Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 1 | /* |
Mingming Yin | 4a72d65 | 2014-01-03 18:54:18 -0800 | [diff] [blame] | 2 | * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. |
Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 3 | * Not a contribution. |
| 4 | * |
| 5 | * Copyright (C) 2009 The Android Open Source Project |
| 6 | * |
| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 8 | * you may not use this file except in compliance with the License. |
| 9 | * You may obtain a copy of the License at |
| 10 | * |
| 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 12 | * |
| 13 | * Unless required by applicable law or agreed to in writing, software |
| 14 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | * See the License for the specific language governing permissions and |
| 17 | * limitations under the License. |
| 18 | */ |
| 19 | |
| 20 | #define LOG_TAG "AudioPolicyManager" |
| 21 | //#define LOG_NDEBUG 0 |
| 22 | |
| 23 | //#define VERY_VERBOSE_LOGGING |
| 24 | #ifdef VERY_VERBOSE_LOGGING |
| 25 | #define ALOGVV ALOGV |
| 26 | #else |
| 27 | #define ALOGVV(a...) do { } while(0) |
| 28 | #endif |
| 29 | |
Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 30 | // A device mask for all audio output devices that are considered "remote" when evaluating |
| 31 | // active output devices in isStreamActiveRemotely() |
| 32 | #define APM_AUDIO_OUT_DEVICE_REMOTE_ALL AUDIO_DEVICE_OUT_REMOTE_SUBMIX |
| 33 | |
| 34 | #include <utils/Log.h> |
| 35 | #include "AudioPolicyManager.h" |
| 36 | #include <hardware/audio_effect.h> |
| 37 | #include <hardware/audio.h> |
| 38 | #include <math.h> |
| 39 | #include <hardware_legacy/audio_policy_conf.h> |
| 40 | #include <cutils/properties.h> |
| 41 | |
| 42 | namespace android_audio_legacy { |
| 43 | |
| 44 | // ---------------------------------------------------------------------------- |
| 45 | // AudioPolicyInterface implementation |
| 46 | // ---------------------------------------------------------------------------- |
| 47 | |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 48 | status_t AudioPolicyManager::setDeviceConnectionState(audio_devices_t device, |
| 49 | AudioSystem::device_connection_state state, |
| 50 | const char *device_address) |
| 51 | { |
| 52 | SortedVector <audio_io_handle_t> outputs; |
| 53 | |
| 54 | ALOGV("setDeviceConnectionState() device: %x, state %d, address %s", device, state, device_address); |
| 55 | |
| 56 | // connect/disconnect only 1 device at a time |
| 57 | if (!audio_is_output_device(device) && !audio_is_input_device(device)) return BAD_VALUE; |
| 58 | |
| 59 | if (strlen(device_address) >= MAX_DEVICE_ADDRESS_LEN) { |
| 60 | ALOGE("setDeviceConnectionState() invalid address: %s", device_address); |
| 61 | return BAD_VALUE; |
| 62 | } |
| 63 | |
| 64 | // handle output devices |
| 65 | if (audio_is_output_device(device)) { |
| 66 | |
| 67 | if (!mHasA2dp && audio_is_a2dp_device(device)) { |
| 68 | ALOGE("setDeviceConnectionState() invalid A2DP device: %x", device); |
| 69 | return BAD_VALUE; |
| 70 | } |
| 71 | if (!mHasUsb && audio_is_usb_device(device)) { |
| 72 | ALOGE("setDeviceConnectionState() invalid USB audio device: %x", device); |
| 73 | return BAD_VALUE; |
| 74 | } |
| 75 | if (!mHasRemoteSubmix && audio_is_remote_submix_device((audio_devices_t)device)) { |
| 76 | ALOGE("setDeviceConnectionState() invalid remote submix audio device: %x", device); |
| 77 | return BAD_VALUE; |
| 78 | } |
| 79 | |
| 80 | // save a copy of the opened output descriptors before any output is opened or closed |
| 81 | // by checkOutputsForDevice(). This will be needed by checkOutputForAllStrategies() |
| 82 | mPreviousOutputs = mOutputs; |
| 83 | switch (state) |
| 84 | { |
| 85 | // handle output device connection |
| 86 | case AudioSystem::DEVICE_STATE_AVAILABLE: |
| 87 | if (mAvailableOutputDevices & device) { |
| 88 | ALOGW("setDeviceConnectionState() device already connected: %x", device); |
| 89 | return INVALID_OPERATION; |
| 90 | } |
| 91 | ALOGV("setDeviceConnectionState() connecting device %x", device); |
| 92 | |
| 93 | if (checkOutputsForDevice(device, state, outputs) != NO_ERROR) { |
| 94 | return INVALID_OPERATION; |
| 95 | } |
| 96 | ALOGV("setDeviceConnectionState() checkOutputsForDevice() returned %d outputs", |
| 97 | outputs.size()); |
| 98 | // register new device as available |
| 99 | mAvailableOutputDevices = (audio_devices_t)(mAvailableOutputDevices | device); |
| 100 | |
| 101 | if (!outputs.isEmpty()) { |
| 102 | String8 paramStr; |
| 103 | if (mHasA2dp && audio_is_a2dp_device(device)) { |
| 104 | // handle A2DP device connection |
| 105 | AudioParameter param; |
| 106 | param.add(String8(AUDIO_PARAMETER_A2DP_SINK_ADDRESS), String8(device_address)); |
| 107 | paramStr = param.toString(); |
| 108 | mA2dpDeviceAddress = String8(device_address, MAX_DEVICE_ADDRESS_LEN); |
| 109 | mA2dpSuspended = false; |
| 110 | } else if (audio_is_bluetooth_sco_device(device)) { |
| 111 | // handle SCO device connection |
| 112 | mScoDeviceAddress = String8(device_address, MAX_DEVICE_ADDRESS_LEN); |
| 113 | } else if (mHasUsb && audio_is_usb_device(device)) { |
| 114 | // handle USB device connection |
| 115 | mUsbCardAndDevice = String8(device_address, MAX_DEVICE_ADDRESS_LEN); |
| 116 | paramStr = mUsbCardAndDevice; |
| 117 | } |
| 118 | // not currently handling multiple simultaneous submixes: ignoring remote submix |
| 119 | // case and address |
| 120 | if (!paramStr.isEmpty()) { |
| 121 | for (size_t i = 0; i < outputs.size(); i++) { |
| 122 | mpClientInterface->setParameters(outputs[i], paramStr); |
| 123 | } |
| 124 | } |
| 125 | } |
| 126 | break; |
| 127 | // handle output device disconnection |
| 128 | case AudioSystem::DEVICE_STATE_UNAVAILABLE: { |
| 129 | if (!(mAvailableOutputDevices & device)) { |
| 130 | ALOGW("setDeviceConnectionState() device not connected: %x", device); |
| 131 | return INVALID_OPERATION; |
| 132 | } |
| 133 | |
| 134 | ALOGV("setDeviceConnectionState() disconnecting device %x", device); |
| 135 | // remove device from available output devices |
| 136 | mAvailableOutputDevices = (audio_devices_t)(mAvailableOutputDevices & ~device); |
| 137 | |
| 138 | checkOutputsForDevice(device, state, outputs); |
| 139 | if (mHasA2dp && audio_is_a2dp_device(device)) { |
| 140 | // handle A2DP device disconnection |
| 141 | mA2dpDeviceAddress = ""; |
| 142 | mA2dpSuspended = false; |
| 143 | } else if (audio_is_bluetooth_sco_device(device)) { |
| 144 | // handle SCO device disconnection |
| 145 | mScoDeviceAddress = ""; |
| 146 | } else if (mHasUsb && audio_is_usb_device(device)) { |
| 147 | // handle USB device disconnection |
| 148 | mUsbCardAndDevice = ""; |
| 149 | } |
| 150 | // not currently handling multiple simultaneous submixes: ignoring remote submix |
| 151 | // case and address |
| 152 | } break; |
| 153 | |
| 154 | default: |
| 155 | ALOGE("setDeviceConnectionState() invalid state: %x", state); |
| 156 | return BAD_VALUE; |
| 157 | } |
| 158 | |
| 159 | checkA2dpSuspend(); |
| 160 | checkOutputForAllStrategies(); |
| 161 | // outputs must be closed after checkOutputForAllStrategies() is executed |
| 162 | if (!outputs.isEmpty()) { |
| 163 | for (size_t i = 0; i < outputs.size(); i++) { |
| 164 | AudioOutputDescriptor *desc = mOutputs.valueFor(outputs[i]); |
| 165 | // close unused outputs after device disconnection or direct outputs that have been |
| 166 | // opened by checkOutputsForDevice() to query dynamic parameters |
| 167 | if ((state == AudioSystem::DEVICE_STATE_UNAVAILABLE) || |
| 168 | (((desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) && |
| 169 | (desc->mDirectOpenCount == 0))) { |
| 170 | closeOutput(outputs[i]); |
| 171 | } |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | updateDevicesAndOutputs(); |
