/* LGE_CHANGE_E [email protected] 2010.01.27 */ status_t AudioPolicyManagerALSA::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->isUsedByStrategy(strategy)) { // decrement usage count of this stream on the output outputDesc->changeRefCount(stream, -1); if (!outputDesc->isUsedByStrategy(strategy)) { // if the stream is the last of its strategy to use this output, change routing // in the following order or priority: // PHONE > SONIFICATION > MEDIA > DTMF uint32_t newDevice = 0; if (outputDesc->isUsedByStrategy(STRATEGY_PHONE)) { newDevice = getDeviceForStrategy(STRATEGY_PHONE); } else if (outputDesc->isUsedByStrategy(STRATEGY_SONIFICATION)) { newDevice = getDeviceForStrategy(STRATEGY_SONIFICATION); } else if (mPhoneState == AudioSystem::MODE_IN_CALL) { newDevice = getDeviceForStrategy(STRATEGY_PHONE); } else if (outputDesc->isUsedByStrategy(STRATEGY_MEDIA)) { newDevice = getDeviceForStrategy(STRATEGY_MEDIA); } else if (outputDesc->isUsedByStrategy(STRATEGY_DTMF)) { newDevice = getDeviceForStrategy(STRATEGY_DTMF); } // apply routing change if necessary. // insert a delay of 2 times the audio hardware latency to ensure PCM // buffers in audio flinger and audio hardware are emptied before the // routing change is executed. setOutputDevice(mHardwareOutput, newDevice, false, mOutputs.valueFor(mHardwareOutput)->mLatency*2); } // store time at which the last music track was stopped - see computeVolume() if (stream == AudioSystem::MUSIC) { mMusicStopTime = systemTime(); } return NO_ERROR; } else { LOGW("stopOutput() refcount is already 0 for output %d", output); return INVALID_OPERATION; } }
uint32_t AudioPolicyManagerBase::getDevicesForStream(AudioSystem::stream_type stream) {
uint32_t devices;
// By checking the range of stream before calling getStrategy, we avoid
// getStrategy's behavior for invalid streams. getStrategy would do a LOGE
// and then return STRATEGY_MEDIA, but we want to return the empty set.
if (stream < (AudioSystem::stream_type) 0 || stream >= AudioSystem::NUM_STREAM_TYPES) {
devices = 0;
} else {
AudioPolicyManagerBase::routing_strategy strategy = getStrategy(stream);
devices = getDeviceForStrategy(strategy, true);
}
return devices;
}
audio_io_handle_t AudioPolicyManager::getSession(AudioSystem::stream_type stream,
uint32_t format,
AudioSystem::output_flags flags,
int32_t sessionId)
{
audio_io_handle_t output = 0;
uint32_t latency = 0;
routing_strategy strategy = getStrategy((AudioSystem::stream_type)stream);
uint32_t device = getDeviceForStrategy(strategy);
LOGV("getSession() stream %d, format %d, sessionId %x, flags %x device %d", stream, format, sessionId, flags, device);
AudioOutputDescriptor *outputDesc = new AudioOutputDescriptor();
outputDesc->mDevice = device;
outputDesc->mSamplingRate = 0;
outputDesc->mFormat = format;
outputDesc->mChannels = 2;
outputDesc->mLatency = 0;
outputDesc->mFlags = (AudioSystem::output_flags)(flags | AudioSystem::OUTPUT_FLAG_DIRECT);
outputDesc->mRefCount[stream] = 0;
output = mpClientInterface->openSession(&outputDesc->mDevice,
&outputDesc->mFormat,
outputDesc->mFlags,
stream,
sessionId);
// only accept an output with the requeted parameters
if ((format != 0 && format != outputDesc->mFormat) || !output) {
LOGE("openSession() failed opening a session: format %d, sessionId %d output %d",
format, sessionId, output);
if(output) {
mpClientInterface->closeSession(output);
}
delete outputDesc;
return 0;
}
//reset it here, it will get updated in startoutput
outputDesc->mDevice = 0;
mOutputs.add(output, outputDesc);
mLPADecodeOutput = output;
mLPAStreamType = stream;
return output;
}
audio_devices_t Engine::getDeviceForStrategy(routing_strategy strategy) const
{
const DeviceVector &availableOutputDevices = mApmObserver->getAvailableOutputDevices();
const DeviceVector &availableInputDevices = mApmObserver->getAvailableInputDevices();
const SwAudioOutputCollection &outputs = mApmObserver->getOutputs();
uint32_t device = AUDIO_DEVICE_NONE;
uint32_t availableOutputDevicesType = availableOutputDevices.types();
switch (strategy) {
case STRATEGY_TRANSMITTED_THROUGH_SPEAKER:
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER;
if (!device) {
ALOGE("getDeviceForStrategy() no device found for "\
"STRATEGY_TRANSMITTED_THROUGH_SPEAKER");
}
break;
case STRATEGY_SONIFICATION_RESPECTFUL:
if (isInCall()) {
device = getDeviceForStrategy(STRATEGY_SONIFICATION);
} else if (outputs.isStreamActiveRemotely(AUDIO_STREAM_MUSIC,
SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY)) {
// while media is playing on a remote device, use the the sonification behavior.
