bool FFmpegPlayer::handleCommand(const Command cmd)
{
switch (cmd)
{
case CMD_PLAY:
cmdPlay();
return true;
case CMD_PAUSE:
cmdPause();
return true;
case CMD_REWIND:
cmdRewind();
return true;
case CMD_SEEK:
cmdSeek(m_seek_time);
return true;
case CMD_STOP:
cmdPause();
return false;
case CMD_ACTOUTPUT:
cmdActivateOutput();
return true;
default:
//OSG_WARN << "FFmpegPlayer::handleCommand() Unsupported command" << std::endl;
av_log(NULL, AV_LOG_WARNING, "FFmpegPlayer::handleCommand() Unsupported command");
return false;
}
}
void FFmpegPlayer::cmdSeek(double time)
{
cmdPause();
//
const unsigned long ul_time = time;
m_streamer.seek(ul_time);
}
bool FFmpegImageStream::handleCommand(const Command cmd)
{
switch (cmd)
{
case CMD_PLAY:
cmdPlay();
return true;
case CMD_PAUSE:
cmdPause();
return true;
case CMD_REWIND:
cmdRewind();
return true;
case CMD_SEEK:
cmdSeek(m_seek_time);
return true;
case CMD_STOP:
return false;
default:
assert(false);
return false;
}
}
void FFmpegPlayer::run()
{
av_log(NULL, AV_LOG_INFO, "Start FFmpegPlayer::run()");
try
{
Mutex lockMutex;
ScopedLock lock(lockMutex);
bool done = false;
while (! done)
{
if (_status == PLAYING)
{
bool no_cmd;
const Command cmd = m_commands->timedPop(no_cmd, 1);
if (no_cmd)
{
m_commandQueue_cond.wait(& lockMutex);
}
else
{
done = ! handleCommand(cmd);
}
}
else
{
done = ! handleCommand(m_commands->pop());
}
}
}
catch (const std::exception & error)
{
//OSG_WARN << "FFmpegPlayer::run : " << error.what() << std::endl;
av_log(NULL, AV_LOG_WARNING, "FFmpegPlayer::run : %s", error.what());
}
catch (...)
{
//OSG_WARN << "FFmpegPlayer::run : unhandled exception" << std::endl;
av_log(NULL, AV_LOG_WARNING, "FFmpegPlayer::run : unhandled exception");
}
//OSG_NOTICE<<"Finished FFmpegPlayer::run()"<<std::endl;
av_log(NULL, AV_LOG_INFO, "Finished FFmpegPlayer::run()");
// Ensure that all threads are closed
cmdPause();
//
// Because \open() starts thread, here we should call \close()
close();
}
// todo: it is strange, but here we need to init SDL in main thread, not in command-stack om shadow thread.
void FFmpegPlayer::activateOutput()
{
const PlayingStatus prevStatus = get_status();
if (prevStatus == PLAYING)
cmdPause();
//pushCommand(CMD_ACTOUTPUT);
cmdActivateOutput();
if (prevStatus == PLAYING)
cmdPlay();
}