| 176 | audio_devices_t newDevice = getNewDevice(mPrimaryOutput, false /*fromCache*/); |
| 177 | #ifdef AUDIO_EXTN_FM_ENABLED |
| 178 | if(device == AUDIO_DEVICE_OUT_FM) { |
| 179 | if (state == AudioSystem::DEVICE_STATE_AVAILABLE) { |
| 180 | mOutputs.valueFor(mPrimaryOutput)->changeRefCount(AudioSystem::MUSIC, 1); |
| 181 | newDevice = (audio_devices_t)(getNewDevice(mPrimaryOutput, false) | AUDIO_DEVICE_OUT_FM); |
| 182 | } else { |
| 183 | mOutputs.valueFor(mPrimaryOutput)->changeRefCount(AudioSystem::MUSIC, -1); |
| 184 | } |
| 185 | |
| 186 | AudioParameter param = AudioParameter(); |
| 187 | param.addInt(String8("handle_fm"), (int)newDevice); |
| 188 | ALOGV("setDeviceConnectionState() setParameters handle_fm"); |
| 189 | mpClientInterface->setParameters(mPrimaryOutput, param.toString()); |
| 190 | } |
| 191 | #endif |
| 192 | for (size_t i = 0; i < mOutputs.size(); i++) { |
| 193 | // do not force device change on duplicated output because if device is 0, it will |
| 194 | // also force a device 0 for the two outputs it is duplicated to which may override |
| 195 | // a valid device selection on those outputs. |
| 196 | setOutputDevice(mOutputs.keyAt(i), |
| 197 | getNewDevice(mOutputs.keyAt(i), true /*fromCache*/), |
| 198 | !mOutputs.valueAt(i)->isDuplicated(), |
| 199 | 0); |
| 200 | } |
| 201 | |
| 202 | if (device == AUDIO_DEVICE_OUT_WIRED_HEADSET) { |
| 203 | device = AUDIO_DEVICE_IN_WIRED_HEADSET; |
| 204 | } else if (device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO || |
| 205 | device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET || |
| 206 | device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT) { |
| 207 | device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET; |
| 208 | } else if(device == AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET){ |
| 209 | device = AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET; |
| 210 | } else { |
| 211 | return NO_ERROR; |
| 212 | } |
| 213 | } |
| 214 | // handle input devices |
| 215 | if (audio_is_input_device(device)) { |
| 216 | |
| 217 | switch (state) |
| 218 | { |
| 219 | // handle input device connection |
| 220 | case AudioSystem::DEVICE_STATE_AVAILABLE: { |
| 221 | if (mAvailableInputDevices & device) { |
| 222 | ALOGW("setDeviceConnectionState() device already connected: %d", device); |
| 223 | return INVALID_OPERATION; |
| 224 | } |
| 225 | mAvailableInputDevices = mAvailableInputDevices | (device & ~AUDIO_DEVICE_BIT_IN); |
| 226 | } |
| 227 | break; |
| 228 | |
| 229 | // handle input device disconnection |
| 230 | case AudioSystem::DEVICE_STATE_UNAVAILABLE: { |
| 231 | if (!(mAvailableInputDevices & device)) { |
| 232 | ALOGW("setDeviceConnectionState() device not connected: %d", device); |
| 233 | return INVALID_OPERATION; |
| 234 | } |
| 235 | mAvailableInputDevices = (audio_devices_t) (mAvailableInputDevices & ~device); |
| 236 | } break; |
| 237 | |
| 238 | default: |
| 239 | ALOGE("setDeviceConnectionState() invalid state: %x", state); |
| 240 | return BAD_VALUE; |
| 241 | } |
| 242 | |
| 243 | audio_io_handle_t activeInput = getActiveInput(); |
| 244 | if (activeInput != 0) { |
| 245 | AudioInputDescriptor *inputDesc = mInputs.valueFor(activeInput); |
| 246 | audio_devices_t newDevice = getDeviceForInputSource(inputDesc->mInputSource); |
| 247 | if ((newDevice != AUDIO_DEVICE_NONE) && (newDevice != inputDesc->mDevice)) { |
| 248 | ALOGV("setDeviceConnectionState() changing device from %x to %x for input %d", |
| 249 | inputDesc->mDevice, newDevice, activeInput); |
| 250 | inputDesc->mDevice = newDevice; |
| 251 | AudioParameter param = AudioParameter(); |
| 252 | param.addInt(String8(AudioParameter::keyRouting), (int)newDevice); |
| 253 | mpClientInterface->setParameters(activeInput, param.toString()); |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | return NO_ERROR; |
| 258 | } |
| 259 | |
| 260 | ALOGW("setDeviceConnectionState() invalid device: %x", device); |
| 261 | return BAD_VALUE; |
| 262 | } |
| 263 | |
Pavan Chikkala | e33427d | 2014-03-24 17:11:50 +0530 | [diff] [blame^] | 264 | void AudioPolicyManager::setPhoneState(int state) |
| 265 | { |
| 266 | ALOGV("setPhoneState() state %d", state); |
| 267 | audio_devices_t newDevice = AUDIO_DEVICE_NONE; |
| 268 | if (state < 0 || state >= AudioSystem::NUM_MODES) { |
| 269 | ALOGW("setPhoneState() invalid state %d", state); |
| 270 | return; |
| 271 | } |
| 272 | |
| 273 | if (state == mPhoneState ) { |
| 274 | ALOGW("setPhoneState() setting same state %d", state); |
| 275 | return; |
| 276 | } |
| 277 | |
| 278 | // if leaving call state, handle special case of active streams |
| 279 | // pertaining to sonification strategy see handleIncallSonification() |
| 280 | if (isInCall()) { |
| 281 | ALOGV("setPhoneState() in call state management: new state is %d", state); |
| 282 | for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) { |
| 283 | handleIncallSonification(stream, false, true); |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | // store previous phone state for management of sonification strategy below |
| 288 | int oldState = mPhoneState; |
| 289 | mPhoneState = state; |
| 290 | bool force = false; |
| 291 | |
| 292 | // are we entering or starting a call |
| 293 | if (!isStateInCall(oldState) && isStateInCall(state)) { |
| 294 | ALOGV(" Entering call in setPhoneState()"); |
| 295 | // force routing command to audio hardware when starting a call |
| 296 | // even if no device change is needed |
| 297 | force = true; |
| 298 | for (int j = 0; j < DEVICE_CATEGORY_CNT; j++) { |
| 299 | mStreams[AUDIO_STREAM_DTMF].mVolumeCurve[j] = |
| 300 | sVolumeProfiles[AUDIO_STREAM_VOICE_CALL][j]; |
| 301 | } |
| 302 | } else if (isStateInCall(oldState) && !isStateInCall(state)) { |
| 303 | ALOGV(" Exiting call in setPhoneState()"); |
| 304 | // force routing command to audio hardware when exiting a call |
| 305 | // even if no device change is needed |
| 306 | force = true; |
| 307 | for (int j = 0; j < DEVICE_CATEGORY_CNT; j++) { |
| 308 | mStreams[AUDIO_STREAM_DTMF].mVolumeCurve[j] = |
| 309 | sVolumeProfiles[AUDIO_STREAM_DTMF][j]; |
| 310 | } |
| 311 | } else if (isStateInCall(state) && (state != oldState)) { |
| 312 | ALOGV(" Switching between telephony and VoIP in setPhoneState()"); |
| 313 | // force routing command to audio hardware when switching between telephony and VoIP |
| 314 | // even if no device change is needed |
| 315 | force = true; |
| 316 | } |
| 317 | |
| 318 | // check for device and output changes triggered by new phone state |
| 319 | newDevice = getNewDevice(mPrimaryOutput, false /*fromCache*/); |
| 320 | checkA2dpSuspend(); |
| 321 | checkOutputForAllStrategies(); |
| 322 | updateDevicesAndOutputs(); |
| 323 | |
| 324 | AudioOutputDescriptor *hwOutputDesc = mOutputs.valueFor(mPrimaryOutput); |
| 325 | |
| 326 | // force routing command to audio hardware when ending call |
| 327 | // even if no device change is needed |
| 328 | if (isStateInCall(oldState) && newDevice == AUDIO_DEVICE_NONE) { |
| 329 | newDevice = hwOutputDesc->device(); |
| 330 | } |
| 331 | |
| 332 | int delayMs = 0; |
| 333 | if (isStateInCall(state)) { |
| 334 | nsecs_t sysTime = systemTime(); |
| 335 | for (size_t i = 0; i < mOutputs.size(); i++) { |
| 336 | AudioOutputDescriptor *desc = mOutputs.valueAt(i); |
| 337 | // mute media and sonification strategies and delay device switch by the largest |
| 338 | // latency of any output where either strategy is active. |
| 339 | // This avoid sending the ring tone or music tail into the earpiece or headset. |
| 340 | if ((desc->isStrategyActive(STRATEGY_MEDIA, |
| 341 | SONIFICATION_HEADSET_MUSIC_DELAY, |
| 342 | sysTime) || |
| 343 | desc->isStrategyActive(STRATEGY_SONIFICATION, |
| 344 | SONIFICATION_HEADSET_MUSIC_DELAY, |
| 345 | sysTime)) && |
| 346 | (delayMs < (int)desc->mLatency*2)) { |
