Packet* CClip::ReturnNextVideoPacket(REFERENCE_TIME playlistOffset)
{
CAutoLock vectorVLock(&m_sectionVectorVideo);
if (!firstPacketReturned)
{
// CAutoLock lock (&m_sectionRead);
firstPacketReturned=true;
return ReturnNextVideoPacket(playlistOffset);
}
Packet* ret=NULL;
if (sparseVideo && m_videoPmt)
{
ret = GenerateSparseVideo(playlistOffset);
}
else if (m_vecClipVideoPackets.size()>0 && m_videoPmt)
{
ivecVideoBuffers it = m_vecClipVideoPackets.begin();
ret=*it;
it=m_vecClipVideoPackets.erase(it);
}
if (ret)
{
if (ret->rtStart!=Packet::INVALID_TIME)
{
if (firstVideo)
{
ret->bDiscontinuity = clipInterrupted | bSeekTarget | clipReset;
ret->nNewSegment = NS_STREAM_RESET;
if (bSeekTarget) ret->nNewSegment |= NS_SEEK_TARGET;
if (!clipReset) ret->nNewSegment |= NS_NEW_CLIP;
if (clipInterrupted) ret->nNewSegment |= NS_INTERRUPTED;
firstVideo = false;
bSeekTarget = false;
ret->pmt = CreateMediaType(m_videoPmt);
}
if (ret->rtStart > videoPlaybackPosition)
{
videoPlaybackPosition = ret->rtStart;
//LogDebug("Videoplayback position (%d,%d) %I64d", nPlaylist, nClip, videoPlaybackPosition);
}
ret->rtPlaylistTime = ret->rtStart - m_playlistOffset;
ret->rtClipStartTime = ret->rtStart - earliestPacketAccepted;
ret->rtStart += clipPlaylistOffset - earliestPacketAccepted;
ret->rtStop += clipPlaylistOffset - earliestPacketAccepted;
}
}
// LogDebug("Clip: vid: return Packet rtStart: %I64d offset: %I64d seekRequired %d",ret->rtStart, ret->rtOffset,ret->bSeekRequired);
return ret;
}
Packet* CPlaylist::ReturnNextVideoPacket()
{
CAutoLock vectorLock(&m_sectionVector);
firstPacketRead=true;
Packet * ret = (*m_itCurrentVideoPlayBackClip)->ReturnNextVideoPacket(playlistFirstPacketTime);
if (ret)
{
ret->nPlaylist=nPlaylist;
}
else
{
if ((m_itCurrentVideoPlayBackClip+1) == m_vecClips.end())
{
SetEmptiedVideo();
}
else
{
(*(m_itCurrentVideoPlayBackClip))->Superceed(SUPERCEEDED_VIDEO_RETURN);
m_itCurrentVideoPlayBackClip++;
ret=ReturnNextVideoPacket();
}
}
return ret;
}