// Note that we test this usecase before testing if media is playing because
// the isStreamActive() method only informs about the activity of a stream, not
// if it's for local playback. Note also that we use the same delay between both tests
device = getDeviceForStrategy(STRATEGY_SONIFICATION);
//user "safe" speaker if available instead of normal speaker to avoid triggering
//other acoustic safety mechanisms for notification
if ((device & AUDIO_DEVICE_OUT_SPEAKER) &&
(availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER_SAFE)) {
device |= AUDIO_DEVICE_OUT_SPEAKER_SAFE;
device &= ~AUDIO_DEVICE_OUT_SPEAKER;
}
} else if (outputs.isStreamActive(AUDIO_STREAM_MUSIC, SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY)) {
// while media is playing (or has recently played), use the same device
device = getDeviceForStrategy(STRATEGY_MEDIA);
} else {
// when media is not playing anymore, fall back on the sonification behavior
device = getDeviceForStrategy(STRATEGY_SONIFICATION);
//user "safe" speaker if available instead of normal speaker to avoid triggering
//other acoustic safety mechanisms for notification
if ((device & AUDIO_DEVICE_OUT_SPEAKER) &&
(availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER_SAFE)) {
device |= AUDIO_DEVICE_OUT_SPEAKER_SAFE;
device &= ~AUDIO_DEVICE_OUT_SPEAKER;
}
}
break;
case STRATEGY_DTMF:
if (!isInCall()) {
// when off call, DTMF strategy follows the same rules as MEDIA strategy
device = getDeviceForStrategy(STRATEGY_MEDIA);
break;
}
// when in call, DTMF and PHONE strategies follow the same rules
// FALL THROUGH
case STRATEGY_PHONE:
// Force use of only devices on primary output if:
// - in call AND
// - cannot route from voice call RX OR
// - audio HAL version is < 3.0 and TX device is on the primary HW module
if (getPhoneState() == AUDIO_MODE_IN_CALL) {
audio_devices_t txDevice = getDeviceForInputSource(AUDIO_SOURCE_VOICE_COMMUNICATION);
sp<AudioOutputDescriptor> primaryOutput = outputs.getPrimaryOutput();
audio_devices_t availPrimaryInputDevices =
availableInputDevices.getDevicesFromHwModule(primaryOutput->getModuleHandle());
audio_devices_t availPrimaryOutputDevices =
primaryOutput->supportedDevices() & availableOutputDevices.types();
if (((availableInputDevices.types() &
AUDIO_DEVICE_IN_TELEPHONY_RX & ~AUDIO_DEVICE_BIT_IN) == 0) ||
(((txDevice & availPrimaryInputDevices & ~AUDIO_DEVICE_BIT_IN) != 0) &&
(primaryOutput->getAudioPort()->getModuleVersion() <
AUDIO_DEVICE_API_VERSION_3_0))) {
availableOutputDevicesType = availPrimaryOutputDevices;
}
}
// for phone strategy, we first consider the forced use and then the available devices by order
// of priority
switch (mForceUse[AUDIO_POLICY_FORCE_FOR_COMMUNICATION]) {
case AUDIO_POLICY_FORCE_BT_SCO:
if (!isInCall() || strategy != STRATEGY_DTMF) {
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
if (device) break;
}
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
if (device) break;
device = availableOutputDevicesType & AUDIO_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
// when not in a phone call, phone strategy should route STREAM_VOICE_CALL to A2DP
if (!isInCall() &&
(mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) &&
(outputs.getA2dpOutput() != 0)) {
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
if (device) break;
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
if (device) break;
}
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
if (device) break;
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_WIRED_HEADSET;
if (device) break;
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_DEVICE;
if (device) break;
if (!isInCall()) {
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_ACCESSORY;
if (device) break;
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
if (device) break;
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_AUX_DIGITAL;
if (device) break;
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
if (device) break;
}
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_EARPIECE;
if (device) break;
device = mApmObserver->getDefaultOutputDevice()->type();
if (device == AUDIO_DEVICE_NONE) {
ALOGE("getDeviceForStrategy() no device found for STRATEGY_PHONE");
}
break;
case AUDIO_POLICY_FORCE_SPEAKER:
// when not in a phone call, phone strategy should route STREAM_VOICE_CALL to
// A2DP speaker when forcing to speaker output
if (!isInCall() &&
(mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) &&
(outputs.getA2dpOutput() != 0)) {
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
if (device) break;
}
if (!isInCall()) {
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_ACCESSORY;
if (device) break;
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_DEVICE;
if (device) break;
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
if (device) break;
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_AUX_DIGITAL;
if (device) break;
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
if (device) break;
}
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_LINE;
if (device) break;
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER;
if (device) break;
device = mApmObserver->getDefaultOutputDevice()->type();
if (device == AUDIO_DEVICE_NONE) {
ALOGE("getDeviceForStrategy() no device found for STRATEGY_PHONE, FORCE_SPEAKER");
}
break;
}
break;
case STRATEGY_SONIFICATION:
// If incall, just select the STRATEGY_PHONE device: The rest of the behavior is handled by
// handleIncallSonification().
if (isInCall()) {
device = getDeviceForStrategy(STRATEGY_PHONE);
break;
}
// FALL THROUGH
case STRATEGY_ENFORCED_AUDIBLE:
// strategy STRATEGY_ENFORCED_AUDIBLE uses same routing policy as STRATEGY_SONIFICATION
// except:
// - when in call where it doesn't default to STRATEGY_PHONE behavior
// - in countries where not enforced in which case it follows STRATEGY_MEDIA
if ((strategy == STRATEGY_SONIFICATION) ||
(mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM] == AUDIO_POLICY_FORCE_SYSTEM_ENFORCED)) {
device = availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER;
if (device == AUDIO_DEVICE_NONE) {
ALOGE("getDeviceForStrategy() speaker device not found for STRATEGY_SONIFICATION");
}
}
// The second device used for sonification is the same as the device used by media strategy
// FALL THROUGH
// FIXME: STRATEGY_ACCESSIBILITY and STRATEGY_REROUTING follow STRATEGY_MEDIA for now
case STRATEGY_ACCESSIBILITY:
if (strategy == STRATEGY_ACCESSIBILITY) {
// do not route accessibility prompts to a digital output currently configured with a
// compressed format as they would likely not be mixed and dropped.
