void CDVDPlayerSubtitle::Process(double pts)
{
CSingleLock lock(m_section);
if (m_pSubtitleFileParser)
{
if(pts == DVD_NOPTS_VALUE)
return;
if (pts + DVD_SEC_TO_TIME(1) < m_lastPts)
{
m_pOverlayContainer->Clear();
m_pSubtitleFileParser->Reset();
}
if(m_pOverlayContainer->GetSize() >= 5)
return;
CDVDOverlay* pOverlay = m_pSubtitleFileParser->Parse(pts);
// add all overlays which fit the pts
while(pOverlay)
{
m_pOverlayContainer->Add(pOverlay);
pOverlay->Release();
pOverlay = m_pSubtitleFileParser->Parse(pts);
}
m_lastPts = pts;
}
}
void CDVDPlayerVideo::ProcessVideoUserData(DVDVideoUserData* pVideoUserData, double pts)
{
/*
参数:
1、
返回:
1、
说明:
1、
*/
// check userdata type
BYTE* data = pVideoUserData->data;
int size = pVideoUserData->size;
if (size >= 2)
{
if (data[0] == 'C' && data[1] == 'C')
{
data += 2;
size -= 2;
// closed captioning
if (!m_pOverlayCodecCC)
{
m_pOverlayCodecCC = new CDVDOverlayCodecCC();
CDVDCodecOptions options;
CDVDStreamInfo info;
if (!m_pOverlayCodecCC->Open(info, options))
{
delete m_pOverlayCodecCC;
m_pOverlayCodecCC = NULL;
}
}
if (m_pOverlayCodecCC)
{
m_pOverlayCodecCC->Decode(data, size, DVD_NOPTS_VALUE, DVD_NOPTS_VALUE);
CDVDOverlay* overlay;
while((overlay = m_pOverlayCodecCC->GetOverlay()) != NULL)
{
overlay->iGroupId = 0;
overlay->iPTSStartTime += pts;
if(overlay->iPTSStopTime != 0.0)
overlay->iPTSStopTime += pts;
m_pOverlayContainer->Add(overlay);
overlay->Release();
}
}
}
}
}
VecOverlaysIter CDVDOverlayContainer::Remove(VecOverlaysIter itOverlay)
{
VecOverlaysIter itNext;
CDVDOverlay* pOverlay = *itOverlay;
{
CSingleLock lock(*this);
itNext = m_overlays.erase(itOverlay);
}
pOverlay->Release();
return itNext;
}
void CDVDPlayerVideo::ProcessVideoUserData(DVDVideoUserData* pVideoUserData, double pts)
{
// check userdata type
uint8_t* data = pVideoUserData->data;
int size = pVideoUserData->size;
if (size >= 2)
{
if (data[0] == 'C' && data[1] == 'C')
{
data += 2;
size -= 2;
// closed captioning
if (!m_pOverlayCodecCC)
{
m_pOverlayCodecCC = new CDVDOverlayCodecCC();
CDVDCodecOptions options;
CDVDStreamInfo info;
if (!m_pOverlayCodecCC->Open(info, options))
{
delete m_pOverlayCodecCC;
m_pOverlayCodecCC = NULL;
}
}
if (m_pOverlayCodecCC)
{
DemuxPacket packet;
packet.pData = data;
packet.iSize = size;
packet.pts = DVD_NOPTS_VALUE;
packet.dts = DVD_NOPTS_VALUE;
m_pOverlayCodecCC->Decode(&packet);
CDVDOverlay* overlay;
while((overlay = m_pOverlayCodecCC->GetOverlay()) != NULL)
{
overlay->iPTSStartTime += pts;
if(overlay->iPTSStopTime != 0.0)
overlay->iPTSStopTime += pts;
m_pOverlayContainer->Add(overlay);
overlay->Release();
}
}
}
}
}
void CDVDOverlayContainer::Remove()
{
if (!m_overlays.empty())
{
CDVDOverlay* pOverlay;
{
CSingleLock lock(*this);
pOverlay = m_overlays.front();
m_overlays.erase(m_overlays.begin());
}
pOverlay->Release();
}
}
void CDVDPlayerSubtitle::SendMessage(CDVDMsg* pMsg)
{
if (pMsg->IsType(CDVDMsg::DEMUXER_PACKET))
{
CDVDMsgDemuxerPacket* pMsgDemuxerPacket = (CDVDMsgDemuxerPacket*)pMsg;
DemuxPacket* pPacket = pMsgDemuxerPacket->GetPacket();
