policy_hal: Add support for FM and WFD features
- Override the base class functions and add support for FM and
WFD audio features.
Change-Id: If14afda8e2b507ca40a06c709fd33adbe5f70727
diff --git a/policy_hal/AudioPolicyManager.cpp b/policy_hal/AudioPolicyManager.cpp
index 223b43e..5992c87 100644
--- a/policy_hal/AudioPolicyManager.cpp
+++ b/policy_hal/AudioPolicyManager.cpp
@@ -48,6 +48,387 @@
// AudioPolicyInterface implementation
// ----------------------------------------------------------------------------
+status_t AudioPolicyManager::setDeviceConnectionState(audio_devices_t device,
+ AudioSystem::device_connection_state state,
+ const char *device_address)
+{
+ SortedVector <audio_io_handle_t> outputs;
+
+ ALOGV("setDeviceConnectionState() device: %x, state %d, address %s", device, state, device_address);
+
+ // connect/disconnect only 1 device at a time
+ if (!audio_is_output_device(device) && !audio_is_input_device(device)) return BAD_VALUE;
+
+ if (strlen(device_address) >= MAX_DEVICE_ADDRESS_LEN) {
+ ALOGE("setDeviceConnectionState() invalid address: %s", device_address);
+ return BAD_VALUE;
+ }
+
+ // handle output devices
+ if (audio_is_output_device(device)) {
+
+ if (!mHasA2dp && audio_is_a2dp_device(device)) {
+ ALOGE("setDeviceConnectionState() invalid A2DP device: %x", device);
+ return BAD_VALUE;
+ }
+ if (!mHasUsb && audio_is_usb_device(device)) {
+ ALOGE("setDeviceConnectionState() invalid USB audio device: %x", device);
+ return BAD_VALUE;
+ }
+ if (!mHasRemoteSubmix && audio_is_remote_submix_device((audio_devices_t)device)) {
+ ALOGE("setDeviceConnectionState() invalid remote submix audio device: %x", device);
+ return BAD_VALUE;
+ }
+
+ // save a copy of the opened output descriptors before any output is opened or closed
+ // by checkOutputsForDevice(). This will be needed by checkOutputForAllStrategies()
+ mPreviousOutputs = mOutputs;
+ switch (state)
+ {
+ // handle output device connection
+ case AudioSystem::DEVICE_STATE_AVAILABLE:
+ if (mAvailableOutputDevices & device) {
+ ALOGW("setDeviceConnectionState() device already connected: %x", device);
+ return INVALID_OPERATION;
+ }
+ ALOGV("setDeviceConnectionState() connecting device %x", device);
+
+ if (checkOutputsForDevice(device, state, outputs) != NO_ERROR) {
+ return INVALID_OPERATION;
+ }
+ ALOGV("setDeviceConnectionState() checkOutputsForDevice() returned %d outputs",
+ outputs.size());
+ // register new device as available
+ mAvailableOutputDevices = (audio_devices_t)(mAvailableOutputDevices | device);
+
+ if (!outputs.isEmpty()) {
+ String8 paramStr;
+ if (mHasA2dp && audio_is_a2dp_device(device)) {
+ // handle A2DP device connection
+ AudioParameter param;
+ param.add(String8(AUDIO_PARAMETER_A2DP_SINK_ADDRESS), String8(device_address));
+ paramStr = param.toString();
+ mA2dpDeviceAddress = String8(device_address, MAX_DEVICE_ADDRESS_LEN);
+ mA2dpSuspended = false;
+ } else if (audio_is_bluetooth_sco_device(device)) {
+ // handle SCO device connection
+ mScoDeviceAddress = String8(device_address, MAX_DEVICE_ADDRESS_LEN);
+ } else if (mHasUsb && audio_is_usb_device(device)) {