for (size_t i = 0; i < outputs.size(); i++) {
sp<AudioOutputDescriptor> desc = outputs.valueAt(i);
audio_devices_t devices = desc->device() &
(AUDIO_DEVICE_OUT_HDMI | AUDIO_DEVICE_OUT_SPDIF | AUDIO_DEVICE_OUT_HDMI_ARC);
if (desc->isActive() && !audio_is_linear_pcm(desc->mFormat) &&
devices != AUDIO_DEVICE_NONE) {
availableOutputDevicesType = availableOutputDevices.types() & ~devices;
}
}
}
// FALL THROUGH
case STRATEGY_REROUTING:
case STRATEGY_MEDIA: {
uint32_t device2 = AUDIO_DEVICE_NONE;
if (strategy != STRATEGY_SONIFICATION) {
// no sonification on remote submix (e.g. WFD)
if (availableOutputDevices.getDevice(AUDIO_DEVICE_OUT_REMOTE_SUBMIX, String8("0")) != 0) {
device2 = availableOutputDevices.types() & AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
}
}
if (isInCall() && (strategy == STRATEGY_MEDIA)) {
device = getDeviceForStrategy(STRATEGY_PHONE);
break;
}
if ((device2 == AUDIO_DEVICE_NONE) &&
(mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) &&
(outputs.getA2dpOutput() != 0)) {
device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
if (device2 == AUDIO_DEVICE_NONE) {
device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
}
if (device2 == AUDIO_DEVICE_NONE) {
device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
}
}
if ((device2 == AUDIO_DEVICE_NONE) &&
(mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] == AUDIO_POLICY_FORCE_SPEAKER)) {
device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER;
}
if (device2 == AUDIO_DEVICE_NONE) {
device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
}
if (device2 == AUDIO_DEVICE_NONE) {
device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_LINE;
}
if (device2 == AUDIO_DEVICE_NONE) {
device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_WIRED_HEADSET;
}
if (device2 == AUDIO_DEVICE_NONE) {
device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_ACCESSORY;
}
if (device2 == AUDIO_DEVICE_NONE) {
device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_DEVICE;
}
if (device2 == AUDIO_DEVICE_NONE) {
device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
}
if ((device2 == AUDIO_DEVICE_NONE) && (strategy != STRATEGY_SONIFICATION)) {
// no sonification on aux digital (e.g. HDMI)
device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_AUX_DIGITAL;
}
if ((device2 == AUDIO_DEVICE_NONE) &&
(mForceUse[AUDIO_POLICY_FORCE_FOR_DOCK] == AUDIO_POLICY_FORCE_ANALOG_DOCK)) {
device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
}
if (device2 == AUDIO_DEVICE_NONE) {
device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER;
}
int device3 = AUDIO_DEVICE_NONE;
if (strategy == STRATEGY_MEDIA) {
// ARC, SPDIF and AUX_LINE can co-exist with others.
device3 = availableOutputDevicesType & AUDIO_DEVICE_OUT_HDMI_ARC;
device3 |= (availableOutputDevicesType & AUDIO_DEVICE_OUT_SPDIF);
device3 |= (availableOutputDevicesType & AUDIO_DEVICE_OUT_AUX_LINE);
}
device2 |= device3;
// device is DEVICE_OUT_SPEAKER if we come from case STRATEGY_SONIFICATION or
// STRATEGY_ENFORCED_AUDIBLE, AUDIO_DEVICE_NONE otherwise
device |= device2;
// If hdmi system audio mode is on, remove speaker out of output list.
if ((strategy == STRATEGY_MEDIA) &&
(mForceUse[AUDIO_POLICY_FORCE_FOR_HDMI_SYSTEM_AUDIO] ==
AUDIO_POLICY_FORCE_HDMI_SYSTEM_AUDIO_ENFORCED)) {
device &= ~AUDIO_DEVICE_OUT_SPEAKER;
}
if (device) break;
device = mApmObserver->getDefaultOutputDevice()->type();
if (device == AUDIO_DEVICE_NONE) {
ALOGE("getDeviceForStrategy() no device found for STRATEGY_MEDIA");
}
} break;
default:
ALOGW("getDeviceForStrategy() unknown strategy: %d", strategy);
break;
}
ALOGVV("getDeviceForStrategy() strategy %d, device %x", strategy, device);
return device;
}
uint32_t AudioPolicyManager::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
if (mPhoneState == AudioSystem::MODE_RINGTONE)
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
if (device) break;
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
if (mPhoneState == AudioSystem::MODE_IN_CALL) {
device = DEVICE_OUT_SPEAKER_IN_CALL;
if (device) break;
}
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
if (device == 0) {
LOGE("getDeviceForStrategy() speaker device not found");
}
break;
}
break;
case STRATEGY_SONIFICATION:
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_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;
}
case STRATEGY_MEDIA: {
#ifdef HAVE_FM_RADIO
uint32_t device2 = 0;
if (mForceUse[AudioSystem::FOR_MEDIA] == AudioSystem::FORCE_SPEAKER) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_AUX_DIGITAL;
}
#else
uint32_t device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_AUX_DIGITAL;
#endif
#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_WIRED_HEADPHONE;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_EARPIECE;
}
// device is DEVICE_OUT_SPEAKER if we come from case STRATEGY_SONIFICATION, 0 otherwise
device = device ? device : device2;
if (device == 0) {
LOGE("getDeviceForStrategy() speaker device not found");
}
#ifdef HAVE_FM_RADIO
if (mAvailableOutputDevices & AudioSystem::DEVICE_OUT_FM_ALL) {
device |= AudioSystem::DEVICE_OUT_FM_ALL;
}
#endif
// Do not play media stream if in call and the requested device would change the hardware
// output routing
if (mPhoneState == AudioSystem::MODE_IN_CALL &&
!AudioSystem::isA2dpDevice((AudioSystem::audio_devices)device) &&
device != getDeviceForStrategy(STRATEGY_PHONE)) {
device = 0;
LOGV("getDeviceForStrategy() incompatible media and phone devices");
}
} break;
default:
LOGW("getDeviceForStrategy() unknown strategy: %d", strategy);
break;
}
LOGV("getDeviceForStrategy() strategy %d, device %x", strategy, device);
return device;
}