| 347 | delayMs = desc->mLatency*2; |
| 348 | } |
| 349 | setStrategyMute(STRATEGY_MEDIA, true, mOutputs.keyAt(i)); |
| 350 | setStrategyMute(STRATEGY_MEDIA, false, mOutputs.keyAt(i), MUTE_TIME_MS, |
| 351 | getDeviceForStrategy(STRATEGY_MEDIA, true /*fromCache*/)); |
| 352 | setStrategyMute(STRATEGY_SONIFICATION, true, mOutputs.keyAt(i)); |
| 353 | setStrategyMute(STRATEGY_SONIFICATION, false, mOutputs.keyAt(i), MUTE_TIME_MS, |
| 354 | getDeviceForStrategy(STRATEGY_SONIFICATION, true /*fromCache*/)); |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | // change routing is necessary |
| 359 | setOutputDevice(mPrimaryOutput, newDevice, force, delayMs); |
| 360 | |
| 361 | //update device for all non-primary outputs |
| 362 | for (size_t i = 0; i < mOutputs.size(); i++) { |
| 363 | audio_io_handle_t output = mOutputs.keyAt(i); |
| 364 | if (output != mPrimaryOutput) { |
| 365 | newDevice = getNewDevice(output, false /*fromCache*/); |
| 366 | setOutputDevice(output, newDevice, (newDevice != AUDIO_DEVICE_NONE)); |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | // if entering in call state, handle special case of active streams |
| 371 | // pertaining to sonification strategy see handleIncallSonification() |
| 372 | if (isStateInCall(state)) { |
| 373 | ALOGV("setPhoneState() in call state management: new state is %d", state); |
| 374 | for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) { |
| 375 | handleIncallSonification(stream, true, true); |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | // Flag that ringtone volume must be limited to music volume until we exit MODE_RINGTONE |
| 380 | if (state == AudioSystem::MODE_RINGTONE && |
| 381 | isStreamActive(AudioSystem::MUSIC, SONIFICATION_HEADSET_MUSIC_DELAY)) { |
| 382 | mLimitRingtoneVolume = true; |
| 383 | } else { |
| 384 | mLimitRingtoneVolume = false; |
| 385 | } |
| 386 | } |
| 387 | |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 388 | void AudioPolicyManager::setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config) |
| 389 | { |
| 390 | ALOGV("setForceUse() usage %d, config %d, mPhoneState %d", usage, config, mPhoneState); |
| 391 | |
| 392 | bool forceVolumeReeval = false; |
| 393 | switch(usage) { |
| 394 | case AudioSystem::FOR_COMMUNICATION: |
| 395 | if (config != AudioSystem::FORCE_SPEAKER && config != AudioSystem::FORCE_BT_SCO && |
| 396 | config != AudioSystem::FORCE_NONE) { |
| 397 | ALOGW("setForceUse() invalid config %d for FOR_COMMUNICATION", config); |
| 398 | return; |
| 399 | } |
| 400 | forceVolumeReeval = true; |
| 401 | mForceUse[usage] = config; |
| 402 | break; |
| 403 | case AudioSystem::FOR_MEDIA: |
| 404 | if (config != AudioSystem::FORCE_HEADPHONES && config != AudioSystem::FORCE_BT_A2DP && |
| 405 | #ifdef AUDIO_EXTN_FM_ENABLED |
| 406 | config != AudioSystem::FORCE_SPEAKER && |
| 407 | #endif |
| 408 | config != AudioSystem::FORCE_WIRED_ACCESSORY && |
| 409 | config != AudioSystem::FORCE_ANALOG_DOCK && |
| 410 | config != AudioSystem::FORCE_DIGITAL_DOCK && config != AudioSystem::FORCE_NONE && |
| 411 | config != AudioSystem::FORCE_NO_BT_A2DP) { |
| 412 | ALOGW("setForceUse() invalid config %d for FOR_MEDIA", config); |
| 413 | return; |
| 414 | } |
| 415 | mForceUse[usage] = config; |
| 416 | break; |
| 417 | case AudioSystem::FOR_RECORD: |
| 418 | if (config != AudioSystem::FORCE_BT_SCO && config != AudioSystem::FORCE_WIRED_ACCESSORY && |
| 419 | config != AudioSystem::FORCE_NONE) { |
| 420 | ALOGW("setForceUse() invalid config %d for FOR_RECORD", config); |
| 421 | return; |
| 422 | } |
| 423 | mForceUse[usage] = config; |
| 424 | break; |
| 425 | case AudioSystem::FOR_DOCK: |
| 426 | if (config != AudioSystem::FORCE_NONE && config != AudioSystem::FORCE_BT_CAR_DOCK && |
| 427 | config != AudioSystem::FORCE_BT_DESK_DOCK && |
| 428 | config != AudioSystem::FORCE_WIRED_ACCESSORY && |
| 429 | config != AudioSystem::FORCE_ANALOG_DOCK && |
| 430 | config != AudioSystem::FORCE_DIGITAL_DOCK) { |
| 431 | ALOGW("setForceUse() invalid config %d for FOR_DOCK", config); |
| 432 | } |
| 433 | forceVolumeReeval = true; |
| 434 | mForceUse[usage] = config; |
| 435 | break; |
| 436 | case AudioSystem::FOR_SYSTEM: |
| 437 | if (config != AudioSystem::FORCE_NONE && |
| 438 | config != AudioSystem::FORCE_SYSTEM_ENFORCED) { |
| 439 | ALOGW("setForceUse() invalid config %d for FOR_SYSTEM", config); |
| 440 | } |
| 441 | forceVolumeReeval = true; |
| 442 | mForceUse[usage] = config; |
| 443 | break; |
| 444 | default: |
| 445 | ALOGW("setForceUse() invalid usage %d", usage); |
| 446 | break; |
| 447 | } |
| 448 | |
| 449 | // check for device and output changes triggered by new force usage |
| 450 | checkA2dpSuspend(); |
| 451 | checkOutputForAllStrategies(); |
| 452 | updateDevicesAndOutputs(); |
| 453 | for (int i = mOutputs.size() -1; i >= 0; i--) { |
| 454 | audio_io_handle_t output = mOutputs.keyAt(i); |
| 455 | audio_devices_t newDevice = getNewDevice(output, true /*fromCache*/); |
| 456 | setOutputDevice(output, newDevice, (newDevice != AUDIO_DEVICE_NONE)); |
| 457 | if (forceVolumeReeval && (newDevice != AUDIO_DEVICE_NONE)) { |
| 458 | applyStreamVolumes(output, newDevice, 0, true); |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | audio_io_handle_t activeInput = getActiveInput(); |
| 463 | if (activeInput != 0) { |
| 464 | AudioInputDescriptor *inputDesc = mInputs.valueFor(activeInput); |
| 465 | audio_devices_t newDevice = getDeviceForInputSource(inputDesc->mInputSource); |
| 466 | if ((newDevice != AUDIO_DEVICE_NONE) && (newDevice != inputDesc->mDevice)) { |
| 467 | ALOGV("setForceUse() changing device from %x to %x for input %d", |
| 468 | inputDesc->mDevice, newDevice, activeInput); |
| 469 | inputDesc->mDevice = newDevice; |
| 470 | AudioParameter param = AudioParameter(); |
| 471 | param.addInt(String8(AudioParameter::keyRouting), (int)newDevice); |
| 472 | mpClientInterface->setParameters(activeInput, param.toString()); |
| 473 | } |
| 474 | } |
| 475 | |
| 476 | } |
| 477 | |
Pavan Chikkala | e33427d | 2014-03-24 17:11:50 +0530 | [diff] [blame^] | 478 | status_t AudioPolicyManager::startOutput(audio_io_handle_t output, |
| 479 | AudioSystem::stream_type stream, |
| 480 | int session) |
| 481 | { |
| 482 | ALOGV("startOutput() output %d, stream %d, session %d", output, stream, session); |
| 483 | ssize_t index = mOutputs.indexOfKey(output); |
| 484 | if (index < 0) { |
| 485 | ALOGW("startOutput() unknow output %d", output); |
| 486 | return BAD_VALUE; |
| 487 | } |
| 488 | |
| 489 | AudioOutputDescriptor *outputDesc = mOutputs.valueAt(index); |
| 490 | |
| 491 | // increment usage count for this stream on the requested output: |
| 492 | // NOTE that the usage count is the same for duplicated output and hardware output which is |
| 493 | // necessary for a correct control of hardware output routing by startOutput() and stopOutput() |
| 494 | outputDesc->changeRefCount(stream, 1); |
| 495 | |
| 496 | if (outputDesc->mRefCount[stream] == 1) { |
| 497 | audio_devices_t newDevice = getNewDevice(output, false /*fromCache*/); |
| 498 | routing_strategy strategy = getStrategy(stream); |
| 499 | bool shouldWait = (strategy == STRATEGY_SONIFICATION) || |
| 500 | (strategy == STRATEGY_SONIFICATION_RESPECTFUL); |
| 501 | uint32_t waitMs = 0; |
| 502 | bool force = false; |
| 503 | for (size_t i = 0; i < mOutputs.size(); i++) { |
| 504 | AudioOutputDescriptor *desc = mOutputs.valueAt(i); |
| 505 | if (desc != outputDesc) { |
| 506 | // force a device change if any other output is managed by the same hw |
| 507 | // module and has a current device selection that differs from selected device. |
| 508 | // In this case, the audio HAL must receive the new device selection so that it can |
| 509 | // change the device currently selected by the other active output. |
| 510 | if (outputDesc->sharesHwModuleWith(desc) && |