+ // handle USB device connection
+ mUsbCardAndDevice = String8(device_address, MAX_DEVICE_ADDRESS_LEN);
+ paramStr = mUsbCardAndDevice;
+ }
+ // not currently handling multiple simultaneous submixes: ignoring remote submix
+ // case and address
+ if (!paramStr.isEmpty()) {
+ for (size_t i = 0; i < outputs.size(); i++) {
+ mpClientInterface->setParameters(outputs[i], paramStr);
+ }
+ }
+ }
+ break;
+ // handle output device disconnection
+ case AudioSystem::DEVICE_STATE_UNAVAILABLE: {
+ if (!(mAvailableOutputDevices & device)) {
+ ALOGW("setDeviceConnectionState() device not connected: %x", device);
+ return INVALID_OPERATION;
+ }
+
+ ALOGV("setDeviceConnectionState() disconnecting device %x", device);
+ // remove device from available output devices
+ mAvailableOutputDevices = (audio_devices_t)(mAvailableOutputDevices & ~device);
+
+ checkOutputsForDevice(device, state, outputs);
+ if (mHasA2dp && audio_is_a2dp_device(device)) {
+ // handle A2DP device disconnection
+ mA2dpDeviceAddress = "";
+ mA2dpSuspended = false;
+ } else if (audio_is_bluetooth_sco_device(device)) {
+ // handle SCO device disconnection
+ mScoDeviceAddress = "";
+ } else if (mHasUsb && audio_is_usb_device(device)) {
+ // handle USB device disconnection
+ mUsbCardAndDevice = "";
+ }
+ // not currently handling multiple simultaneous submixes: ignoring remote submix
+ // case and address
+ } break;
+
+ default:
+ ALOGE("setDeviceConnectionState() invalid state: %x", state);
+ return BAD_VALUE;
+ }
+
+ checkA2dpSuspend();
+ checkOutputForAllStrategies();
+ // outputs must be closed after checkOutputForAllStrategies() is executed
+ if (!outputs.isEmpty()) {
+ for (size_t i = 0; i < outputs.size(); i++) {
+ AudioOutputDescriptor *desc = mOutputs.valueFor(outputs[i]);
+ // close unused outputs after device disconnection or direct outputs that have been
+ // opened by checkOutputsForDevice() to query dynamic parameters
+ if ((state == AudioSystem::DEVICE_STATE_UNAVAILABLE) ||
+ (((desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) &&
+ (desc->mDirectOpenCount == 0))) {
+ closeOutput(outputs[i]);
+ }
+ }
+ }
+
+ updateDevicesAndOutputs();
+ audio_devices_t newDevice = getNewDevice(mPrimaryOutput, false /*fromCache*/);
+#ifdef AUDIO_EXTN_FM_ENABLED
+ if(device == AUDIO_DEVICE_OUT_FM) {
+ if (state == AudioSystem::DEVICE_STATE_AVAILABLE) {
+ mOutputs.valueFor(mPrimaryOutput)->changeRefCount(AudioSystem::MUSIC, 1);
+ newDevice = (audio_devices_t)(getNewDevice(mPrimaryOutput, false) | AUDIO_DEVICE_OUT_FM);
+ } else {
+ mOutputs.valueFor(mPrimaryOutput)->changeRefCount(AudioSystem::MUSIC, -1);
+ }
+
+ AudioParameter param = AudioParameter();
+ param.addInt(String8("handle_fm"), (int)newDevice);
+ ALOGV("setDeviceConnectionState() setParameters handle_fm");
+ mpClientInterface->setParameters(mPrimaryOutput, param.toString());
+ }
+#endif
+ for (size_t i = 0; i < mOutputs.size(); i++) {
+ // do not force device change on duplicated output because if device is 0, it will
+ // also force a device 0 for the two outputs it is duplicated to which may override
+ // a valid device selection on those outputs.