uint32_t AudioPolicyManager::getDeviceForStrategy(routing_strategy strategy, bool fromCache)
{
uint32_t device = 0;
if (fromCache) {
device = mDeviceForStrategy[strategy];
LOGV("getDeviceForStrategy() from cache strategy %d, device %x", strategy, device);
return device;
}
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;
}
// otherwise (not docked) continue with selection
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
// when not in call:
if (mPhoneState != AudioSystem::MODE_IN_CALL) {
// - if we are docked to a BT CAR dock, give A2DP preference over earpiece
// - if we are docked to a BT DESK dock, give speaker preference over earpiece
if (mForceUse[AudioSystem::FOR_DOCK] == AudioSystem::FORCE_BT_CAR_DOCK) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP;
} else if (mForceUse[AudioSystem::FOR_DOCK] == AudioSystem::FORCE_BT_DESK_DOCK) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
}
if (device) break;
// - phone strategy should route STREAM_VOICE_CALL to A2DP
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
if (device) break;
}
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADPHONE;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET;
if (device) break;
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;
}
// when not in call:
if (mPhoneState != AudioSystem::MODE_IN_CALL) {
// - if we are docked to a BT CAR dock, give A2DP preference over phone spkr
if (mForceUse[AudioSystem::FOR_DOCK] == AudioSystem::FORCE_BT_CAR_DOCK) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP;
if (device) break;
}
// - phone strategy should route STREAM_VOICE_CALL to A2DP speaker
// when forcing to speaker output
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
if (device) break;
}
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;
}
// If not incall:
// - if we are docked to a BT CAR dock, don't duplicate for the sonification strategy
// - if we are docked to a BT DESK dock, use only speaker for the sonification strategy
if (mForceUse[AudioSystem::FOR_DOCK] != AudioSystem::FORCE_BT_CAR_DOCK) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
if (device == 0) {
LOGE("getDeviceForStrategy() speaker device not found");
}
if (mForceUse[AudioSystem::FOR_DOCK] == AudioSystem::FORCE_BT_DESK_DOCK) {
if (mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADPHONE) {
device |= AudioSystem::DEVICE_OUT_WIRED_HEADPHONE;
} else if (mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET) {
device |= AudioSystem::DEVICE_OUT_WIRED_HEADSET;
}
break;
}
} else {
device = 0;
}
// The second device used for sonification is the same as the device used by media strategy
// Note that when docked, we pick the device below (no duplication)
// FALL THROUGH
case STRATEGY_MEDIA: {
uint32_t device2 = 0;
if (mForceUse[AudioSystem::FOR_MEDIA] == AudioSystem::FORCE_SPEAKER) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_AUX_DIGITAL;
}
#ifdef WITH_A2DP
if (mA2dpOutput != 0) {
if (device2 == 0) {
// play ringtone over speaker (or speaker + headset) if in car dock
// because A2DP is suspended in this case
if (mForceUse[AudioSystem::FOR_DOCK] == AudioSystem::FORCE_BT_CAR_DOCK &&
strategy == STRATEGY_SONIFICATION &&
mPhoneState == AudioSystem::MODE_RINGTONE) {
device2 = mAvailableOutputDevices &
(AudioSystem::DEVICE_OUT_SPEAKER |
AudioSystem::DEVICE_OUT_WIRED_HEADPHONE |
AudioSystem::DEVICE_OUT_WIRED_HEADSET);
}
}
}
#endif
#ifdef WITH_A2DP
if (mA2dpOutput != 0) {
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_WIRED_HEADPHONE;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET;
}
if (device2 == 0) {
device = 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");
}
// Do not play media stream if in call and the requested device would change the hardware
// output routing
if (mPhoneState == AudioSystem::MODE_IN_CALL &&
!AudioSystem::isA2dpDevice((AudioSystem::audio_devices)device) &&
device != getDeviceForStrategy(STRATEGY_PHONE, false)) {
device = 0;
LOGV("getDeviceForStrategy() incompatible media and phone devices");
}
} break;
default:
LOGW("getDeviceForStrategy() unknown strategy: %d", strategy);
break;
}
LOGV("getDeviceForStrategy() strategy %d, device %x", strategy, device);
return device;
}
audio_devices_t AudioPolicyManager::getDeviceForStrategy(routing_strategy strategy, bool fromCache)
{
uint32_t device = 0;
if (fromCache) {
device = mDeviceForStrategy[strategy];
ALOGV("getDeviceForStrategy() from cache strategy %d, device %x", strategy, device);
return (audio_devices_t)device;
}
switch (strategy) {
case STRATEGY_DTMF:
if (!isInCall()) {
// 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 (!isInCall() || strategy != STRATEGY_DTMF) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
if (device) break;
}
// otherwise (not docked) continue with selection
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;
// when not in call:
if (!isInCall()) {
// - if we are docked to a BT CAR dock, give A2DP preference over earpiece
// - if we are docked to a BT DESK dock, give speaker preference over earpiece
if (mForceUse[AudioSystem::FOR_DOCK] == AudioSystem::FORCE_BT_CAR_DOCK) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP;
} else if (mForceUse[AudioSystem::FOR_DOCK] == AudioSystem::FORCE_BT_DESK_DOCK) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
}
if (device) break;
// - phone strategy should route STREAM_VOICE_CALL to A2DP
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
if (device) break;
}
/*
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_EARPIECE;
if (device == 0) {
ALOGE ("getDeviceForStrategy() earpiece device not found");
}
*/
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
