1 /****************************************************************************** 2 * 3 * Copyright (C) 2009-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /***************************************************************************** 20 ** 21 ** Name: btif_av_api.h 22 ** 23 ** Description: This is the public interface file for the advanced 24 ** audio/video streaming (AV) subsystem of BTIF, Broadcom's 25 ** Bluetooth application layer for mobile phones. 26 ** 27 *****************************************************************************/ 28 29 #ifndef BTIF_AV_API_H 30 #define BTIF_AV_API_H 31 32 #include "bt_target.h" 33 #include "bta_av_api.h" 34 #include "uipc.h" 35 36 #include "btif_media.h" 37 #include "a2d_api.h" 38 #include "a2d_sbc.h" 39 40 41 /***************************************************************************** 42 ** Constants and data types 43 *****************************************************************************/ 44 45 /* Codec type */ 46 #define BTIF_AV_CODEC_NONE 0xFF 47 #define BTIF_AV_CODEC_SBC A2D_MEDIA_CT_SBC /* SBC media codec type */ 48 49 #define BTIF_AV_CODEC_PCM 0x5 /* Raw PCM */ 50 51 typedef UINT8 tBTIF_AV_CODEC_ID; 52 53 /* AV features masks */ 54 #define BTIF_AV_FEAT_RCTG BTA_AV_FEAT_RCTG /* remote control target */ 55 #define BTIF_AV_FEAT_RCCT BTA_AV_FEAT_RCCT /* remote control controller */ 56 #define BTIF_AV_FEAT_METADATA BTA_AV_FEAT_METADATA /* remote control Metadata Transfer command/response */ 57 58 typedef UINT16 tBTIF_AV_FEAT; 59 60 /* AV channel values */ 61 #define BTIF_AV_CHNL_MSK BTA_AV_CHNL_MSK 62 #define BTIF_AV_CHNL_AUDIO BTA_AV_CHNL_AUDIO /* audio channel */ 63 #define BTIF_AV_CHNL_VIDEO BTA_AV_CHNL_VIDEO /* video channel */ 64 typedef UINT8 tBTIF_AV_CHNL; 65 66 typedef UINT8 tBTIF_AV_HNDL; 67 68 /* Operation id list for BTIF_AvRemoteCmd */ 69 #define BTIF_AV_ID_SELECT 0x00 /* select */ 70 #define BTIF_AV_ID_UP 0x01 /* up */ 71 #define BTIF_AV_ID_DOWN 0x02 /* down */ 72 #define BTIF_AV_ID_LEFT 0x03 /* left */ 73 #define BTIF_AV_ID_RIGHT 0x04 /* right */ 74 #define BTIF_AV_ID_RIGHT_UP 0x05 /* right-up */ 75 #define BTIF_AV_ID_RIGHT_DOWN 0x06 /* right-down */ 76 #define BTIF_AV_ID_LEFT_UP 0x07 /* left-up */ 77 #define BTIF_AV_ID_LEFT_DOWN 0x08 /* left-down */ 78 #define BTIF_AV_ID_ROOT_MENU 0x09 /* root menu */ 79 #define BTIF_AV_ID_SETUP_MENU 0x0A /* setup menu */ 80 #define BTIF_AV_ID_CONT_MENU 0x0B /* contents menu */ 81 #define BTIF_AV_ID_FAV_MENU 0x0C /* favorite menu */ 82 #define BTIF_AV_ID_EXIT 0x0D /* exit */ 83 #define BTIF_AV_ID_0 0x20 /* 0 */ 84 #define BTIF_AV_ID_1 0x21 /* 1 */ 85 #define BTIF_AV_ID_2 0x22 /* 2 */ 86 #define BTIF_AV_ID_3 0x23 /* 3 */ 87 #define BTIF_AV_ID_4 0x24 /* 4 */ 88 #define BTIF_AV_ID_5 0x25 /* 5 */ 89 #define BTIF_AV_ID_6 0x26 /* 6 */ 90 #define BTIF_AV_ID_7 0x27 /* 7 */ 91 #define BTIF_AV_ID_8 0x28 /* 8 */ 92 #define BTIF_AV_ID_9 0x29 /* 9 */ 93 #define BTIF_AV_ID_DOT 0x2A /* dot */ 94 #define BTIF_AV_ID_ENTER 0x2B /* enter */ 95 #define BTIF_AV_ID_CLEAR 0x2C /* clear */ 96 #define BTIF_AV_ID_CHAN_UP 0x30 /* channel up */ 97 #define BTIF_AV_ID_CHAN_DOWN 0x31 /* channel down */ 98 #define BTIF_AV_ID_PREV_CHAN 0x32 /* previous channel */ 99 #define BTIF_AV_ID_SOUND_SEL 0x33 /* sound select */ 100 #define BTIF_AV_ID_INPUT_SEL 0x34 /* input select */ 101 #define BTIF_AV_ID_DISP_INFO 0x35 /* display information */ 102 #define BTIF_AV_ID_HELP 0x36 /* help */ 103 #define BTIF_AV_ID_PAGE_UP 0x37 /* page up */ 104 #define BTIF_AV_ID_PAGE_DOWN 0x38 /* page down */ 105 #define BTIF_AV_ID_POWER 0x40 /* power */ 106 #define BTIF_AV_ID_VOL_UP 0x41 /* volume up */ 107 #define BTIF_AV_ID_VOL_DOWN 0x42 /* volume down */ 108 #define BTIF_AV_ID_MUTE 0x43 /* mute */ 109 #define BTIF_AV_ID_PLAY 0x44 /* play */ 110 #define BTIF_AV_ID_STOP 0x45 /* stop */ 111 #define BTIF_AV_ID_PAUSE 0x46 /* pause */ 112 #define BTIF_AV_ID_RECORD 0x47 /* record */ 113 #define BTIF_AV_ID_REWIND 0x48 /* rewind */ 114 #define BTIF_AV_ID_FAST_FOR 0x49 /* fast forward */ 115 #define BTIF_AV_ID_EJECT 0x4A /* eject */ 116 #define BTIF_AV_ID_FORWARD 0x4B /* forward */ 117 #define BTIF_AV_ID_BACKWARD 0x4C /* backward */ 118 #define BTIF_AV_ID_ANGLE 0x50 /* angle */ 119 #define BTIF_AV_ID_SUBPICT 0x51 /* subpicture */ 120 #define BTIF_AV_ID_F1 0x71 /* F1 */ 121 #define BTIF_AV_ID_F2 0x72 /* F2 */ 122 #define BTIF_AV_ID_F3 0x73 /* F3 */ 123 #define BTIF_AV_ID_F4 0x74 /* F4 */ 124 #define BTIF_AV_ID_F5 0x75 /* F5 */ 125 #define BTIF_AV_ID_VENDOR 0x7E /* vendor unique */ 126 #define BTIF_AV_KEYPRESSED_RELEASE 0x80 127 128 typedef UINT8 tBTIF_AV_RC; 129 130 /* State flag for pass through command */ 131 #define BTIF_AV_STATE_PRESS 0 /* key pressed */ 132 #define BTIF_AV_STATE_RELEASE 1 /* key released */ 133 134 typedef UINT8 tBTIF_AV_STATE; 135 136 typedef UINT8 tBTIF_AV_RC_HNDL; 137 138 /* Command codes for BTIF_AvVendorCmd */ 139 #define BTIF_AV_CMD_CTRL 0 140 #define BTIF_AV_CMD_STATUS 1 141 #define BTIF_AV_CMD_SPEC_INQ 2 142 #define BTIF_AV_CMD_NOTIF 3 143 #define BTIF_AV_CMD_GEN_INQ 4 144 145 typedef UINT8 tBTIF_AV_CMD; 146 147 /* AV callback events */ 148 #define BTIF_AV_OPEN_EVT 0 /* connection opened */ 149 #define BTIF_AV_CLOSE_EVT 1 /* connection closed */ 150 #define BTIF_AV_START_EVT 2 /* stream data transfer started */ 151 #define BTIF_AV_STOP_EVT 3 /* stream data transfer stopped */ 152 #define BTIF_AV_RC_OPEN_EVT 4 /* remote control channel open */ 153 #define BTIF_AV_RC_CLOSE_EVT 5 /* remote control channel closed */ 154 #define BTIF_AV_REMOTE_CMD_EVT 6 /* remote control command */ 155 #define BTIF_AV_REMOTE_RSP_EVT 7 /* remote control response */ 156 #define BTIF_AV_META_MSG_EVT 8 /* metadata messages */ 157 158 typedef UINT8 tBTIF_AV_EVT; 159 160 #define BTIF_AV_FEEDING_ASYNCHRONOUS 0 /* asynchronous feeding, use tx av timer */ 161 #define BTIF_AV_FEEDING_SYNCHRONOUS 1 /* synchronous feeding, no av tx timer */ 162 163 #define BTIF_AV_MAX_SYNCHRONOUS_LATENCY 80 /* max latency in ms for BTIF_AV_FEEDING_SYNCHRONOUS */ 164 #define BTIF_AV_MIN_SYNCHRONOUS_LATENCY 4 /* min latency in ms for BTIF_AV_FEEDING_SYNCHRONOUS */ 165 166 typedef UINT8 tBTIF_AV_FEEDING_MODE; 167 168 #define BTIF_AV_CHANNEL_MODE_MONO A2D_SBC_IE_CH_MD_MONO 169 #define BTIF_AV_CHANNEL_MODE_STEREO A2D_SBC_IE_CH_MD_STEREO 170 #define BTIF_AV_CHANNEL_MODE_JOINT A2D_SBC_IE_CH_MD_JOINT 171 #define BTIF_AV_CHANNEL_MODE_DUAL A2D_SBC_IE_CH_MD_DUAL 172 173 typedef UINT8 tBTIF_AV_CHANNEL_MODE; 174 175 /** 176 * Structure used to configure the AV codec capabilities/config 177 */ 178 typedef struct 179 { 180 tBTIF_AV_CODEC_ID id; /* Codec ID (in terms of BTIF) */ 181 UINT8 info[AVDT_CODEC_SIZE]; /* Codec info (can be config or capabilities) */ 182 } tBTIF_AV_CODEC_INFO; 183 184 /** 185 * Structure used to configure the AV media feeding 186 */ 187 typedef struct 188 { 189 UINT16 sampling_freq; /* 44100, 48000 etc */ 190 UINT16 num_channel; /* 1 for mono or 2 stereo */ 191 UINT8 bit_per_sample; /* Number of bits per sample (8, 16) */ 192 } tBTIF_AV_MEDIA_FEED_CFG_PCM; 193 194 typedef union 195 { 196 tBTIF_AV_MEDIA_FEED_CFG_PCM pcm; /* Raw PCM feeding format */ 197 }tBTIF_AV_MEDIA_FEED_CFG; 198 199 typedef struct 200 { 201 tBTIF_AV_CODEC_ID format; /* Media codec identifier */ 202 tBTIF_AV_MEDIA_FEED_CFG cfg; /* Media codec configuration */ 203 } tBTIF_AV_MEDIA_FEEDINGS; 204 205 206 #ifdef __cplusplus 207 } 208 #endif 209 210 #endif /* BTIF_AV_API_H */ 211