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Diffstat (limited to 'libs/audioflinger/AudioPolicyManagerBase.cpp')
| -rw-r--r-- | libs/audioflinger/AudioPolicyManagerBase.cpp | 1972 |
1 files changed, 0 insertions, 1972 deletions
diff --git a/libs/audioflinger/AudioPolicyManagerBase.cpp b/libs/audioflinger/AudioPolicyManagerBase.cpp deleted file mode 100644 index c8b3f487a02c..000000000000 --- a/libs/audioflinger/AudioPolicyManagerBase.cpp +++ /dev/null @@ -1,1972 +0,0 @@ -/* - * Copyright (C) 2009 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#define LOG_TAG "AudioPolicyManagerBase" -//#define LOG_NDEBUG 0 -#include <utils/Log.h> -#include <hardware_legacy/AudioPolicyManagerBase.h> -#include <media/mediarecorder.h> - -namespace android { - - -// ---------------------------------------------------------------------------- -// AudioPolicyInterface implementation -// ---------------------------------------------------------------------------- - - -status_t AudioPolicyManagerBase::setDeviceConnectionState(AudioSystem::audio_devices device, - AudioSystem::device_connection_state state, - const char *device_address) -{ - - LOGV("setDeviceConnectionState() device: %x, state %d, address %s", device, state, device_address); - - // connect/disconnect only 1 device at a time - if (AudioSystem::popCount(device) != 1) return BAD_VALUE; - - if (strlen(device_address) >= MAX_DEVICE_ADDRESS_LEN) { - LOGE("setDeviceConnectionState() invalid address: %s", device_address); - return BAD_VALUE; - } - - // handle output devices - if (AudioSystem::isOutputDevice(device)) { - -#ifndef WITH_A2DP - if (AudioSystem::isA2dpDevice(device)) { - LOGE("setDeviceConnectionState() invalid device: %x", device); - return BAD_VALUE; - } -#endif - - switch (state) - { - // handle output device connection - case AudioSystem::DEVICE_STATE_AVAILABLE: - if (mAvailableOutputDevices & device) { - LOGW("setDeviceConnectionState() device already connected: %x", device); - return INVALID_OPERATION; - } - LOGV("setDeviceConnectionState() connecting device %x", device); - - // register new device as available - mAvailableOutputDevices |= device; - -#ifdef WITH_A2DP - // handle A2DP device connection - if (AudioSystem::isA2dpDevice(device)) { - status_t status = handleA2dpConnection(device, device_address); - if (status != NO_ERROR) { - mAvailableOutputDevices &= ~device; - return status; - } - } else -#endif - { - if (AudioSystem::isBluetoothScoDevice(device)) { - LOGV("setDeviceConnectionState() BT SCO device, address %s", device_address); - // keep track of SCO device address - mScoDeviceAddress = String8(device_address, MAX_DEVICE_ADDRESS_LEN); -#ifdef WITH_A2DP - if (mA2dpOutput != 0 && - mPhoneState != AudioSystem::MODE_NORMAL) { - mpClientInterface->suspendOutput(mA2dpOutput); - } -#endif - } - } - break; - // handle output device disconnection - case AudioSystem::DEVICE_STATE_UNAVAILABLE: { - if (!(mAvailableOutputDevices & device)) { - LOGW("setDeviceConnectionState() device not connected: %x", device); - return INVALID_OPERATION; - } - - - LOGV("setDeviceConnectionState() disconnecting device %x", device); - // remove device from available output devices - mAvailableOutputDevices &= ~device; - -#ifdef WITH_A2DP - // handle A2DP device disconnection - if (AudioSystem::isA2dpDevice(device)) { - status_t status = handleA2dpDisconnection(device, device_address); - if (status != NO_ERROR) { - mAvailableOutputDevices |= device; - return status; - } - } else -#endif - { - if (AudioSystem::isBluetoothScoDevice(device)) { - mScoDeviceAddress = ""; -#ifdef WITH_A2DP - if (mA2dpOutput != 0 && - mPhoneState != AudioSystem::MODE_NORMAL) { - mpClientInterface->restoreOutput(mA2dpOutput); - } -#endif - } - } - } break; - - default: - LOGE("setDeviceConnectionState() invalid state: %x", state); - return BAD_VALUE; - } - - // request routing change if necessary - uint32_t newDevice = getNewDevice(mHardwareOutput, false); -#ifdef WITH_A2DP - checkOutputForAllStrategies(newDevice); - // A2DP outputs must be closed after checkOutputForAllStrategies() is executed - if (state == AudioSystem::DEVICE_STATE_UNAVAILABLE && AudioSystem::isA2dpDevice(device)) { - closeA2dpOutputs(); - } -#endif - updateDeviceForStrategy(); - setOutputDevice(mHardwareOutput, newDevice); - - if (device == AudioSystem::DEVICE_OUT_WIRED_HEADSET) { - device = AudioSystem::DEVICE_IN_WIRED_HEADSET; - } else if (device == AudioSystem::DEVICE_OUT_BLUETOOTH_SCO || - device == AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_HEADSET || - device == AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT) { - device = AudioSystem::DEVICE_IN_BLUETOOTH_SCO_HEADSET; - } else { - return NO_ERROR; - } - } - // handle input devices - if (AudioSystem::isInputDevice(device)) { - - switch (state) - { - // handle input device connection - case AudioSystem::DEVICE_STATE_AVAILABLE: { - if (mAvailableInputDevices & device) { - LOGW("setDeviceConnectionState() device already connected: %d", device); - return INVALID_OPERATION; - } - mAvailableInputDevices |= device; - } - break; - - // handle input device disconnection - case AudioSystem::DEVICE_STATE_UNAVAILABLE: { - if (!(mAvailableInputDevices & device)) { - LOGW("setDeviceConnectionState() device not connected: %d", device); - return INVALID_OPERATION; - } - mAvailableInputDevices &= ~device; - } break; - - default: - LOGE("setDeviceConnectionState() invalid state: %x", state); - return BAD_VALUE; - } - - audio_io_handle_t activeInput = getActiveInput(); - if (activeInput != 0) { - AudioInputDescriptor *inputDesc = mInputs.valueFor(activeInput); - uint32_t newDevice = getDeviceForInputSource(inputDesc->mInputSource); - if (newDevice != inputDesc->mDevice) { - LOGV("setDeviceConnectionState() changing device from %x to %x for input %d", - inputDesc->mDevice, newDevice, activeInput); - inputDesc->mDevice = newDevice; - AudioParameter param = AudioParameter(); - param.addInt(String8(AudioParameter::keyRouting), (int)newDevice); - mpClientInterface->setParameters(activeInput, param.toString()); - } - } - - return NO_ERROR; - } - - LOGW("setDeviceConnectionState() invalid device: %x", device); - return BAD_VALUE; -} - -AudioSystem::device_connection_state AudioPolicyManagerBase::getDeviceConnectionState(AudioSystem::audio_devices device, - const char *device_address) -{ - AudioSystem::device_connection_state state = AudioSystem::DEVICE_STATE_UNAVAILABLE; - String8 address = String8(device_address); - if (AudioSystem::isOutputDevice(device)) { - if (device & mAvailableOutputDevices) { -#ifdef WITH_A2DP - if (AudioSystem::isA2dpDevice(device) && - address != "" && mA2dpDeviceAddress != address) { - return state; - } -#endif - if (AudioSystem::isBluetoothScoDevice(device) && - address != "" && mScoDeviceAddress != address) { - return state; - } - state = AudioSystem::DEVICE_STATE_AVAILABLE; - } - } else if (AudioSystem::isInputDevice(device)) { - if (device & mAvailableInputDevices) { - state = AudioSystem::DEVICE_STATE_AVAILABLE; - } - } - - return state; -} - -void AudioPolicyManagerBase::setPhoneState(int state) -{ - LOGV("setPhoneState() state %d", state); - uint32_t newDevice = 0; - if (state < 0 || state >= AudioSystem::NUM_MODES) { - LOGW("setPhoneState() invalid state %d", state); - return; - } - - if (state == mPhoneState ) { - LOGW("setPhoneState() setting same state %d", state); - return; - } - - // if leaving call state, handle special case of active streams - // pertaining to sonification strategy see handleIncallSonification() - if (mPhoneState == AudioSystem::MODE_IN_CALL) { - LOGV("setPhoneState() in call state management: new state is %d", state); - for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) { - handleIncallSonification(stream, false, true); - } - } - - // store previous phone state for management of sonification strategy below - int oldState = mPhoneState; - mPhoneState = state; - bool force = false; - - // are we entering or starting a call - if ((oldState != AudioSystem::MODE_IN_CALL) && (state == AudioSystem::MODE_IN_CALL)) { - LOGV(" Entering call in setPhoneState()"); - // force routing command to audio hardware when starting a call - // even if no device change is needed - force = true; - } else if ((oldState == AudioSystem::MODE_IN_CALL) && (state != AudioSystem::MODE_IN_CALL)) { - LOGV(" Exiting call in setPhoneState()"); - // force routing command to audio hardware when exiting a call - // even if no device change is needed - force = true; - } - - // check for device and output changes triggered by new phone state - newDevice = getNewDevice(mHardwareOutput, false); -#ifdef WITH_A2DP - checkOutputForAllStrategies(newDevice); - // suspend A2DP output if a SCO device is present. - if (mA2dpOutput != 0 && mScoDeviceAddress != "") { - if (oldState == AudioSystem::MODE_NORMAL) { - mpClientInterface->suspendOutput(mA2dpOutput); - } else if (state == AudioSystem::MODE_NORMAL) { - mpClientInterface->restoreOutput(mA2dpOutput); - } - } -#endif - updateDeviceForStrategy(); - - AudioOutputDescriptor *hwOutputDesc = mOutputs.valueFor(mHardwareOutput); - - // force routing command to audio hardware when ending call - // even if no device change is needed - if (oldState == AudioSystem::MODE_IN_CALL && newDevice == 0) { - newDevice = hwOutputDesc->device(); - } - - // when changing from ring tone to in call mode, mute the ringing tone - // immediately and delay the route change to avoid sending the ring tone - // tail into the earpiece or headset. - int delayMs = 0; - if (state == AudioSystem::MODE_IN_CALL && oldState == AudioSystem::MODE_RINGTONE) { - // delay the device change command by twice the output latency to have some margin - // and be sure that audio buffers not yet affected by the mute are out when - // we actually apply the route change - delayMs = hwOutputDesc->mLatency*2; - setStreamMute(AudioSystem::RING, true, mHardwareOutput); - } - - // change routing is necessary - setOutputDevice(mHardwareOutput, newDevice, force, delayMs); - - // if entering in call state, handle special case of active streams - // pertaining to sonification strategy see handleIncallSonification() - if (state == AudioSystem::MODE_IN_CALL) { - LOGV("setPhoneState() in call state management: new state is %d", state); - // unmute the ringing tone after a sufficient delay if it was muted before - // setting output device above - if (oldState == AudioSystem::MODE_RINGTONE) { - setStreamMute(AudioSystem::RING, false, mHardwareOutput, MUTE_TIME_MS); - } - for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) { - handleIncallSonification(stream, true, true); - } - } - - // Flag that ringtone volume must be limited to music volume until we exit MODE_RINGTONE - if (state == AudioSystem::MODE_RINGTONE && - (hwOutputDesc->mRefCount[AudioSystem::MUSIC] || - (systemTime() - mMusicStopTime) < seconds(SONIFICATION_HEADSET_MUSIC_DELAY))) { - mLimitRingtoneVolume = true; - } else { - mLimitRingtoneVolume = false; - } -} - -void AudioPolicyManagerBase::setRingerMode(uint32_t mode, uint32_t mask) -{ - LOGV("setRingerMode() mode %x, mask %x", mode, mask); - - mRingerMode = mode; -} - -void AudioPolicyManagerBase::setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config) -{ - LOGV("setForceUse() usage %d, config %d, mPhoneState %d", usage, config, mPhoneState); - - bool forceVolumeReeval = false; - switch(usage) { - case AudioSystem::FOR_COMMUNICATION: - if (config != AudioSystem::FORCE_SPEAKER && config != AudioSystem::FORCE_BT_SCO && - config != AudioSystem::FORCE_NONE) { - LOGW("setForceUse() invalid config %d for FOR_COMMUNICATION", config); - return; - } - mForceUse[usage] = config; - break; - case AudioSystem::FOR_MEDIA: - if (config != AudioSystem::FORCE_HEADPHONES && config != AudioSystem::FORCE_BT_A2DP && - config != AudioSystem::FORCE_WIRED_ACCESSORY && config != AudioSystem::FORCE_NONE) { - LOGW("setForceUse() invalid config %d for FOR_MEDIA", config); - return; - } - mForceUse[usage] = config; - break; - case AudioSystem::FOR_RECORD: - if (config != AudioSystem::FORCE_BT_SCO && config != AudioSystem::FORCE_WIRED_ACCESSORY && - config != AudioSystem::FORCE_NONE) { - LOGW("setForceUse() invalid config %d for FOR_RECORD", config); - return; - } - mForceUse[usage] = config; - break; - case AudioSystem::FOR_DOCK: - if (config != AudioSystem::FORCE_NONE && config != AudioSystem::FORCE_BT_CAR_DOCK && - config != AudioSystem::FORCE_BT_DESK_DOCK && config != AudioSystem::FORCE_WIRED_ACCESSORY) { - LOGW("setForceUse() invalid config %d for FOR_DOCK", config); - } - forceVolumeReeval = true; - mForceUse[usage] = config; - break; - default: - LOGW("setForceUse() invalid usage %d", usage); - break; - } - - // check for device and output changes triggered by new phone state - uint32_t newDevice = getNewDevice(mHardwareOutput, false); -#ifdef WITH_A2DP - checkOutputForAllStrategies(newDevice); -#endif - updateDeviceForStrategy(); - setOutputDevice(mHardwareOutput, newDevice); - if (forceVolumeReeval) { - applyStreamVolumes(mHardwareOutput, newDevice); - } -} - -AudioSystem::forced_config AudioPolicyManagerBase::getForceUse(AudioSystem::force_use usage) -{ - return mForceUse[usage]; -} - -void AudioPolicyManagerBase::setSystemProperty(const char* property, const char* value) -{ - LOGV("setSystemProperty() property %s, value %s", property, value); - if (strcmp(property, "ro.camera.sound.forced") == 0) { - if (atoi(value)) { - LOGV("ENFORCED_AUDIBLE cannot be muted"); - mStreams[AudioSystem::ENFORCED_AUDIBLE].mCanBeMuted = false; - } else { - LOGV("ENFORCED_AUDIBLE can be muted"); - mStreams[AudioSystem::ENFORCED_AUDIBLE].mCanBeMuted = true; - } - } -} - -audio_io_handle_t AudioPolicyManagerBase::getOutput(AudioSystem::stream_type stream, - uint32_t samplingRate, - uint32_t format, - uint32_t channels, - AudioSystem::output_flags flags) -{ - audio_io_handle_t output = 0; - uint32_t latency = 0; - routing_strategy strategy = getStrategy((AudioSystem::stream_type)stream); - uint32_t device = getDeviceForStrategy(strategy); - LOGV("getOutput() stream %d, samplingRate %d, format %d, channels %x, flags %x", stream, samplingRate, format, channels, flags); - -#ifdef AUDIO_POLICY_TEST - if (mCurOutput != 0) { - LOGV("getOutput() test output mCurOutput %d, samplingRate %d, format %d, channels %x, mDirectOutput %d", - mCurOutput, mTestSamplingRate, mTestFormat, mTestChannels, mDirectOutput); - - if (mTestOutputs[mCurOutput] == 0) { - LOGV("getOutput() opening test output"); - AudioOutputDescriptor *outputDesc = new AudioOutputDescriptor(); - outputDesc->mDevice = mTestDevice; - outputDesc->mSamplingRate = mTestSamplingRate; - outputDesc->mFormat = mTestFormat; - outputDesc->mChannels = mTestChannels; - outputDesc->mLatency = mTestLatencyMs; - outputDesc->mFlags = (AudioSystem::output_flags)(mDirectOutput ? AudioSystem::OUTPUT_FLAG_DIRECT : 0); - outputDesc->mRefCount[stream] = 0; - mTestOutputs[mCurOutput] = mpClientInterface->openOutput(&outputDesc->mDevice, - &outputDesc->mSamplingRate, - &outputDesc->mFormat, - &outputDesc->mChannels, - &outputDesc->mLatency, - outputDesc->mFlags); - if (mTestOutputs[mCurOutput]) { - AudioParameter outputCmd = AudioParameter(); - outputCmd.addInt(String8("set_id"),mCurOutput); - mpClientInterface->setParameters(mTestOutputs[mCurOutput],outputCmd.toString()); - addOutput(mTestOutputs[mCurOutput], outputDesc); - } - } - return mTestOutputs[mCurOutput]; - } -#endif //AUDIO_POLICY_TEST - - // open a direct output if required by specified parameters - if (needsDirectOuput(stream, samplingRate, format, channels, flags, device)) { - - LOGV("getOutput() opening direct output device %x", device); - AudioOutputDescriptor *outputDesc = new AudioOutputDescriptor(); - outputDesc->mDevice = device; - outputDesc->mSamplingRate = samplingRate; - outputDesc->mFormat = format; - outputDesc->mChannels = channels; - outputDesc->mLatency = 0; - outputDesc->mFlags = (AudioSystem::output_flags)(flags | AudioSystem::OUTPUT_FLAG_DIRECT); - outputDesc->mRefCount[stream] = 0; - output = mpClientInterface->openOutput(&outputDesc->mDevice, - &outputDesc->mSamplingRate, - &outputDesc->mFormat, - &outputDesc->mChannels, - &outputDesc->mLatency, - outputDesc->mFlags); - - // only accept an output with the requeted parameters - if (output == 0 || - (samplingRate != 0 && samplingRate != outputDesc->mSamplingRate) || - (format != 0 && format != outputDesc->mFormat) || - (channels != 0 && channels != outputDesc->mChannels)) { - LOGV("getOutput() failed opening direct output: samplingRate %d, format %d, channels %d", - samplingRate, format, channels); - if (output != 0) { - mpClientInterface->closeOutput(output); - } - delete outputDesc; - return 0; - } - addOutput(output, outputDesc); - return output; - } - - if (channels != 0 && channels != AudioSystem::CHANNEL_OUT_MONO && - channels != AudioSystem::CHANNEL_OUT_STEREO) { - return 0; - } - // open a non direct output - - // get which output is suitable for the specified