if (device == 0) {
ALOGE ("getDeviceForStrategy() speaker device not found");
}
break;
case AudioSystem::FORCE_SPEAKER:
if (!isInCall() || strategy != STRATEGY_DTMF) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
if (device) break;
}
// when not in call:
if (!isInCall()) {
// - if we are docked to a BT CAR dock, give A2DP preference over phone spkr
if (mForceUse[AudioSystem::FOR_DOCK] == AudioSystem::FORCE_BT_CAR_DOCK) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP;
if (device) break;
}
// - phone strategy should route STREAM_VOICE_CALL to A2DP speaker
// when forcing to speaker output
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
if (device) break;
}
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
if (device == 0) {
ALOGE ("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 (isInCall()) {
device = getDeviceForStrategy(STRATEGY_PHONE, false);
break;
}
// If not incall:
// - if we are docked to a BT CAR dock, don't duplicate for the sonification strategy
// - if we are docked to a BT DESK dock, use only speaker for the sonification strategy
if (mForceUse[AudioSystem::FOR_DOCK] != AudioSystem::FORCE_BT_CAR_DOCK) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
if (device == 0) {
ALOGE ("getDeviceForStrategy() speaker device not found");
}
if (mForceUse[AudioSystem::FOR_DOCK] == AudioSystem::FORCE_BT_DESK_DOCK) {
if (mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADPHONE) {
device |= AudioSystem::DEVICE_OUT_WIRED_HEADPHONE;
} else if (mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET) {
device |= AudioSystem::DEVICE_OUT_WIRED_HEADSET;
}
break;
}
} else {
device = 0;
}
// The second device used for sonification is the same as the device used by media strategy
// Note that when docked, we pick the device below (no duplication)
// FALL THROUGH
case STRATEGY_MEDIA: {
uint32_t device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_AUX_DIGITAL;
#ifdef WITH_A2DP
if (mHasA2dp && (mForceUse[AudioSystem::FOR_MEDIA] != AudioSystem::FORCE_NO_BT_A2DP) && (getA2dpOutput() != 0) && !mA2dpSuspended) {
if (device2 == 0) {
// play ringtone over speaker (or speaker + headset) if in car dock
// because A2DP is suspended in this case
if (mForceUse[AudioSystem::FOR_DOCK] == AudioSystem::FORCE_BT_CAR_DOCK &&
strategy == STRATEGY_SONIFICATION &&
mPhoneState == AudioSystem::MODE_RINGTONE) {
device2 = mAvailableOutputDevices &
(AudioSystem::DEVICE_OUT_SPEAKER |
AudioSystem::DEVICE_OUT_WIRED_HEADPHONE |
AudioSystem::DEVICE_OUT_WIRED_HEADSET);
}
}
}
#endif
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADPHONE;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET;
}
#ifdef WITH_A2DP
if (mHasA2dp && (mForceUse[AudioSystem::FOR_MEDIA] != AudioSystem::FORCE_NO_BT_A2DP) && (getA2dpOutput() != 0) && !mA2dpSuspended) {
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) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
}
// device is DEVICE_OUT_SPEAKER if we come from case STRATEGY_SONIFICATION, 0 otherwise
device |= device2;
if (device == 0) {
ALOGE ("getDeviceForStrategy() speaker device not found");
}
// Do not play media stream if in call and the requested device would change the hardware
// output routing
if (isInCall() &&
!AudioSystem::isA2dpDevice((AudioSystem::audio_devices)device) &&
device != getDeviceForStrategy(STRATEGY_PHONE, false)) {
device = 0;
ALOGV("getDeviceForStrategy() incompatible media and phone devices");
}
} break;
case STRATEGY_ENFORCED_AUDIBLE:
// strategy STRATEGY_ENFORCED_AUDIBLE uses same routing policy as STRATEGY_SONIFICATION
// except:
// - when in call where it doesn't default to STRATEGY_PHONE behavior
// - in countries where not enforced in which case it follows STRATEGY_MEDIA
if (strategy == STRATEGY_SONIFICATION ||
!mStreams[AUDIO_STREAM_ENFORCED_AUDIBLE].mCanBeMuted) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
if (device == 0) {
ALOGE("getDeviceForStrategy() speaker device not found for STRATEGY_SONIFICATION");
}
}
case STRATEGY_SONIFICATION_RESPECTFUL:
if (isInCall()) {
device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/);
} else if (isStreamActive(AudioSystem::MUSIC, SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY)) {
// while media is playing (or has recently played), use the same device
device = getDeviceForStrategy(STRATEGY_MEDIA, false /*fromCache*/);
} else {
// when media is not playing anymore, fall back on the sonification behavior
device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/);
}
break;
default:
ALOGW("getDeviceForStrategy() unknown strategy: %d", strategy);
break;
}
ALOGV("getDeviceForStrategy() strategy %d, device %x", strategy, device);
return (audio_devices_t)device;
}
void AudioPolicyManager::setPhoneState(int state) {
ALOGV("setPhoneState() state %d", state);
audio_devices_t newDevice = AUDIO_DEVICE_NONE;
if (state < 0 || state >= AudioSystem::NUM_MODES) {
ALOGW("setPhoneState() invalid state %d", state);
return;
}
if (state == mPhoneState) {
ALOGW("setPhoneState() setting same state %d", state);
return;
}
// if leaving call state, handle special case of active streams
// pertaining to sonification strategy see handleIncallSonification()
if (isInCall()) {
ALOGV("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 (!isStateInCall(oldState) && isStateInCall(state)) {
ALOGV(" 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 (isStateInCall(oldState) && !isStateInCall(state)) {
ALOGV(" Exiting call in setPhoneState()");
// force routing command to audio hardware when exiting a call
// even if no device change is needed
force = true;
} else if (isStateInCall(state) && (state != oldState)) {
