nsresult
MediaEngineWebRTCMicrophoneSource::Allocate(const dom::MediaTrackConstraints &aConstraints,
const MediaEnginePrefs &aPrefs,
const nsString& aDeviceId)
{
AssertIsOnOwningThread();
if (mState == kReleased) {
if (mInitDone) {
ScopedCustomReleasePtr<webrtc::VoEHardware> ptrVoEHw(webrtc::VoEHardware::GetInterface(mVoiceEngine));
if (!ptrVoEHw || ptrVoEHw->SetRecordingDevice(mCapIndex)) {
return NS_ERROR_FAILURE;
}
mState = kAllocated;
LOG(("Audio device %d allocated", mCapIndex));
} else {
LOG(("Audio device is not initalized"));
return NS_ERROR_FAILURE;
}
} else if (MOZ_LOG_TEST(GetMediaManagerLog(), LogLevel::Debug)) {
MonitorAutoLock lock(mMonitor);
if (mSources.IsEmpty()) {
LOG(("Audio device %d reallocated", mCapIndex));
} else {
LOG(("Audio device %d allocated shared", mCapIndex));
}
}
++mNrAllocations;
return NS_OK;
}
nsresult
MediaEngineWebRTCAudioSource::Allocate(const AudioTrackConstraintsN &aConstraints,
const MediaEnginePrefs &aPrefs)
{
if (mState == kReleased) {
if (mInitDone) {
ScopedCustomReleasePtr<webrtc::VoEHardware> ptrVoEHw(webrtc::VoEHardware::GetInterface(mVoiceEngine));
if (!ptrVoEHw || ptrVoEHw->SetRecordingDevice(mCapIndex)) {
return NS_ERROR_FAILURE;
}
mState = kAllocated;
LOG(("Audio device %d allocated", mCapIndex));
} else {
LOG(("Audio device is not initalized"));
return NS_ERROR_FAILURE;
}
} else {
#ifdef PR_LOGGING
MonitorAutoLock lock(mMonitor);
if (mSources.IsEmpty()) {
LOG(("Audio device %d reallocated", mCapIndex));
} else {
LOG(("Audio device %d allocated shared", mCapIndex));
}
#endif
}
return NS_OK;
}
void
MediaEngineWebRTCAudioSource::Init()
{
mVoEBase = webrtc::VoEBase::GetInterface(mVoiceEngine);
mVoEBase->Init();
mVoERender = webrtc::VoEExternalMedia::GetInterface(mVoiceEngine);
if (!mVoERender) {
return;
}
mVoENetwork = webrtc::VoENetwork::GetInterface(mVoiceEngine);
if (!mVoENetwork) {
return;
}
mVoEProcessing = webrtc::VoEAudioProcessing::GetInterface(mVoiceEngine);
if (!mVoEProcessing) {
return;
}
mChannel = mVoEBase->CreateChannel();
if (mChannel < 0) {
return;
}
mNullTransport = new NullTransport();
if (mVoENetwork->RegisterExternalTransport(mChannel, *mNullTransport)) {
return;
}
// Check for availability.
ScopedCustomReleasePtr<webrtc::VoEHardware> ptrVoEHw(webrtc::VoEHardware::GetInterface(mVoiceEngine));
if (!ptrVoEHw || ptrVoEHw->SetRecordingDevice(mCapIndex)) {
return;
}
#ifndef MOZ_B2G
// Because of the permission mechanism of B2G, we need to skip the status
// check here.
bool avail = false;
ptrVoEHw->GetRecordingDeviceStatus(avail);
if (!avail) {
return;
}
#endif // MOZ_B2G
// Set "codec" to PCM, 32kHz on 1 channel
ScopedCustomReleasePtr<webrtc::VoECodec> ptrVoECodec(webrtc::VoECodec::GetInterface(mVoiceEngine));
if (!ptrVoECodec) {
return;
}
webrtc::CodecInst codec;
strcpy(codec.plname, ENCODING);
codec.channels = CHANNELS;
codec.rate = SAMPLE_RATE;
codec.plfreq = SAMPLE_FREQUENCY;
codec.pacsize = SAMPLE_LENGTH;
codec.pltype = 0; // Default payload type
if (!ptrVoECodec->SetSendCodec(mChannel, codec)) {
mInitDone = true;
}
}