stream. The actual routing change will happen - // when startOutput() will be called - uint32_t a2dpDevice = device & AudioSystem::DEVICE_OUT_ALL_A2DP; - if (AudioSystem::popCount((AudioSystem::audio_devices)device) == 2) { -#ifdef WITH_A2DP - if (a2dpUsedForSonification() && a2dpDevice != 0) { - // if playing on 2 devices among which one is A2DP, use duplicated output - LOGV("getOutput() using duplicated output"); - LOGW_IF((mA2dpOutput == 0), "getOutput() A2DP device in multiple %x selected but A2DP output not opened", device); - output = mDuplicatedOutput; - } else -#endif - { - // if playing on 2 devices among which none is A2DP, use hardware output - output = mHardwareOutput; - } - LOGV("getOutput() using output %d for 2 devices %x", output, device); - } else { -#ifdef WITH_A2DP - if (a2dpDevice != 0) { - // if playing on A2DP device, use a2dp output - LOGW_IF((mA2dpOutput == 0), "getOutput() A2DP device %x selected but A2DP output not opened", device); - output = mA2dpOutput; - } else -#endif - { - // if playing on not A2DP device, use hardware output - output = mHardwareOutput; - } - } - - - LOGW_IF((output ==0), "getOutput() could not find output for stream %d, samplingRate %d, format %d, channels %x, flags %x", - stream, samplingRate, format, channels, flags); - - return output; -} - -status_t AudioPolicyManagerBase::startOutput(audio_io_handle_t output, AudioSystem::stream_type stream) -{ - LOGV("startOutput() output %d, stream %d", output, stream); - ssize_t index = mOutputs.indexOfKey(output); - if (index < 0) { - LOGW("startOutput() unknow output %d", output); - return BAD_VALUE; - } - - AudioOutputDescriptor *outputDesc = mOutputs.valueAt(index); - routing_strategy strategy = getStrategy((AudioSystem::stream_type)stream); - -#ifdef WITH_A2DP - if (mA2dpOutput != 0 && !a2dpUsedForSonification() && strategy == STRATEGY_SONIFICATION) { - setStrategyMute(STRATEGY_MEDIA, true, mA2dpOutput); - } -#endif - - // incremenent usage count for this stream on the requested output: - // NOTE that the usage count is the same for duplicated output and hardware output which is - // necassary for a correct control of hardware output routing by startOutput() and stopOutput() - outputDesc->changeRefCount(stream, 1); - - setOutputDevice(output, getNewDevice(output)); - - // handle special case for sonification while in call - if (mPhoneState == AudioSystem::MODE_IN_CALL) { - handleIncallSonification(stream, true, false); - } - - // apply volume rules for current stream and device if necessary - checkAndSetVolume(stream, mStreams[stream].mIndexCur, output, outputDesc->device()); - - return NO_ERROR; -} - -status_t AudioPolicyManagerBase::stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream) -{ - LOGV("stopOutput() output %d, stream %d", output, stream); - ssize_t index = mOutputs.indexOfKey(output); - if (index < 0) { - LOGW("stopOutput() unknow output %d", output); - return BAD_VALUE; - } - - AudioOutputDescriptor *outputDesc = mOutputs.valueAt(index); - routing_strategy strategy = getStrategy((AudioSystem::stream_type)stream); - - // handle special case for sonification while in call - if (mPhoneState == AudioSystem::MODE_IN_CALL) { - handleIncallSonification(stream, false, false); - } - - if (outputDesc->mRefCount[stream] > 0) { - // decrement usage count of this stream on the output - outputDesc->changeRefCount(stream, -1); - // store time at which the last music track was stopped - see computeVolume() - if (stream == AudioSystem::MUSIC) { - mMusicStopTime = systemTime(); - } - - setOutputDevice(output, getNewDevice(output)); - -#ifdef WITH_A2DP - if (mA2dpOutput != 0 && !a2dpUsedForSonification() && strategy == STRATEGY_SONIFICATION) { - setStrategyMute(STRATEGY_MEDIA, false, mA2dpOutput, mOutputs.valueFor(mHardwareOutput)->mLatency*2); - } -#endif - if (output != mHardwareOutput) { - setOutputDevice(mHardwareOutput, getNewDevice(mHardwareOutput), true); - } - return NO_ERROR; - } else { - LOGW("stopOutput() refcount is already 0 for output %d", output); - return INVALID_OPERATION; - } -} - -void AudioPolicyManagerBase::releaseOutput(audio_io_handle_t output) -{ - LOGV("releaseOutput() %d", output); - ssize_t index = mOutputs.indexOfKey(output); - if (index < 0) { - LOGW("releaseOutput() releasing unknown output %d", output); - return; - } - -#ifdef AUDIO_POLICY_TEST - int testIndex = testOutputIndex(output); - if (testIndex != 0) { - AudioOutputDescriptor *outputDesc = mOutputs.valueAt(index); - if (outputDesc->refCount() == 0) { - mpClientInterface->closeOutput(output); - delete mOutputs.valueAt(index); - mOutputs.removeItem(output); - mTestOutputs[testIndex] = 0; - } - return; - } -#endif //AUDIO_POLICY_TEST - - if (mOutputs.valueAt(index)->mFlags & AudioSystem::OUTPUT_FLAG_DIRECT) { - mpClientInterface->closeOutput(output); - delete mOutputs.valueAt(index); - mOutputs.removeItem(output); - } -} - -audio_io_handle_t AudioPolicyManagerBase::getInput(int inputSource, - uint32_t samplingRate, - uint32_t format, - uint32_t channels, - AudioSystem::audio_in_acoustics acoustics) -{ - audio_io_handle_t input = 0; - uint32_t device = getDeviceForInputSource(inputSource); - - LOGV("getInput() inputSource %d, samplingRate %d, format %d, channels %x, acoustics %x", inputSource, samplingRate, format, channels, acoustics); - - if (device == 0) { - return 0; - } - - // adapt channel selection to input source - switch(inputSource) { - case AUDIO_SOURCE_VOICE_UPLINK: - channels = AudioSystem::CHANNEL_IN_VOICE_UPLINK; - break; - case AUDIO_SOURCE_VOICE_DOWNLINK: - channels = AudioSystem::CHANNEL_IN_VOICE_DNLINK; - break; - case AUDIO_SOURCE_VOICE_CALL: - channels = (AudioSystem::CHANNEL_IN_VOICE_UPLINK | AudioSystem::CHANNEL_IN_VOICE_DNLINK); - break; - default: - break; - } - - AudioInputDescriptor *inputDesc = new AudioInputDescriptor(); - - inputDesc->mInputSource = inputSource; - inputDesc->mDevice = device; - inputDesc->mSamplingRate = samplingRate; - inputDesc->mFormat = format; - inputDesc->mChannels = channels; - inputDesc->mAcoustics = acoustics; - inputDesc->mRefCount = 0; - input = mpClientInterface->openInput(&inputDesc->mDevice, - &inputDesc->mSamplingRate, - &inputDesc->mFormat, - &inputDesc->mChannels, - inputDesc->mAcoustics); - - // only accept input with the exact requested set of parameters - if (input == 0 || - (samplingRate != inputDesc->mSamplingRate) || - (format != inputDesc->mFormat) || - (channels != inputDesc->mChannels)) { - LOGV("getInput() failed opening input: samplingRate %d, format %d, channels %d", - samplingRate, format, channels); - if (input != 0) { - mpClientInterface->closeInput(input); - } - delete inputDesc; - return 0; - } - mInputs.add(input, inputDesc); - return input; -} - -status_t AudioPolicyManagerBase::startInput(audio_io_handle_t input) -{ - LOGV("startInput() input %d", input); - ssize_t index = mInputs.indexOfKey(input); - if (index < 0) { - LOGW("startInput() unknow input %d", input); - return BAD_VALUE; - } - AudioInputDescriptor *inputDesc = mInputs.valueAt(index); - -#ifdef AUDIO_POLICY_TEST - if (mTestInput == 0) -#endif //AUDIO_POLICY_TEST - { - // refuse 2 active AudioRecord clients at the same time - if (getActiveInput() != 0) { - LOGW("startInput() input %d failed: other input already started", input); - return INVALID_OPERATION; - } - } - - AudioParameter param = AudioParameter(); - param.addInt(String8(AudioParameter::keyRouting), (int)inputDesc->mDevice); - - // use Voice Recognition mode or not for this input based on input source - int vr_enabled = inputDesc->mInputSource == AUDIO_SOURCE_VOICE_RECOGNITION ? 