+ setOutputDevice(mOutputs.keyAt(i),
+ getNewDevice(mOutputs.keyAt(i), true /*fromCache*/),
+ !mOutputs.valueAt(i)->isDuplicated(),
+ 0);
+ }
+
+ if (device == AUDIO_DEVICE_OUT_WIRED_HEADSET) {
+ device = AUDIO_DEVICE_IN_WIRED_HEADSET;
+ } else if (device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO ||
+ device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET ||
+ device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT) {
+ device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
+ } else if(device == AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET){
+ device = AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET;
+ } else {
+ return NO_ERROR;
+ }
+ }
+ // handle input devices
+ if (audio_is_input_device(device)) {
+
+ switch (state)
+ {
+ // handle input device connection
+ case AudioSystem::DEVICE_STATE_AVAILABLE: {
+ if (mAvailableInputDevices & device) {
+ ALOGW("setDeviceConnectionState() device already connected: %d", device);
+ return INVALID_OPERATION;
+ }
+ mAvailableInputDevices = mAvailableInputDevices | (device & ~AUDIO_DEVICE_BIT_IN);
+ }
+ break;
+
+ // handle input device disconnection
+ case AudioSystem::DEVICE_STATE_UNAVAILABLE: {
+ if (!(mAvailableInputDevices & device)) {
+ ALOGW("setDeviceConnectionState() device not connected: %d", device);
+ return INVALID_OPERATION;
+ }
+ mAvailableInputDevices = (audio_devices_t) (mAvailableInputDevices & ~device);
+ } break;
+
+ default:
+ ALOGE("setDeviceConnectionState() invalid state: %x", state);
+ return BAD_VALUE;
+ }
+
+ audio_io_handle_t activeInput = getActiveInput();
+ if (activeInput != 0) {
+ AudioInputDescriptor *inputDesc = mInputs.valueFor(activeInput);
+ audio_devices_t newDevice = getDeviceForInputSource(inputDesc->mInputSource);
+ if ((newDevice != AUDIO_DEVICE_NONE) && (newDevice != inputDesc->mDevice)) {
+ ALOGV("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;
+ }
+
+ ALOGW("setDeviceConnectionState() invalid device: %x", device);
+ return BAD_VALUE;
+}
+
+void AudioPolicyManager::setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config)
+{
+ ALOGV("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) {
+ ALOGW("setForceUse() invalid config %d for FOR_COMMUNICATION", config);
+ return;
+ }
+ forceVolumeReeval = true;
+ mForceUse[usage] = config;
+ break;
+ case AudioSystem::FOR_MEDIA:
+ if (config != AudioSystem::FORCE_HEADPHONES && config != AudioSystem::FORCE_BT_A2DP &&
+#ifdef AUDIO_EXTN_FM_ENABLED
+ config != AudioSystem::FORCE_SPEAKER &&
+#endif
+ config != AudioSystem::FORCE_WIRED_ACCESSORY &&
+ config != AudioSystem::FORCE_ANALOG_DOCK &&
+ config != AudioSystem::FORCE_DIGITAL_DOCK && config != AudioSystem::FORCE_NONE &&
+ config != AudioSystem::FORCE_NO_BT_A2DP) {
+ ALOGW("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) {
+ ALOGW("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 &&
+ config != AudioSystem::FORCE_ANALOG_DOCK &&
+ config != AudioSystem::FORCE_DIGITAL_DOCK) {
+ ALOGW("setForceUse() invalid config %d for FOR_DOCK", config);
+ }
+ forceVolumeReeval = true;
+ mForceUse[usage] = config;
+ break;
+ case AudioSystem::FOR_SYSTEM:
+ if (config != AudioSystem::FORCE_NONE &&
+ config != AudioSystem::FORCE_SYSTEM_ENFORCED) {
+ ALOGW("setForceUse() invalid config %d for FOR_SYSTEM", config);
+ }
+ forceVolumeReeval = true;
+ mForceUse[usage] = config;
+ break;
+ default:
+ ALOGW("setForceUse() invalid usage %d", usage);
+ break;
+ }
+
+ // check for device and output changes triggered by new force usage
