Packet* CPlaylist::ReturnNextAudioPacket()
{
CAutoLock vectorLock(&m_sectionVector);
firstPacketRead=true;
firstAudioPESPacketSeen=true;
Packet * ret = (*m_itCurrentAudioPlayBackClip)->ReturnNextAudioPacket(playlistFirstPacketTime);
if (ret)
{
ret->nPlaylist=nPlaylist;
}
else
{
if (m_itCurrentAudioPlayBackClip - m_vecClips.begin() == m_vecClips.size() - 1)
{
SetEmptiedAudio();
}
else
{
(*m_itCurrentAudioPlayBackClip)->Superceed(SUPERCEEDED_AUDIO_RETURN);
m_itCurrentAudioPlayBackClip++;
ret=ReturnNextAudioPacket();
}
}
return ret;
}
Packet* CClip::ReturnNextAudioPacket(REFERENCE_TIME playlistOffset)
{
CAutoLock vectorALock(&m_sectionVectorAudio);
Packet* ret=NULL;
if (!firstPacketReturned)
{
// CAutoLock lock (&m_sectionRead);
firstPacketReturned=true;
if (abs(earliestPacketAccepted - playlistFirstPacketTime - m_rtClipStartingOffset) > ONE_SECOND)
{
m_rtClipStartingOffset = earliestPacketAccepted - playlistFirstPacketTime;
}
return ReturnNextAudioPacket(playlistOffset);
}
if (noAudio)
{
ret=GenerateFakeAudio(audioPlaybackPosition);
if (earliestPacketAccepted == INT64_MAX)
earliestPacketAccepted = audioPlaybackPosition;
}
else
{
if (m_vecClipAudioPackets.size()>0)
{
ivecAudioBuffers it = m_vecClipAudioPackets.begin();
ret=*it;
audioPlaybackPosition=ret->rtStart;
it=m_vecClipAudioPackets.erase(it);
}
}
if (ret && ret->rtStart!=Packet::INVALID_TIME)
{
if (firstAudio)
{
firstAudioPosition = ret->rtStart;
ret->nNewSegment = NS_STREAM_RESET;
ret->bDiscontinuity = clipInterrupted | bSeekTarget | clipReset;
firstAudio = false;
if (!clipReset) ret->nNewSegment |= NS_NEW_CLIP;
if (clipInterrupted) ret->nNewSegment |= NS_INTERRUPTED;
}
ret->rtPlaylistTime = ret->rtStart - m_playlistOffset;
ret->rtClipStartTime = ret->rtStart - earliestPacketAccepted;
ret->rtStart += clipPlaylistOffset - earliestPacketAccepted;
ret->rtStop += clipPlaylistOffset - earliestPacketAccepted;
}
// LogDebug("Clip: aud: return Packet rtStart: %I64d offset: %I64d seekRequired %d",ret->rtStart, ret->rtOffset,ret->bSeekRequired);
return ret;
}
