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/******************************************************************************
*
* Copyright (C) 2009-2012 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.
*
******************************************************************************/
/*****************************************************************************
**
** Name: btif_av_api.h
**
** Description: This is the public interface file for the advanced
** audio/video streaming (AV) subsystem of BTIF, Broadcom's
** Bluetooth application layer for mobile phones.
**
*****************************************************************************/
#ifndef BTIF_AV_API_H
#define BTIF_AV_API_H
#include "bt_target.h"
#include "bta_av_api.h"
#include "uipc.h"
#include "btif_media.h"
#include "a2d_api.h"
#include "a2d_sbc.h"
/*****************************************************************************
** Constants and data types
*****************************************************************************/
/* Codec type */
#define BTIF_AV_CODEC_NONE 0xFF
#define BTIF_AV_CODEC_SBC A2D_MEDIA_CT_SBC /* SBC media codec type */
#define BTIF_AV_CODEC_PCM 0x5 /* Raw PCM */
typedef UINT8 tBTIF_AV_CODEC_ID;
/* AV features masks */
#define BTIF_AV_FEAT_RCTG BTA_AV_FEAT_RCTG /* remote control target */
#define BTIF_AV_FEAT_RCCT BTA_AV_FEAT_RCCT /* remote control controller */
#define BTIF_AV_FEAT_METADATA BTA_AV_FEAT_METADATA /* remote control Metadata Transfer command/response */
typedef UINT16 tBTIF_AV_FEAT;
/* AV channel values */
#define BTIF_AV_CHNL_MSK BTA_AV_CHNL_MSK
#define BTIF_AV_CHNL_AUDIO BTA_AV_CHNL_AUDIO /* audio channel */
#define BTIF_AV_CHNL_VIDEO BTA_AV_CHNL_VIDEO /* video channel */
typedef UINT8 tBTIF_AV_CHNL;
typedef UINT8 tBTIF_AV_HNDL;
/* Operation id list for BTIF_AvRemoteCmd */
#define BTIF_AV_ID_SELECT 0x00 /* select */
#define BTIF_AV_ID_UP 0x01 /* up */
#define BTIF_AV_ID_DOWN 0x02 /* down */
#define BTIF_AV_ID_LEFT 0x03 /* left */
#define BTIF_AV_ID_RIGHT 0x04 /* right */
#define BTIF_AV_ID_RIGHT_UP 0x05 /* right-up */
#define BTIF_AV_ID_RIGHT_DOWN 0x06 /* right-down */
#define BTIF_AV_ID_LEFT_UP 0x07 /* left-up */
#define BTIF_AV_ID_LEFT_DOWN 0x08 /* left-down */
#define BTIF_AV_ID_ROOT_MENU 0x09 /* root menu */
#define BTIF_AV_ID_SETUP_MENU 0x0A /* setup menu */
#define BTIF_AV_ID_CONT_MENU 0x0B /* contents menu */
#define BTIF_AV_ID_FAV_MENU 0x0C /* favorite menu */
#define BTIF_AV_ID_EXIT 0x0D /* exit */
#define BTIF_AV_ID_0 0x20 /* 0 */
#define BTIF_AV_ID_1 0x21 /* 1 */
#define BTIF_AV_ID_2 0x22 /* 2 */
#define BTIF_AV_ID_3 0x23 /* 3 */
#define BTIF_AV_ID_4 0x24 /* 4 */
#define BTIF_AV_ID_5 0x25 /* 5 */
#define BTIF_AV_ID_6 0x26 /* 6 */
#define BTIF_AV_ID_7 0x27 /* 7 */
#define BTIF_AV_ID_8 0x28 /* 8 */
#define BTIF_AV_ID_9 0x29 /* 9 */
#define BTIF_AV_ID_DOT 0x2A /* dot */
#define BTIF_AV_ID_ENTER 0x2B /* enter */
#define BTIF_AV_ID_CLEAR 0x2C /* clear */
#define BTIF_AV_ID_CHAN_UP 0x30 /* channel up */
#define BTIF_AV_ID_CHAN_DOWN 0x31 /* channel down */
#define BTIF_AV_ID_PREV_CHAN 0x32 /* previous channel */
#define BTIF_AV_ID_SOUND_SEL 0x33 /* sound select */
#define BTIF_AV_ID_INPUT_SEL 0x34 /* input select */
#define BTIF_AV_ID_DISP_INFO 0x35 /* display information */
#define BTIF_AV_ID_HELP 0x36 /* help */
#define BTIF_AV_ID_PAGE_UP 0x37 /* page up */
#define BTIF_AV_ID_PAGE_DOWN 0x38 /* page down */
#define BTIF_AV_ID_POWER 0x40 /* power */