if (m_pOverlayCodec)
{
double pts = pPacket->dts != DVD_NOPTS_VALUE ? pPacket->dts : pPacket->pts;
double duration = pPacket->duration;
int result = m_pOverlayCodec->Decode(pPacket->pData, pPacket->iSize, pts, duration);
if(result == OC_OVERLAY)
{
CDVDOverlay* overlay;
while((overlay = m_pOverlayCodec->GetOverlay()) != NULL)
{
overlay->iGroupId = pPacket->iGroupId;
// we assume pts is better than what
// decoder gives us, only take duration
// from decoder if available
if(overlay->iPTSStopTime > overlay->iPTSStartTime)
duration = overlay->iPTSStopTime - overlay->iPTSStartTime;
else if(pPacket->duration != DVD_NOPTS_VALUE)
duration = pPacket->duration;
else
duration = 0.0;
if (pPacket->pts != DVD_NOPTS_VALUE)
pts = pPacket->pts;
else if(pPacket->dts != DVD_NOPTS_VALUE)
pts = pPacket->dts;
else
pts = overlay->iPTSStartTime;
overlay->iPTSStartTime = pts;
if(duration)
overlay->iPTSStopTime = pts + duration;
else
{
overlay->iPTSStopTime = 0;
overlay->replace = true;
}
m_pOverlayContainer->Add(overlay);
overlay->Release();
}
}
}
else if (m_streaminfo.codec == CODEC_ID_DVD_SUBTITLE)
{
CDVDOverlaySpu* pSPUInfo = m_dvdspus.AddData(pPacket->pData, pPacket->iSize, pPacket->pts);
if (pSPUInfo)
{
CLog::Log(LOGDEBUG, "CDVDPlayer::ProcessSubData: Got complete SPU packet");
pSPUInfo->iGroupId = pPacket->iGroupId;
m_pOverlayContainer->Add(pSPUInfo);
pSPUInfo->Release();
}
}
}
else if( pMsg->IsType(CDVDMsg::SUBTITLE_CLUTCHANGE) )
{
CDVDMsgSubtitleClutChange* pData = (CDVDMsgSubtitleClutChange*)pMsg;
for (int i = 0; i < 16; i++)
{
BYTE* color = m_dvdspus.m_clut[i];
BYTE* t = (BYTE*)pData->m_data[i];
// pData->m_data[i] points to an uint32_t
// Byte swapping is needed between big and little endian systems
#ifdef WORDS_BIGENDIAN
color[0] = t[1]; // Y
color[1] = t[2]; // Cr
color[2] = t[3]; // Cb
#else
color[0] = t[2]; // Y
color[1] = t[0]; // Cr
color[2] = t[1]; // Cb
#endif
}
m_dvdspus.m_bHasClut = true;
}
else if( pMsg->IsType(CDVDMsg::GENERAL_FLUSH)
|| pMsg->IsType(CDVDMsg::GENERAL_RESET) )
{
m_dvdspus.Reset();
if (m_pSubtitleFileParser)
m_pSubtitleFileParser->Reset();
if (m_pOverlayCodec)
m_pOverlayCodec->Flush();
m_lastPts = DVD_NOPTS_VALUE;
}
pMsg->Release();
}
void CDVDPlayerSubtitle::SendMessage(CDVDMsg* pMsg)
{
CSingleLock lock(m_section);
if (pMsg->IsType(CDVDMsg::DEMUXER_PACKET))
{
CDVDMsgDemuxerPacket* pMsgDemuxerPacket = (CDVDMsgDemuxerPacket*)pMsg;
DemuxPacket* pPacket = pMsgDemuxerPacket->GetPacket();
if (m_pOverlayCodec)
{
int result = m_pOverlayCodec->Decode(pPacket);
if(result == OC_OVERLAY)
{
CDVDOverlay* overlay;
while((overlay = m_pOverlayCodec->GetOverlay()) != NULL)
{
overlay->iGroupId = pPacket->iGroupId;
m_pOverlayContainer->Add(overlay);
overlay->Release();
}
}
}
else if (m_streaminfo.codec == CODEC_ID_DVD_SUBTITLE)
{
CDVDOverlaySpu* pSPUInfo = m_dvdspus.AddData(pPacket->pData, pPacket->iSize, pPacket->pts);
if (pSPUInfo)
{
CLog::Log(LOGDEBUG, "CDVDPlayer::ProcessSubData: Got complete SPU packet");
pSPUInfo->iGroupId = pPacket->iGroupId;
m_pOverlayContainer->Add(pSPUInfo);
pSPUInfo->Release();