ALOGV(" Switching between telephony and VoIP in setPhoneState()");
// force routing command to audio hardware when switching between telephony and VoIP
// even if no device change is needed
force = true;
}
// check for device and output changes triggered by new phone state
newDevice = getNewDevice(mPrimaryOutput, false /*fromCache*/);
checkA2dpSuspend();
checkOutputForAllStrategies();
updateDevicesAndOutputs();
AudioOutputDescriptor *hwOutputDesc = mOutputs.valueFor(mPrimaryOutput);
// force routing command to audio hardware when ending call
// even if no device change is needed
if (isStateInCall(oldState) && newDevice == AUDIO_DEVICE_NONE) {
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 (isStateInCall(state) && 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, mPrimaryOutput);
}
if (isStateInCall(state)) {
for (size_t i = 0; i < mOutputs.size(); i++) {
AudioOutputDescriptor *desc = mOutputs.valueAt(i);
//take the biggest latency for all outputs
if (delayMs < desc->mLatency*2) {
delayMs = desc->mLatency*2;
}
//mute STRATEGY_MEDIA on all outputs
if (desc->strategyRefCount(STRATEGY_MEDIA) != 0) {
setStrategyMute(STRATEGY_MEDIA, true, mOutputs.keyAt(i));
setStrategyMute(STRATEGY_MEDIA, false, mOutputs.keyAt(i), MUTE_TIME_MS,
getDeviceForStrategy(STRATEGY_MEDIA, true /*fromCache*/));
}
}
}
// Ignore the delay to enable voice call on this target as the enabling the
// voice call has enough delay to make sure the ringtone audio completely
// played out
if (state == AudioSystem::MODE_IN_CALL && oldState == AudioSystem::MODE_RINGTONE) {
delayMs = 40;
}
// change routing is necessary
setOutputDevice(mPrimaryOutput, newDevice, force, delayMs);
// if entering in call state, handle special case of active streams
// pertaining to sonification strategy see handleIncallSonification()
if (isStateInCall(state)) {
ALOGV("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, mPrimaryOutput, 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 &&
isStreamActive(AudioSystem::MUSIC, SONIFICATION_HEADSET_MUSIC_DELAY)) {
mLimitRingtoneVolume = true;
} else {
mLimitRingtoneVolume = false;
}
}
uint32_t AudioPolicyManagerALSA::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;
//[email protected] myoung_loopback
case AudioSystem::FORCE_RCV:
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_EARPIECE;
if (device == 0) {
LOGE("getDeviceForStrategy() earpiece device not found");
}
break;
//myoung_loopback
}
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;
//jungsoo1221.lee - Folder Test -------------------
if(mForceUse[AudioSystem::FOR_MEDIA] == AudioSystem::FORCE_RCV){
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_EARPIECE;
}
//------------------------------------------
#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
// Once SCO connection is connected, map strategy_media to
// SCO headset for music streaming. BT SCO MM_UL use case
if (mForceUse[AudioSystem::FOR_COMMUNICATION] == AudioSystem::FORCE_BT_SCO) {
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO;
}
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADPHONE;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET;
}
/* LGE_CHANGE_S [email protected] 2010.01.27 */
#ifdef SUPPORT_FM_ANALOG
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_FM_TRANSMIT;
}
#endif // SUPPORT_FM_ANALOG
/* LGE_CHANGE_E [email protected] 2010.01.27 */
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;
}
status_t AudioPolicyManagerALSA::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);
// force routing if device disconnection occurs when stream is stopped
if ((newDevice == 0) && (state == AudioSystem::DEVICE_STATE_UNAVAILABLE))
newDevice = getDeviceForStrategy(STRATEGY_MEDIA, false);
#ifdef WITH_A2DP
//+++ KBNAM_PORTING
/* org
checkOutputForAllStrategies(newDevice);
*/
checkOutputForAllStrategies();
//---
// 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());
}
}
else {
/* LGE_CHANGE_S [email protected] 2010.01.27 */
#ifdef SUPPORT_FM_ANALOG
if (device == AudioSystem::DEVICE_IN_FM_ANALOG) {
routing_strategy strategy = getStrategy((AudioSystem::stream_type)3);
uint32_t curOutdevice = getDeviceForStrategy(strategy);
/* If A2DP headset is connected then route FM to Headset */
if (curOutdevice == AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP ||
curOutdevice == AudioSystem::DEVICE_OUT_BLUETOOTH_SCO) {
curOutdevice = AudioSystem::DEVICE_OUT_WIRED_HEADSET;
}
if (state) {
// routing_strategy strategy = getStrategy((AudioSystem::stream_type)3);
// uint32_t curOutdevice = getDeviceForStrategy(strategy);
/* Get the new input descriptor for FM Rx In */
mfmInput = getFMInput(AUDIO_SOURCE_FM_ANALOG,8000,1,
AudioSystem::CHANNEL_IN_MONO,(AudioSystem::audio_in_acoustics)7);
/* Forcely open the current output device again for
* FM Rx playback path to open
*/
LOGV("curOutdevice = %x",curOutdevice);
setOutputDevice(mHardwareOutput, curOutdevice, true);
/* Tell the audio flinger playback thread that
* FM Rx is active
*/
mpClientInterface->setFMRxActive(true);
} else {
int newDevice=0;
AudioParameter param = AudioParameter();
param.addInt(String8(AudioParameter::keyRouting), (int)newDevice);
/* Change the input device from FM to default before releasing Input */
mpClientInterface->setParameters(mfmInput, param.toString());
param.addInt(String8("fm_off"), (int)newDevice);
/* Close the capture handle */
mpClientInterface->setParameters(mfmInput, param.toString());
/* Release the input descriptor for FM Rx In */
releaseInput(mfmInput);
/* Close the playback handle */
mpClientInterface->setParameters(mHardwareOutput, param.toString());
/* Tell the audio flinger playback thread that
* FM Rx is not active now.
