1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_AUDIOSYSTEM_LEGACY_H_ 18 #define ANDROID_AUDIOSYSTEM_LEGACY_H_ 19 20 #include <utils/Errors.h> 21 #include <media/AudioParameter.h> 22 23 #include <system/audio.h> 24 #include <system/audio_policy.h> 25 26 namespace android_audio_legacy { 27 28 using android::status_t; 29 using android::AudioParameter; 30 31 enum { 32 OK = android::OK, 33 NO_ERROR = android::NO_ERROR, 34 35 UNKNOWN_ERROR = android::UNKNOWN_ERROR, 36 37 NO_MEMORY = android::NO_MEMORY, 38 INVALID_OPERATION = android::INVALID_OPERATION, 39 BAD_VALUE = android::BAD_VALUE, 40 BAD_TYPE = android::BAD_TYPE, 41 NAME_NOT_FOUND = android::NAME_NOT_FOUND, 42 PERMISSION_DENIED = android::PERMISSION_DENIED, 43 NO_INIT = android::NO_INIT, 44 ALREADY_EXISTS = android::ALREADY_EXISTS, 45 DEAD_OBJECT = android::DEAD_OBJECT, 46 FAILED_TRANSACTION = android::FAILED_TRANSACTION, 47 BAD_INDEX = android::BAD_INDEX, 48 NOT_ENOUGH_DATA = android::NOT_ENOUGH_DATA, 49 WOULD_BLOCK = android::WOULD_BLOCK, 50 TIMED_OUT = android::TIMED_OUT, 51 UNKNOWN_TRANSACTION = android::UNKNOWN_TRANSACTION, 52 }; 53 54 enum audio_source { 55 AUDIO_SOURCE_DEFAULT = 0, 56 AUDIO_SOURCE_MIC = 1, 57 AUDIO_SOURCE_VOICE_UPLINK = 2, 58 AUDIO_SOURCE_VOICE_DOWNLINK = 3, 59 AUDIO_SOURCE_VOICE_CALL = 4, 60 AUDIO_SOURCE_CAMCORDER = 5, 61 AUDIO_SOURCE_VOICE_RECOGNITION = 6, 62 AUDIO_SOURCE_VOICE_COMMUNICATION = 7, 63 AUDIO_SOURCE_MAX = AUDIO_SOURCE_VOICE_COMMUNICATION, 64 65 AUDIO_SOURCE_LIST_END // must be last - used to validate audio source type 66 }; 67 68 class AudioSystem { 69 public: 70 #if 1 71 enum stream_type { 72 DEFAULT =-1, 73 VOICE_CALL = 0, 74 SYSTEM = 1, 75 RING = 2, 76 MUSIC = 3, 77 ALARM = 4, 78 NOTIFICATION = 5, 79 BLUETOOTH_SCO = 6, 80 ENFORCED_AUDIBLE = 7, // Sounds that cannot be muted by user and must be routed to speaker 81 DTMF = 8, 82 TTS = 9, 83 NUM_STREAM_TYPES 84 }; 85 86 // Audio sub formats (see AudioSystem::audio_format). 87 enum pcm_sub_format { 88 PCM_SUB_16_BIT = 0x1, // must be 1 for backward compatibility 89 PCM_SUB_8_BIT = 0x2, // must be 2 for backward compatibility 90 }; 91 92 enum audio_sessions { 93 SESSION_OUTPUT_STAGE = AUDIO_SESSION_OUTPUT_STAGE, 94 SESSION_OUTPUT_MIX = AUDIO_SESSION_OUTPUT_MIX, 95 }; 96 97 // MP3 sub format field definition : can use 11 LSBs in the same way as MP3 frame header to specify 98 // bit rate, stereo mode, version... 99 enum mp3_sub_format { 100 //TODO 101 }; 102 103 // AMR NB/WB sub format field definition: specify frame block interleaving, bandwidth efficient or octet aligned, 104 // encoding mode for recording... 105 enum amr_sub_format { 106 //TODO 107 }; 108 109 // AAC sub format field definition: specify profile or bitrate for recording... 110 enum aac_sub_format { 111 //TODO 112 }; 113 114 // VORBIS sub format field definition: specify quality for recording... 115 enum vorbis_sub_format { 116 //TODO 117 }; 118 119 // Audio format consists in a main format field (upper 8 bits) and a sub format field (lower 24 bits). 