1 : 0; - param.addInt(String8("vr_mode"), vr_enabled); - LOGV("AudioPolicyManager::startInput(%d), setting vr_mode to %d", inputDesc->mInputSource, vr_enabled); - - mpClientInterface->setParameters(input, param.toString()); - - inputDesc->mRefCount = 1; - return NO_ERROR; -} - -status_t AudioPolicyManagerBase::stopInput(audio_io_handle_t input) -{ - LOGV("stopInput() input %d", input); - ssize_t index = mInputs.indexOfKey(input); - if (index < 0) { - LOGW("stopInput() unknow input %d", input); - return BAD_VALUE; - } - AudioInputDescriptor *inputDesc = mInputs.valueAt(index); - - if (inputDesc->mRefCount == 0) { - LOGW("stopInput() input %d already stopped", input); - return INVALID_OPERATION; - } else { - AudioParameter param = AudioParameter(); - param.addInt(String8(AudioParameter::keyRouting), 0); - mpClientInterface->setParameters(input, param.toString()); - inputDesc->mRefCount = 0; - return NO_ERROR; - } -} - -void AudioPolicyManagerBase::releaseInput(audio_io_handle_t input) -{ - LOGV("releaseInput() %d", input); - ssize_t index = mInputs.indexOfKey(input); - if (index < 0) { - LOGW("releaseInput() releasing unknown input %d", input); - return; - } - mpClientInterface->closeInput(input); - delete mInputs.valueAt(index); - mInputs.removeItem(input); - LOGV("releaseInput() exit"); -} - -void AudioPolicyManagerBase::initStreamVolume(AudioSystem::stream_type stream, - int indexMin, - int indexMax) -{ - LOGV("initStreamVolume() stream %d, min %d, max %d", stream , indexMin, indexMax); - if (indexMin < 0 || indexMin >= indexMax) { - LOGW("initStreamVolume() invalid index limits for stream %d, min %d, max %d", stream , indexMin, indexMax); - return; - } - mStreams[stream].mIndexMin = indexMin; - mStreams[stream].mIndexMax = indexMax; -} - -status_t AudioPolicyManagerBase::setStreamVolumeIndex(AudioSystem::stream_type stream, int index) -{ - - if ((index < mStreams[stream].mIndexMin) || (index > mStreams[stream].mIndexMax)) { - return BAD_VALUE; - } - - // Force max volume if stream cannot be muted - if (!mStreams[stream].mCanBeMuted) index = mStreams[stream].mIndexMax; - - LOGV("setStreamVolumeIndex() stream %d, index %d", stream, index); - mStreams[stream].mIndexCur = index; - - // compute and apply stream volume on all outputs according to connected device - status_t status = NO_ERROR; - for (size_t i = 0; i < mOutputs.size(); i++) { - status_t volStatus = checkAndSetVolume(stream, index, mOutputs.keyAt(i), mOutputs.valueAt(i)->device()); - if (volStatus != NO_ERROR) { - status = volStatus; - } - } - return status; -} - -status_t AudioPolicyManagerBase::getStreamVolumeIndex(AudioSystem::stream_type stream, int *index) -{ - if (index == 0) { - return BAD_VALUE; - } - LOGV("getStreamVolumeIndex() stream %d", stream); - *index = mStreams[stream].mIndexCur; - return NO_ERROR; -} - -status_t AudioPolicyManagerBase::dump(int fd) -{ - const size_t SIZE = 256; - char buffer[SIZE]; - String8 result; - - snprintf(buffer, SIZE, "\nAudioPolicyManager Dump: %p\n", this); - result.append(buffer); - snprintf(buffer, SIZE, " Hardware Output: %d\n", mHardwareOutput); - result.append(buffer); -#ifdef WITH_A2DP - snprintf(buffer, SIZE, " A2DP Output: %d\n", mA2dpOutput); - result.append(buffer); - snprintf(buffer, SIZE, " Duplicated Output: %d\n", mDuplicatedOutput); - result.append(buffer); - snprintf(buffer, SIZE, " A2DP device address: %s\n", mA2dpDeviceAddress.string()); - result.append(buffer); -#endif - snprintf(buffer, SIZE, " SCO device address: %s\n", mScoDeviceAddress.string()); - result.append(buffer); - snprintf(buffer, SIZE, " Output devices: %08x\n", mAvailableOutputDevices); - result.append(buffer); - snprintf(buffer, SIZE, " Input devices: %08x\n", mAvailableInputDevices); - result.append(buffer); - snprintf(buffer, SIZE, " Phone state: %d\n", mPhoneState); - result.append(buffer); - snprintf(buffer, SIZE, " Ringer mode: %d\n", mRingerMode); - result.append(buffer); - snprintf(buffer, SIZE, " Force use for communications %d\n", mForceUse[AudioSystem::FOR_COMMUNICATION]); - result.append(buffer); - snprintf(buffer, SIZE, " Force use for media %d\n", mForceUse[AudioSystem::FOR_MEDIA]); - result.append(buffer); - snprintf(buffer, SIZE, " Force use for record %d\n", mForceUse[AudioSystem::FOR_RECORD]); - result.append(buffer); - snprintf(buffer, SIZE, " Force use for dock %d\n", mForceUse[AudioSystem::FOR_DOCK]); - result.append(buffer); - write(fd, result.string(), result.size()); - - snprintf(buffer, SIZE, "\nOutputs dump:\n"); - write(fd, buffer, strlen(buffer)); - for (size_t i = 0; i < mOutputs.size(); i++) { - snprintf(buffer, SIZE, "- Output %d dump:\n", mOutputs.keyAt(i)); - write(fd, buffer, strlen(buffer)); - mOutputs.valueAt(i)->dump(fd); - } - - snprintf(buffer, SIZE, "\nInputs dump:\n"); - write(fd, buffer, strlen(buffer)); - for (size_t i = 0; i < mInputs.size(); i++) { - snprintf(buffer, SIZE, "- Input %d dump:\n", mInputs.keyAt(i)); - write(fd, buffer, strlen(buffer)); - mInputs.valueAt(i)->dump(fd); - } - - snprintf(buffer, SIZE, "\nStreams dump:\n"); - write(fd, buffer, strlen(buffer)); - snprintf(buffer, SIZE, " Stream Index Min Index Max Index Cur Can be muted\n"); - write(fd, buffer, strlen(buffer)); - for (size_t i = 0; i < AudioSystem::NUM_STREAM_TYPES; i++) { - snprintf(buffer, SIZE, " %02d", i); - mStreams[i].dump(buffer + 3, SIZE); - write(fd, buffer, strlen(buffer)); - } - - return NO_ERROR; -} - -// ---------------------------------------------------------------------------- -// AudioPolicyManagerBase -// ---------------------------------------------------------------------------- - -AudioPolicyManagerBase::AudioPolicyManagerBase(AudioPolicyClientInterface *clientInterface) - : -#ifdef AUDIO_POLICY_TEST - Thread(false), -#endif //AUDIO_POLICY_TEST - mPhoneState(AudioSystem::MODE_NORMAL), mRingerMode(0), mMusicStopTime(0), mLimitRingtoneVolume(false) -{ - mpClientInterface = clientInterface; - - for (int i = 0; i < AudioSystem::NUM_FORCE_USE; i++) { - mForceUse[i] = AudioSystem::FORCE_NONE; - } - - // devices available by default are speaker, ear piece and microphone - mAvailableOutputDevices = AudioSystem::DEVICE_OUT_EARPIECE | - AudioSystem::DEVICE_OUT_SPEAKER; - mAvailableInputDevices = AudioSystem::DEVICE_IN_BUILTIN_MIC; - -#ifdef WITH_A2DP - mA2dpOutput = 0; - mDuplicatedOutput = 0; - mA2dpDeviceAddress = String8(""); -#endif - mScoDeviceAddress = String8(""); - - // open hardware output - AudioOutputDescriptor *outputDesc = new AudioOutputDescriptor(); - outputDesc->mDevice = (uint32_t)AudioSystem::DEVICE_OUT_SPEAKER; - mHardwareOutput = mpClientInterface->openOutput(&outputDesc->mDevice, - &outputDesc->mSamplingRate, - &outputDesc->mFormat, - &outputDesc->mChannels, - &outputDesc->mLatency, - outputDesc->mFlags); - - if (mHardwareOutput == 0) { - LOGE("Failed to initialize hardware output stream, samplingRate: %d, format %d, channels %d", - outputDesc->mSamplingRate, outputDesc->mFormat, outputDesc->mChannels); - } else { - addOutput(mHardwareOutput, outputDesc); - setOutputDevice(mHardwareOutput, (uint32_t)AudioSystem::DEVICE_OUT_SPEAKER, true); - } - - updateDeviceForStrategy(); -#ifdef AUDIO_POLICY_TEST - AudioParameter outputCmd = AudioParameter(); - outputCmd.addInt(String8("set_id"), 0); - mpClientInterface->setParameters(mHardwareOutput, outputCmd.toString()); - - mTestDevice = AudioSystem::DEVICE_OUT_SPEAKER; - mTestSamplingRate = 44100; - mTestFormat = AudioSystem::PCM_16_BIT; - mTestChannels = AudioSystem::CHANNEL_OUT_STEREO; - mTestLatencyMs = 0; - mCurOutput = 0; - mDirectOutput = false; - for (int i = 0; i < NUM_TEST_OUTPUTS; i++) { - mTestOutputs[i] = 0; - } - - const size_t SIZE = 256; - char buffer[SIZE]; - snprintf(buffer, SIZE, "AudioPolicyManagerTest"); - run(buffer, ANDROID_PRIORITY_AUDIO); -#endif //AUDIO_POLICY_TEST -} - -AudioPolicyManagerBase::~AudioPolicyManagerBase() -{ -#ifdef AUDIO_POLICY_TEST - exit(); -#endif //AUDIO_POLICY_TEST - for (size_t i = 0; i < mOutputs.size(); i++) { - mpClientInterface->closeOutput(mOutputs.keyAt(i)); - delete mOutputs.valueAt(i); - } - mOutputs.clear(); - for (size_t i = 0; i < mInputs.size(); i++) { - mpClientInterface->closeInput(mInputs.keyAt(i)); - delete mInputs.valueAt(i); - } - mInputs.clear(); -} - -#ifdef AUDIO_POLICY_TEST -bool AudioPolicyManagerBase::threadLoop() -{ - LOGV("entering threadLoop()"); - while (!exitPending()) - { - String8 command; - int valueInt; - String8 value; - - Mutex::Autolock _l(mLock); - mWaitWorkCV.waitRelative(mLock, milliseconds(50)); - - command = mpClientInterface->getParameters(0, String8("test_cmd_policy")); - AudioParameter param = AudioParameter(command); - - if (param.getInt(String8("test_cmd_policy"), valueInt) == NO_ERROR && - valueInt != 0) { - LOGV("Test command %s received", command.string()); - String8 target; - if (param.get(String8("target"), target) != NO_ERROR) { - target = "Manager"; - } - if (param.getInt(String8("test_cmd_policy_output"), valueInt) == NO_ERROR) { - param.remove(String8("test_cmd_policy_output")); - mCurOutput = valueInt; - } - if (param.get(String8("test_cmd_policy_direct"), value) == NO_ERROR) { - param.remove(String8("test_cmd_policy_direct")); - if (value == "false") { - mDirectOutput = false; - } else if (value == "true") { - mDirectOutput = true; - } - } - if (param.getInt(String8("test_cmd_policy_input"), valueInt) == NO_ERROR) { - param.remove(String8("test_cmd_policy_input")); - mTestInput = valueInt; - } - - if (param.get(String8("test_cmd_policy_format"), value) == NO_ERROR) { - param.remove(String8("test_cmd_policy_format")); - int format = AudioSystem::INVALID_FORMAT; - if (value == "PCM 16 bits") { - format = AudioSystem::PCM_16_BIT; - } else if (value == "PCM 8 bits") { - format = AudioSystem::PCM_8_BIT; - } else if (value == "Compressed MP3") { - format = AudioSystem::MP3; - } - if (format != AudioSystem::INVALID_FORMAT) { - if (target == "Manager") { - mTestFormat = format; - } else if (mTestOutputs[mCurOutput] != 0) { - AudioParameter outputParam = AudioParameter(); - outputParam.addInt(String8("format"), format); - mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString()); - } - } - } - if (param.get(String8("test_cmd_policy_channels"), value) == NO_ERROR) { - param.remove(String8("test_cmd_policy_channels")); - int channels = 0; - - if (value == "Channels Stereo") { - channels = AudioSystem::CHANNEL_OUT_STEREO; - } else if (value == "Channels Mono") { - channels = AudioSystem::CHANNEL_OUT_MONO; - } - if (channels != 0) { - if (target == "Manager") { - mTestChannels = channels; - } else if (mTestOutputs[mCurOutput] != 0) { - AudioParameter outputParam = AudioParameter(); - outputParam.addInt(String8("channels"), channels); - mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString()); - } - } - } - if (param.getInt(String8("test_cmd_policy_sampleRate"), valueInt) == NO_ERROR) { - param.remove(String8("test_cmd_policy_sampleRate")); - if (valueInt >= 0 && valueInt <= 96000) { - int samplingRate = valueInt; - if (target == "Manager") { - mTestSamplingRate = samplingRate; - } else if (mTestOutputs[mCurOutput] != 0) { - AudioParameter outputParam = AudioParameter(); - outputParam.addInt(String8("sampling_rate"), samplingRate); - mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString()); - } - } - } - - if (param.get(String8("test_cmd_policy_reopen"), value) == NO_ERROR) { - param.remove(String8("test_cmd_policy_reopen")); - - mpClientInterface->closeOutput(mHardwareOutput); - delete mOutputs.valueFor(mHardwareOutput); - mOutputs.removeItem(mHardwareOutput); - - AudioOutputDescriptor *outputDesc = new AudioOutputDescriptor(); - outputDesc->mDevice = (uint32_t)AudioSystem::DEVICE_OUT_SPEAKER; - mHardwareOutput = mpClientInterface->openOutput(&outputDesc->mDevice, - &outputDesc->mSamplingRate, - &outputDesc->mFormat, - &outputDesc->mChannels, - &outputDesc->mLatency, - outputDesc->mFlags); - if (mHardwareOutput == 0) { - LOGE("Failed to reopen hardware output stream, samplingRate: %d, format %d, channels %d", - outputDesc->mSamplingRate, outputDesc->mFormat, outputDesc->mChannels); - } else { - AudioParameter outputCmd = AudioParameter(); - outputCmd.addInt(String8("set_id"), 0); - mpClientInterface->setParameters(mHardwareOutput, outputCmd.toString()); - addOutput(mHardwareOutput, outputDesc); - } - } - - - mpClientInterface->setParameters(0, String8("test_cmd_policy=")); - } - } - return false; -} - -void AudioPolicyManagerBase::exit() -{ - { - AutoMutex _l(mLock); - requestExit(); - mWaitWorkCV.signal(); - } - requestExitAndWait(); -} - -int AudioPolicyManagerBase::testOutputIndex(audio_io_handle_t output) -{ - for (int i = 0; i < NUM_TEST_OUTPUTS; i++) { - if (output == mTestOutputs[i]) return i; - } - return 0; -} -#endif //AUDIO_POLICY_TEST - -// --- - -void AudioPolicyManagerBase::addOutput(audio_io_handle_t id, AudioOutputDescriptor *outputDesc) -{ - outputDesc->mId = id; - mOutputs.add(id, outputDesc); -} - - -#ifdef WITH_A2DP -status_t AudioPolicyManagerBase::handleA2dpConnection(AudioSystem::audio_devices device, - const char *device_address) -{ - // when an A2DP device is connected, open an A2DP and a duplicated output - LOGV("opening A2DP output for device %s", device_address); - AudioOutputDescriptor *outputDesc = new AudioOutputDescriptor(); - outputDesc->mDevice = device; - mA2dpOutput = mpClientInterface->openOutput(&outputDesc->mDevice, - &outputDesc->mSamplingRate, - &outputDesc->mFormat, - &outputDesc->mChannels, - &outputDesc->mLatency, - outputDesc->mFlags); - if (mA2dpOutput) { - // add A2DP output descriptor - addOutput(mA2dpOutput, outputDesc); - // set initial stream volume for A2DP device - applyStreamVolumes(mA2dpOutput, device); - if (a2dpUsedForSonification()) { - mDuplicatedOutput = mpClientInterface->openDuplicateOutput(mA2dpOutput, mHardwareOutput); - } - if (mDuplicatedOutput != 0 || - !a2dpUsedForSonification()) { - // If both A2DP and duplicated outputs are open, send device address to A2DP hardware - // interface - AudioParameter param; - param.add(String8("a2dp_sink_address"), String8(device_address)); - mpClientInterface->setParameters(mA2dpOutput, param.toString()); - mA2dpDeviceAddress = String8(device_address, MAX_DEVICE_ADDRESS_LEN); - - if (a2dpUsedForSonification()) { - // add duplicated output descriptor - AudioOutputDescriptor *dupOutputDesc = new AudioOutputDescriptor(); - dupOutputDesc->mOutput1 = mOutputs.valueFor(mHardwareOutput); - dupOutputDesc->mOutput2 = mOutputs.valueFor(mA2dpOutput); - dupOutputDesc->mSamplingRate = outputDesc->mSamplingRate; - dupOutputDesc->mFormat = outputDesc->mFormat; - dupOutputDesc->mChannels = outputDesc->mChannels; - dupOutputDesc->mLatency = outputDesc->mLatency; - addOutput(mDuplicatedOutput, dupOutputDesc); - applyStreamVolumes(mDuplicatedOutput, device); - } - } else { - LOGW("getOutput() could not open duplicated output for %d and %d", - mHardwareOutput, mA2dpOutput); - mpClientInterface->closeOutput(mA2dpOutput); - mOutputs.removeItem(mA2dpOutput); - mA2dpOutput = 0; - delete outputDesc; - return NO_INIT; - } - } else { - LOGW("setDeviceConnectionState() could not open A2DP output for device %x", device); - delete outputDesc; - return NO_INIT; - } - AudioOutputDescriptor *hwOutputDesc = mOutputs.valueFor(mHardwareOutput); - - if (mScoDeviceAddress != "") { - // It is normal to suspend twice if we are both in call, - // and have the hardware audio output routed to BT SCO - if (mPhoneState != AudioSystem::MODE_NORMAL) { - mpClientInterface->suspendOutput(mA2dpOutput); - } - if (AudioSystem::isBluetoothScoDevice((AudioSystem::audio_devices)hwOutputDesc->device())) { - mpClientInterface->suspendOutput(mA2dpOutput); - } - } - - if (!a2dpUsedForSonification()) { - // mute music on A2DP output if a notification or ringtone is playing - uint32_t refCount = hwOutputDesc->strategyRefCount(STRATEGY_SONIFICATION); - for (uint32_t i = 0; i < refCount; i++) { - setStrategyMute(STRATEGY_MEDIA, true, mA2dpOutput); - } - } - return NO_ERROR; -} - -status_t AudioPolicyManagerBase::handleA2dpDisconnection(AudioSystem::audio_devices device, - const char *device_address) -{ - if (mA2dpOutput == 0) { - LOGW("setDeviceConnectionState() disconnecting A2DP and no A2DP output!"); - return INVALID_OPERATION; - } - - if (mA2dpDeviceAddress != device_address) { - LOGW("setDeviceConnectionState() disconnecting unknow A2DP sink address %s", device_address); - return INVALID_OPERATION; - } - - // mute media strategy to avoid outputting sound on hardware output while music stream - // is switched from A2DP output and before music is paused by music application - setStrategyMute(STRATEGY_MEDIA, true, mHardwareOutput); - setStrategyMute(STRATEGY_MEDIA, false, mHardwareOutput, MUTE_TIME_MS); - - if (!a2dpUsedForSonification()) { - // unmute music on A2DP output if a notification or ringtone is playing - uint32_t refCount = mOutputs.valueFor(mHardwareOutput)->strategyRefCount(STRATEGY_SONIFICATION); - for (uint32_t i = 0; i < refCount; i++) { - setStrategyMute(STRATEGY_MEDIA, false, mA2dpOutput); - } - } - mA2dpDeviceAddress = ""; - return NO_ERROR; -} - -void AudioPolicyManagerBase::closeA2dpOutputs() -{ - LOGV("setDeviceConnectionState() closing A2DP and duplicated output!"); - - if (mDuplicatedOutput != 0) { - mpClientInterface->closeOutput(mDuplicatedOutput); - delete mOutputs.valueFor(mDuplicatedOutput); - mOutputs.removeItem(mDuplicatedOutput); - mDuplicatedOutput = 0; - } - if (mA2dpOutput != 0) { - AudioParameter param; - param.add(String8("closing"), String8("true")); - mpClientInterface->setParameters(mA2dpOutput, param.toString()); - mpClientInterface->closeOutput(mA2dpOutput); - delete mOutputs.valueFor(mA2dpOutput); - mOutputs.removeItem(mA2dpOutput); - mA2dpOutput = 0; - } -} - -void AudioPolicyManagerBase::checkOutputForStrategy(routing_strategy strategy, uint32_t &newDevice) -{ - uint32_t