*/
mpClientInterface->setFMRxActive(false);
}
}
#endif // SUPPORT_FM_ANALOG
/* LGE_CHANGE_E [email protected] 2010.01.27 */
}
return NO_ERROR;
}
LOGW("setDeviceConnectionState() invalid device: %x", device);
return BAD_VALUE;
}
status_t AudioPolicyManager::checkAndSetVolume(int stream, int index, audio_io_handle_t output, uint32_t device, int delayMs, bool force)
{
#ifdef WITH_QCOM_LPA
// do not change actual stream volume if the stream is muted
if ((mOutputs.valueFor(output)->mMuteCount[stream] != 0 && output != mLPADecodeOutput) ||
(output == mLPADecodeOutput && stream == mLPAStreamType && mLPAMuted == true)) {
#else
if (mOutputs.valueFor(output)->mMuteCount[stream] != 0) {
#endif
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]) || (stream == AudioSystem::VOICE_CALL)
#ifdef FM_RADIO
|| (stream == AudioSystem::FM)
#endif
|| force) {
mOutputs.valueFor(output)->mCurVolume[stream] = volume;
LOGD("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);
}
#ifdef FM_RADIO
} else if (stream == AudioSystem::FM) {
float fmVolume = -1.0;
fmVolume = computeVolume(stream, index, output, device);
if (fmVolume >= 0) {
if(output == mHardwareOutput)
mpClientInterface->setFmVolume(fmVolume, delayMs);
else if(output == mA2dpOutput)
mpClientInterface->setStreamVolume((AudioSystem::stream_type)stream, volume, output, delayMs);
}
return NO_ERROR;
#endif
}
mpClientInterface->setStreamVolume((AudioSystem::stream_type)stream, volume, output, delayMs);
}
return NO_ERROR;
}
void AudioPolicyManager::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) {
#ifdef WITH_QCOM_LPA
if ((outputDesc->mMuteCount[stream] == 0 && output != mLPADecodeOutput) ||
(output == mLPADecodeOutput && stream == mLPAStreamType && false == mLPAMuted)) {
#else
if (outputDesc->mMuteCount[stream] == 0) {
#endif
if (streamDesc.mCanBeMuted) {
checkAndSetVolume(stream, 0, output, outputDesc->device(), delayMs);
}
}
#ifdef WITH_QCOM_LPA
// increment mMuteCount after calling checkAndSetVolume() so that volume change is not ignored
if(output == mLPADecodeOutput) {
if(stream == mLPAStreamType && false == mLPAMuted) {
mLPAMuted = true;
}
} else {
#endif
outputDesc->mMuteCount[stream]++;
#ifdef WITH_QCOM_LPA
}
#endif
} else {
#ifdef WITH_QCOM_LPA
if ((outputDesc->mMuteCount[stream] == 0 && output != mLPADecodeOutput) ||
(output == mLPADecodeOutput && stream == mLPAStreamType && false == mLPAMuted)) {
#else
if (outputDesc->mMuteCount[stream] == 0) {
#endif
LOGW("setStreamMute() unmuting non muted stream!");
return;
}
#ifdef WITH_QCOM_LPA
if(output == mLPADecodeOutput) {
if(stream == mLPAStreamType && true == mLPAMuted) {
mLPAMuted = false;
checkAndSetVolume(stream, streamDesc.mIndexCur, output, outputDesc->device(), delayMs);
}
} else {
if(--outputDesc->mMuteCount[stream] == 0){
checkAndSetVolume(stream, streamDesc.mIndexCur, output, outputDesc->device(), delayMs);
}
}
#else
if(--outputDesc->mMuteCount[stream] == 0){
checkAndSetVolume(stream, streamDesc.mIndexCur, output, outputDesc->device(), delayMs);
}
#endif
}
}
void AudioPolicyManager::setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config)
{
LOGD("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 &&
config != AudioSystem::FORCE_SPEAKER) {
LOGW("setForceUse() invalid config %d for FOR_MEDIA", config);
return;
}
mForceUse[usage] = config;
{
uint32_t device = getDeviceForStrategy(STRATEGY_MEDIA);
setOutputDevice(mHardwareOutput, device);
}
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();
#endif
updateDeviceForStrategy();
setOutputDevice(mHardwareOutput, newDevice);
if (forceVolumeReeval) {
applyStreamVolumes(mHardwareOutput, newDevice);
}
}
uint32_t AudioPolicyManager::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;
#ifdef QCOM_ANC
} else if (mAvailableInputDevices & AudioSystem::DEVICE_IN_ANC_HEADSET) {
device = AudioSystem::DEVICE_IN_ANC_HEADSET;
#endif
} else {
device = AudioSystem::DEVICE_IN_BUILTIN_MIC;
}
break;
case AUDIO_SOURCE_VOICE_COMMUNICATION:
device = AudioSystem::DEVICE_IN_COMMUNICATION;
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;
#ifdef FM_RADIO
case AUDIO_SOURCE_FM_RX:
device = AudioSystem::DEVICE_IN_FM_RX;
break;
case AUDIO_SOURCE_FM_RX_A2DP:
device = AudioSystem::DEVICE_IN_FM_RX_A2DP;
break;
#endif
default:
LOGW("getInput() invalid input source %d", inputSource);
device = 0;
break;
}
LOGV("getDeviceForInputSource()input source %d, device %08x", inputSource, device);
return device;
}