}
}
}
else if( pMsg->IsType(CDVDMsg::SUBTITLE_CLUTCHANGE) )
{
CDVDMsgSubtitleClutChange* pData = (CDVDMsgSubtitleClutChange*)pMsg;
for (int i = 0; i < 16; i++)
{
BYTE* color = m_dvdspus.m_clut[i];
BYTE* t = (BYTE*)pData->m_data[i];
// pData->m_data[i] points to an uint32_t
// Byte swapping is needed between big and little endian systems
#ifdef WORDS_BIGENDIAN
color[0] = t[1]; // Y
color[1] = t[2]; // Cr
color[2] = t[3]; // Cb
#else
color[0] = t[2]; // Y
color[1] = t[0]; // Cr
color[2] = t[1]; // Cb
#endif
}
m_dvdspus.m_bHasClut = true;
}
else if( pMsg->IsType(CDVDMsg::GENERAL_FLUSH)
|| pMsg->IsType(CDVDMsg::GENERAL_RESET) )
{
m_dvdspus.Reset();
if (m_pSubtitleFileParser)
m_pSubtitleFileParser->Reset();
if (m_pOverlayCodec)
m_pOverlayCodec->Flush();
/* We must flush active overlays on flush or if we have a file
* parser since it will re-populate active items. */
if(pMsg->IsType(CDVDMsg::GENERAL_FLUSH) || m_pSubtitleFileParser)
m_pOverlayContainer->Clear();
m_lastPts = DVD_NOPTS_VALUE;
}
pMsg->Release();
}
void CDVDPlayerSubtitle::SendMessage(CDVDMsg* pMsg)
{
if (pMsg->IsType(CDVDMsg::DEMUXER_PACKET))
{
CDVDMsgDemuxerPacket* pMsgDemuxerPacket = (CDVDMsgDemuxerPacket*)pMsg;
DemuxPacket* pPacket = pMsgDemuxerPacket->GetPacket();
if (m_pOverlayCodec)
{
double pts = pPacket->dts != DVD_NOPTS_VALUE ? pPacket->dts : pPacket->pts;
double duration = pPacket->duration;
int result = m_pOverlayCodec->Decode(pPacket->pData, pPacket->iSize, pts, duration);
if(result == OC_OVERLAY)
{
CDVDOverlay* overlay;
while((overlay = m_pOverlayCodec->GetOverlay()) != NULL)
{
overlay->iGroupId = pPacket->iGroupId;
if(pts == DVD_NOPTS_VALUE)
{
if(overlay->iPTSStartTime == 0 && overlay->iPTSStopTime == 0)
CLog::Log(LOGWARNING, "%s - unable to find timestamp for overlay", __FUNCTION__);
}
else
{
// we assume pts is better than what
// decoder gives us, only take duration
// from decoder if available
overlay->iPTSStopTime -= overlay->iPTSStartTime;
overlay->iPTSStartTime = pts;
if(overlay->iPTSStopTime == 0.0)
overlay->iPTSStopTime = duration;
overlay->iPTSStopTime += overlay->iPTSStartTime;
}
m_pOverlayContainer->Add(overlay);
overlay->Release();
}
}
}
else if (m_streaminfo.codec == CODEC_ID_DVD_SUBTITLE)
{
CSPUInfo* pSPUInfo = m_dvdspus.AddData(pPacket->pData, pPacket->iSize, pPacket->pts);
if (pSPUInfo)
{
CLog::Log(LOGDEBUG, "CDVDPlayer::ProcessSubData: Got complete SPU packet");
pSPUInfo->iGroupId = pPacket->iGroupId;
m_pOverlayContainer->Add(pSPUInfo);
pSPUInfo->Release();
}
}
}
else if( pMsg->IsType(CDVDMsg::SUBTITLE_CLUTCHANGE) )
{
CDVDMsgSubtitleClutChange* pData = (CDVDMsgSubtitleClutChange*)pMsg;
for (int i = 0; i < 16; i++)
{
BYTE* color = m_dvdspus.m_clut[i];
BYTE* t = (BYTE*)pData->m_data[i];
color[0] = t[2]; // Y
color[1] = t[1]; // Cr
color[2] = t[0]; // Cb
}
m_dvdspus.m_bHasClut = true;
}
else if( pMsg->IsType(CDVDMsg::GENERAL_FLUSH) )
{
m_dvdspus.Reset();
if (m_pSubtitleFileParser)
m_pSubtitleFileParser->Reset();
if (m_pOverlayCodec)
m_pOverlayCodec->Flush();
m_lastPts = DVD_NOPTS_VALUE;
}
pMsg->Release();
}