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repetition-with-fade seems good; continue testing

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wangyix 2014-08-11 17:58:01 -07:00
parent e276d15ed4
commit a31d53544b
4 changed files with 25 additions and 14 deletions
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1
assignment-client/src/audio/AudioMixer.cpp
View file

@ -649,7 +649,6 @@ void AudioMixer::run() {
}
// send mixed audio packet
if (nodeData->getOutgoingSequenceNumber() % 100 < 50)
nodeList->writeDatagram(clientMixBuffer, dataAt - clientMixBuffer, node);
nodeData->incrementOutgoingMixedAudioSequenceNumber();

19
interface/src/Audio.cpp
View file

@ -740,8 +740,11 @@ void Audio::addStereoSilenceToScope(int silentSamplesPerChannel) {
if (!_scopeEnabled || _scopeEnabledPause) {
return;
}
printf("\t Audio::addStereoSilenceToScope %d per channel\n", silentSamplesPerChannel);
addSilenceToScope(_scopeOutputLeft, _scopeOutputOffset, silentSamplesPerChannel);
_scopeOutputOffset = addSilenceToScope(_scopeOutputRight, _scopeOutputOffset, silentSamplesPerChannel);
printf("\t end\n");
}
void Audio::addStereoSamplesToScope(const QByteArray& samples) {
@ -750,29 +753,35 @@ void Audio::addStereoSamplesToScope(const QByteArray& samples) {
}
const int16_t* samplesData = reinterpret_cast<const int16_t*>(samples.data());
int samplesPerChannel = samples.size() / sizeof(int16_t) / STEREO_FACTOR;
printf("\t Audio::addStereoSamplesToScope %d samples per channel\n", samplesPerChannel);
addBufferToScope(_scopeOutputLeft, _scopeOutputOffset, samplesData, samplesPerChannel, 0, STEREO_FACTOR);
_scopeOutputOffset = addBufferToScope(_scopeOutputRight, _scopeOutputOffset, samplesData, samplesPerChannel, 1, STEREO_FACTOR);
_scopeLastFrame = samples.right(NETWORK_BUFFER_LENGTH_BYTES_STEREO);
printf("\t end\n");
}
void Audio::addLastFrameRepeatedWithFadeToScope(int samplesPerChannel) {
printf("addLastFrameRepeatedWithFadeToScope");
printf("addLastFrameRepeatedWithFadeToScope %d per channel\n", samplesPerChannel);
const int16_t* lastFrameData = reinterpret_cast<const int16_t*>(_scopeLastFrame.data());
int samplesRemaining = samplesPerChannel;
int indexOfRepeat = 0;
do {
int samplesToWriteThisIteration = std::min(samplesRemaining, (int)NETWORK_SAMPLES_PER_FRAME);
float fade = calculateRepeatedFrameFadeFactor(indexOfRepeat);
printf("%f ", fade);
float fade = calculateRepeatedFrameFadeFactor(indexOfRepeat);
printf("%f ", fade, samplesToWriteThisIteration);
addBufferToScope(_scopeOutputLeft, _scopeOutputOffset, lastFrameData, samplesToWriteThisIteration, 0, STEREO_FACTOR, fade);
_scopeOutputOffset = addBufferToScope(_scopeOutputRight, _scopeOutputOffset, lastFrameData, samplesToWriteThisIteration, 1, STEREO_FACTOR, fade);
printf("scopeOutputOffset %d\n", _scopeOutputOffset);
samplesRemaining -= samplesToWriteThisIteration;
indexOfRepeat++;
} while (samplesRemaining > 0);
printf("\n");
printf("\t end\n");
}
void Audio::processReceivedSamples(const QByteArray& inputBuffer, QByteArray& outputBuffer) {
@ -1755,7 +1764,7 @@ bool Audio::switchOutputToAudioDevice(const QAudioDeviceInfo& outputDeviceInfo)
// setup our general output device for audio-mixer audio
_audioOutput = new QAudioOutput(outputDeviceInfo, _outputFormat, this);
_audioOutput->setBufferSize(AUDIO_OUTPUT_BUFFER_SIZE_FRAMES * _outputFrameSize * sizeof(int16_t));
qDebug() << "Ring Buffer capacity in frames: " << _audioOutput->bufferSize() / sizeof(int16_t) / (float)_outputFrameSize;
qDebug() << "Output Buffer capacity in frames: " << _audioOutput->bufferSize() / sizeof(int16_t) / (float)_outputFrameSize;
_audioOutputIODevice.start();
_audioOutput->start(&_audioOutputIODevice);

