bool
MediaEngineWebRTCMicrophoneSource::AllocChannel()
{
MOZ_ASSERT(mVoEBase);
mChannel = mVoEBase->CreateChannel();
if (mChannel >= 0) {
if (!mVoENetwork->RegisterExternalTransport(mChannel, *mNullTransport)) {
mSampleFrequency = MediaEngine::DEFAULT_SAMPLE_RATE;
LOG(("%s: sampling rate %u", __FUNCTION__, mSampleFrequency));
// Check for availability.
if (!mAudioInput->SetRecordingDevice(mCapIndex)) {
// Because of the permission mechanism of B2G, we need to skip the status
// check here.
bool avail = false;
mAudioInput->GetRecordingDeviceStatus(avail);
if (!avail) {
if (sChannelsOpen == 0) {
DeInitEngine();
}
return false;
}
// Set "codec" to PCM, 32kHz on device's channels
ScopedCustomReleasePtr<webrtc::VoECodec> ptrVoECodec(webrtc::VoECodec::GetInterface(mVoiceEngine));
if (ptrVoECodec) {
webrtc::CodecInst codec;
strcpy(codec.plname, ENCODING);
codec.channels = CHANNELS;
uint32_t maxChannels = 0;
if (mAudioInput->GetMaxAvailableChannels(maxChannels) == 0) {
codec.channels = maxChannels;
}
MOZ_ASSERT(mSampleFrequency == 16000 || mSampleFrequency == 32000);
codec.rate = SAMPLE_RATE(mSampleFrequency);
codec.plfreq = mSampleFrequency;
codec.pacsize = SAMPLE_LENGTH(mSampleFrequency);
codec.pltype = 0; // Default payload type
if (!ptrVoECodec->SetSendCodec(mChannel, codec)) {
mState = kAllocated;
sChannelsOpen++;
return true;
}
}
}
}
}
mVoEBase->DeleteChannel(mChannel);
mChannel = -1;
if (sChannelsOpen == 0) {
DeInitEngine();
}
return false;
}
bool
MediaEngineWebRTCMicrophoneSource::AllocChannel()
{
MOZ_ASSERT(mVoEBase);
mChannel = mVoEBase->CreateChannel();
if (mChannel < 0) {
return false;
}
if (mVoENetwork->RegisterExternalTransport(mChannel, *mNullTransport)) {
return false;
}
mSampleFrequency = MediaEngine::DEFAULT_SAMPLE_RATE;
LOG(("%s: sampling rate %u", __FUNCTION__, mSampleFrequency));
// Check for availability.
if (mAudioInput->SetRecordingDevice(mCapIndex)) {
return false;
}
#ifndef MOZ_B2G
// Because of the permission mechanism of B2G, we need to skip the status
// check here.
bool avail = false;
mAudioInput->GetRecordingDeviceStatus(avail);
if (!avail) {
return false;
}
#endif // MOZ_B2G
// Set "codec" to PCM, 32kHz on 1 channel
ScopedCustomReleasePtr<webrtc::VoECodec> ptrVoECodec(webrtc::VoECodec::GetInterface(mVoiceEngine));
if (!ptrVoECodec) {
return false;
}
webrtc::CodecInst codec;
strcpy(codec.plname, ENCODING);
codec.channels = CHANNELS;
MOZ_ASSERT(mSampleFrequency == 16000 || mSampleFrequency == 32000);
codec.rate = SAMPLE_RATE(mSampleFrequency);
codec.plfreq = mSampleFrequency;
codec.pacsize = SAMPLE_LENGTH(mSampleFrequency);
codec.pltype = 0; // Default payload type
if (!ptrVoECodec->SetSendCodec(mChannel, codec)) {
return true;
}
return false;
}
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;
}
}