void AudioPolicyManager::setPhoneState(int state)
{
LOGD("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 (isInCall()) {
LOGV("setPhoneState() in call state management: new state is %d", state);
for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) {
AudioPolicyManagerBase::handleIncallSonification(stream, false, true);
}
}
// store previous phone state for management of sonification strategy below
int oldState = mPhoneState;
mPhoneState = state;
// force routing command to audio hardware when starting call
// even if no device change is needed
bool force = (mPhoneState == AudioSystem::MODE_IN_CALL);
// are we entering or starting a call
if (!isStateInCall(oldState) && isStateInCall(state)) {
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 (isStateInCall(oldState) && (state == AudioSystem::MODE_NORMAL)) {
LOGV(" Exiting call in setPhoneState()");
// force routing command to audio hardware when exiting a call
// even if no device change is needed
force = true;
} else if (isStateInCall(state) && (state != oldState)) {
LOGV(" Switching between telephony and VoIP in setPhoneState()");
// force routing command to audio hardware when switching between telephony and VoIP
// even if no device change is needed
force = true;
}
// check for device and output changes triggered by new phone state
newDevice = AudioPolicyManagerBase::getNewDevice(mHardwareOutput, false);
#ifdef WITH_QCOM_LPA
if (newDevice == 0 && (mLPADecodeOutput != -1 &&
mOutputs.valueFor(mLPADecodeOutput)->isUsedByStrategy(STRATEGY_MEDIA))) {
newDevice = getDeviceForStrategy(STRATEGY_MEDIA, false);
}
#endif
#ifdef WITH_A2DP
AudioPolicyManagerBase::checkOutputForAllStrategies();
// 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
AudioPolicyManagerBase::updateDeviceForStrategy();
AudioOutputDescriptor *hwOutputDesc = mOutputs.valueFor(mHardwareOutput);
// force routing command to audio hardware when ending call
// even if no device change is needed
if (isStateInCall(oldState) && newDevice == 0) {
newDevice = hwOutputDesc->device();
if(state == AudioSystem::MODE_NORMAL) {
force = true;
}
}
// 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 (isStateInCall(state) && 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 (isStateInCall(state)) {
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++) {
AudioPolicyManagerBase::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() - hwOutputDesc->mStopTime[AudioSystem::MUSIC]) < seconds(SONIFICATION_HEADSET_MUSIC_DELAY))) {
// (systemTime() - mMusicStopTime) < seconds(SONIFICATION_HEADSET_MUSIC_DELAY))) {
mLimitRingtoneVolume = true;
} else {
mLimitRingtoneVolume = false;
}
}
status_t AudioPolicyManager::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 = AudioPolicyManagerBase::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 = AudioPolicyManagerBase::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 = AudioPolicyManagerBase::getNewDevice(mHardwareOutput, false);
#ifdef WITH_QCOM_LPA
if(newDevice == 0 && mLPADecodeOutput != -1) {
newDevice = AudioPolicyManagerBase::getNewDevice(mLPADecodeOutput, false);
}
#endif
#ifdef FM_RADIO
if(device == AudioSystem::DEVICE_OUT_FM) {
if (state == AudioSystem::DEVICE_STATE_AVAILABLE) {
mOutputs.valueFor(mHardwareOutput)->changeRefCount(AudioSystem::FM, 1);
}
else {
mOutputs.valueFor(mHardwareOutput)->changeRefCount(AudioSystem::FM, -1);
}
if(newDevice == 0){
newDevice = getDeviceForStrategy(STRATEGY_MEDIA, false);
}
}
#endif
#ifdef QCOM_ANC
if(device == AudioSystem::DEVICE_OUT_ANC_HEADPHONE ||
device == AudioSystem::DEVICE_OUT_ANC_HEADSET) {
if(newDevice == 0){
newDevice = getDeviceForStrategy(STRATEGY_MEDIA, false);
}
}
#endif
#ifdef WITH_A2DP
AudioPolicyManagerBase::checkOutputForAllStrategies();
// A2DP outputs must be closed after checkOutputForAllStrategies() is executed
if (state == AudioSystem::DEVICE_STATE_UNAVAILABLE && AudioSystem::isA2dpDevice(device)) {
AudioPolicyManagerBase::closeA2dpOutputs();
}
#endif
AudioPolicyManagerBase::updateDeviceForStrategy();
#ifdef WITH_QCOM_LPA
if(mLPADecodeOutput != -1)
setOutputDevice(mLPADecodeOutput, newDevice);
#endif
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;
#ifdef QCOM_ANC
} else if(device == AudioSystem::DEVICE_OUT_ANC_HEADSET){
device = AudioSystem::DEVICE_IN_ANC_HEADSET; //wait for actual ANC device
#endif
} 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 = AudioPolicyManagerBase::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;
}