5
libraries/audio/src/InboundAudioStream.cpp
View file

@ -176,7 +176,6 @@ int InboundAudioStream::parseAudioData(PacketType type, const QByteArray& packet
}
int InboundAudioStream::writeDroppableSilentSamples(int silentSamples) {
// calculate how many silent frames we should drop.
int samplesPerFrame = _ringBuffer.getNumFrameSamples();
int desiredJitterBufferFramesPlusPadding = _desiredJitterBufferFrames + DESIRED_JITTER_BUFFER_FRAMES_PADDING;
@ -198,7 +197,9 @@ int InboundAudioStream::writeDroppableSilentSamples(int silentSamples) {
_framesAvailableStat.reset();
}
return _ringBuffer.addSilentSamples(silentSamples - numSilentFramesToDrop * samplesPerFrame);
int ret = _ringBuffer.addSilentSamples(silentSamples - numSilentFramesToDrop * samplesPerFrame);
return ret;
}
int InboundAudioStream::popSamples(int maxSamples, bool allOrNothing, bool starveIfNoSamplesPopped) {

14
libraries/audio/src/MixedProcessedAudioStream.cpp
View file

@ -20,23 +20,25 @@ MixedProcessedAudioStream::MixedProcessedAudioStream(int numFrameSamples, int nu
void MixedProcessedAudioStream::outputFormatChanged(int outputFormatChannelCountTimesSampleRate) {
_outputFormatChannelsTimesSampleRate = outputFormatChannelCountTimesSampleRate;
int deviceOutputFrameSize = NETWORK_BUFFER_LENGTH_SAMPLES_PER_CHANNEL * _outputFormatChannelsTimesSampleRate / SAMPLE_RATE;
int deviceOutputFrameSize = networkToDeviceSamples(NETWORK_BUFFER_LENGTH_SAMPLES_STEREO);
_ringBuffer.resizeForFrameSize(deviceOutputFrameSize);
}
int MixedProcessedAudioStream::writeDroppableSilentSamples(int silentSamples) {
int deviceSilentSamplesWritten = InboundAudioStream::writeDroppableSilentSamples(networkToDeviceSamples(silentSamples));
emit addedSilence(deviceToNetworkSamples(deviceSilentSamplesWritten) / STEREO_FACTOR);
return deviceSilentSamplesWritten;
}
int MixedProcessedAudioStream::writeLastFrameRepeatedWithFade(int samples) {
int deviceSamplesWritten = InboundAudioStream::writeLastFrameRepeatedWithFade(networkToDeviceSamples(samples));
emit addedLastFrameRepeatedWithFade(deviceToNetworkSamples(deviceSamplesWritten) / STEREO_FACTOR);
return deviceSamplesWritten;
}
@ -48,14 +50,14 @@ int MixedProcessedAudioStream::parseAudioData(PacketType type, const QByteArray&
emit processSamples(packetAfterStreamProperties, outputBuffer);
_ringBuffer.writeData(outputBuffer.data(), outputBuffer.size());
return packetAfterStreamProperties.size();
}
int MixedProcessedAudioStream::networkToDeviceSamples(int networkSamples) {
return networkSamples * _outputFormatChannelsTimesSampleRate / (STEREO_FACTOR * SAMPLE_RATE);
return (quint64)networkSamples * (quint64)_outputFormatChannelsTimesSampleRate / (quint64)(STEREO_FACTOR * SAMPLE_RATE);
}
int MixedProcessedAudioStream::deviceToNetworkSamples(int deviceSamples) {
return deviceSamples * (STEREO_FACTOR * SAMPLE_RATE) / _outputFormatChannelsTimesSampleRate;
return (quint64)deviceSamples * (quint64)(STEREO_FACTOR * SAMPLE_RATE) / (quint64)_outputFormatChannelsTimesSampleRate;
}