HRESULT CWavPackSplitterFilterInputPin::DeliverOneFrame(WavPack_parser* wpp)
{
IMediaSample *pSample;
BYTE *Buffer = NULL;
HRESULT hr;
unsigned long FrameLenBytes = 0, FrameLenSamples = 0, FrameIndex = 0;
// Get a new media sample
hr = m_pParentFilter->m_pOutputPin->GetDeliveryBuffer(&pSample, NULL, NULL, 0);
if (FAILED(hr)) {
return hr;
}
hr = pSample->GetPointer(&Buffer);
if (FAILED(hr)) {
pSample->Release();
return hr;
}
FrameLenBytes = wavpack_parser_read_frame(wpp, Buffer,
&FrameIndex, &FrameLenSamples);
if (!FrameLenBytes) {
// Something bad happened, let's end here
pSample->Release();
m_pParentFilter->m_pOutputPin->DeliverEndOfStream();
// TODO : check if we need to stop the thread
return hr;
}
pSample->SetActualDataLength(FrameLenBytes);
REFERENCE_TIME rtStart, rtStop;
rtStart = FrameIndex;
rtStop = rtStart + FrameLenSamples;
rtStart = (rtStart * 10000000) / wpp->sample_rate;
rtStop = (rtStop * 10000000) / wpp->sample_rate;
rtStart -= m_pParentFilter->m_rtStart;
rtStop -= m_pParentFilter->m_rtStart;
pSample->SetTime(&rtStart, &rtStop);
pSample->SetPreroll(FALSE);
pSample->SetDiscontinuity(m_bDiscontinuity);
if (m_bDiscontinuity) {
m_bDiscontinuity = FALSE;
}
pSample->SetSyncPoint(TRUE);
// Deliver the sample
hr = m_pParentFilter->m_pOutputPin->Deliver(pSample);
pSample->Release();
pSample = NULL;
if (FAILED(hr)) {
return hr;
}
return S_OK;
}
HRESULT CWavPackDSSplitterInputPin::DeliverOneFrame(WavPack_parser* wpp)
{
IMediaSample *pSample;
BYTE *Buffer = NULL;
HRESULT hr;
unsigned long FrameLenBytes = 0, FrameLenSamples = 0, FrameIndex = 0;
// Get a new media sample
hr = m_pParentFilter->m_pOutputPin->GetDeliveryBuffer(&pSample, NULL, NULL, 0);
if (FAILED(hr))
{
DebugLog("CWavPackDSSplitterInputPin::DoProcessingLoop GetDeliveryBuffer failed 0x%08X",hr);
return hr;
}
hr = pSample->GetPointer(&Buffer);
if (FAILED(hr))
{
DebugLog("CWavPackDSSplitterInputPin::DoProcessingLoop GetPointer failed 0x%08X",hr);
pSample->Release();
return hr;
}
FrameLenBytes = wavpack_parser_read_frame(wpp, Buffer,
&FrameIndex, &FrameLenSamples);
if(!FrameLenBytes)
{
// Something bad happened, let's end here
pSample->Release();
m_pParentFilter->m_pOutputPin->DeliverEndOfStream();
// TODO : check if we need to stop the thread
DebugLog("CWavPackDSSplitterInputPin::DoProcessingLoop wavpack_parser_read_frame error");
return hr;
}
pSample->SetActualDataLength(FrameLenBytes);
if(wpp->is_correction == TRUE)
{
IMediaSample2 *pSample2;
if (SUCCEEDED(pSample->QueryInterface(IID_IMediaSample2, (void **)&pSample2)))
{
AM_SAMPLE2_PROPERTIES ams2p;
ZeroMemory(&ams2p, sizeof(AM_SAMPLE2_PROPERTIES));
hr = pSample2->GetProperties(sizeof(AM_SAMPLE2_PROPERTIES), (PBYTE)&ams2p);
if(SUCCEEDED(hr))
{
ams2p.dwStreamId = AM_STREAM_BLOCK_ADDITIONNAL;
pSample2->SetProperties(sizeof(AM_SAMPLE2_PROPERTIES), (PBYTE)&ams2p);
}
pSample2->Release();
pSample2 = NULL;
}
}
REFERENCE_TIME rtStart, rtStop;
rtStart = FrameIndex;
rtStop = rtStart + FrameLenSamples;
rtStart = (rtStart * 10000000) / wpp->sample_rate;
rtStop = (rtStop * 10000000) / wpp->sample_rate;
rtStart -= m_pParentFilter->m_rtStart;
rtStop -= m_pParentFilter->m_rtStart;
pSample->SetTime(&rtStart, &rtStop);
pSample->SetPreroll(FALSE);
pSample->SetDiscontinuity(m_bDiscontinuity);
if(m_bDiscontinuity)
{
m_bDiscontinuity = FALSE;
}
pSample->SetSyncPoint(TRUE);
// Deliver the sample
hr = m_pParentFilter->m_pOutputPin->Deliver(pSample);
pSample->Release();
pSample = NULL;
if (FAILED(hr))
{
DebugLog("CWavPackDSSplitterInputPin::DoProcessingLoop Deliver failed 0x%08X",hr);
return hr;
}
return S_OK;
}
