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+/******************************************************************************
+ *
+ * Copyright (C) 2003-2012 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.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the interface file for advanced audio/video call-out functions.
+ *
+ ******************************************************************************/
+#ifndef BTA_AV_CO_H
+#define BTA_AV_CO_H
+
+#include "l2c_api.h"
+#include "bta_av_api.h"
+
+/*****************************************************************************
+** Constants and data types
+*****************************************************************************/
+
+/* TRUE to use SCMS-T content protection */
+#ifndef BTA_AV_CO_CP_SCMS_T
+#define BTA_AV_CO_CP_SCMS_T FALSE
+#endif
+
+/* the content protection IDs assigned by BT SIG */
+#define BTA_AV_CP_SCMS_T_ID 0x0002
+#define BTA_AV_CP_DTCP_ID 0x0001
+
+#define BTA_AV_CP_LOSC 2
+#define BTA_AV_CP_INFO_LEN 3
+
+#define BTA_AV_CP_SCMS_COPY_MASK 3
+#define BTA_AV_CP_SCMS_COPY_FREE 2
+#define BTA_AV_CP_SCMS_COPY_ONCE 1
+#define BTA_AV_CP_SCMS_COPY_NEVER 0
+
+#define BTA_AV_CO_DEFAULT_AUDIO_OFFSET AVDT_MEDIA_OFFSET
+
+enum
+{
+ BTA_AV_CO_ST_INIT,
+ BTA_AV_CO_ST_IN,
+ BTA_AV_CO_ST_OUT,
+ BTA_AV_CO_ST_OPEN,
+ BTA_AV_CO_ST_STREAM
+};
+
+
+/* data type for the Audio Codec Information*/
+typedef struct
+{
+ UINT16 bit_rate; /* SBC encoder bit rate in kbps */
+ UINT16 bit_rate_busy; /* SBC encoder bit rate in kbps */
+ UINT16 bit_rate_swampd;/* SBC encoder bit rate in kbps */
+ UINT8 busy_level; /* Busy level indicating the bit-rate to be used */
+ UINT8 codec_info[AVDT_CODEC_SIZE];
+ UINT8 codec_type; /* Codec type */
+} tBTA_AV_AUDIO_CODEC_INFO;
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_init
+**
+** Description This callout function is executed by AV when it is
+** started by calling BTA_AvEnable(). This function can be
+** used by the phone to initialize audio paths or for other
+** initialization purposes.
+**
+**
+** Returns Stream codec and content protection capabilities info.
+**
+*******************************************************************************/
+BTA_API extern BOOLEAN bta_av_co_audio_init(UINT8 *p_codec_type, UINT8 *p_codec_info,
+ UINT8 *p_num_protect, UINT8 *p_protect_info, UINT8 index);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_disc_res
+**
+** Description This callout function is executed by AV to report the
+** number of stream end points (SEP) were found during the
+** AVDT stream discovery process.
+**
+**
+** Returns void.
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_audio_disc_res(tBTA_AV_HNDL hndl, UINT8 num_seps,
+ UINT8 num_snk, BD_ADDR addr);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_disc_res
+**
+** Description This callout function is executed by AV to report the
+** number of stream end points (SEP) were found during the
+** AVDT stream discovery process.
+**
+**
+** Returns void.
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_video_disc_res(tBTA_AV_HNDL hndl, UINT8 num_seps,
+ UINT8 num_snk, BD_ADDR addr);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_getconfig
+**
+** Description This callout function is executed by AV to retrieve the
+** desired codec and content protection configuration for the
+** audio stream.
+**
+**
+** Returns Stream codec and content protection configuration info.
+**
+*******************************************************************************/
+BTA_API extern UINT8 bta_av_co_audio_getconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid,
+ UINT8 *p_num_protect, UINT8 *p_protect_info);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_getconfig
+**
+** Description This callout function is executed by AV to retrieve the
+** desired codec and content protection configuration for the
+** video stream.
+**
+**
+** Returns Stream codec and content protection configuration info.