120 // The main format indicates the main codec type. The sub format field indicates options and parameters 121 // for each format. The sub format is mainly used for record to indicate for instance the requested bitrate 122 // or profile. It can also be used for certain formats to give informations not present in the encoded 123 // audio stream (e.g. octet alignement for AMR). 124 enum audio_format { 125 INVALID_FORMAT = -1, 126 FORMAT_DEFAULT = 0, 127 PCM = 0x00000000, // must be 0 for backward compatibility 128 MP3 = 0x01000000, 129 AMR_NB = 0x02000000, 130 AMR_WB = 0x03000000, 131 AAC = 0x04000000, 132 HE_AAC_V1 = 0x05000000, 133 HE_AAC_V2 = 0x06000000, 134 VORBIS = 0x07000000, 135 MAIN_FORMAT_MASK = 0xFF000000, 136 SUB_FORMAT_MASK = 0x00FFFFFF, 137 // Aliases 138 PCM_16_BIT = (PCM|PCM_SUB_16_BIT), 139 PCM_8_BIT = (PCM|PCM_SUB_8_BIT) 140 }; 141 142 enum audio_channels { 143 // output channels 144 CHANNEL_OUT_FRONT_LEFT = 0x1, 145 CHANNEL_OUT_FRONT_RIGHT = 0x2, 146 CHANNEL_OUT_FRONT_CENTER = 0x4, 147 CHANNEL_OUT_LOW_FREQUENCY = 0x8, 148 CHANNEL_OUT_BACK_LEFT = 0x10, 149 CHANNEL_OUT_BACK_RIGHT = 0x20, 150 CHANNEL_OUT_FRONT_LEFT_OF_CENTER = 0x40, 151 CHANNEL_OUT_FRONT_RIGHT_OF_CENTER = 0x80, 152 CHANNEL_OUT_BACK_CENTER = 0x100, 153 CHANNEL_OUT_SIDE_LEFT = 0x200, 154 CHANNEL_OUT_SIDE_RIGHT = 0x400, 155 CHANNEL_OUT_TOP_CENTER = 0x800, 156 CHANNEL_OUT_TOP_FRONT_LEFT = 0x1000, 157 CHANNEL_OUT_TOP_FRONT_CENTER = 0x2000, 158 CHANNEL_OUT_TOP_FRONT_RIGHT = 0x4000, 159 CHANNEL_OUT_TOP_BACK_LEFT = 0x8000, 160 CHANNEL_OUT_TOP_BACK_CENTER = 0x10000, 161 CHANNEL_OUT_TOP_BACK_RIGHT = 0x20000, 162 163 CHANNEL_OUT_MONO = CHANNEL_OUT_FRONT_LEFT, 164 CHANNEL_OUT_STEREO = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT), 165 CHANNEL_OUT_QUAD = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT | 166 CHANNEL_OUT_BACK_LEFT | CHANNEL_OUT_BACK_RIGHT), 167 CHANNEL_OUT_SURROUND = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT | 168 CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_BACK_CENTER), 169 CHANNEL_OUT_5POINT1 = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT | 170 CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_LOW_FREQUENCY | 171 CHANNEL_OUT_BACK_LEFT | CHANNEL_OUT_BACK_RIGHT), 172 // matches the correct AudioFormat.CHANNEL_OUT_7POINT1_SURROUND definition for 7.1 173 CHANNEL_OUT_7POINT1 = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT | 174 CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_LOW_FREQUENCY | 175 CHANNEL_OUT_BACK_LEFT | CHANNEL_OUT_BACK_RIGHT | 176 CHANNEL_OUT_SIDE_LEFT | CHANNEL_OUT_SIDE_RIGHT), 177 CHANNEL_OUT_ALL = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT | 178 CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_LOW_FREQUENCY | CHANNEL_OUT_BACK_LEFT | 179 CHANNEL_OUT_BACK_RIGHT | CHANNEL_OUT_FRONT_LEFT_OF_CENTER | 180 CHANNEL_OUT_FRONT_RIGHT_OF_CENTER | CHANNEL_OUT_BACK_CENTER | 181 CHANNEL_OUT_SIDE_LEFT | CHANNEL_OUT_SIDE_RIGHT | CHANNEL_OUT_TOP_CENTER | 182 CHANNEL_OUT_TOP_FRONT_LEFT | CHANNEL_OUT_TOP_FRONT_CENTER | 183 CHANNEL_OUT_TOP_FRONT_RIGHT | CHANNEL_OUT_TOP_BACK_LEFT | 184 CHANNEL_OUT_TOP_BACK_CENTER | CHANNEL_OUT_TOP_BACK_RIGHT), 