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bugfix: flush() didn't properly flush final samples from the pipeline on 2nd time, in case that soundtouch object instance were recycled and used for processing a 2nd audio stream.

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This commit is contained in:
oparviai 2016-01-10 10:31:35 +00:00
parent 9287800b65
commit 882f248a0c
1 changed files with 31 additions and 29 deletions
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60
source/SoundTouch/SoundTouch.cpp
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@ -110,8 +110,8 @@ SoundTouch::SoundTouch()
calcEffectiveRateAndTempo();
samplesExpectedOut = 0;
samplesOutput = 0;
samplesExpectedOut = 0;
samplesOutput = 0;
channels = 0;
bSrateSet = false;
@ -149,7 +149,7 @@ void SoundTouch::setChannels(uint numChannels)
/*if (numChannels != 1 && numChannels != 2)
{
//ST_THROW_RT_ERROR("Illegal number of channels");
return;
return;
}*/
channels = numChannels;
pRateTransposer->setChannels((int)numChannels);
@ -240,11 +240,11 @@ void SoundTouch::calcEffectiveRateAndTempo()
double oldTempo = tempo;
double oldRate = rate;
tempo = virtualTempo / virtualPitch;
rate = virtualPitch * virtualRate;
tempo = virtualTempo / virtualPitch;
rate = virtualPitch * virtualRate;
if (!TEST_FLOAT_EQUAL(rate,oldRate)) pRateTransposer->setRate(rate);
if (!TEST_FLOAT_EQUAL(tempo, oldTempo)) pTDStretch->setTempo(tempo);
if (!TEST_FLOAT_EQUAL(tempo, oldTempo)) pTDStretch->setTempo(tempo);
#ifndef SOUNDTOUCH_PREVENT_CLICK_AT_RATE_CROSSOVER
if (rate <= 1.0f)
@ -321,9 +321,9 @@ void SoundTouch::putSamples(const SAMPLETYPE *samples, uint nSamples)
}
*/
// accumulate how many samples are expected out from processing, given the current
// processing setting
samplesExpectedOut += (double)nSamples / ((double)rate * (double)tempo);
// accumulate how many samples are expected out from processing, given the current
// processing setting
samplesExpectedOut += (double)nSamples / ((double)rate * (double)tempo);
#ifndef SOUNDTOUCH_PREVENT_CLICK_AT_RATE_CROSSOVER
if (rate <= 1.0f)
@ -354,23 +354,24 @@ void SoundTouch::putSamples(const SAMPLETYPE *samples, uint nSamples)
void SoundTouch::flush()
{
int i;
int numStillExpected;
int numStillExpected;
SAMPLETYPE *buff = new SAMPLETYPE[128 * channels];
// how many samples are still expected to output
numStillExpected = (int)((long)(samplesExpectedOut + 0.5) - samplesOutput);
// how many samples are still expected to output
numStillExpected = (int)((long)(samplesExpectedOut + 0.5) - samplesOutput);
if (numStillExpected < 0) numStillExpected = 0;
memset(buff, 0, 128 * channels * sizeof(SAMPLETYPE));
// "Push" the last active samples out from the processing pipeline by
// feeding blank samples into the processing pipeline until new,
// processed samples appear in the output (not however, more than
// 24ksamples in any case)
for (i = 0; (numStillExpected > (int)numSamples()) && (i < 200); i ++)
{
putSamples(buff, 128);
}
for (i = 0; (numStillExpected > (int)numSamples()) && (i < 200); i ++)
{
putSamples(buff, 128);
}
adjustAmountOfSamples(numStillExpected);
adjustAmountOfSamples(numStillExpected);
delete[] buff;
@ -460,13 +461,13 @@ int SoundTouch::getSetting(int settingId) const
pTDStretch->getParameters(NULL, NULL, NULL, &temp);
return temp;
case SETTING_NOMINAL_INPUT_SEQUENCE :
return pTDStretch->getInputSampleReq();
case SETTING_NOMINAL_INPUT_SEQUENCE :
return pTDStretch->getInputSampleReq();
case SETTING_NOMINAL_OUTPUT_SEQUENCE :
return pTDStretch->getOutputBatchSize();
case SETTING_NOMINAL_OUTPUT_SEQUENCE :
return pTDStretch->getOutputBatchSize();
default :
default :
return 0;
}
}
@ -476,7 +477,8 @@ int SoundTouch::getSetting(int settingId) const
// buffers.
void SoundTouch::clear()
{
samplesExpectedOut = 0;
samplesExpectedOut = 0;
samplesOutput = 0;
pRateTransposer->clear();
pTDStretch->clear();
}
@ -507,9 +509,9 @@ uint SoundTouch::numUnprocessedSamples() const
/// \return Number of samples returned.
uint SoundTouch::receiveSamples(SAMPLETYPE *output, uint maxSamples)
{
uint ret = FIFOProcessor::receiveSamples(output, maxSamples);
samplesOutput += (long)ret;
return ret;
uint ret = FIFOProcessor::receiveSamples(output, maxSamples);
samplesOutput += (long)ret;
return ret;
}
@ -520,7 +522,7 @@ uint SoundTouch::receiveSamples(SAMPLETYPE *output, uint maxSamples)
/// with 'ptrBegin' function.
uint SoundTouch::receiveSamples(uint maxSamples)
{
uint ret = FIFOProcessor::receiveSamples(maxSamples);
samplesOutput += (long)ret;
return ret;
uint ret = FIFOProcessor::receiveSamples(maxSamples);
samplesOutput += (long)ret;
return ret;
}