| 511 | desc->device() != newDevice) { |
| 512 | force = true; |
| 513 | } |
| 514 | // wait for audio on other active outputs to be presented when starting |
| 515 | // a notification so that audio focus effect can propagate. |
| 516 | uint32_t latency = desc->latency(); |
| 517 | if (shouldWait && desc->isActive(latency * 2) && (waitMs < latency)) { |
| 518 | waitMs = latency; |
| 519 | } |
| 520 | } |
| 521 | } |
| 522 | uint32_t muteWaitMs = setOutputDevice(output, newDevice, force); |
| 523 | |
| 524 | // handle special case for sonification while in call |
| 525 | if (isInCall()) { |
| 526 | handleIncallSonification(stream, true, false); |
| 527 | } |
| 528 | |
| 529 | // apply volume rules for current stream and device if necessary |
| 530 | checkAndSetVolume(stream, |
| 531 | mStreams[stream].getVolumeIndex(newDevice), |
| 532 | output, |
| 533 | newDevice); |
| 534 | |
| 535 | // update the outputs if starting an output with a stream that can affect notification |
| 536 | // routing |
| 537 | handleNotificationRoutingForStream(stream); |
| 538 | if (waitMs > muteWaitMs) { |
| 539 | usleep((waitMs - muteWaitMs) * 2 * 1000); |
| 540 | } |
| 541 | } |
| 542 | #ifdef DOLBY_UDC |
| 543 | // It is observed that in some use-cases where both outputs are present eg. bluetooth and headphone, |
| 544 | // the output for particular stream type is decided in this routine. Hence we must call |
| 545 | // getDeviceForStrategy in order to get the current active output for this stream type and update |
| 546 | // the dolby system property. |
| 547 | if (stream == AudioSystem::MUSIC) |
| 548 | { |
| 549 | audio_devices_t audioOutputDevice = getDeviceForStrategy(getStrategy(AudioSystem::MUSIC), true); |
| 550 | DolbySystemProperty::set(audioOutputDevice); |
| 551 | } |
| 552 | #endif // DOLBY_END |
| 553 | return NO_ERROR; |
| 554 | } |
| 555 | |
| 556 | |
| 557 | status_t AudioPolicyManager::stopOutput(audio_io_handle_t output, |
| 558 | AudioSystem::stream_type stream, |
| 559 | int session) |
| 560 | { |
| 561 | ALOGV("stopOutput() output %d, stream %d, session %d", output, stream, session); |
| 562 | ssize_t index = mOutputs.indexOfKey(output); |
| 563 | if (index < 0) { |
| 564 | ALOGW("stopOutput() unknow output %d", output); |
| 565 | return BAD_VALUE; |
| 566 | } |
| 567 | |
| 568 | AudioOutputDescriptor *outputDesc = mOutputs.valueAt(index); |
| 569 | |
| 570 | // handle special case for sonification while in call |
| 571 | if (isInCall()) { |
| 572 | handleIncallSonification(stream, false, false); |
| 573 | } |
| 574 | |
| 575 | if (outputDesc->mRefCount[stream] > 0) { |
| 576 | // decrement usage count of this stream on the output |
| 577 | outputDesc->changeRefCount(stream, -1); |
| 578 | // store time at which the stream was stopped - see isStreamActive() |
| 579 | if (outputDesc->mRefCount[stream] == 0) { |
| 580 | outputDesc->mStopTime[stream] = systemTime(); |
| 581 | audio_devices_t newDevice = getNewDevice(output, false /*fromCache*/); |
| 582 | // delay the device switch by twice the latency because stopOutput() is executed when |
| 583 | // the track stop() command is received and at that time the audio track buffer can |
| 584 | // still contain data that needs to be drained. The latency only covers the audio HAL |
| 585 | // and kernel buffers. Also the latency does not always include additional delay in the |
| 586 | // audio path (audio DSP, CODEC ...) |
| 587 | setOutputDevice(output, newDevice, false, outputDesc->mLatency*2); |
| 588 | |
| 589 | // force restoring the device selection on other active outputs if it differs from the |
| 590 | // one being selected for this output |
| 591 | for (size_t i = 0; i < mOutputs.size(); i++) { |
| 592 | audio_io_handle_t curOutput = mOutputs.keyAt(i); |
| 593 | AudioOutputDescriptor *desc = mOutputs.valueAt(i); |
| 594 | if (curOutput != output && |
| 595 | desc->isActive() && |
| 596 | outputDesc->sharesHwModuleWith(desc) && |
| 597 | (newDevice != desc->device())) { |
| 598 | setOutputDevice(curOutput, |
| 599 | getNewDevice(curOutput, false /*fromCache*/), |
| 600 | true, |
| 601 | outputDesc->mLatency*2); |
| 602 | } |
| 603 | } |
| 604 | // update the outputs if stopping one with a stream that can affect notification routing |
| 605 | handleNotificationRoutingForStream(stream); |
| 606 | } |
| 607 | return NO_ERROR; |
| 608 | } else { |
| 609 | ALOGW("stopOutput() refcount is already 0 for output %d", output); |
| 610 | return INVALID_OPERATION; |
| 611 | } |
| 612 | } |
| 613 | |
| 614 | audio_devices_t AudioPolicyManager::getNewDevice(audio_io_handle_t output, bool fromCache) |
| 615 | { |
| 616 | audio_devices_t device = AUDIO_DEVICE_NONE; |
| 617 | |
| 618 | AudioOutputDescriptor *outputDesc = mOutputs.valueFor(output); |
| 619 | AudioOutputDescriptor *primaryOutputDesc = mOutputs.valueFor(mPrimaryOutput); |
| 620 | // check the following by order of priority to request a routing change if necessary: |
| 621 | // 1: the strategy enforced audible is active on the output: |
| 622 | // use device for strategy enforced audible |
| 623 | // 2: we are in call or the strategy phone is active on the output: |
| 624 | // use device for strategy phone |
| 625 | // 3: the strategy sonification is active on the output: |
| 626 | // use device for strategy sonification |
| 627 | // 4: the strategy "respectful" sonification is active on the output: |
| 628 | // use device for strategy "respectful" sonification |
| 629 | // 5: the strategy media is active on the output: |
| 630 | // use device for strategy media |
| 631 | // 6: the strategy DTMF is active on the output: |
| 632 | // use device for strategy DTMF |
| 633 | if (outputDesc->isStrategyActive(STRATEGY_ENFORCED_AUDIBLE)) { |
| 634 | device = getDeviceForStrategy(STRATEGY_ENFORCED_AUDIBLE, fromCache); |
| 635 | } else if (isInCall() || |
| 636 | outputDesc->isStrategyActive(STRATEGY_PHONE)) { |
| 637 | device = getDeviceForStrategy(STRATEGY_PHONE, fromCache); |
| 638 | } else if (outputDesc->isStrategyActive(STRATEGY_SONIFICATION)|| |
| 639 | (primaryOutputDesc->isStrategyActive(STRATEGY_SONIFICATION)&& !primaryOutputDesc->isStrategyActive(STRATEGY_MEDIA))){ |
| 640 | device = getDeviceForStrategy(STRATEGY_SONIFICATION, fromCache); |
| 641 | } else if (outputDesc->isStrategyActive(STRATEGY_SONIFICATION_RESPECTFUL)) { |
| 642 | device = getDeviceForStrategy(STRATEGY_SONIFICATION_RESPECTFUL, fromCache); |
| 643 | } else if (outputDesc->isStrategyActive(STRATEGY_MEDIA)) { |
| 644 | device = getDeviceForStrategy(STRATEGY_MEDIA, fromCache); |
| 645 | } else if (outputDesc->isStrategyActive(STRATEGY_DTMF)) { |
| 646 | device = getDeviceForStrategy(STRATEGY_DTMF, fromCache); |
| 647 | } |
| 648 | |
| 649 | ALOGV("getNewDevice() selected device %x", device); |
| 650 | return device; |
| 651 | } |
| 652 | |
| 653 | //private function, no changes from AudioPolicyManagerBase |
| 654 | void AudioPolicyManager::handleNotificationRoutingForStream(AudioSystem::stream_type stream) { |
| 655 | switch(stream) { |
| 656 | case AudioSystem::MUSIC: |
| 657 | checkOutputForStrategy(STRATEGY_SONIFICATION_RESPECTFUL); |
| 658 | updateDevicesAndOutputs(); |
| 659 | break; |
| 660 | default: |
| 661 | break; |
| 662 | } |
| 663 | } |
| 664 | |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 665 | audio_io_handle_t AudioPolicyManager::getInput(int inputSource, |
| 666 | uint32_t samplingRate, |
| 667 | uint32_t format, |
| 668 | uint32_t channelMask, |
| 669 | AudioSystem::audio_in_acoustics acoustics) |
| 670 | { |
| 671 | audio_io_handle_t input = 0; |
| 672 | audio_devices_t device = getDeviceForInputSource(inputSource); |
| 673 | |
| 674 | ALOGV("getInput() inputSource %d, samplingRate %d, format %d, channelMask %x, acoustics %x", |
| 675 | inputSource, samplingRate, format, channelMask, acoustics); |
