bool decodeFrame(StreamFrameMap& streamFrames)
{
bool done = false;
while(!done)
{
// demux
PacketPtr packet = demuxPacket();
if(packet == 0){
FlogE("demuxing failed");
return 0;
}
// decode
decodePacket(packet, streamFrames);
// check if any frames finished
for(auto pair : streamFrames){
FramePtr frame = pair.second;
if(frame->finished != 0){
// set timestamp and break out of loop
int64_t pts = av_frame_get_best_effort_timestamp(frame->GetAvFrame());
if(pair.first == videoStream){
if(firstDts == AV_NOPTS_VALUE){
firstDts = frame->GetAvFrame()->pkt_dts;
FlogD("setting firstDts to: " << firstDts);
}
if(firstPts == AV_NOPTS_VALUE){
firstPts = pts;
FlogD("setting firstPts to: " << firstPts);
}
}
frame->SetPts(pts);
done = true;
}
}
}
// successfully decoded frame, reset retry counter
ResetRetries();
return true;
}