185 186 // input channels 187 CHANNEL_IN_LEFT = 0x4, 188 CHANNEL_IN_RIGHT = 0x8, 189 CHANNEL_IN_FRONT = 0x10, 190 CHANNEL_IN_BACK = 0x20, 191 CHANNEL_IN_LEFT_PROCESSED = 0x40, 192 CHANNEL_IN_RIGHT_PROCESSED = 0x80, 193 CHANNEL_IN_FRONT_PROCESSED = 0x100, 194 CHANNEL_IN_BACK_PROCESSED = 0x200, 195 CHANNEL_IN_PRESSURE = 0x400, 196 CHANNEL_IN_X_AXIS = 0x800, 197 CHANNEL_IN_Y_AXIS = 0x1000, 198 CHANNEL_IN_Z_AXIS = 0x2000, 199 CHANNEL_IN_VOICE_UPLINK = 0x4000, 200 CHANNEL_IN_VOICE_DNLINK = 0x8000, 201 CHANNEL_IN_MONO = CHANNEL_IN_FRONT, 202 CHANNEL_IN_STEREO = (CHANNEL_IN_LEFT | CHANNEL_IN_RIGHT), 203 CHANNEL_IN_ALL = (CHANNEL_IN_LEFT | CHANNEL_IN_RIGHT | CHANNEL_IN_FRONT | CHANNEL_IN_BACK| 204 CHANNEL_IN_LEFT_PROCESSED | CHANNEL_IN_RIGHT_PROCESSED | CHANNEL_IN_FRONT_PROCESSED | CHANNEL_IN_BACK_PROCESSED| 205 CHANNEL_IN_PRESSURE | CHANNEL_IN_X_AXIS | CHANNEL_IN_Y_AXIS | CHANNEL_IN_Z_AXIS | 206 CHANNEL_IN_VOICE_UPLINK | CHANNEL_IN_VOICE_DNLINK) 207 }; 208 209 enum audio_mode { 210 MODE_INVALID = -2, 211 MODE_CURRENT = -1, 212 MODE_NORMAL = 0, 213 MODE_RINGTONE, 214 MODE_IN_CALL, 215 MODE_IN_COMMUNICATION, 216 NUM_MODES // not a valid entry, denotes end-of-list 217 }; 218 219 enum audio_in_acoustics { 220 AGC_ENABLE = 0x0001, 221 AGC_DISABLE = 0, 222 NS_ENABLE = 0x0002, 223 NS_DISABLE = 0, 224 TX_IIR_ENABLE = 0x0004, 225 TX_DISABLE = 0 226 }; 227 228 // DO NOT USE: the "audio_devices" enumeration below is obsolete, use type "audio_devices_t" and 229 // audio device enumeration from system/audio.h instead. 230 enum audio_devices { 231 // output devices 232 DEVICE_OUT_EARPIECE = 0x1, 233 DEVICE_OUT_SPEAKER = 0x2, 234 DEVICE_OUT_WIRED_HEADSET = 0x4, 235 DEVICE_OUT_WIRED_HEADPHONE = 0x8, 236 DEVICE_OUT_BLUETOOTH_SCO = 0x10, 237 DEVICE_OUT_BLUETOOTH_SCO_HEADSET = 0x20, 238 DEVICE_OUT_BLUETOOTH_SCO_CARKIT = 0x40, 239 DEVICE_OUT_BLUETOOTH_A2DP = 0x80, 240 DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100, 241 DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 0x200, 242 DEVICE_OUT_AUX_DIGITAL = 0x400, 243 DEVICE_OUT_ANLG_DOCK_HEADSET = 0x800, 244 DEVICE_OUT_DGTL_DOCK_HEADSET = 0x1000, 245 DEVICE_OUT_DEFAULT = 0x8000, 246 DEVICE_OUT_ALL = (DEVICE_OUT_EARPIECE | DEVICE_OUT_SPEAKER | DEVICE_OUT_WIRED_HEADSET | 247 DEVICE_OUT_WIRED_HEADPHONE | DEVICE_OUT_BLUETOOTH_SCO | DEVICE_OUT_BLUETOOTH_SCO_HEADSET | 248 DEVICE_OUT_BLUETOOTH_SCO_CARKIT | DEVICE_OUT_BLUETOOTH_A2DP | DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | 249 DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER | DEVICE_OUT_AUX_DIGITAL | 250 DEVICE_OUT_ANLG_DOCK_HEADSET | DEVICE_OUT_DGTL_DOCK_HEADSET | 251 DEVICE_OUT_DEFAULT), 252 DEVICE_OUT_ALL_A2DP = (DEVICE_OUT_BLUETOOTH_A2DP | DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | 253 DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER), 254 255 // input devices 256 DEVICE_IN_COMMUNICATION = 0x10000, 257 DEVICE_IN_AMBIENT = 0x20000, 258 DEVICE_IN_BUILTIN_MIC = 0x40000, 259 DEVICE_IN_BLUETOOTH_SCO_HEADSET = 0x80000, 260 DEVICE_IN_WIRED_HEADSET = 0x100000, 261 DEVICE_IN_AUX_DIGITAL = 0x200000, 