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