prevDevice = getDeviceForStrategy(strategy); - uint32_t curDevice = getDeviceForStrategy(strategy, false); - bool a2dpWasUsed = AudioSystem::isA2dpDevice((AudioSystem::audio_devices)(prevDevice & ~AudioSystem::DEVICE_OUT_SPEAKER)); - bool a2dpIsUsed = AudioSystem::isA2dpDevice((AudioSystem::audio_devices)(curDevice & ~AudioSystem::DEVICE_OUT_SPEAKER)); - AudioOutputDescriptor *hwOutputDesc = mOutputs.valueFor(mHardwareOutput); - AudioOutputDescriptor *a2dpOutputDesc; - - if (a2dpWasUsed && !a2dpIsUsed) { - bool dupUsed = a2dpUsedForSonification() && a2dpWasUsed && (AudioSystem::popCount(prevDevice) == 2); - - if (dupUsed) { - LOGV("checkOutputForStrategy() moving strategy %d to duplicated", strategy); - a2dpOutputDesc = mOutputs.valueFor(mDuplicatedOutput); - } else { - LOGV("checkOutputForStrategy() moving strategy %d to a2dp", strategy); - a2dpOutputDesc = mOutputs.valueFor(mA2dpOutput); - } - - for (int i = 0; i < (int)AudioSystem::NUM_STREAM_TYPES; i++) { - if (getStrategy((AudioSystem::stream_type)i) == strategy) { - mpClientInterface->setStreamOutput((AudioSystem::stream_type)i, mHardwareOutput); - int refCount = a2dpOutputDesc->mRefCount[i]; - // in the case of duplicated output, the ref count is first incremented - // and then decremented on hardware output tus keeping its value - hwOutputDesc->changeRefCount((AudioSystem::stream_type)i, refCount); - a2dpOutputDesc->changeRefCount((AudioSystem::stream_type)i,-refCount); - } - } - // do not change newDevice if it was already set before this call by a previous call to - // getNewDevice() or checkOutputForStrategy() for a strategy with higher priority - if (newDevice == 0 && hwOutputDesc->isUsedByStrategy(strategy)) { - newDevice = getDeviceForStrategy(strategy, false); - } - } - if (a2dpIsUsed && !a2dpWasUsed) { - bool dupUsed = a2dpUsedForSonification() && a2dpIsUsed && (AudioSystem::popCount(curDevice) == 2); - audio_io_handle_t a2dpOutput; - - if (dupUsed) { - LOGV("checkOutputForStrategy() moving strategy %d from duplicated", strategy); - a2dpOutputDesc = mOutputs.valueFor(mDuplicatedOutput); - a2dpOutput = mDuplicatedOutput; - } else { - LOGV("checkOutputForStrategy() moving strategy %d from a2dp", strategy); - a2dpOutputDesc = mOutputs.valueFor(mA2dpOutput); - a2dpOutput = mA2dpOutput; - } - - for (int i = 0; i < (int)AudioSystem::NUM_STREAM_TYPES; i++) { - if (getStrategy((AudioSystem::stream_type)i) == strategy) { - mpClientInterface->setStreamOutput((AudioSystem::stream_type)i, a2dpOutput); - int refCount = hwOutputDesc->mRefCount[i]; - // in the case of duplicated output, the ref count is first incremented - // and then decremented on hardware output tus keeping its value - a2dpOutputDesc->changeRefCount((AudioSystem::stream_type)i, refCount); - hwOutputDesc->changeRefCount((AudioSystem::stream_type)i,-refCount); - } - } - } -} - -void AudioPolicyManagerBase::checkOutputForAllStrategies(uint32_t &newDevice) -{ - // Check strategies in order of priority so that once newDevice is set - // for a given strategy it is not modified by subsequent calls to - // checkOutputForStrategy() - checkOutputForStrategy(STRATEGY_PHONE, newDevice); - checkOutputForStrategy(STRATEGY_SONIFICATION, newDevice); - checkOutputForStrategy(STRATEGY_MEDIA, newDevice); - checkOutputForStrategy(STRATEGY_DTMF, newDevice); -} - -#endif - -uint32_t AudioPolicyManagerBase::getNewDevice(audio_io_handle_t output, bool fromCache) -{ - uint32_t device = 0; - - AudioOutputDescriptor *outputDesc = mOutputs.valueFor(output); - // check the following by order of priority to request a routing change if necessary: - // 1: we are in call or the strategy phone is active on the hardware output: - // use device for strategy phone - // 2: the strategy sonification is active on the hardware output: - // use device for strategy sonification - // 3: the strategy media is active on the hardware output: - // use device for strategy media - // 4: the strategy DTMF is active on the hardware output: - // use device for strategy DTMF - if (mPhoneState == AudioSystem::MODE_IN_CALL || - outputDesc->isUsedByStrategy(STRATEGY_PHONE)) { - device = getDeviceForStrategy(STRATEGY_PHONE, fromCache); - } else if (outputDesc->isUsedByStrategy(STRATEGY_SONIFICATION)) { - device = getDeviceForStrategy(STRATEGY_SONIFICATION, fromCache); - } else if (outputDesc->isUsedByStrategy(STRATEGY_MEDIA)) { - device = getDeviceForStrategy(STRATEGY_MEDIA, fromCache); - } else if (outputDesc->isUsedByStrategy(STRATEGY_DTMF)) { - device = getDeviceForStrategy(STRATEGY_DTMF, fromCache); - } - - LOGV("getNewDevice() selected device %x", device); - return device; -} - -AudioPolicyManagerBase::routing_strategy AudioPolicyManagerBase::getStrategy(AudioSystem::stream_type stream) -{ - // stream to strategy mapping - switch (stream) { - case AudioSystem::VOICE_CALL: - case AudioSystem::BLUETOOTH_SCO: - return STRATEGY_PHONE; - case AudioSystem::RING: - case AudioSystem::NOTIFICATION: - case AudioSystem::ALARM: - case AudioSystem::ENFORCED_AUDIBLE: - return STRATEGY_SONIFICATION; - case AudioSystem::DTMF: - return STRATEGY_DTMF; - default: - LOGE("unknown stream type"); - case AudioSystem::SYSTEM: - // NOTE: SYSTEM stream uses MEDIA strategy because muting music and switching outputs - // while key clicks are played produces a poor result - case AudioSystem::TTS: - case AudioSystem::MUSIC: - return STRATEGY_MEDIA; - } -} - -uint32_t AudioPolicyManagerBase::getDeviceForStrategy(routing_strategy strategy, bool fromCache) -{ - uint32_t device = 0; - - if (fromCache) { - LOGV("getDeviceForStrategy() from cache strategy %d, device %x", strategy, mDeviceForStrategy[strategy]); - return mDeviceForStrategy[strategy]; - } - - switch (strategy) { - case STRATEGY_DTMF: - if (mPhoneState != AudioSystem::MODE_IN_CALL) { - // when off call, DTMF strategy follows the same rules as MEDIA strategy - device = getDeviceForStrategy(STRATEGY_MEDIA, false); - break; - } - // when in call, DTMF and PHONE strategies follow the same rules - // FALL THROUGH - - case STRATEGY_PHONE: - // for phone strategy, we first consider the forced use and then the available devices by order - // of priority - switch (mForceUse[AudioSystem::FOR_COMMUNICATION]) { - case AudioSystem::FORCE_BT_SCO: - if (mPhoneState != AudioSystem::MODE_IN_CALL || strategy != STRATEGY_DTMF) { - device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT; - if (device) break; - } - device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_HEADSET; - if (device) break; - device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO; - if (device) break; - // if SCO device is requested but no SCO device is available, fall back to default case - // FALL THROUGH - - default: // FORCE_NONE - device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADPHONE; - if (device) break; - device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET; - if (device) break; -#ifdef WITH_A2DP - // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to A2DP - if (mPhoneState != AudioSystem::MODE_IN_CALL) { - device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP; - if (device) break; - device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES; - if (device) break; - } -#endif - device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_EARPIECE; - if (device == 0) { - LOGE("getDeviceForStrategy() earpiece device not found"); - } - break; - - case AudioSystem::FORCE_SPEAKER: - if (mPhoneState != AudioSystem::MODE_IN_CALL || strategy != STRATEGY_DTMF) { - device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT; - if (device) break; - } -#ifdef WITH_A2DP - // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to - // A2DP speaker when forcing to speaker output - if (mPhoneState != AudioSystem::MODE_IN_CALL) { - device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER; - if (device) break; - } -#endif - device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER; - if (device == 0) { - LOGE("getDeviceForStrategy() speaker device not found"); - } - break; - } - break; - - case STRATEGY_SONIFICATION: - - // If incall, just select the STRATEGY_PHONE device: The rest of the behavior is handled by - // handleIncallSonification(). - if (mPhoneState == AudioSystem::MODE_IN_CALL) { - device = getDeviceForStrategy(STRATEGY_PHONE, false); - break; - } - device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER; - if (device == 0) { - LOGE("getDeviceForStrategy() speaker device not found"); - } - // The second device used