262 DEVICE_IN_VOICE_CALL = 0x400000, 263 DEVICE_IN_BACK_MIC = 0x800000, 264 DEVICE_IN_DEFAULT = 0x80000000, 265 266 DEVICE_IN_ALL = (DEVICE_IN_COMMUNICATION | DEVICE_IN_AMBIENT | DEVICE_IN_BUILTIN_MIC | 267 DEVICE_IN_BLUETOOTH_SCO_HEADSET | DEVICE_IN_WIRED_HEADSET | DEVICE_IN_AUX_DIGITAL | 268 DEVICE_IN_VOICE_CALL | DEVICE_IN_BACK_MIC | DEVICE_IN_DEFAULT) 269 }; 270 271 // request to open a direct output with getOutput() (by opposition to sharing an output with other AudioTracks) 272 enum output_flags { 273 OUTPUT_FLAG_INDIRECT = 0x0, 274 OUTPUT_FLAG_DIRECT = 0x1 275 }; 276 277 // device categories used for setForceUse() 278 enum forced_config { 279 FORCE_NONE, 280 FORCE_SPEAKER, 281 FORCE_HEADPHONES, 282 FORCE_BT_SCO, 283 FORCE_BT_A2DP, 284 FORCE_WIRED_ACCESSORY, 285 FORCE_BT_CAR_DOCK, 286 FORCE_BT_DESK_DOCK, 287 FORCE_ANALOG_DOCK, 288 FORCE_DIGITAL_DOCK, 289 FORCE_NO_BT_A2DP, 290 FORCE_SYSTEM_ENFORCED, 291 NUM_FORCE_CONFIG, 292 FORCE_DEFAULT = FORCE_NONE 293 }; 294 295 // usages used for setForceUse() 296 enum force_use { 297 FOR_COMMUNICATION, 298 FOR_MEDIA, 299 FOR_RECORD, 300 FOR_DOCK, 301 FOR_SYSTEM, 302 NUM_FORCE_USE 303 }; 304 305 // 306 // AudioPolicyService interface 307 // 308 309 // device connection states used for setDeviceConnectionState() 310 enum device_connection_state { 311 DEVICE_STATE_UNAVAILABLE, 312 DEVICE_STATE_AVAILABLE, 313 NUM_DEVICE_STATES 314 }; 315 316 #endif 317 popCount(uint32_t u)318 static uint32_t popCount(uint32_t u) { 319 return popcount(u); 320 } 321 322 #if 1 isOutputDevice(audio_devices device)323 static bool isOutputDevice(audio_devices device) { 324 if ((popcount(device) == 1) && ((device & ~DEVICE_OUT_ALL) == 0)) 325 return true; 326 else 327 return false; 328 } isInputDevice(audio_devices device)329 static bool isInputDevice(audio_devices device) { 330 if ((popcount(device) == 1) && ((device & ~DEVICE_IN_ALL) == 0)) 331 return true; 332 else 333 return false; 334 } isA2dpDevice(audio_devices device)335 static bool isA2dpDevice(audio_devices device) { 336 return audio_is_a2dp_device((audio_devices_t)device); 337 } isBluetoothScoDevice(audio_devices device)338 static bool isBluetoothScoDevice(audio_devices device) { 339 return audio_is_bluetooth_sco_device((audio_devices_t)device); 340 } isLowVisibility(stream_type stream)341 static bool isLowVisibility(stream_type stream) { 342 return audio_is_low_visibility((audio_stream_type_t)stream); 343 } isValidFormat(uint32_t format)344 static bool isValidFormat(uint32_t format) { 345 return audio_is_valid_format((audio_format_t) format); 346 } isLinearPCM(uint32_t format)347 static bool isLinearPCM(uint32_t format) { 348 return audio_is_linear_pcm((audio_format_t) format); 349 } isOutputChannel(uint32_t channel)350 static bool isOutputChannel(uint32_t channel) { 351 return audio_is_output_channel(channel); 352 } isInputChannel(uint32_t channel)353 static bool isInputChannel(uint32_t channel) { 354 return audio_is_input_channel(channel); 355 } 356 357 #endif 358 }; 359 360 }; // namespace android 361 362 #endif // ANDROID_AUDIOSYSTEM_LEGACY_H_ 363