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::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);
}
}
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 = "";
}
}
} break;
default:
LOGE("setDeviceConnectionState() invalid state: %x", state);
return BAD_VALUE;
}
#ifdef HAVE_FM_RADIO
if (device == AudioSystem::DEVICE_OUT_FM) {
AudioOutputDescriptor *out = mOutputs.valueFor(mHardwareOutput);
if (state == AudioSystem::DEVICE_STATE_AVAILABLE) {
out->changeRefCount(AudioSystem::FM, 1);
if (out->mRefCount[AudioSystem::FM] > 0)
mpClientInterface->setParameters(0, String8("fm_on=1"));
}
else {
out->changeRefCount(AudioSystem::FM, -1);
if (out->mRefCount[AudioSystem::FM] <= 0)
mpClientInterface->setParameters(0, String8("fm_off=1"));
}
}
#endif
// request routing change if necessary
uint32_t newDevice = getNewDevice(mHardwareOutput, false);
#ifdef WITH_A2DP
checkA2dpSuspend();
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());
}
}
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;
}