for sonification is the same as the device used by media strategy - // FALL THROUGH - - case STRATEGY_MEDIA: { - uint32_t device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_AUX_DIGITAL; - if (device2 == 0) { - device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADPHONE; - } - if (device2 == 0) { - device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET; - } -#ifdef WITH_A2DP - if (mA2dpOutput != 0) { - if (strategy == STRATEGY_SONIFICATION && !a2dpUsedForSonification()) { - break; - } - if (device2 == 0) { - device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP; - } - if (device2 == 0) { - device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES; - } - if (device2 == 0) { - device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER; - } - } -#endif - if (device2 == 0) { - device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER; - } - - // device is DEVICE_OUT_SPEAKER if we come from case STRATEGY_SONIFICATION, 0 otherwise - device |= device2; - if (device == 0) { - LOGE("getDeviceForStrategy() speaker device not found"); - } - } break; - - default: - LOGW("getDeviceForStrategy() unknown strategy: %d", strategy); - break; - } - - LOGV("getDeviceForStrategy() strategy %d, device %x", strategy, device); - return device; -} - -void AudioPolicyManagerBase::updateDeviceForStrategy() -{ - for (int i = 0; i < NUM_STRATEGIES; i++) { - mDeviceForStrategy[i] = getDeviceForStrategy((routing_strategy)i, false); - } -} - -void AudioPolicyManagerBase::setOutputDevice(audio_io_handle_t output, uint32_t device, bool force, int delayMs) -{ - LOGV("setOutputDevice() output %d device %x delayMs %d", output, device, delayMs); - AudioOutputDescriptor *outputDesc = mOutputs.valueFor(output); - - - if (outputDesc->isDuplicated()) { - setOutputDevice(outputDesc->mOutput1->mId, device, force, delayMs); - setOutputDevice(outputDesc->mOutput2->mId, device, force, delayMs); - return; - } -#ifdef WITH_A2DP - // filter devices according to output selected - if (output == mA2dpOutput) { - device &= AudioSystem::DEVICE_OUT_ALL_A2DP; - } else { - device &= ~AudioSystem::DEVICE_OUT_ALL_A2DP; - } -#endif - - uint32_t prevDevice = (uint32_t)outputDesc->device(); - // Do not change the routing if: - // - the requestede device is 0 - // - the requested device is the same as current device and force is not specified. - // Doing this check here allows the caller to call setOutputDevice() without conditions - if ((device == 0 || device == prevDevice) && !force) { - LOGV("setOutputDevice() setting same device %x or null device for output %d", device, output); - return; - } - - outputDesc->mDevice = device; - // mute media streams if both speaker and headset are selected - if (output == mHardwareOutput && AudioSystem::popCount(device) == 2) { - setStrategyMute(STRATEGY_MEDIA, true, output); - // wait for the PCM output buffers to empty before proceeding with the rest of the command - usleep(outputDesc->mLatency*2*1000); - } -#ifdef WITH_A2DP - // suspend A2DP output if SCO device is selected - if (AudioSystem::isBluetoothScoDevice((AudioSystem::audio_devices)device)) { - if (mA2dpOutput != 0) { - mpClientInterface->suspendOutput(mA2dpOutput); - } - } -#endif - // do the routing - AudioParameter param = AudioParameter(); - param.addInt(String8(AudioParameter::keyRouting), (int)device); - mpClientInterface->setParameters(mHardwareOutput, param.toString(), delayMs); - // update stream volumes according to new device - applyStreamVolumes(output, device, delayMs); - -#ifdef WITH_A2DP - // if disconnecting SCO device, restore A2DP output - if (AudioSystem::isBluetoothScoDevice((AudioSystem::audio_devices)prevDevice)) { - if (mA2dpOutput != 0) { - LOGV("restore A2DP output"); - mpClientInterface->restoreOutput(mA2dpOutput); - } - } -#endif - // if changing from a combined headset + speaker route, unmute media streams - if (output == mHardwareOutput && AudioSystem::popCount(prevDevice) == 2) { - setStrategyMute(STRATEGY_MEDIA, false, output, delayMs); - } -} - -uint32_t AudioPolicyManagerBase::getDeviceForInputSource(int inputSource) -{ - uint32_t device; - - switch(inputSource) { - case AUDIO_SOURCE_DEFAULT: - case AUDIO_SOURCE_MIC: - case AUDIO_SOURCE_VOICE_RECOGNITION: - if (mForceUse[AudioSystem::FOR_RECORD] == AudioSystem::FORCE_BT_SCO && - mAvailableInputDevices & AudioSystem::DEVICE_IN_BLUETOOTH_SCO_HEADSET) { - device = AudioSystem::DEVICE_IN_BLUETOOTH_SCO_HEADSET; - } else if (mAvailableInputDevices & AudioSystem::DEVICE_IN_WIRED_HEADSET) { - device = AudioSystem::DEVICE_IN_WIRED_HEADSET; - } else { - device = AudioSystem::DEVICE_IN_BUILTIN_MIC; - } - break; - case AUDIO_SOURCE_CAMCORDER: - if (hasBackMicrophone()) { - device = AudioSystem::DEVICE_IN_BACK_MIC; - } else { - device = AudioSystem::DEVICE_IN_BUILTIN_MIC; - } - break; - case AUDIO_SOURCE_VOICE_UPLINK: - case AUDIO_SOURCE_VOICE_DOWNLINK: - case AUDIO_SOURCE_VOICE_CALL: - device = AudioSystem::DEVICE_IN_VOICE_CALL; - break; - default: - LOGW("getInput() invalid input source %d", inputSource); - device = 0; - break; - } - LOGV("getDeviceForInputSource()input source %d, device %08x", inputSource, device); - return device; -} - -audio_io_handle_t AudioPolicyManagerBase::getActiveInput() -{ - for (size_t i = 0; i < mInputs.size(); i++) { - if (mInputs.valueAt(i)->mRefCount > 0) { - return mInputs.keyAt(i); - } - } - return 0; -} - -float AudioPolicyManagerBase::computeVolume(int stream, int index, audio_io_handle_t output, uint32_t device) -{ - float volume = 1.0; - AudioOutputDescriptor *outputDesc = mOutputs.valueFor(output); - StreamDescriptor &streamDesc = mStreams[stream]; - - if (device == 0) { - device = outputDesc->device(); - } - - int volInt = (100 * (index - streamDesc.mIndexMin)) / (streamDesc.mIndexMax - streamDesc.mIndexMin); - volume = AudioSystem::linearToLog(volInt); - - // if a headset is connected, apply the following rules to ring tones and notifications - // to avoid sound level bursts in user's ears: - // - always attenuate ring tones and notifications volume by 6dB - // - if music is playing, always limit the volume to current music volume, - // with a minimum threshold at -36dB so that notification is always perceived. - if ((device & - (AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP | - AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | - AudioSystem::DEVICE_OUT_WIRED_HEADSET | - AudioSystem::DEVICE_OUT_WIRED_HEADPHONE)) && - (getStrategy((AudioSystem::stream_type)stream) == STRATEGY_SONIFICATION) && - streamDesc.mCanBeMuted) { - volume *= SONIFICATION_HEADSET_VOLUME_FACTOR; - // when the phone is ringing we must consider that music could have been paused just before - // by the music application and behave as if music was active if the last music track was - // just stopped - if (outputDesc->mRefCount[AudioSystem::MUSIC] || mLimitRingtoneVolume) { - float musicVol = computeVolume(AudioSystem::MUSIC, mStreams[AudioSystem::MUSIC].mIndexCur, output, device); - float minVol = (musicVol > SONIFICATION_HEADSET_VOLUME_MIN) ? musicVol : SONIFICATION_HEADSET_VOLUME_MIN; - if (volume > minVol) { - volume = minVol; - LOGV("computeVolume limiting volume to %f musicVol %f", minVol, musicVol); - } - } - } - - return volume; -} - -status_t AudioPolicyManagerBase::checkAndSetVolume(int stream, int index, audio_io_handle_t output, uint32_t device, int delayMs, bool force) -{ - - // do not change actual stream volume if the stream is muted - if (mOutputs.valueFor(output)->mMuteCount[stream] != 0) { - LOGV("checkAndSetVolume() stream %d muted count %d", stream, mOutputs.valueFor(output)->mMuteCount[stream]); - return NO_ERROR; - } - - // do not change in call volume if bluetooth is connected and vice versa - if ((stream == AudioSystem::VOICE_CALL && mForceUse[AudioSystem::FOR_COMMUNICATION] == AudioSystem::FORCE_BT_SCO) || - (stream == AudioSystem::BLUETOOTH_SCO && mForceUse[AudioSystem::FOR_COMMUNICATION] != AudioSystem::FORCE_BT_SCO)) { - LOGV("checkAndSetVolume() cannot set stream %d volume with force use = %d for comm", - stream, mForceUse[AudioSystem::FOR_COMMUNICATION]); - return INVALID_OPERATION; - } - - float volume = computeVolume(stream, index, output, device); - // do not set volume if the float value did not change - if (volume != mOutputs.valueFor(output)->mCurVolume[stream] || force) { - mOutputs.valueFor(output)->mCurVolume[stream] = volume; - LOGV("setStreamVolume() for output %d stream %d, volume %f, delay %d", output, stream, volume, delayMs); - if (stream == AudioSystem::VOICE_CALL || - stream == AudioSystem::DTMF || - stream == AudioSystem::BLUETOOTH_SCO) { - float voiceVolume = -1.0; - // offset value to reflect actual hardware volume that never reaches 0 - // 1% corresponds roughly to first step in VOICE_CALL stream volume setting (see AudioService.java) - volume = 0.01 + 0.99 * volume; - if (stream == AudioSystem::VOICE_CALL) { - voiceVolume = (float)index/(float)mStreams[stream].mIndexMax; - } else if (stream == AudioSystem::BLUETOOTH_SCO) { - voiceVolume = 1.0; - } - if (voiceVolume >= 0 && output == mHardwareOutput) { - mpClientInterface->setVoiceVolume(voiceVolume, delayMs); - } - } - mpClientInterface->setStreamVolume((AudioSystem::stream_type)stream, volume, output, delayMs); - } - - return NO_ERROR; -} - -void AudioPolicyManagerBase::applyStreamVolumes(audio_io_handle_t output, uint32_t device, int delayMs) -{ - LOGV("applyStreamVolumes() for output %d and device %x", output, device); - - for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) { - checkAndSetVolume(stream, mStreams[stream].mIndexCur, output, device, delayMs); - } -} - -void AudioPolicyManagerBase::setStrategyMute(routing_strategy strategy, bool on, audio_io_handle_t output, int delayMs) -{ - LOGV("setStrategyMute() strategy %d, mute %d, output %d", strategy, on, output); - for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) { - if (getStrategy((AudioSystem::stream_type)stream) == strategy) { - setStreamMute(stream, on, output, delayMs); - } - } -} - -void AudioPolicyManagerBase::setStreamMute(int stream, bool on, audio_io_handle_t output, int delayMs) -{ - StreamDescriptor &streamDesc = mStreams[stream]; - AudioOutputDescriptor *outputDesc = mOutputs.valueFor(output); - - LOGV("setStreamMute() stream %d, mute %d, output %d, mMuteCount %d", stream, on, output, outputDesc->mMuteCount[stream]); - - if (on) { - if (outputDesc->mMuteCount[stream] == 0) { - if (streamDesc.mCanBeMuted) { - checkAndSetVolume(stream, 0, output, outputDesc->device(), delayMs); - } - } - // increment mMuteCount after calling checkAndSetVolume() so that volume change is not ignored - outputDesc->mMuteCount[stream]++; - } else { - if (outputDesc->mMuteCount[stream] == 0) { - LOGW("setStreamMute() unmuting non muted stream!"); - return; - } - if (--outputDesc->mMuteCount[stream] == 0) { - checkAndSetVolume(stream, streamDesc.mIndexCur, output, outputDesc->device(), delayMs); - } - } -} - -void AudioPolicyManagerBase::handleIncallSonification(int stream, bool starting, bool stateChange) -{ - // if the stream pertains to sonification strategy and we are in call we must - // mute the stream if it is low visibility. If it is high visibility, we must play a tone - // in the device used for phone strategy and play the tone if the selected device does not - // interfere with the device used for phone strategy - // if stateChange is true, we are called from setPhoneState() and we must mute or unmute as - // many times as there are active tracks on the output - - if (getStrategy((AudioSystem::stream_type)stream) == STRATEGY_SONIFICATION) { - AudioOutputDescriptor *outputDesc = mOutputs.valueFor(mHardwareOutput); - LOGV("handleIncallSonification() stream %d starting %d device %x stateChange %d", - stream, starting, outputDesc->mDevice, stateChange); - if (outputDesc->mRefCount[stream]) { - int muteCount = 1; - if (stateChange) { - muteCount = outputDesc->mRefCount[stream]; - } - if (AudioSystem::isLowVisibility((AudioSystem::stream_type)stream)) { - LOGV("handleIncallSonification() low visibility, muteCount %d", muteCount); - for (int i = 0; i < muteCount; i++) { - setStreamMute(stream, starting, mHardwareOutput); - } - } else { - LOGV("handleIncallSonification() high visibility"); - if (outputDesc->device() & getDeviceForStrategy(STRATEGY_PHONE)) { - LOGV("handleIncallSonification() high visibility muted, muteCount %d", muteCount); - for (int i = 0; i < muteCount; i++) { - setStreamMute(stream, starting, mHardwareOutput); - } - } - if (starting) { - mpClientInterface->startTone(ToneGenerator::TONE_SUP_CALL_WAITING, AudioSystem::VOICE_CALL); - } else { - mpClientInterface->stopTone(); - } - } - } - } -} - -bool AudioPolicyManagerBase::needsDirectOuput(AudioSystem::stream_type stream, - uint32_t samplingRate, - uint32_t format, - uint32_t channels, - AudioSystem::output_flags flags, - uint32_t device) -{ - return ((flags & AudioSystem::OUTPUT_FLAG_DIRECT) || - (format !=0 && !AudioSystem::isLinearPCM(format))); -} - -// --- AudioOutputDescriptor class implementation - -AudioPolicyManagerBase::AudioOutputDescriptor::AudioOutputDescriptor() - : mId(0), mSamplingRate(0), mFormat(0), mChannels(0), mLatency(0), - mFlags((AudioSystem::output_flags)0), mDevice(0), mOutput1(0), mOutput2(0) -{ - // clear usage count for all stream types - for (int i = 0; i < AudioSystem::NUM_STREAM_TYPES; i++) { - mRefCount[i] = 0; - mCurVolume[i] = -1.0; - mMuteCount[i] = 0; - } -} - -uint32_t AudioPolicyManagerBase::AudioOutputDescriptor::device() -{ - uint32_t device = 0; - if (isDuplicated()) { - device = mOutput1->mDevice | mOutput2->mDevice; - } else { - device = mDevice; - } - return device; -} - -void AudioPolicyManagerBase::AudioOutputDescriptor::changeRefCount(AudioSystem::stream_type stream, int delta) -{ - // forward usage count change to attached outputs - if (isDuplicated()) { - mOutput1->changeRefCount(stream, delta); - mOutput2->changeRefCount(stream, delta); - } - if ((delta + (int)mRefCount[stream]) < 0) { - LOGW("changeRefCount() invalid delta %d for stream %d, refCount %d", delta, stream, mRefCount[stream]); - mRefCount[stream] = 0; - return; - } - mRefCount[stream] += delta; - LOGV("changeRefCount() stream %d, count %d", stream, mRefCount[stream]); -} - -uint32_t AudioPolicyManagerBase::AudioOutputDescriptor::refCount() -{ - uint32_t refcount = 0; - for (int i = 0; i < (int)AudioSystem::NUM_STREAM_TYPES; i++) { - refcount += mRefCount[i]; - } - return refcount; -} - -uint32_t AudioPolicyManagerBase::AudioOutputDescriptor::strategyRefCount(routing_strategy strategy) -{ - uint32_t refCount = 0; - for (int i = 0; i < (int)AudioSystem::NUM_STREAM_TYPES; i++) { - if (getStrategy((AudioSystem::stream_type)i) == strategy) { - refCount += mRefCount[i]; - } - } - return refCount; -} - - -status_t AudioPolicyManagerBase::AudioOutputDescriptor::dump(int fd) -{ - const size_t SIZE = 256; - char buffer[SIZE]; - String8 result; - - snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate); - result.append(buffer); - snprintf(buffer, SIZE, " Format: %d\n", mFormat); - result.append(buffer); - snprintf(buffer, SIZE, " Channels: %08x\n", mChannels); - result.append(buffer); - snprintf(buffer, SIZE, " Latency: %d\n", mLatency); - result.append(buffer); - snprintf(buffer, SIZE, " Flags %08x\n", mFlags); - result.append(buffer); - snprintf(buffer, SIZE, " Devices %08x\n", device()); - result.append(buffer); - snprintf(buffer, SIZE, " Stream volume refCount muteCount\n"); - result.append(buffer); - for (int i = 0; i < AudioSystem::NUM_STREAM_TYPES; i++) { - snprintf(buffer, SIZE, " %02d %.03f %02d %02d\n", i, mCurVolume[i], mRefCount[i], mMuteCount[i]); - result.append(buffer); - } - write(fd, result.string(), result.size()); - - return NO_ERROR; -} - -// --- AudioInputDescriptor class implementation - -AudioPolicyManagerBase::AudioInputDescriptor::AudioInputDescriptor() - : mSamplingRate(0), mFormat(0), mChannels(0), - mAcoustics((AudioSystem::audio_in_acoustics)0), mDevice(0), mRefCount(0) -{ -} - -status_t AudioPolicyManagerBase::AudioInputDescriptor::dump(int fd) -{ - const size_t SIZE = 256; - char buffer[SIZE]; - String8 result; - - snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate); - result.append(buffer); - snprintf(buffer, SIZE, " Format: %d\n", mFormat); - result.append(buffer); - snprintf(buffer, SIZE, " Channels: %08x\n", mChannels); - result.append(buffer); - snprintf(buffer, SIZE, " Acoustics %08x\n", mAcoustics); - result.append(buffer); - snprintf(buffer, SIZE, " Devices %08x\n", mDevice); - result.append(buffer); - snprintf(buffer, SIZE, " Ref Count %d\n", mRefCount); - result.append(buffer); - write(fd, result.string(), result.size()); - - return NO_ERROR; -} - -// --- StreamDescriptor class implementation - -void AudioPolicyManagerBase::StreamDescriptor::dump(char* buffer, size_t size) -{ - snprintf(buffer, size, " %02d %02d %02d %d\n", - mIndexMin, - mIndexMax, - mIndexCur, - mCanBeMuted); -} - - -}; // namespace android |