void AVPlayer::stop()
{
if (!isPlaying())
return;
qDebug("AVPlayer::stop");
//blockSignals(true); //TODO: move emit stopped() before it. or connect avthread.finished() to tryEmitStop() {if (!called_by_stop) emit}
struct avthreads_t {
AVThread *thread;
const char *name;
} threads[] = {
{ audio_thread, "audio thread" },
{ video_thread, "video thread" },
{ 0, 0 }
};
for (int i = 0; threads[i].name; ++i) {
AVThread *thread = threads[i].thread;
if (!thread)
continue;
if (thread->isRunning()) {
qDebug("stopping %s...", threads[i].name);
//avoid emit stopped multiple times. AVThread.stopped() connects to AVDemuxThread.stopped().
thread->blockSignals(true);
thread->stop();
if (!thread->wait(1000)) {
qWarning("Timeout waiting for %s stopped. Terminate it.", threads[i].name);
thread->terminate();
}
thread->blockSignals(false);
}
}
//stop demux thread after avthread is better. otherwise demux thread may be terminated when waiting for avthread ?
if (demuxer_thread->isRunning()) {
qDebug("stopping demux thread...");
demuxer_thread->stop();
//wait for finish then we can safely set the vars, e.g. a/v decoders
if (!demuxer_thread->wait(1000)) {
qWarning("Timeout waiting for demux thread stopped. Terminate it.");
demuxer_thread->terminate(); //Terminate() causes the wait condition destroyed without waking up
}
}
qDebug("all threads [a|v|d] stopped...");
emit stopped();
}
//No more data to put. So stop blocking the queue to take the reset elements
void AVDemuxThread::stop()
{
//this will not affect the pause state if we pause the output
//TODO: why remove blockFull(false) can not play another file?
AVThread* av[] = { audio_thread, video_thread};
for (size_t i = 0; i < sizeof(av)/sizeof(av[0]); ++i) {
AVThread* t = av[i];
if (!t)
continue;
t->packetQueue()->clear();
t->packetQueue()->blockFull(false); //??
while (t->isRunning()) {
qDebug() << "stopping thread " << t;
t->stop();
t->wait(500);
}
}
pause(false);
cond.wakeAll();
qDebug("all avthread finished. try to exit demux thread<<<<<<");
end = true;
}