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these didn't commit for some reason

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wangyix 2014-07-28 14:08:45 -07:00
parent 145b7f8a0e
commit ed9bfdc503
2 changed files with 13 additions and 4 deletions
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1
interface/src/Audio.h
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@ -58,6 +58,7 @@ public:
virtual void startDrumSound(float volume, float frequency, float duration, float decay);
void overrideDesiredJitterBufferFramesTo(int desired) { _receivedAudioStream.overrideDesiredJitterBufferFramesTo(desired); }
void unoverrideDesiredJitterBufferFrames() { _receivedAudioStream.unoverrideDesiredJitterBufferFrames(); }
int getDesiredJitterBufferFrames() const { return _receivedAudioStream.getDesiredJitterBufferFrames(); }
float getCollisionSoundMagnitude() { return _collisionSoundMagnitude; }

16
libraries/audio/src/InboundAudioStream.cpp
View file

@ -17,6 +17,7 @@ InboundAudioStream::InboundAudioStream(int numFrameSamples, int numFramesCapacit
_lastPopSucceeded(false),
_lastPopOutput(),
_dynamicJitterBuffers(dynamicJitterBuffers),
_dynamicJitterBuffersOverride(false),
_useStDevForJitterCalc(useStDevForJitterCalc),
_calculatedJitterBufferFramesUsingMaxGap(0),
_calculatedJitterBufferFramesUsingStDev(0),
@ -147,10 +148,17 @@ void InboundAudioStream::starved() {
}
void InboundAudioStream::overrideDesiredJitterBufferFramesTo(int desired) {
_dynamicJitterBuffers = false;
_dynamicJitterBuffersOverride = true;
_desiredJitterBufferFrames = desired;
}
void InboundAudioStream::unoverrideDesiredJitterBufferFrames() {
_dynamicJitterBuffersOverride = false;
if (!_dynamicJitterBuffers) {
_desiredJitterBufferFrames = 1;
}
}
int InboundAudioStream::clampDesiredJitterBufferFramesValue(int desired) const {
const int MIN_FRAMES_DESIRED = 0;
const int MAX_FRAMES_DESIRED = _ringBuffer.getFrameCapacity();
@ -177,7 +185,7 @@ SequenceNumberStats::ArrivalInfo InboundAudioStream::frameReceivedUpdateNetworkS
_calculatedJitterBufferFramesUsingMaxGap = ceilf((float)_interframeTimeGapStatsForJitterCalc.getWindowMax() / USECS_PER_FRAME);
_interframeTimeGapStatsForJitterCalc.clearNewStatsAvailableFlag();
if (_dynamicJitterBuffers && !_useStDevForJitterCalc) {
if (_dynamicJitterBuffers && !_dynamicJitterBuffersOverride && !_useStDevForJitterCalc) {
_desiredJitterBufferFrames = clampDesiredJitterBufferFramesValue(_calculatedJitterBufferFramesUsingMaxGap);
}
}
@ -187,10 +195,10 @@ SequenceNumberStats::ArrivalInfo InboundAudioStream::frameReceivedUpdateNetworkS
const int STANDARD_DEVIATION_SAMPLE_COUNT = 500;
if (_stdev.getSamples() > STANDARD_DEVIATION_SAMPLE_COUNT) {
const float NUM_STANDARD_DEVIATIONS = 3.0f;
_calculatedJitterBufferFramesUsingStDev = (int)ceilf(2 * (NUM_STANDARD_DEVIATIONS * _stdev.getStDev()) / USECS_PER_FRAME) + 1;
_calculatedJitterBufferFramesUsingStDev = (int)ceilf(NUM_STANDARD_DEVIATIONS * _stdev.getStDev() / USECS_PER_FRAME) + 1;
_stdev.reset();
if (_dynamicJitterBuffers && _useStDevForJitterCalc) {
if (_dynamicJitterBuffers && !_dynamicJitterBuffersOverride && _useStDevForJitterCalc) {
_desiredJitterBufferFrames = clampDesiredJitterBufferFramesValue(_calculatedJitterBufferFramesUsingStDev);
}
}