/**
* Supported Sampling Frequncies.
*/
bool
WebrtcAudioConduit::IsSamplingFreqSupported(int freq) const
{
if(GetNum10msSamplesForFrequency(freq))
{
return true;
} else {
return false;
}
}
MediaConduitErrorCode
WebrtcAudioConduit::GetAudioFrame(int16_t speechData[],
int32_t samplingFreqHz,
int32_t capture_delay,
int& lengthSamples)
{
CSFLogDebug(logTag, "%s ", __FUNCTION__);
unsigned int numSamples = 0;
//validate params
if(!speechData )
{
CSFLogError(logTag,"%s Null Audio Buffer Pointer", __FUNCTION__);
MOZ_ASSERT(PR_FALSE);
return kMediaConduitMalformedArgument;
}
// Validate sample length
if((numSamples = GetNum10msSamplesForFrequency(samplingFreqHz)) == 0 )
{
CSFLogError(logTag,"%s Invalid Sampling Frequency ", __FUNCTION__);
MOZ_ASSERT(PR_FALSE);
return kMediaConduitMalformedArgument;
}
//validate capture time
if(capture_delay < 0 )
{
CSFLogError(logTag,"%s Invalid Capture Delay ", __FUNCTION__);
MOZ_ASSERT(PR_FALSE);
return kMediaConduitMalformedArgument;
}
//Conduit should have reception enabled before we ask for decoded
// samples
if(!mEngineReceiving)
{
CSFLogError(logTag, "%s Engine not Receiving ", __FUNCTION__);
return kMediaConduitSessionNotInited;
}
lengthSamples = 0; //output paramter
if(mPtrVoEXmedia->ExternalPlayoutGetData( speechData,
samplingFreqHz,
capture_delay,
lengthSamples) == -1)
{
int error = mPtrVoEBase->LastError();
CSFLogError(logTag, "%s Getting audio data Failed %d", __FUNCTION__, error);
if(error == VE_RUNTIME_PLAY_ERROR)
{
return kMediaConduitPlayoutError;
}
return kMediaConduitUnknownError;
}
// Not #ifdef DEBUG or on a log module so we can use it for about:webrtc/etc
mSamples += lengthSamples;
if (mSamples >= mLastSyncLog + samplingFreqHz) {
int jitter_buffer_delay_ms;
int playout_buffer_delay_ms;
int avsync_offset_ms;
if (GetAVStats(&jitter_buffer_delay_ms,
&playout_buffer_delay_ms,
&avsync_offset_ms)) {
#ifdef MOZILLA_INTERNAL_API
if (avsync_offset_ms < 0) {
Telemetry::Accumulate(Telemetry::WEBRTC_AVSYNC_WHEN_VIDEO_LAGS_AUDIO_MS,
-avsync_offset_ms);
} else {
Telemetry::Accumulate(Telemetry::WEBRTC_AVSYNC_WHEN_AUDIO_LAGS_VIDEO_MS,
avsync_offset_ms);
}
#endif
CSFLogError(logTag,
"A/V sync: sync delta: %dms, audio jitter delay %dms, playout delay %dms",
avsync_offset_ms, jitter_buffer_delay_ms, playout_buffer_delay_ms);
} else {
CSFLogError(logTag, "A/V sync: GetAVStats failed");
}
mLastSyncLog = mSamples;
}
#ifdef MOZILLA_INTERNAL_API
if (PR_LOG_TEST(GetLatencyLog(), PR_LOG_DEBUG)) {
if (mProcessing.Length() > 0) {
unsigned int now;
mPtrVoEVideoSync->GetPlayoutTimestamp(mChannel, now);
if (static_cast<uint32_t>(now) != mLastTimestamp) {
mLastTimestamp = static_cast<uint32_t>(now);
// Find the block that includes this timestamp in the network input
while (mProcessing.Length() > 0) {
// FIX! assumes 20ms @ 48000Hz
// FIX handle wrap-around
if (mProcessing[0].mRTPTimeStamp + 20*(48000/1000) >= now) {
TimeDuration t = TimeStamp::Now() - mProcessing[0].mTimeStamp;
// Wrap-around?
int64_t delta = t.ToMilliseconds() + (now - mProcessing[0].mRTPTimeStamp)/(48000/1000);
LogTime(AsyncLatencyLogger::AudioRecvRTP, ((uint64_t) this), delta);
break;
}
mProcessing.RemoveElementAt(0);
}
}
}
}
#endif
CSFLogDebug(logTag,"%s GetAudioFrame:Got samples: length %d ",__FUNCTION__,
lengthSamples);
return kMediaConduitNoError;
}
MediaConduitErrorCode
WebrtcAudioConduit::GetAudioFrame(int16_t speechData[],
int32_t samplingFreqHz,
int32_t capture_delay,
int& lengthSamples)
{
CSFLogDebug(logTag, "%s ", __FUNCTION__);
unsigned int numSamples = 0;
//validate params
if(!speechData )
{
CSFLogError(logTag,"%s Null Audio Buffer Pointer", __FUNCTION__);
MOZ_ASSERT(PR_FALSE);
return kMediaConduitMalformedArgument;
}
// Validate sample length
if((numSamples = GetNum10msSamplesForFrequency(samplingFreqHz)) == 0 )
{
CSFLogError(logTag,"%s Invalid Sampling Frequency ", __FUNCTION__);
MOZ_ASSERT(PR_FALSE);
return kMediaConduitMalformedArgument;
}
//validate capture time
if(capture_delay < 0 )
{
CSFLogError(logTag,"%s Invalid Capture Delay ", __FUNCTION__);
MOZ_ASSERT(PR_FALSE);
return kMediaConduitMalformedArgument;
}
//Conduit should have reception enabled before we ask for decoded
// samples
if(!mEngineReceiving)
{
CSFLogError(logTag, "%s Engine not Receiving ", __FUNCTION__);
return kMediaConduitSessionNotInited;
}
lengthSamples = 0; //output paramter
if(mPtrVoEXmedia->ExternalPlayoutGetData( speechData,
samplingFreqHz,
capture_delay,
lengthSamples) == -1)
{
int error = mPtrVoEBase->LastError();
CSFLogError(logTag, "%s Getting audio data Failed %d", __FUNCTION__, error);
if(error == VE_RUNTIME_PLAY_ERROR)
{
return kMediaConduitPlayoutError;
}
return kMediaConduitUnknownError;
}
CSFLogDebug(logTag,"%s GetAudioFrame:Got samples: length %d ",__FUNCTION__,
lengthSamples);
return kMediaConduitNoError;
}