void TestDeinterleaveAndConvert() {
size_t arraySize = 1024;
size_t maxChannels = 8; // 7.1
for (uint32_t channels = 1; channels < maxChannels; channels++) {
const SrcT* src = GetInterleavedChannelArray<SrcT>(channels, arraySize);
DstT** dst = GetPlanarArray<DstT>(channels, arraySize);
DeinterleaveAndConvertBuffer(src, arraySize, channels, dst);
for (size_t channel = 0; channel < channels; channel++) {
for (size_t i = 0; i < arraySize; i++) {
ASSERT_TRUE(FuzzyEqual(dst[channel][i],
FloatToAudioSample<DstT>(1. / (channel + 1))));
}
}
DeleteInterleavedChannelArray(src);
DeletePlanarArray(dst, channels);
}
}
void
MediaEngineWebRTCMicrophoneSource::InsertInGraph(const T* aBuffer,
size_t aFrames,
uint32_t aChannels)
{
if (mState != kStarted) {
return;
}
if (MOZ_LOG_TEST(AudioLogModule(), LogLevel::Debug)) {
mTotalFrames += aFrames;
if (mTotalFrames > mLastLogFrames + mSampleFrequency) { // ~ 1 second
MOZ_LOG(AudioLogModule(), LogLevel::Debug,
("%p: Inserting %zu samples into graph, total frames = %" PRIu64,
(void*)this, aFrames, mTotalFrames));
mLastLogFrames = mTotalFrames;
}
}
size_t len = mSources.Length();
for (size_t i = 0; i < len; i++) {
if (!mSources[i]) {
continue;
}
TimeStamp insertTime;
// Make sure we include the stream and the track.
// The 0:1 is a flag to note when we've done the final insert for a given input block.
LogTime(AsyncLatencyLogger::AudioTrackInsertion,
LATENCY_STREAM_ID(mSources[i].get(), mTrackID),
(i+1 < len) ? 0 : 1, insertTime);
// Bug 971528 - Support stereo capture in gUM
MOZ_ASSERT(aChannels == 1 || aChannels == 2,
"GraphDriver only supports mono and stereo audio for now");
nsAutoPtr<AudioSegment> segment(new AudioSegment());
RefPtr<SharedBuffer> buffer =
SharedBuffer::Create(aFrames * aChannels * sizeof(T));
AutoTArray<const T*, 8> channels;
if (aChannels == 1) {
PodCopy(static_cast<T*>(buffer->Data()), aBuffer, aFrames);
channels.AppendElement(static_cast<T*>(buffer->Data()));
} else {
channels.SetLength(aChannels);
AutoTArray<T*, 8> write_channels;
write_channels.SetLength(aChannels);
T * samples = static_cast<T*>(buffer->Data());
size_t offset = 0;
for(uint32_t i = 0; i < aChannels; ++i) {
channels[i] = write_channels[i] = samples + offset;
offset += aFrames;
}
DeinterleaveAndConvertBuffer(aBuffer,
aFrames,
aChannels,
write_channels.Elements());
}
MOZ_ASSERT(aChannels == channels.Length());
segment->AppendFrames(buffer.forget(), channels, aFrames,
mPrincipalHandles[i]);
segment->GetStartTime(insertTime);
mSources[i]->AppendToTrack(mTrackID, segment);
}
}
