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