+ checkA2dpSuspend();
+ checkOutputForAllStrategies();
+ updateDevicesAndOutputs();
+ for (int i = mOutputs.size() -1; i >= 0; i--) {
+ audio_io_handle_t output = mOutputs.keyAt(i);
+ audio_devices_t newDevice = getNewDevice(output, true /*fromCache*/);
+ setOutputDevice(output, newDevice, (newDevice != AUDIO_DEVICE_NONE));
+ if (forceVolumeReeval && (newDevice != AUDIO_DEVICE_NONE)) {
+ applyStreamVolumes(output, newDevice, 0, true);
+ }
+ }
+
+ audio_io_handle_t activeInput = getActiveInput();
+ if (activeInput != 0) {
+ AudioInputDescriptor *inputDesc = mInputs.valueFor(activeInput);
+ audio_devices_t newDevice = getDeviceForInputSource(inputDesc->mInputSource);
+ if ((newDevice != AUDIO_DEVICE_NONE) && (newDevice != inputDesc->mDevice)) {
+ ALOGV("setForceUse() 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());
+ }
+ }
+
+}
+
+audio_io_handle_t AudioPolicyManager::getInput(int inputSource,
+ uint32_t samplingRate,
+ uint32_t format,
+ uint32_t channelMask,
+ AudioSystem::audio_in_acoustics acoustics)
+{
+ audio_io_handle_t input = 0;
+ audio_devices_t device = getDeviceForInputSource(inputSource);
+
+ ALOGV("getInput() inputSource %d, samplingRate %d, format %d, channelMask %x, acoustics %x",
+ inputSource, samplingRate, format, channelMask, acoustics);
+
+ if (device == AUDIO_DEVICE_NONE) {
+ ALOGW("getInput() could not find device for inputSource %d", inputSource);
+ return 0;
+ }
+
+
+ IOProfile *profile = getInputProfile(device,
+ samplingRate,
+ format,
+ channelMask);
+ if (profile == NULL) {
+ ALOGW("getInput() could not find profile for device %04x, samplingRate %d, format %d,"
+ "channelMask %04x",
+ device, samplingRate, format, channelMask);
+ return 0;
+ }
+
+ if (profile->mModule->mHandle == 0) {
+ ALOGE("getInput(): HW module %s not opened", profile->mModule->mName);
+ return 0;
+ }
+
+ AudioInputDescriptor *inputDesc = new AudioInputDescriptor(profile);
+
+ inputDesc->mInputSource = inputSource;
+ inputDesc->mDevice = device;
+ inputDesc->mSamplingRate = samplingRate;
+ inputDesc->mFormat = (audio_format_t)format;
+ inputDesc->mChannelMask = (audio_channel_mask_t)channelMask;
+ inputDesc->mRefCount = 0;
+ input = mpClientInterface->openInput(profile->mModule->mHandle,
+ &inputDesc->mDevice,
+ &inputDesc->mSamplingRate,
+ &inputDesc->mFormat,
+ &inputDesc->mChannelMask);
+
+ // only accept input with the exact requested set of parameters
+ if (input == 0 ||
+ (samplingRate != inputDesc->mSamplingRate) ||
+ (format != inputDesc->mFormat) ||
+ (channelMask != inputDesc->mChannelMask)) {
+ ALOGV("getInput() failed opening input: samplingRate %d, format %d, channelMask %d",
+ samplingRate, format, channelMask);
+ if (input != 0) {
+ mpClientInterface->closeInput(input);
+ }
+ delete inputDesc;
+ return 0;
+ }
+ mInputs.add(input, inputDesc);
+ return input;
+}
+
+AudioPolicyManager::routing_strategy AudioPolicyManager::getStrategy(AudioSystem::stream_type stream)
+{
+#ifdef QCOM_INCALL_MUSIC_ENABLED
+ if (stream == AudioSystem::INCALL_MUSIC)
+ return STRATEGY_MEDIA;
+#endif
+
+ return getStrategy(stream);
+}
+
audio_devices_t AudioPolicyManager::getDeviceForStrategy(routing_strategy strategy,
bool fromCache)
{
@@ -125,14 +506,13 @@
if (device) break;
device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_DEVICE;
if (device) break;
+ device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
+ if (device) break;
device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_AUX_DIGITAL;
if (device) break;
}