#define BTIF_AV_ID_VOL_UP 0x41 /* volume up */
#define BTIF_AV_ID_VOL_DOWN 0x42 /* volume down */
#define BTIF_AV_ID_MUTE 0x43 /* mute */
#define BTIF_AV_ID_PLAY 0x44 /* play */
#define BTIF_AV_ID_STOP 0x45 /* stop */
#define BTIF_AV_ID_PAUSE 0x46 /* pause */
#define BTIF_AV_ID_RECORD 0x47 /* record */
#define BTIF_AV_ID_REWIND 0x48 /* rewind */
#define BTIF_AV_ID_FAST_FOR 0x49 /* fast forward */
#define BTIF_AV_ID_EJECT 0x4A /* eject */
#define BTIF_AV_ID_FORWARD 0x4B /* forward */
#define BTIF_AV_ID_BACKWARD 0x4C /* backward */
#define BTIF_AV_ID_ANGLE 0x50 /* angle */
#define BTIF_AV_ID_SUBPICT 0x51 /* subpicture */
#define BTIF_AV_ID_F1 0x71 /* F1 */
#define BTIF_AV_ID_F2 0x72 /* F2 */
#define BTIF_AV_ID_F3 0x73 /* F3 */
#define BTIF_AV_ID_F4 0x74 /* F4 */
#define BTIF_AV_ID_F5 0x75 /* F5 */
#define BTIF_AV_ID_VENDOR 0x7E /* vendor unique */
#define BTIF_AV_KEYPRESSED_RELEASE 0x80
typedef UINT8 tBTIF_AV_RC;
/* State flag for pass through command */
#define BTIF_AV_STATE_PRESS 0 /* key pressed */
#define BTIF_AV_STATE_RELEASE 1 /* key released */
typedef UINT8 tBTIF_AV_STATE;
typedef UINT8 tBTIF_AV_RC_HNDL;
/* Command codes for BTIF_AvVendorCmd */
#define BTIF_AV_CMD_CTRL 0
#define BTIF_AV_CMD_STATUS 1
#define BTIF_AV_CMD_SPEC_INQ 2
#define BTIF_AV_CMD_NOTIF 3
#define BTIF_AV_CMD_GEN_INQ 4
typedef UINT8 tBTIF_AV_CMD;
/* AV callback events */
#define BTIF_AV_OPEN_EVT 0 /* connection opened */
#define BTIF_AV_CLOSE_EVT 1 /* connection closed */
#define BTIF_AV_START_EVT 2 /* stream data transfer started */
#define BTIF_AV_STOP_EVT 3 /* stream data transfer stopped */
#define BTIF_AV_RC_OPEN_EVT 4 /* remote control channel open */
#define BTIF_AV_RC_CLOSE_EVT 5 /* remote control channel closed */
#define BTIF_AV_REMOTE_CMD_EVT 6 /* remote control command */
#define BTIF_AV_REMOTE_RSP_EVT 7 /* remote control response */
#define BTIF_AV_META_MSG_EVT 8 /* metadata messages */
typedef UINT8 tBTIF_AV_EVT;
#define BTIF_AV_FEEDING_ASYNCHRONOUS 0 /* asynchronous feeding, use tx av timer */
#define BTIF_AV_FEEDING_SYNCHRONOUS 1 /* synchronous feeding, no av tx timer */
#define BTIF_AV_MAX_SYNCHRONOUS_LATENCY 80 /* max latency in ms for BTIF_AV_FEEDING_SYNCHRONOUS */
#define BTIF_AV_MIN_SYNCHRONOUS_LATENCY 4 /* min latency in ms for BTIF_AV_FEEDING_SYNCHRONOUS */
typedef UINT8 tBTIF_AV_FEEDING_MODE;
#define BTIF_AV_CHANNEL_MODE_MONO A2D_SBC_IE_CH_MD_MONO
#define BTIF_AV_CHANNEL_MODE_STEREO A2D_SBC_IE_CH_MD_STEREO
#define BTIF_AV_CHANNEL_MODE_JOINT A2D_SBC_IE_CH_MD_JOINT
#define BTIF_AV_CHANNEL_MODE_DUAL A2D_SBC_IE_CH_MD_DUAL
typedef UINT8 tBTIF_AV_CHANNEL_MODE;
/**
* Structure used to configure the AV codec capabilities/config
*/
typedef struct
{
tBTIF_AV_CODEC_ID id; /* Codec ID (in terms of BTIF) */
UINT8 info[AVDT_CODEC_SIZE]; /* Codec info (can be config or capabilities) */
} tBTIF_AV_CODEC_INFO;
/**
* Structure used to configure the AV media feeding
*/
typedef struct
{
UINT16 sampling_freq; /* 44100, 48000 etc */
UINT16 num_channel; /* 1 for mono or 2 stereo */
UINT8 bit_per_sample; /* Number of bits per sample (8, 16) */
} tBTIF_AV_MEDIA_FEED_CFG_PCM;
typedef union
{
tBTIF_AV_MEDIA_FEED_CFG_PCM pcm; /* Raw PCM feeding format */
}tBTIF_AV_MEDIA_FEED_CFG;
typedef struct
{
tBTIF_AV_CODEC_ID format; /* Media codec identifier */
tBTIF_AV_MEDIA_FEED_CFG cfg; /* Media codec configuration */
} tBTIF_AV_MEDIA_FEEDINGS;
#ifdef __cplusplus
}
#endif
#endif /* BTIF_AV_API_H */
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