DemuxPacket* CDVDDemuxClient::Read()
{
if (!m_IDemux)
return nullptr;
if (m_packet)
return m_packet.release();
m_packet.reset(m_IDemux->ReadDemux());
if (!m_packet)
{
return nullptr;
}
if (m_packet->iStreamId == DMX_SPECIALID_STREAMINFO)
{
RequestStreams();
CDVDDemuxUtils::FreeDemuxPacket(m_packet.release());
return CDVDDemuxUtils::AllocateDemuxPacket(0);
}
else if (m_packet->iStreamId == DMX_SPECIALID_STREAMCHANGE)
{
RequestStreams();
}
else if (m_packet->iStreamId >= 0 && m_streams.count(m_packet->iStreamId) > 0)
{
if (ParsePacket(m_packet.get()))
{
RequestStreams();
DemuxPacket *pPacket = CDVDDemuxUtils::AllocateDemuxPacket(0);
pPacket->iStreamId = DMX_SPECIALID_STREAMCHANGE;
pPacket->demuxerId = m_demuxerId;
return pPacket;
}
}
CDVDInputStream::IDisplayTime *inputStream = m_pInput->GetIDisplayTime();
if (inputStream)
{
int dispTime = inputStream->GetTime();
if (m_displayTime != dispTime)
{
m_displayTime = dispTime;
if (m_packet->dts != DVD_NOPTS_VALUE)
{
m_dtsAtDisplayTime = m_packet->dts;
}
}
if (m_dtsAtDisplayTime != DVD_NOPTS_VALUE && m_packet->dts != DVD_NOPTS_VALUE)
{
m_packet->dispTime = m_displayTime;
m_packet->dispTime += DVD_TIME_TO_MSEC(m_packet->dts - m_dtsAtDisplayTime);
}
}
return m_packet.release();
}
DemuxPacket* CDVDDemuxClient::Read()
{
if (!m_IDemux)
return nullptr;
DemuxPacket* pPacket = m_IDemux->ReadDemux();
if (!pPacket)
{
return nullptr;
}
if (pPacket->iStreamId == DMX_SPECIALID_STREAMINFO)
{
RequestStreams();
CDVDDemuxUtils::FreeDemuxPacket(pPacket);
return CDVDDemuxUtils::AllocateDemuxPacket(0);
}
else if (pPacket->iStreamId == DMX_SPECIALID_STREAMCHANGE)
{
RequestStreams();
}
else if (pPacket->iStreamId >= 0 &&
m_streams[pPacket->iStreamId])
{
ParsePacket(pPacket);
}
CDVDInputStream::IDisplayTime *inputStream = m_pInput->GetIDisplayTime();
if (inputStream)
{
int dispTime = inputStream->GetTime();
if (m_displayTime != dispTime)
{
m_displayTime = dispTime;
if (pPacket->dts != DVD_NOPTS_VALUE)
{
m_dtsAtDisplayTime = pPacket->dts;
}
}
if (m_dtsAtDisplayTime != DVD_NOPTS_VALUE && pPacket->dts != DVD_NOPTS_VALUE)
{
pPacket->dispTime = m_displayTime;
pPacket->dispTime += DVD_TIME_TO_MSEC(pPacket->dts - m_dtsAtDisplayTime);
}
}
return pPacket;
}