// Allow voice call on USB ANLG DOCK headset
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
- if (device) break;
-
device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
if (device) break;
@@ -162,9 +542,9 @@
if (device) break;
device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_AUX_DIGITAL;
if (device) break;
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
- if (device) break;
}
+ device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
+ if (device) break;
device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_SPEAKER;
if (device) break;
device = mDefaultOutputDevice;
@@ -173,6 +553,15 @@
}
break;
}
+ // FIXME: Why do need to replace with speaker? If voice call is active
+ // We should use device from STRATEGY_PHONE
+#ifdef AUDIO_EXTN_FM_ENABLED
+ if (mAvailableOutputDevices & AUDIO_DEVICE_OUT_FM) {
+ if (mForceUse[AudioSystem::FOR_MEDIA] == AudioSystem::FORCE_SPEAKER) {
+ device = AUDIO_DEVICE_OUT_SPEAKER;
+ }
+ }
+#endif
break;
case STRATEGY_SONIFICATION:
@@ -203,6 +592,19 @@
case STRATEGY_MEDIA: {
uint32_t device2 = AUDIO_DEVICE_NONE;
+
+ if (isInCall()) {
+ // when in call, get the device for Phone strategy
+ device = getDeviceForStrategy(STRATEGY_PHONE, false /*fromCache*/);
+ break;
+ }
+#ifdef AUDIO_EXTN_FM_ENABLED
+ if (mForceUse[AudioSystem::FOR_MEDIA] == AudioSystem::FORCE_SPEAKER) {
+ device = AUDIO_DEVICE_OUT_SPEAKER;
+ break;
+ }
+#endif
+
if (strategy != STRATEGY_SONIFICATION) {
// no sonification on remote submix (e.g. WFD)
device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
@@ -241,6 +643,17 @@
(mForceUse[AudioSystem::FOR_DOCK] == AudioSystem::FORCE_ANALOG_DOCK)) {
device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
}
+#ifdef AUDIO_EXTN_FM_ENABLED
+ if ((strategy != STRATEGY_SONIFICATION) && (device2 == AUDIO_DEVICE_NONE)) {
+ device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_FM_TX;
+ }
+#endif
+#ifdef AUDIO_EXTN_AFE_PROXY_ENABLED
+ if ((strategy != STRATEGY_SONIFICATION) && (device2 == AUDIO_DEVICE_NONE)) {
+ // no sonification on WFD sink
+ device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_PROXY;
+ }
+#endif
if (device2 == AUDIO_DEVICE_NONE) {
device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_SPEAKER;
}
@@ -264,12 +677,213 @@
return device;
}
-AudioPolicyInterface* createAudioPolicyManager(AudioPolicyClientInterface *clientInterface)
+audio_devices_t AudioPolicyManager::getDeviceForInputSource(int inputSource)
+{
+ uint32_t device = AUDIO_DEVICE_NONE;
+
+ switch (inputSource) {
+ case AUDIO_SOURCE_VOICE_UPLINK:
+ if (mAvailableInputDevices & AUDIO_DEVICE_IN_VOICE_CALL) {
+ device = AUDIO_DEVICE_IN_VOICE_CALL;
+ break;
+ }
+ // FALL THROUGH
+
+ case AUDIO_SOURCE_DEFAULT:
+ case AUDIO_SOURCE_MIC:
+ case AUDIO_SOURCE_VOICE_RECOGNITION:
+ case AUDIO_SOURCE_HOTWORD:
+ case AUDIO_SOURCE_VOICE_COMMUNICATION:
+ if (mForceUse[AudioSystem::FOR_RECORD] == AudioSystem::FORCE_BT_SCO &&
+ mAvailableInputDevices & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
+ device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
+ } else if (mAvailableInputDevices & AUDIO_DEVICE_IN_WIRED_HEADSET) {
+ device = AUDIO_DEVICE_IN_WIRED_HEADSET;
+ } else if (mAvailableInputDevices & AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET) {
+ device = AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET;
+ } else if (mAvailableInputDevices & AUDIO_DEVICE_IN_BUILTIN_MIC) {
+ device = AUDIO_DEVICE_IN_BUILTIN_MIC;
+ }
+ break;
+ case AUDIO_SOURCE_CAMCORDER:
