void CCVideoThread::run_video()
{
DPTR_D(CCVideoThread);
if (!d.dec || !d.dec->is_available() || !d.writer)
return;
reset_state();
Q_ASSERT(d.clock != 0);
CCDecodeVideo *dec = static_cast<CCDecodeVideo*>(d.dec);
CCVideoRenderer* vo = static_cast<CCVideoRenderer*>(d.writer);
while (!d.stop) {
if (try_pause()) {
if (d.stop)
break;
}
std::unique_lock<std::mutex> lock(d.mutex_);
if (d.packets.is_empty() && !d.stop) {
d.stop = d.demux_end;
if (d.stop) {
break;
}
}
PacketData pkt;
d.packets.pop(pkt);
if (!pkt.is_valid()) {
qDebug("Invalid pts or empty packet!");
dec->flush_codec();
continue;
}
d.delay = pkt.pts - d.clock->value();
if (qAbs(d.delay) < 2.718) {
if (d.delay > kSyncThreshold) {
av_usleep(d.delay * 1000000);
}
else if (d.delay < -kSyncThreshold) {
//continue;
}
}
else {
qDebug("delay %f/%f", d.delay, d.clock->value());
if (d.delay > 0) {
av_usleep(0.064 * 1000000);
}
else {
continue;
}
}
d.clock->update_video_pts(pkt.pts);
bool vo_ok = vo && vo->is_available();
if (vo_ok) {
if (vo->last_width() > 0 && vo->last_height() > 0 && !vo->scale_in())
dec->resize_video(vo->last_size());
else
vo->set_source_size(dec->width(), dec->height()); //setLastSize()
}
ByteArray da(pkt.date);
if (d.dec->decode(da)) {
d.pts = pkt.pts;
d.decoded_datas = d.dec->data_video();
if (vo_ok) {
vo->write_data(d.decoded_datas);
}
/*d.width = dec->width();
d.height = dec->height();
d.decoded_datas = d.dec->data_video();
if (vo && vo->is_available()) {
vo->set_source_size(dec->width(), dec->height());
vo->write_data(d.decoded_datas);
}*/
}
if (vo_ok && !vo->scale_in())
vo->set_source_size(vo->video_sizes());
}
qDebug("Video thread stops running...");
}
