINT32 *p_len, UINT32 *p_timestamp);
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/*******************************************************************************
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**
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** Function bta_av_co_video_src_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 video codec.
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**
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** Returns NULL if data is not ready.
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** Otherwise, a video data buffer (UINT8*).
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**
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*******************************************************************************/
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extern void * bta_av_co_video_src_data_path(tBTA_AV_CODEC codec_type,
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UINT32 *p_len, UINT32 *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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extern void bta_av_co_audio_drop(tBTA_AV_HNDL hndl);
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/*******************************************************************************
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**
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** Function bta_av_co_video_report_conn
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**
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** Description This function is called by AV when the reporting channel is
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** opened (open=TRUE) or closed (open=FALSE).
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**
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** Returns void
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**
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*******************************************************************************/
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extern void bta_av_co_video_report_conn (BOOLEAN open, UINT8 avdt_handle);
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/*******************************************************************************
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**
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** Function bta_av_co_video_report_rr
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**
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** Description This function is called by AV when a Receiver Report is
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** received
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**
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** Returns void
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**
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*******************************************************************************/
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extern void bta_av_co_video_report_rr (UINT32 packet_lost);
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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 connection
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** needs to send the initial delay report to the 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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extern void bta_av_co_audio_delay(tBTA_AV_HNDL hndl, UINT16 delay);
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/*******************************************************************************
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**
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** Function bta_av_co_video_delay
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**
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** Description This function is called by AV when the video stream connection
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** needs to send the initial delay report to the 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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extern void bta_av_co_video_delay(tBTA_AV_HNDL hndl, UINT16 delay);
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#endif /* BTA_AV_CO_H */
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