+ if (mAvailableInputDevices & AUDIO_DEVICE_IN_BACK_MIC) {
+ device = AUDIO_DEVICE_IN_BACK_MIC;
+ } else if (mAvailableInputDevices & AUDIO_DEVICE_IN_BUILTIN_MIC) {
+ device = AUDIO_DEVICE_IN_BUILTIN_MIC;
+ }
+ break;
+ case AUDIO_SOURCE_VOICE_DOWNLINK:
+ case AUDIO_SOURCE_VOICE_CALL:
+ if (mAvailableInputDevices & AUDIO_DEVICE_IN_VOICE_CALL) {
+ device = AUDIO_DEVICE_IN_VOICE_CALL;
+ }
+ break;
+ case AUDIO_SOURCE_REMOTE_SUBMIX:
+ if (mAvailableInputDevices & AUDIO_DEVICE_IN_REMOTE_SUBMIX) {
+ device = AUDIO_DEVICE_IN_REMOTE_SUBMIX;
+ }
+ break;
+#ifdef AUDIO_EXTN_FM_ENABLED
+ case AUDIO_SOURCE_FM_RX:
+ case AUDIO_SOURCE_FM_RX_A2DP:
+ device = AUDIO_DEVICE_IN_FM_RX;
+ break;
+#endif
+ default:
+ ALOGW("getDeviceForInputSource() invalid input source %d", inputSource);
+ break;
+ }
+ ALOGV("getDeviceForInputSource()input source %d, device %08x", inputSource, device);
+ return device;
+}
+
+AudioPolicyManager::device_category AudioPolicyManager::getDeviceCategory(audio_devices_t device)
+{
+ switch(getDeviceForVolume(device)) {
+ case AUDIO_DEVICE_OUT_EARPIECE:
+ return DEVICE_CATEGORY_EARPIECE;
+ case AUDIO_DEVICE_OUT_WIRED_HEADSET:
+ case AUDIO_DEVICE_OUT_WIRED_HEADPHONE:
+ case AUDIO_DEVICE_OUT_BLUETOOTH_SCO:
+ case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET:
+ case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP:
+ case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
+#ifdef AUDIO_EXTN_FM_ENABLED
+ case AUDIO_DEVICE_OUT_FM:
+#endif
+ return DEVICE_CATEGORY_HEADSET;
+ case AUDIO_DEVICE_OUT_SPEAKER:
+ case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT:
+ case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER:
+ case AUDIO_DEVICE_OUT_AUX_DIGITAL:
+ case AUDIO_DEVICE_OUT_USB_ACCESSORY:
+ case AUDIO_DEVICE_OUT_USB_DEVICE:
+ case AUDIO_DEVICE_OUT_REMOTE_SUBMIX:
+#ifdef AUDIO_EXTN_AFE_PROXY_ENABLED
+ case AUDIO_DEVICE_OUT_PROXY:
+#endif
+ default:
+ return DEVICE_CATEGORY_SPEAKER;
+ }
+}
+
+status_t AudioPolicyManager::checkAndSetVolume(int stream,
+ int index,
+ audio_io_handle_t output,
+ audio_devices_t device,
+ int delayMs,
+ bool force)
+{
+ ALOGV("checkAndSetVolume: index %d output %d device %x", index, output, device);
+ // do not change actual stream volume if the stream is muted
+ if (mOutputs.valueFor(output)->mMuteCount[stream] != 0) {
+ ALOGVV("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)) {
+ ALOGV("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);
+ // We actually change the volume if:
+ // - the float value returned by computeVolume() changed
+ // - the force flag is set
+ if (volume != mOutputs.valueFor(output)->mCurVolume[stream] ||
+ force) {
+ mOutputs.valueFor(output)->mCurVolume[stream] = volume;
+ ALOGV("checkAndSetVolume() for output %d stream %d, volume %f, delay %d", output, stream, volume, delayMs);
+ // Force VOICE_CALL to track BLUETOOTH_SCO stream volume when bluetooth audio is
+ // enabled
+ if (stream == AudioSystem::BLUETOOTH_SCO) {
+ mpClientInterface->setStreamVolume(AudioSystem::VOICE_CALL, volume, output, delayMs);
+#ifdef AUDIO_EXTN_FM_ENABLED
+ } else if (stream == AudioSystem::MUSIC &&
+ output == mPrimaryOutput) {
+ float fmVolume = -1.0;
+ fmVolume = computeVolume(stream, index, output, device);
+ if (fmVolume >= 0) {
+ AudioParameter param = AudioParameter();
+ param.addFloat(String8("fm_volume"), fmVolume);
+ ALOGV("checkAndSetVolume setParameters fm_volume, volume=:%f delay=:%d",fmVolume,delayMs*2);
+ //Double delayMs to avoid sound burst while device switch.