| 676 | |
| 677 | if (device == AUDIO_DEVICE_NONE) { |
| 678 | ALOGW("getInput() could not find device for inputSource %d", inputSource); |
| 679 | return 0; |
| 680 | } |
| 681 | |
| 682 | |
| 683 | IOProfile *profile = getInputProfile(device, |
| 684 | samplingRate, |
| 685 | format, |
| 686 | channelMask); |
| 687 | if (profile == NULL) { |
| 688 | ALOGW("getInput() could not find profile for device %04x, samplingRate %d, format %d," |
| 689 | "channelMask %04x", |
| 690 | device, samplingRate, format, channelMask); |
| 691 | return 0; |
| 692 | } |
| 693 | |
| 694 | if (profile->mModule->mHandle == 0) { |
| 695 | ALOGE("getInput(): HW module %s not opened", profile->mModule->mName); |
| 696 | return 0; |
| 697 | } |
| 698 | |
| 699 | AudioInputDescriptor *inputDesc = new AudioInputDescriptor(profile); |
| 700 | |
| 701 | inputDesc->mInputSource = inputSource; |
| 702 | inputDesc->mDevice = device; |
| 703 | inputDesc->mSamplingRate = samplingRate; |
| 704 | inputDesc->mFormat = (audio_format_t)format; |
| 705 | inputDesc->mChannelMask = (audio_channel_mask_t)channelMask; |
| 706 | inputDesc->mRefCount = 0; |
| 707 | input = mpClientInterface->openInput(profile->mModule->mHandle, |
| 708 | &inputDesc->mDevice, |
| 709 | &inputDesc->mSamplingRate, |
| 710 | &inputDesc->mFormat, |
| 711 | &inputDesc->mChannelMask); |
| 712 | |
| 713 | // only accept input with the exact requested set of parameters |
| 714 | if (input == 0 || |
| 715 | (samplingRate != inputDesc->mSamplingRate) || |
| 716 | (format != inputDesc->mFormat) || |
| 717 | (channelMask != inputDesc->mChannelMask)) { |
| 718 | ALOGV("getInput() failed opening input: samplingRate %d, format %d, channelMask %d", |
| 719 | samplingRate, format, channelMask); |
| 720 | if (input != 0) { |
| 721 | mpClientInterface->closeInput(input); |
| 722 | } |
| 723 | delete inputDesc; |
| 724 | return 0; |
| 725 | } |
| 726 | mInputs.add(input, inputDesc); |
| 727 | return input; |
| 728 | } |
| 729 | |
| 730 | AudioPolicyManager::routing_strategy AudioPolicyManager::getStrategy(AudioSystem::stream_type stream) |
| 731 | { |
Pavan Chikkala | e33427d | 2014-03-24 17:11:50 +0530 | [diff] [blame^] | 732 | // stream to strategy mapping |
| 733 | switch (stream) { |
| 734 | case AudioSystem::VOICE_CALL: |
| 735 | case AudioSystem::BLUETOOTH_SCO: |
| 736 | return STRATEGY_PHONE; |
| 737 | case AudioSystem::RING: |
| 738 | case AudioSystem::ALARM: |
| 739 | return STRATEGY_SONIFICATION; |
| 740 | case AudioSystem::NOTIFICATION: |
| 741 | return STRATEGY_SONIFICATION_RESPECTFUL; |
| 742 | case AudioSystem::DTMF: |
| 743 | return STRATEGY_DTMF; |
| 744 | default: |
| 745 | ALOGE("unknown stream type"); |
| 746 | case AudioSystem::SYSTEM: |
| 747 | // NOTE: SYSTEM stream uses MEDIA strategy because muting music and switching outputs |
| 748 | // while key clicks are played produces a poor result |
| 749 | case AudioSystem::TTS: |
| 750 | case AudioSystem::MUSIC: |
| 751 | #ifdef AUDIO_EXTN_INCALL_MUSIC_ENABLED |
| 752 | case AudioSystem::INCALL_MUSIC: |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 753 | #endif |
Pavan Chikkala | e33427d | 2014-03-24 17:11:50 +0530 | [diff] [blame^] | 754 | return STRATEGY_MEDIA; |
| 755 | case AudioSystem::ENFORCED_AUDIBLE: |
| 756 | return STRATEGY_ENFORCED_AUDIBLE; |
| 757 | } |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 758 | } |
| 759 | |
Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 760 | audio_devices_t AudioPolicyManager::getDeviceForStrategy(routing_strategy strategy, |
| 761 | bool fromCache) |
| 762 | { |
| 763 | uint32_t device = AUDIO_DEVICE_NONE; |
| 764 | |
| 765 | if (fromCache) { |
| 766 | ALOGVV("getDeviceForStrategy() from cache strategy %d, device %x", |
| 767 | strategy, mDeviceForStrategy[strategy]); |
| 768 | return mDeviceForStrategy[strategy]; |
| 769 | } |
| 770 | |
| 771 | switch (strategy) { |
| 772 | |
| 773 | case STRATEGY_SONIFICATION_RESPECTFUL: |
| 774 | if (isInCall()) { |
| 775 | device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/); |
| 776 | } else if (isStreamActiveRemotely(AudioSystem::MUSIC, |
| 777 | SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY)) { |
| 778 | // while media is playing on a remote device, use the the sonification behavior. |
| 779 | // Note that we test this usecase before testing if media is playing because |
| 780 | // the isStreamActive() method only informs about the activity of a stream, not |
| 781 | // if it's for local playback. Note also that we use the same delay between both tests |
| 782 | device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/); |
| 783 | } else if (isStreamActive(AudioSystem::MUSIC, SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY)) { |
| 784 | // while media is playing (or has recently played), use the same device |
| 785 | device = getDeviceForStrategy(STRATEGY_MEDIA, false /*fromCache*/); |
| 786 | } else { |
| 787 | // when media is not playing anymore, fall back on the sonification behavior |
| 788 | device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/); |
| 789 | } |
| 790 | |
| 791 | break; |
| 792 | |
| 793 | case STRATEGY_DTMF: |
| 794 | if (!isInCall()) { |
| 795 | // when off call, DTMF strategy follows the same rules as MEDIA strategy |
| 796 | device = getDeviceForStrategy(STRATEGY_MEDIA, false /*fromCache*/); |
| 797 | break; |
| 798 | } |
| 799 | // when in call, DTMF and PHONE strategies follow the same rules |
| 800 | // FALL THROUGH |
| 801 | |
| 802 | case STRATEGY_PHONE: |
| 803 | // for phone strategy, we first consider the forced use and then the available devices by order |
| 804 | // of priority |
| 805 | switch (mForceUse[AudioSystem::FOR_COMMUNICATION]) { |
| 806 | case AudioSystem::FORCE_BT_SCO: |
| 807 | if (!isInCall() || strategy != STRATEGY_DTMF) { |
| 808 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT; |
| 809 | if (device) break; |
| 810 | } |
| 811 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET; |
| 812 | if (device) break; |
| 813 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_SCO; |
| 814 | if (device) break; |
| 815 | // if SCO device is requested but no SCO device is available, fall back to default case |
| 816 | // FALL THROUGH |
| 817 | |
| 818 | default: // FORCE_NONE |
| 819 | // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to A2DP |
| 820 | if (mHasA2dp && !isInCall() && |
| 821 | (mForceUse[AudioSystem::FOR_MEDIA] != AudioSystem::FORCE_NO_BT_A2DP) && |
| 822 | (getA2dpOutput() != 0) && !mA2dpSuspended) { |
| 823 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP; |
| 824 | if (device) break; |
| 825 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES; |
| 826 | if (device) break; |
| 827 | } |
| 828 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE; |
| 829 | if (device) break; |
| 830 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_WIRED_HEADSET; |
| 831 | if (device) break; |
| 832 | if (mPhoneState != AudioSystem::MODE_IN_CALL) { |
| 833 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_ACCESSORY; |
| 834 | if (device) break; |
| 835 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_DEVICE; |
| 836 | if (device) break; |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 837 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET; |
| 838 | if (device) break; |
Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 839 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_AUX_DIGITAL; |
| 840 | if (device) break; |
| 841 | } |
| 842 | |
| 843 | // Allow voice call on USB ANLG DOCK headset |
Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 844 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET; |
| 845 | if (device) break; |
| 846 | |
| 847 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_EARPIECE; |
| 848 | if (device) break; |
