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#include "demuxmedia.h"
DemuxMedia::DemuxMedia(QObject *parent, QQueue<MediaPacket *> *audioQueue,
QQueue<MediaPacket *> *videoQueue, void *channel, int stream_id) :
QObject(parent)
{
this->audioQueue = audioQueue;
this->videoQueue = videoQueue;
this->channel = channel;
this->stream_id = stream_id;
this->threadsStarted = false;
this->vcrFlag = 0;
playAudio = new PlayAudio(NULL, audioQueue, &sendMutex, channel, 101);
playAudioThread = new QThread(this);
connect(playAudioThread, SIGNAL(started()), playAudio, SLOT(play()));
playAudio->moveToThread(playAudioThread);
playVideo = new PlayVideo(NULL, videoQueue, &sendMutex, channel, 101);
playVideoThread = new QThread(this);
connect(playVideoThread, SIGNAL(started()), playVideo, SLOT(play()));
playVideo->moveToThread(playVideoThread);
}
void DemuxMedia::setVcrOp(int op)
{
vcrMutex.lock();
vcrFlag = op;
vcrMutex.unlock();
if (playVideo)
playVideo->setVcrOp(op);
if (playAudio)
playAudio->setVcrOp(op);
}
void DemuxMedia::startDemuxing()
{
MediaPacket *mediaPkt;
int is_video_frame;
int rv;
if ((audioQueue == NULL) || (videoQueue == NULL))
return;
while (1)
{
vcrMutex.lock();
switch (vcrFlag)
{
case VCR_PLAY:
vcrFlag = 0;
vcrMutex.unlock();
continue;
break;
case VCR_PAUSE:
vcrMutex.unlock();
usleep(1000 * 100);
continue;
break;
case VCR_STOP:
vcrMutex.unlock();
usleep(1000 * 100);
continue;
break;
default:
vcrMutex.unlock();
break;
}
if ((audioQueue->count() >= 20) || (videoQueue->count() >= 20))
{
if (!threadsStarted)
startAudioVideoThreads();
usleep(1000 * 20);
}
mediaPkt = new MediaPacket;
rv = xrdpvr_get_frame(&mediaPkt->av_pkt,
&is_video_frame,
&mediaPkt->delay_in_us);
if (rv < 0)
{
/* looks like we reached end of file */
delete mediaPkt;
usleep(1000 * 100);
continue;
}
if (is_video_frame)
videoQueue->enqueue(mediaPkt);
else
audioQueue->enqueue(mediaPkt);
} /* end while (1) */
}
PlayVideo * DemuxMedia::getPlayVideoInstance()
{
return this->playVideo;
}
void DemuxMedia::startAudioVideoThreads()
{
if (threadsStarted)
return;
playVideoThread->start();
playAudioThread->start();
threadsStarted = true;
}
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