+ mpClientInterface->setParameters(mPrimaryOutput, param.toString(), delayMs*2);
+ }
+#endif
+ }
+ mpClientInterface->setStreamVolume((AudioSystem::stream_type)stream, volume, output, delayMs);
+ }
+
+ if (stream == AudioSystem::VOICE_CALL ||
+ stream == AudioSystem::BLUETOOTH_SCO) {
+ float voiceVolume;
+
+ voiceVolume = (float)index/(float)mStreams[stream].mIndexMax;
+
+ // Force voice volume to max when Vgs is set for bluetooth SCO as volume is managed by the headset
+ if (stream == AudioSystem::BLUETOOTH_SCO) {
+ String8 key ("bt_headset_vgs");
+ mpClientInterface->getParameters(output,key);
+ AudioParameter result(mpClientInterface->getParameters(0,key));
+ int value;
+ if (result.getInt(String8("isVGS"),value) == NO_ERROR) {
+ ALOGV("Use BT-SCO Voice Volume");
+ voiceVolume = 1.0;
+ }
+ }
+
+ if (voiceVolume != mLastVoiceVolume && output == mPrimaryOutput) {
+ mpClientInterface->setVoiceVolume(voiceVolume, delayMs);
+ mLastVoiceVolume = voiceVolume;
+ }
+ }
+
+ return NO_ERROR;
+}
+
+
+float AudioPolicyManager::computeVolume(int stream,
+ int index,
+ audio_io_handle_t output,
+ audio_devices_t device)
+{
+ float volume = 1.0;
+ AudioOutputDescriptor *outputDesc = mOutputs.valueFor(output);
+
+ if (device == AUDIO_DEVICE_NONE) {
+ device = outputDesc->device();
+ }
+
+ // if volume is not 0 (not muted), force media volume to max on digital output
+ if (stream == AudioSystem::MUSIC &&
+ index != mStreams[stream].mIndexMin &&
+ (device == AUDIO_DEVICE_OUT_AUX_DIGITAL ||
+ device == AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET ||
+ device == AUDIO_DEVICE_OUT_USB_ACCESSORY ||
+#ifdef AUDIO_EXTN_AFE_PROXY_ENABLED
+ device == AUDIO_DEVICE_OUT_PROXY ||
+#endif
+ device == AUDIO_DEVICE_OUT_USB_DEVICE )) {
+ return 1.0;
+ }
+#ifdef AUDIO_EXTN_INCALL_MUSIC_ENABLED
+ if (stream == AudioSystem::INCALL_MUSIC) {
+ return 1.0;
+ }
+#endif
+ return AudioPolicyManagerBase::computeVolume(stream, index, output, device);
+}
+extern "C" AudioPolicyInterface* createAudioPolicyManager(AudioPolicyClientInterface *clientInterface)
{
return new AudioPolicyManager(clientInterface);
}
-void destroyAudioPolicyManager(AudioPolicyInterface *interface)
+extern "C" void destroyAudioPolicyManager(AudioPolicyInterface *interface)
{
delete interface;
}