| 849 | device = mDefaultOutputDevice; |
| 850 | if (device == AUDIO_DEVICE_NONE) { |
| 851 | ALOGE("getDeviceForStrategy() no device found for STRATEGY_PHONE"); |
| 852 | } |
| 853 | break; |
| 854 | |
| 855 | case AudioSystem::FORCE_SPEAKER: |
| 856 | // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to |
| 857 | // A2DP speaker when forcing to speaker output |
| 858 | if (mHasA2dp && !isInCall() && |
| 859 | (mForceUse[AudioSystem::FOR_MEDIA] != AudioSystem::FORCE_NO_BT_A2DP) && |
| 860 | (getA2dpOutput() != 0) && !mA2dpSuspended) { |
| 861 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER; |
| 862 | if (device) break; |
| 863 | } |
| 864 | if (mPhoneState != AudioSystem::MODE_IN_CALL) { |
| 865 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_ACCESSORY; |
| 866 | if (device) break; |
| 867 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_DEVICE; |
| 868 | if (device) break; |
| 869 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET; |
| 870 | if (device) break; |
| 871 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_AUX_DIGITAL; |
| 872 | if (device) break; |
Helen Zeng | bbce495 | 2013-12-16 20:26:46 -0800 | [diff] [blame] | 873 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET; |
| 874 | if (device) break; |
Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 875 | } |
| 876 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_SPEAKER; |
| 877 | if (device) break; |
| 878 | device = mDefaultOutputDevice; |
| 879 | if (device == AUDIO_DEVICE_NONE) { |
| 880 | ALOGE("getDeviceForStrategy() no device found for STRATEGY_PHONE, FORCE_SPEAKER"); |
| 881 | } |
| 882 | break; |
| 883 | } |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 884 | // FIXME: Why do need to replace with speaker? If voice call is active |
| 885 | // We should use device from STRATEGY_PHONE |
| 886 | #ifdef AUDIO_EXTN_FM_ENABLED |
| 887 | if (mAvailableOutputDevices & AUDIO_DEVICE_OUT_FM) { |
| 888 | if (mForceUse[AudioSystem::FOR_MEDIA] == AudioSystem::FORCE_SPEAKER) { |
| 889 | device = AUDIO_DEVICE_OUT_SPEAKER; |
| 890 | } |
| 891 | } |
| 892 | #endif |
Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 893 | break; |
| 894 | |
| 895 | case STRATEGY_SONIFICATION: |
| 896 | |
| 897 | // If incall, just select the STRATEGY_PHONE device: The rest of the behavior is handled by |
| 898 | // handleIncallSonification(). |
| 899 | if (isInCall()) { |
| 900 | device = getDeviceForStrategy(STRATEGY_PHONE, false /*fromCache*/); |
| 901 | break; |
| 902 | } |
| 903 | // FALL THROUGH |
| 904 | |
| 905 | case STRATEGY_ENFORCED_AUDIBLE: |
| 906 | // strategy STRATEGY_ENFORCED_AUDIBLE uses same routing policy as STRATEGY_SONIFICATION |
| 907 | // except: |
| 908 | // - when in call where it doesn't default to STRATEGY_PHONE behavior |
| 909 | // - in countries where not enforced in which case it follows STRATEGY_MEDIA |
| 910 | |
| 911 | if ((strategy == STRATEGY_SONIFICATION) || |
| 912 | (mForceUse[AudioSystem::FOR_SYSTEM] == AudioSystem::FORCE_SYSTEM_ENFORCED)) { |
| 913 | device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_SPEAKER; |
| 914 | if (device == AUDIO_DEVICE_NONE) { |
| 915 | ALOGE("getDeviceForStrategy() speaker device not found for STRATEGY_SONIFICATION"); |
| 916 | } |
| 917 | } |
| 918 | // The second device used for sonification is the same as the device used by media strategy |
| 919 | // FALL THROUGH |
| 920 | |
| 921 | case STRATEGY_MEDIA: { |
| 922 | uint32_t device2 = AUDIO_DEVICE_NONE; |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 923 | |
Mingming Yin | 4a72d65 | 2014-01-03 18:54:18 -0800 | [diff] [blame] | 924 | if (isInCall() && (device == AUDIO_DEVICE_NONE)) { |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 925 | // when in call, get the device for Phone strategy |
| 926 | device = getDeviceForStrategy(STRATEGY_PHONE, false /*fromCache*/); |
| 927 | break; |
| 928 | } |
| 929 | #ifdef AUDIO_EXTN_FM_ENABLED |
| 930 | if (mForceUse[AudioSystem::FOR_MEDIA] == AudioSystem::FORCE_SPEAKER) { |
| 931 | device = AUDIO_DEVICE_OUT_SPEAKER; |
| 932 | break; |
| 933 | } |
| 934 | #endif |
| 935 | |
Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 936 | if (strategy != STRATEGY_SONIFICATION) { |
| 937 | // no sonification on remote submix (e.g. WFD) |
| 938 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_REMOTE_SUBMIX; |
| 939 | } |
| 940 | if ((device2 == AUDIO_DEVICE_NONE) && |
| 941 | mHasA2dp && (mForceUse[AudioSystem::FOR_MEDIA] != AudioSystem::FORCE_NO_BT_A2DP) && |
| 942 | (getA2dpOutput() != 0) && !mA2dpSuspended) { |
| 943 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP; |
| 944 | if (device2 == AUDIO_DEVICE_NONE) { |
| 945 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES; |
| 946 | } |
| 947 | if (device2 == AUDIO_DEVICE_NONE) { |
| 948 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER; |
| 949 | } |
| 950 | } |
| 951 | if (device2 == AUDIO_DEVICE_NONE) { |
| 952 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE; |
| 953 | } |
| 954 | if (device2 == AUDIO_DEVICE_NONE) { |
| 955 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_WIRED_HEADSET; |
| 956 | } |
| 957 | if (device2 == AUDIO_DEVICE_NONE) { |
| 958 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_ACCESSORY; |
| 959 | } |
| 960 | if (device2 == AUDIO_DEVICE_NONE) { |
| 961 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_DEVICE; |
| 962 | } |
| 963 | if (device2 == AUDIO_DEVICE_NONE) { |
| 964 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET; |
| 965 | } |
Apoorv Raghuvanshi | 8506a98 | 2014-01-17 13:10:09 -0800 | [diff] [blame] | 966 | if ((strategy != STRATEGY_SONIFICATION) && (device == AUDIO_DEVICE_NONE) |
| 967 | && (device2 == AUDIO_DEVICE_NONE)) { |
Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 968 | // no sonification on aux digital (e.g. HDMI) |
| 969 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_AUX_DIGITAL; |
| 970 | } |
| 971 | if ((device2 == AUDIO_DEVICE_NONE) && |
Krishnankutty Kolathappilly | 4b7fdaa | 2013-12-16 00:40:11 -0800 | [diff] [blame] | 972 | (mForceUse[AudioSystem::FOR_DOCK] == AudioSystem::FORCE_ANALOG_DOCK) |
| 973 | && (strategy != STRATEGY_SONIFICATION)) { |
Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 974 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET; |
| 975 | } |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 976 | #ifdef AUDIO_EXTN_FM_ENABLED |
Apoorv Raghuvanshi | 8506a98 | 2014-01-17 13:10:09 -0800 | [diff] [blame] | 977 | if ((strategy != STRATEGY_SONIFICATION) && (device == AUDIO_DEVICE_NONE) |
| 978 | && (device2 == AUDIO_DEVICE_NONE)) { |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 979 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_FM_TX; |
| 980 | } |
| 981 | #endif |
| 982 | #ifdef AUDIO_EXTN_AFE_PROXY_ENABLED |
Apoorv Raghuvanshi | 8506a98 | 2014-01-17 13:10:09 -0800 | [diff] [blame] | 983 | if ((strategy != STRATEGY_SONIFICATION) && (device == AUDIO_DEVICE_NONE) |
| 984 | && (device2 == AUDIO_DEVICE_NONE)) { |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 985 | // no sonification on WFD sink |
| 986 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_PROXY; |
| 987 | } |
| 988 | #endif |
Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 989 | if (device2 == AUDIO_DEVICE_NONE) { |
| 990 | device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_SPEAKER; |
| 991 | } |
| 992 | |
| 993 | // device is DEVICE_OUT_SPEAKER if we come from case STRATEGY_SONIFICATION or |
| 994 | // STRATEGY_ENFORCED_AUDIBLE, AUDIO_DEVICE_NONE otherwise |
| 995 | device |= device2; |
| 996 | if (device) break; |
| 997 | device = mDefaultOutputDevice; |
| 998 | if (device == AUDIO_DEVICE_NONE) { |
| 999 | ALOGE("getDeviceForStrategy() no device found for STRATEGY_MEDIA"); |
| 1000 | } |
| 1001 | } break; |
| 1002 | |
| 1003 | default: |
