void AVDemuxThread::seekOnPauseFinished() { AVThread *thread = video_thread ? video_thread : audio_thread; Q_ASSERT(thread); disconnect(thread, SIGNAL(seekFinished(qint64)), this, SLOT(seekOnPauseFinished())); if (user_paused) { pause(true); // restore pause state emit requestClockPause(true); // need direct connection // pause video/audio thread if (video_thread) video_thread->pause(true); if (audio_thread) audio_thread->pause(true); } }
void AVDemuxThread::seekInternal(qint64 pos, SeekType type) { AVThread* av[] = { audio_thread, video_thread}; qDebug("seek to %s %lld ms (%f%%)", QTime(0, 0, 0).addMSecs(pos).toString().toUtf8().constData(), pos, double(pos - demuxer->startTime())/double(demuxer->duration())*100.0); demuxer->setSeekType(type); demuxer->seek(pos); if (ademuxer) { ademuxer->setSeekType(type); ademuxer->seek(pos); } AVThread *watch_thread = 0; // TODO: why queue may not empty? int sync_id = 0; for (size_t i = 0; i < sizeof(av)/sizeof(av[0]); ++i) { AVThread *t = av[i]; if (!t) continue; if (!sync_id) sync_id = t->clock()->syncStart(!!audio_thread + !!video_thread); Q_ASSERT(sync_id != 0); qDebug("demuxer sync id: %d/%d", sync_id, t->clock()->syncId()); t->packetQueue()->clear(); t->requestSeek(); // TODO: the first frame (key frame) will not be decoded correctly if flush() is called. //PacketBuffer *pb = t->packetQueue(); //qDebug("%s put seek packet. %d/%d-%.3f, progress: %.3f", t->metaObject()->className(), pb->buffered(), pb->bufferValue(), pb->bufferMax(), pb->bufferProgress()); t->packetQueue()->setBlocking(false); // aqueue bufferValue can be small (1), we can not put and take Packet pkt; pkt.pts = qreal(pos)/1000.0; pkt.position = sync_id; t->packetQueue()->put(pkt); t->packetQueue()->setBlocking(true); // blockEmpty was false when eof is read. if (isPaused()) { //TODO: deal with pause in AVThread? t->pause(false); watch_thread = t; } } if (watch_thread) { pauseInternal(false); Q_EMIT requestClockPause(false); // need direct connection // direct connection is fine here connect(watch_thread, SIGNAL(seekFinished(qint64)), this, SLOT(seekOnPauseFinished()), Qt::DirectConnection); } }
void AVDemuxThread::seekOnPauseFinished() { AVThread *thread = video_thread ? video_thread : audio_thread; Q_ASSERT(thread); disconnect(thread, SIGNAL(seekFinished(qint64)), this, SLOT(seekOnPauseFinished())); if (user_paused) { pause(true); // restore pause state emit requestClockPause(true); // need direct connection // pause video/audio thread if (video_thread) video_thread->pause(true); if (audio_thread) audio_thread->pause(true); } if (clock_type >= 0) { thread->clock()->setClockAuto(clock_type & 1); thread->clock()->setClockType(AVClock::ClockType(clock_type/2)); clock_type = -1; } }