HRESULT CAudioDecFilter::NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
{
HRESULT hr = __super::NewSegment(tStart, tStop, dRate);
CAutoLock AutoLock(&m_cPropLock);
ResetSync();
return hr;
}
HRESULT CAudioDecFilter::BeginFlush()
{
HRESULT hr = __super::BeginFlush();
CAutoLock AutoLock(&m_cPropLock);
if (m_pDecoder) {
m_pDecoder->Reset();
}
ResetSync();
return hr;
}
HRESULT CAudioDecFilter::StartStreaming()
{
CAutoLock AutoLock(&m_cPropLock);
if (m_pDecoder) {
m_pDecoder->Open();
}
ResetSync();
m_bPassthroughError = false;
m_BitRateCalculator.Initialize();
return S_OK;
}
bool CTsSrcStream::InputMedia(const CMediaData *pMediaData)
{
CBlockLock Lock(&m_Lock);
if (!m_bEnableSync) {
AddData(pMediaData);
return true;
}
/*
PTSを同期する処理は、TBS問題対策案(up0357)を元にしています。
*/
const CTsPacket *pPacket=static_cast<const CTsPacket*>(pMediaData);
const WORD PID=pPacket->GetPID();
if (PID!=m_VideoPID && PID!=m_AudioPID) {
AddData(pMediaData);
return true;
}
if (pPacket->m_Header.bPayloadUnitStartIndicator) {
const DWORD Size=pPacket->GetPayloadSize();
if (Size<14) {
AddData(pMediaData);
return true;
}
const BYTE *pData=pPacket->GetPayloadData();
if (pData==NULL) {
AddData(pMediaData);
return true;
}
if (pData[0]!=0 || pData[1]!=0 || pData[2]!=1) { // !PES
AddData(pMediaData);
return true;
}
if ((pData[7]&0x80)!=0) { // pts_flag
if (PID==m_VideoPID) {
m_VideoPTSPrev=m_VideoPTS;
m_VideoPTS=GET_PTS(&pData[9]);
} else {
m_AudioPTSPrev=m_AudioPTS;
m_AudioPTS=GET_PTS(&pData[9]);
}
}
}
#ifdef BONTSENGINE_1SEG_SUPPORT
LONGLONG AudioPTS=m_AudioPTS;
if (m_AudioPTSPrev>=0) {
if (AudioPTS<m_AudioPTSPrev)
AudioPTS+=0x200000000LL;
if (AudioPTS>=m_AudioPTSPrev+ERR_PTS_DIFF) {
TRACE(TEXT("Reset Audio PTS : Adj=%X%08X Cur=%X%08X Prev=%X%08X\n"),
(DWORD)(AudioPTS>>32),(DWORD)AudioPTS,
(DWORD)(m_AudioPTS>>32),(DWORD)m_AudioPTS,
(DWORD)(m_AudioPTSPrev>>32),(DWORD)m_AudioPTSPrev);
AddPoolPackets();
ResetSync();
AudioPTS=-1;
}
}