| 1004 | ALOGW("getDeviceForStrategy() unknown strategy: %d", strategy); |
| 1005 | break; |
| 1006 | } |
| 1007 | |
| 1008 | ALOGVV("getDeviceForStrategy() strategy %d, device %x", strategy, device); |
| 1009 | return device; |
| 1010 | } |
| 1011 | |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 1012 | audio_devices_t AudioPolicyManager::getDeviceForInputSource(int inputSource) |
| 1013 | { |
| 1014 | uint32_t device = AUDIO_DEVICE_NONE; |
| 1015 | |
| 1016 | switch (inputSource) { |
| 1017 | case AUDIO_SOURCE_VOICE_UPLINK: |
| 1018 | if (mAvailableInputDevices & AUDIO_DEVICE_IN_VOICE_CALL) { |
| 1019 | device = AUDIO_DEVICE_IN_VOICE_CALL; |
| 1020 | break; |
| 1021 | } |
| 1022 | // FALL THROUGH |
| 1023 | |
| 1024 | case AUDIO_SOURCE_DEFAULT: |
| 1025 | case AUDIO_SOURCE_MIC: |
| 1026 | case AUDIO_SOURCE_VOICE_RECOGNITION: |
| 1027 | case AUDIO_SOURCE_HOTWORD: |
| 1028 | case AUDIO_SOURCE_VOICE_COMMUNICATION: |
| 1029 | if (mForceUse[AudioSystem::FOR_RECORD] == AudioSystem::FORCE_BT_SCO && |
| 1030 | mAvailableInputDevices & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) { |
| 1031 | device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET; |
| 1032 | } else if (mAvailableInputDevices & AUDIO_DEVICE_IN_WIRED_HEADSET) { |
| 1033 | device = AUDIO_DEVICE_IN_WIRED_HEADSET; |
| 1034 | } else if (mAvailableInputDevices & AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET) { |
| 1035 | device = AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET; |
| 1036 | } else if (mAvailableInputDevices & AUDIO_DEVICE_IN_BUILTIN_MIC) { |
| 1037 | device = AUDIO_DEVICE_IN_BUILTIN_MIC; |
| 1038 | } |
| 1039 | break; |
| 1040 | case AUDIO_SOURCE_CAMCORDER: |
| 1041 | if (mAvailableInputDevices & AUDIO_DEVICE_IN_BACK_MIC) { |
| 1042 | device = AUDIO_DEVICE_IN_BACK_MIC; |
| 1043 | } else if (mAvailableInputDevices & AUDIO_DEVICE_IN_BUILTIN_MIC) { |
| 1044 | device = AUDIO_DEVICE_IN_BUILTIN_MIC; |
| 1045 | } |
| 1046 | break; |
| 1047 | case AUDIO_SOURCE_VOICE_DOWNLINK: |
| 1048 | case AUDIO_SOURCE_VOICE_CALL: |
| 1049 | if (mAvailableInputDevices & AUDIO_DEVICE_IN_VOICE_CALL) { |
| 1050 | device = AUDIO_DEVICE_IN_VOICE_CALL; |
| 1051 | } |
| 1052 | break; |
| 1053 | case AUDIO_SOURCE_REMOTE_SUBMIX: |
| 1054 | if (mAvailableInputDevices & AUDIO_DEVICE_IN_REMOTE_SUBMIX) { |
| 1055 | device = AUDIO_DEVICE_IN_REMOTE_SUBMIX; |
| 1056 | } |
| 1057 | break; |
| 1058 | #ifdef AUDIO_EXTN_FM_ENABLED |
| 1059 | case AUDIO_SOURCE_FM_RX: |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 1060 | device = AUDIO_DEVICE_IN_FM_RX; |
| 1061 | break; |
Preetam Singh Ranawat | de84f1a | 2013-11-01 14:58:16 -0700 | [diff] [blame] | 1062 | case AUDIO_SOURCE_FM_RX_A2DP: |
| 1063 | device = AUDIO_DEVICE_IN_FM_RX_A2DP; |
| 1064 | break; |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 1065 | #endif |
| 1066 | default: |
| 1067 | ALOGW("getDeviceForInputSource() invalid input source %d", inputSource); |
| 1068 | break; |
| 1069 | } |
| 1070 | ALOGV("getDeviceForInputSource()input source %d, device %08x", inputSource, device); |
| 1071 | return device; |
| 1072 | } |
| 1073 | |
| 1074 | AudioPolicyManager::device_category AudioPolicyManager::getDeviceCategory(audio_devices_t device) |
| 1075 | { |
| 1076 | switch(getDeviceForVolume(device)) { |
| 1077 | case AUDIO_DEVICE_OUT_EARPIECE: |
| 1078 | return DEVICE_CATEGORY_EARPIECE; |
| 1079 | case AUDIO_DEVICE_OUT_WIRED_HEADSET: |
| 1080 | case AUDIO_DEVICE_OUT_WIRED_HEADPHONE: |
| 1081 | case AUDIO_DEVICE_OUT_BLUETOOTH_SCO: |
| 1082 | case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET: |
| 1083 | case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP: |
| 1084 | case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES: |
| 1085 | #ifdef AUDIO_EXTN_FM_ENABLED |
| 1086 | case AUDIO_DEVICE_OUT_FM: |
| 1087 | #endif |
| 1088 | return DEVICE_CATEGORY_HEADSET; |
| 1089 | case AUDIO_DEVICE_OUT_SPEAKER: |
| 1090 | case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT: |
| 1091 | case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER: |
| 1092 | case AUDIO_DEVICE_OUT_AUX_DIGITAL: |
| 1093 | case AUDIO_DEVICE_OUT_USB_ACCESSORY: |
| 1094 | case AUDIO_DEVICE_OUT_USB_DEVICE: |
| 1095 | case AUDIO_DEVICE_OUT_REMOTE_SUBMIX: |
| 1096 | #ifdef AUDIO_EXTN_AFE_PROXY_ENABLED |
| 1097 | case AUDIO_DEVICE_OUT_PROXY: |
| 1098 | #endif |
| 1099 | default: |
| 1100 | return DEVICE_CATEGORY_SPEAKER; |
| 1101 | } |
| 1102 | } |
| 1103 | |
| 1104 | status_t AudioPolicyManager::checkAndSetVolume(int stream, |
| 1105 | int index, |
| 1106 | audio_io_handle_t output, |
| 1107 | audio_devices_t device, |
| 1108 | int delayMs, |
| 1109 | bool force) |
| 1110 | { |
| 1111 | ALOGV("checkAndSetVolume: index %d output %d device %x", index, output, device); |
| 1112 | // do not change actual stream volume if the stream is muted |
| 1113 | if (mOutputs.valueFor(output)->mMuteCount[stream] != 0) { |
| 1114 | ALOGVV("checkAndSetVolume() stream %d muted count %d", |
| 1115 | stream, mOutputs.valueFor(output)->mMuteCount[stream]); |
| 1116 | return NO_ERROR; |
| 1117 | } |
| 1118 | |
| 1119 | // do not change in call volume if bluetooth is connected and vice versa |
| 1120 | if ((stream == AudioSystem::VOICE_CALL && mForceUse[AudioSystem::FOR_COMMUNICATION] == AudioSystem::FORCE_BT_SCO) || |
| 1121 | (stream == AudioSystem::BLUETOOTH_SCO && mForceUse[AudioSystem::FOR_COMMUNICATION] != AudioSystem::FORCE_BT_SCO)) { |
| 1122 | ALOGV("checkAndSetVolume() cannot set stream %d volume with force use = %d for comm", |
| 1123 | stream, mForceUse[AudioSystem::FOR_COMMUNICATION]); |
| 1124 | return INVALID_OPERATION; |
| 1125 | } |
| 1126 | |
| 1127 | float volume = computeVolume(stream, index, output, device); |
| 1128 | // We actually change the volume if: |
| 1129 | // - the float value returned by computeVolume() changed |
| 1130 | // - the force flag is set |
| 1131 | if (volume != mOutputs.valueFor(output)->mCurVolume[stream] || |
| 1132 | force) { |
| 1133 | mOutputs.valueFor(output)->mCurVolume[stream] = volume; |
| 1134 | ALOGV("checkAndSetVolume() for output %d stream %d, volume %f, delay %d", output, stream, volume, delayMs); |
| 1135 | // Force VOICE_CALL to track BLUETOOTH_SCO stream volume when bluetooth audio is |
| 1136 | // enabled |
| 1137 | if (stream == AudioSystem::BLUETOOTH_SCO) { |
| 1138 | mpClientInterface->setStreamVolume(AudioSystem::VOICE_CALL, volume, output, delayMs); |
| 1139 | #ifdef AUDIO_EXTN_FM_ENABLED |
| 1140 | } else if (stream == AudioSystem::MUSIC && |
| 1141 | output == mPrimaryOutput) { |
| 1142 | float fmVolume = -1.0; |
| 1143 | fmVolume = computeVolume(stream, index, output, device); |
| 1144 | if (fmVolume >= 0) { |
| 1145 | AudioParameter param = AudioParameter(); |
| 1146 | param.addFloat(String8("fm_volume"), fmVolume); |
| 1147 | ALOGV("checkAndSetVolume setParameters fm_volume, volume=:%f delay=:%d",fmVolume,delayMs*2); |
| 1148 | //Double delayMs to avoid sound burst while device switch. |
| 1149 | mpClientInterface->setParameters(mPrimaryOutput, param.toString(), delayMs*2); |
| 1150 | } |
| 1151 | #endif |
| 1152 | } |
| 1153 | mpClientInterface->setStreamVolume((AudioSystem::stream_type)stream, volume, output, delayMs); |
| 1154 | } |
| 1155 | |
| 1156 | if (stream == AudioSystem::VOICE_CALL || |
| 1157 | stream == AudioSystem::BLUETOOTH_SCO) { |
| 1158 | float voiceVolume; |
| 1159 | |
| 1160 | voiceVolume = (float)index/(float)mStreams[stream].mIndexMax; |
| 1161 | |
| 1162 | // Force voice volume to max when Vgs is set for bluetooth SCO as volume is managed by the headset |
| 1163 | if (stream == AudioSystem::BLUETOOTH_SCO) { |
| 1164 | String8 key ("bt_headset_vgs"); |
| 1165 | mpClientInterface->getParameters(output,key); |
| 1166 | AudioParameter result(mpClientInterface->getParameters(0,key)); |
| 1167 | int value; |
