void FFmpegDecoder::videoParseRunnable()
{
CHANNEL_LOG(ffmpeg_threads) << "Video thread started";
m_videoStartClock = VIDEO_START_CLOCK_NOT_INITIALIZED;
double videoClock = 0; // pts of last decoded frame / predicted pts of next decoded frame
VideoParseContext context{};
for (;;)
{
if (m_isPaused && !m_isVideoSeekingWhilePaused)
{
boost::unique_lock<boost::mutex> locker(m_isPausedMutex);
while (m_isPaused && !m_isVideoSeekingWhilePaused)
{
m_isPausedCV.wait(locker);
}
}
for (;;)
{
AVPacket packet;
if (!m_videoPacketsQueue.pop(packet,
[this] { return m_isPaused && !m_isVideoSeekingWhilePaused; }))
{
break;
}
auto packetGuard = MakeGuard(&packet, av_packet_unref);
if (!handleVideoPacket(packet, videoClock, context)
|| m_isPaused && !m_isVideoSeekingWhilePaused)
{
break;
}
}
}
}
void D2V::index() {
AVPacket packet;
av_init_packet(&packet);
while (av_read_frame(f->fctx, &packet) == 0) {
if (stop_processing) {
stop_processing = false;
result = ProcessingCancelled;
fclose(d2v_file);
closeAudioFiles(audio_files, f->fctx);
return;
}
// Apparently we might receive packets from streams with AVDISCARD_ALL set,
// and also from streams discovered late, probably.
if (packet.stream_index != video_stream->index &&
!audio_files.count(packet.stream_index)) {
av_free_packet(&packet);
continue;
}
bool okay = true;
if (packet.stream_index == video_stream->index)
okay = handleVideoPacket(&packet);
else
okay = handleAudioPacket(&packet);
if (!okay) {
av_free_packet(&packet);
result = ProcessingError;
fclose(d2v_file);
closeAudioFiles(audio_files, f->fctx);
return;
}
av_free_packet(&packet);
}
if (!isDataLineNull()) {
reorderDataLineFlags();
lines.push_back(line);
clearDataLine();
}
if (!lines.size()) {
result = ProcessingFinished;
fclose(d2v_file);
closeAudioFiles(audio_files, f->fctx);
return;
}
if (!printHeader()) {
result = ProcessingError;
fclose(d2v_file);
closeAudioFiles(audio_files, f->fctx);
return;
}
if (!printSettings()) {
result = ProcessingError;
fclose(d2v_file);
closeAudioFiles(audio_files, f->fctx);
return;
}
for (size_t i = 0; i < lines.size(); i++) {
if (stop_processing) {
stop_processing = false;
result = ProcessingCancelled;
fclose(d2v_file);
closeAudioFiles(audio_files, f->fctx);
return;
}
if (!printDataLine(lines[i])) {
result = ProcessingError;
fclose(d2v_file);
closeAudioFiles(audio_files, f->fctx);
return;
}
}
if (!printStreamEnd()) {
result = ProcessingError;
fclose(d2v_file);
closeAudioFiles(audio_files, f->fctx);
return;
}
result = ProcessingFinished;
fclose(d2v_file);
closeAudioFiles(audio_files, f->fctx);
}