+**
+*******************************************************************************/
+BTA_API extern UINT8 bta_av_co_video_getconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid,
+ UINT8 *p_num_protect, UINT8 *p_protect_info);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_setconfig
+**
+** Description This callout function is executed by AV to set the
+** codec and content protection configuration of the audio stream.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_audio_setconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr,
+ UINT8 num_protect, UINT8 *p_protect_info);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_setconfig
+**
+** Description This callout function is executed by AV to set the
+** codec and content protection configuration of the video stream.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_video_setconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr,
+ UINT8 num_protect, UINT8 *p_protect_info);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_open
+**
+** Description This function is called by AV when the audio stream connection
+** is opened.
+** BTA-AV maintains the MTU of A2DP streams.
+** If this is the 2nd audio stream, mtu is the smaller of the 2
+** streams.
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_audio_open(tBTA_AV_HNDL hndl,
+ tBTA_AV_CODEC codec_type, UINT8 *p_codec_info,
+ UINT16 mtu);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_open
+**
+** Description This function is called by AV when the video stream connection
+** is opened.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_video_open(tBTA_AV_HNDL hndl,
+ tBTA_AV_CODEC codec_type, UINT8 *p_codec_info,
+ UINT16 mtu);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_close
+**
+** Description This function is called by AV when the audio stream connection
+** is closed.
+** BTA-AV maintains the MTU of A2DP streams.
+** When one stream is closed and no other audio stream is open,
+** mtu is reported as 0.
+** Otherwise, the MTU remains open is reported.
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_audio_close(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT16 mtu);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_close
+**
+** Description This function is called by AV when the video stream connection
+** is closed.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_video_close(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT16 mtu);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_start
+**
+** Description This function is called by AV when the audio streaming data
+** transfer is started.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_audio_start(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, BOOLEAN *p_no_rtp_hdr);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_start
+**
+** Description This function is called by AV when the video streaming data
+** transfer is started.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_video_start(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, BOOLEAN *p_no_rtp_hdr);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_stop
+**
+** Description This function is called by AV when the audio streaming data
+** transfer is stopped.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_audio_stop(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_stop
+**
+** Description This function is called by AV when the video streaming data
+** transfer is stopped.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_video_stop(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_src_data_path
+**
+** Description This function is called to get the next data buffer from
+** the audio codec
+**
+** Returns NULL if data is not ready.
+** Otherwise, a GKI buffer (BT_HDR*) containing the audio data.
+**
+*******************************************************************************/
+BTA_API extern void * bta_av_co_audio_src_data_path(tBTA_AV_CODEC codec_type,
+ UINT32 *p_len, UINT32 *p_timestamp);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_src_data_path
+**
+** Description This function is called to get the next data buffer from
+** the video codec.
+**
+** Returns NULL if data is not ready.
+** Otherwise, a video data buffer (UINT8*).
+**
+*******************************************************************************/
+BTA_API extern void * bta_av_co_video_src_data_path(tBTA_AV_CODEC codec_type,
+ UINT32 *p_len, UINT32 *p_timestamp);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_drop
+**
+** Description An Audio packet is dropped. .
+** It's very likely that the connected headset with this handle
+** is moved far away. The implementation may want to reduce
+** the encoder bit rate setting to reduce the packet size.
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_audio_drop(tBTA_AV_HNDL hndl);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_report_conn
+**
+** Description This function is called by AV when the reporting channel is
+** opened (open=TRUE) or closed (open=FALSE).
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_video_report_conn (BOOLEAN open, UINT8 avdt_handle);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_report_rr
+**
+** Description This function is called by AV when a Receiver Report is
+** received
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_video_report_rr (UINT32 packet_lost);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_delay
+**
+** Description This function is called by AV when the audio stream connection
+** needs to send the initial delay report to the connected SRC.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_audio_delay(tBTA_AV_HNDL hndl, UINT16 delay);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_delay
+**
+** Description This function is called by AV when the video stream connection
+** needs to send the initial delay report to the connected SRC.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+BTA_API extern void bta_av_co_video_delay(tBTA_AV_HNDL hndl, UINT16 delay);
+
+#endif /* BTA_AV_CO_H */
+
generated by cgit v1.1 at 2024-05-02 01:43:05 +0000