| 1168 | if (result.getInt(String8("isVGS"),value) == NO_ERROR) { |
| 1169 | ALOGV("Use BT-SCO Voice Volume"); |
| 1170 | voiceVolume = 1.0; |
| 1171 | } |
| 1172 | } |
| 1173 | |
| 1174 | if (voiceVolume != mLastVoiceVolume && output == mPrimaryOutput) { |
| 1175 | mpClientInterface->setVoiceVolume(voiceVolume, delayMs); |
| 1176 | mLastVoiceVolume = voiceVolume; |
| 1177 | } |
| 1178 | } |
| 1179 | |
| 1180 | return NO_ERROR; |
| 1181 | } |
| 1182 | |
| 1183 | |
| 1184 | float AudioPolicyManager::computeVolume(int stream, |
| 1185 | int index, |
| 1186 | audio_io_handle_t output, |
| 1187 | audio_devices_t device) |
| 1188 | { |
| 1189 | float volume = 1.0; |
| 1190 | AudioOutputDescriptor *outputDesc = mOutputs.valueFor(output); |
| 1191 | |
| 1192 | if (device == AUDIO_DEVICE_NONE) { |
| 1193 | device = outputDesc->device(); |
| 1194 | } |
| 1195 | |
| 1196 | // if volume is not 0 (not muted), force media volume to max on digital output |
| 1197 | if (stream == AudioSystem::MUSIC && |
| 1198 | index != mStreams[stream].mIndexMin && |
| 1199 | (device == AUDIO_DEVICE_OUT_AUX_DIGITAL || |
| 1200 | device == AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET || |
| 1201 | device == AUDIO_DEVICE_OUT_USB_ACCESSORY || |
| 1202 | #ifdef AUDIO_EXTN_AFE_PROXY_ENABLED |
| 1203 | device == AUDIO_DEVICE_OUT_PROXY || |
| 1204 | #endif |
| 1205 | device == AUDIO_DEVICE_OUT_USB_DEVICE )) { |
| 1206 | return 1.0; |
| 1207 | } |
| 1208 | #ifdef AUDIO_EXTN_INCALL_MUSIC_ENABLED |
| 1209 | if (stream == AudioSystem::INCALL_MUSIC) { |
| 1210 | return 1.0; |
| 1211 | } |
| 1212 | #endif |
| 1213 | return AudioPolicyManagerBase::computeVolume(stream, index, output, device); |
| 1214 | } |
ApurupaPattapu | 0c56687 | 2014-01-10 14:46:02 -0800 | [diff] [blame] | 1215 | |
| 1216 | // This function checks for the parameters which can be offloaded. |
| 1217 | // This can be enhanced depending on the capability of the DSP and policy |
| 1218 | // of the system. |
| 1219 | bool AudioPolicyManager::isOffloadSupported(const audio_offload_info_t& offloadInfo) |
| 1220 | { |
| 1221 | ALOGV(" isOffloadSupported: SR=%u, CM=0x%x, Format=0x%x, StreamType=%d," |
| 1222 | " BitRate=%u, duration=%lld us, has_video=%d", |
| 1223 | offloadInfo.sample_rate, offloadInfo.channel_mask, |
| 1224 | offloadInfo.format, |
| 1225 | offloadInfo.stream_type, offloadInfo.bit_rate, offloadInfo.duration_us, |
| 1226 | offloadInfo.has_video); |
| 1227 | |
| 1228 | #ifdef VOICE_CONCURRENCY |
| 1229 | if(isInCall()) |
| 1230 | { |
| 1231 | ALOGD("\n blocking compress offload on call mode\n"); |
| 1232 | return false; |
| 1233 | } |
| 1234 | #endif |
| 1235 | // Check if stream type is music, then only allow offload as of now. |
| 1236 | if (offloadInfo.stream_type != AUDIO_STREAM_MUSIC) |
| 1237 | { |
| 1238 | ALOGV("isOffloadSupported: stream_type != MUSIC, returning false"); |
| 1239 | return false; |
| 1240 | } |
| 1241 | |
| 1242 | char propValue[PROPERTY_VALUE_MAX]; |
| 1243 | bool pcmOffload = false; |
| 1244 | if (audio_is_offload_pcm(offloadInfo.format)) { |
| 1245 | if(property_get("audio.offload.pcm.enable", propValue, NULL)) { |
| 1246 | bool prop_enabled = atoi(propValue) || !strncmp("true", propValue, 4); |
| 1247 | if (prop_enabled) { |
| 1248 | ALOGW("PCM offload property is enabled"); |
| 1249 | pcmOffload = true; |
| 1250 | } |
| 1251 | } |
| 1252 | if (!pcmOffload) { |
| 1253 | ALOGV("PCM offload disabled by property audio.offload.pcm.enable"); |
| 1254 | return false; |
| 1255 | } |
| 1256 | } |
| 1257 | |
| 1258 | if (!pcmOffload) { |
| 1259 | // Check if offload has been disabled |
| 1260 | if (property_get("audio.offload.disable", propValue, "0")) { |
| 1261 | if (atoi(propValue) != 0) { |
| 1262 | ALOGV("offload disabled by audio.offload.disable=%s", propValue ); |
| 1263 | return false; |
| 1264 | } |
| 1265 | } |
| 1266 | |
| 1267 | //check if it's multi-channel AAC format |
| 1268 | if (AudioSystem::popCount(offloadInfo.channel_mask) > 2 |
| 1269 | && offloadInfo.format == AUDIO_FORMAT_AAC) { |
| 1270 | ALOGV("offload disabled for multi-channel AAC format"); |
| 1271 | return false; |
| 1272 | } |
| 1273 | |
| 1274 | if (offloadInfo.has_video) |
| 1275 | { |
| 1276 | if(property_get("av.offload.enable", propValue, NULL)) { |
| 1277 | bool prop_enabled = atoi(propValue) || !strncmp("true", propValue, 4); |
| 1278 | if (!prop_enabled) { |
| 1279 | ALOGW("offload disabled by av.offload.enable = %s ", propValue ); |
| 1280 | return false; |
| 1281 | } |
| 1282 | } else { |
| 1283 | return false; |
| 1284 | } |
| 1285 | |
| 1286 | if(offloadInfo.is_streaming) { |
| 1287 | if (property_get("av.streaming.offload.enable", propValue, NULL)) { |
| 1288 | bool prop_enabled = atoi(propValue) || !strncmp("true", propValue, 4); |
| 1289 | if (!prop_enabled) { |
| 1290 | ALOGW("offload disabled by av.streaming.offload.enable = %s ", propValue ); |
| 1291 | return false; |
| 1292 | } |
| 1293 | } else { |
| 1294 | //Do not offload AV streamnig if the property is not defined |
| 1295 | return false; |
| 1296 | } |
| 1297 | } |
| 1298 | ALOGV("isOffloadSupported: has_video == true, property\ |
| 1299 | set to enable offload"); |
| 1300 | } |
| 1301 | } |
| 1302 | |
| 1303 | //If duration is less than minimum value defined in property, return false |
| 1304 | if (property_get("audio.offload.min.duration.secs", propValue, NULL)) { |
| 1305 | if (offloadInfo.duration_us < (atoi(propValue) * 1000000 )) { |
| 1306 | ALOGV("Offload denied by duration < audio.offload.min.duration.secs(=%s)", propValue); |
| 1307 | return false; |
| 1308 | } |
| 1309 | } else if (offloadInfo.duration_us < OFFLOAD_DEFAULT_MIN_DURATION_SECS * 1000000) { |
| 1310 | ALOGV("Offload denied by duration < default min(=%u)", OFFLOAD_DEFAULT_MIN_DURATION_SECS); |
| 1311 | //duration checks only valid for MP3/AAC formats, |
| 1312 | //do not check duration for other audio formats, e.g. dolby AAC/AC3 and amrwb+ formats |
| 1313 | if (offloadInfo.format == AUDIO_FORMAT_MP3 || offloadInfo.format == AUDIO_FORMAT_AAC || pcmOffload) |
| 1314 | return false; |
| 1315 | } |
| 1316 | |
| 1317 | // Do not allow offloading if one non offloadable effect is enabled. This prevents from |
| 1318 | // creating an offloaded track and tearing it down immediately after start when audioflinger |
| 1319 | // detects there is an active non offloadable effect. |
| 1320 | // FIXME: We should check the audio session here but we do not have it in this context. |
| 1321 | // This may prevent offloading in rare situations where effects are left active by apps |
| 1322 | // in the background. |
| 1323 | if (isNonOffloadableEffectEnabled()) { |
| 1324 | return false; |
| 1325 | } |
| 1326 | |
| 1327 | // See if there is a profile to support this. |
| 1328 | // AUDIO_DEVICE_NONE |
| 1329 | IOProfile *profile = getProfileForDirectOutput(AUDIO_DEVICE_NONE /*ignore device */, |
| 1330 | offloadInfo.sample_rate, |
| 1331 | offloadInfo.format, |
| 1332 | offloadInfo.channel_mask, |
| 1333 | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); |
| 1334 | ALOGV("isOffloadSupported() profile %sfound", profile != NULL ? "" : "NOT "); |
| 1335 | return (profile != NULL); |
| 1336 | } |
| 1337 | |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 1338 | extern "C" AudioPolicyInterface* createAudioPolicyManager(AudioPolicyClientInterface *clientInterface) |
Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 1339 | { |
| 1340 | return new AudioPolicyManager(clientInterface); |
| 1341 | } |
| 1342 | |
Ravi Kumar Alamanda | 88d28cb | 2013-10-15 16:59:57 -0700 | [diff] [blame] | 1343 | extern "C" void destroyAudioPolicyManager(AudioPolicyInterface *interface) |
Ravi Kumar Alamanda | 89a8142 | 2013-10-08 23:47:55 -0700 | [diff] [blame] | 1344 | { |
| 1345 | delete interface; |
| 1346 | } |
| 1347 | |
| 1348 | }; // namespace android |