void CTimeStretchFilter::CreateOutput(UINT32 nInFrames, UINT32 nOutFrames, double dBias, double dAdjustment, double dAVMult, bool bFlushPartialSample)
{
HRESULT hr = S_OK;
UINT32 maxBufferFrames = DEFAULT_OUT_BUFFER_SIZE / m_pOutputFormat->Format.nBlockAlign;
UINT32 nOutFramesTotal = 0;
while (nOutFrames > 0)
{
// try to get an output buffer if none available
if (!m_pNextOutSample && FAILED(hr = RequestNextOutBuffer(m_rtInSampleTime)))
{
Log("CTimeStretchFilter::timestretch thread - Failed to get next output sample!");
break;
}
BYTE* pOutData = NULL;
m_pNextOutSample->GetPointer(&pOutData);
if (pOutData)
{
UINT32 nOffset = m_pNextOutSample->GetActualDataLength();
UINT32 nOffsetInFrames = nOffset / m_pOutputFormat->Format.nBlockAlign;
if (nOutFrames > maxBufferFrames - nOffsetInFrames)
nOutFrames = maxBufferFrames - nOffsetInFrames;
m_pNextOutSample->SetActualDataLength(nOffset + nOutFrames * m_pOutputFormat->Format.nBlockAlign);
pOutData += nOffset;
receiveSamplesInternal((short*)pOutData, nOutFrames);
nOutFramesTotal += nOutFrames;
if (m_pMediaType)
m_pNextOutSample->SetMediaType(m_pMediaType);
OutputSample(bFlushPartialSample);
nOutFrames = numSamples();
}
}
if (nOutFramesTotal > 0)
{
double rtSampleDuration = (double)nInFrames * (double)UNITS / (double)m_pOutputFormat->Format.nSamplesPerSec;
double rtProcessedSampleDuration = (double)(nOutFramesTotal) * (double)UNITS / (double)m_pOutputFormat->Format.nSamplesPerSec;
m_pClock->AudioResampled(rtProcessedSampleDuration, rtSampleDuration, dBias, dAdjustment, dAVMult);
//Log(m_pClock->DebugData());
}
}
void CTimeStretchFilter::CreateOutput(UINT32 nInFrames, UINT32 nOutFrames, double dBias, double dAdjustment, double dAVMult, bool bFlushPartialSample)
{
HRESULT hr = S_OK;
UINT32 maxBufferFrames = m_nOutBufferSize / m_pOutputFormat->Format.nBlockAlign;
UINT32 nOutFramesTotal = 0;
while (nOutFrames > 0)
{
// try to get an output buffer if none available
if (!m_pNextOutSample && FAILED(hr = RequestNextOutBuffer(m_rtInSampleTime)))
{
Log("CTimeStretchFilter::timestretch thread - Failed to get next output sample!");
break;
}
BYTE* pOutData = NULL;
m_pNextOutSample->GetPointer(&pOutData);
if (pOutData)
{
UINT32 nOffset = m_pNextOutSample->GetActualDataLength();
UINT32 nOffsetInFrames = nOffset / m_pOutputFormat->Format.nBlockAlign;
if (nOutFrames > maxBufferFrames - nOffsetInFrames)
nOutFrames = maxBufferFrames - nOffsetInFrames;
m_pNextOutSample->SetActualDataLength(nOffset + nOutFrames * m_pOutputFormat->Format.nBlockAlign);
pOutData += nOffset;
receiveSamplesInternal((short*)pOutData, nOutFrames);
nOutFramesTotal += nOutFrames;
if (m_pMediaType)
m_pNextOutSample->SetMediaType(m_pMediaType);
OutputSample(bFlushPartialSample);
nOutFrames = numSamples();
}
}
}
void EffectAvcCompressor::End()
{
IAVCSAMPLETYPE left;
IAVCSAMPLETYPE right = 0;
// We now need to output any samples still waiting because
while ( mpBufferList != NULL )
{
#ifdef IAVC_INLINE
// use inline GetNextSample()
#define IAVC_GETNEXTSAMPLE
#include "../../lib-src/iAVC/iAVC.cpp"
#undef IAVC_SETNEXTSAMPLE
#else
// call GetNextSample()
mAutoVolCtrl.GetNextSample(left, right);
#endif
OutputSample ( left, right );
}
mpBufferPrevious = NULL;
EffectSimplePairedTwoTrack<IAVCSAMPLETYPE,AVCCOMPSAMPLETYPE>::End();
}
bool EffectAvcCompressor::ProcessSimplePairedTwoTrack(/*IAVCSAMPLETYPE*/ void *bufferLeft,
/*IAVCSAMPLETYPE*/ void *bufferRight, // may be 0
sampleCount len)
{
// build new iAVCBufferList node
iAVCBufferList * pBufferNode = new iAVCBufferList;
if ( mpBufferPrevious != NULL )
mpBufferPrevious->mpNext = pBufferNode; // link to end of list
else
mpBufferList = pBufferNode; // have first node in list
mpBufferPrevious = pBufferNode; // this node now the last added to list
pBufferNode->mpNext = NULL;
pBufferNode->mpLeftBuffer = bufferLeft;
pBufferNode->mpRightBuffer = bufferRight;
pBufferNode->mnLen = len;
pBufferNode->mnNext = 0;
// process samples in these buffer(s)
IAVCSAMPLETYPE* typedBufferLeft = (IAVCSAMPLETYPE*)bufferLeft;
IAVCSAMPLETYPE* typedBufferRight = (IAVCSAMPLETYPE*)bufferRight;
sampleCount i;
IAVCSAMPLETYPE left;
IAVCSAMPLETYPE right = 0;
for ( i = 0 ; i < len ; ++i ) {
left = typedBufferLeft[i];
if ( typedBufferRight )
right = typedBufferRight[i];
#ifdef IAVC_INLINE
// use inline SetNextSample()
#define IAVC_SETNEXTSAMPLE
#include "../../lib-src/iAVC/iAVC.cpp"
#undef IAVC_SETNEXTSAMPLE
// use inline GetNextSample()
if ( mnDelay <= 0 )
{ // get a value only if past desired delay
#define IAVC_GETNEXTSAMPLE
#include "../../lib-src/iAVC/iAVC.cpp"
#undef IAVC_SETNEXTSAMPLE
}
#else
// call SetNextSample() and GetNextSample()
mAutoVolCtrl.SetNextSample(left, right);
if ( mnDelay <= 0 )
{ // get a value only if past desired delay
mAutoVolCtrl.GetNextSample(left, right);
}
#endif
if ( mnDelay <= 0 )
{ // get a value only if past desired delay
OutputSample ( left, right );
typedBufferLeft[i] = left;
if ( typedBufferRight )
typedBufferRight[i] = right;
}
else
{ // count down the delay amount
--mnDelay;
}
}
return true;
}
