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#include <unistd.h>
#include "playvideo.h"
#include <QDebug>
PlayVideo::PlayVideo(QObject *parent,
QQueue<MediaPacket *> *videoQueue,
QMutex *sendMutex,
void *channel,
int stream_id) :
QObject(parent)
{
this->videoQueue = videoQueue;
this->channel = channel;
this->sendMutex = sendMutex;
this->stream_id = stream_id;
elapsedTime = 0;
pausedTime = 0;
la_seekPos = -1;
vcrFlag = 0;
isStopped = false;
}
void PlayVideo::play()
{
MediaPacket *pkt;
int usl;
while (1)
{
vcrMutex.lock();
switch (vcrFlag)
{
case VCR_PLAY:
vcrFlag = 0;
vcrMutex.unlock();
if (pausedTime)
{
elapsedTime = av_gettime() - pausedTime;
pausedTime = 0;
}
isStopped = false;
continue;
break;
case VCR_PAUSE:
vcrMutex.unlock();
if (!pausedTime)
{
/* save amount of video played so far */
pausedTime = av_gettime() - elapsedTime;
}
usleep(1000 * 100);
isStopped = false;
continue;
break;
case VCR_STOP:
vcrMutex.unlock();
if (isStopped)
{
usleep(1000 * 100);
continue;
}
clearVideoQ();
elapsedTime = 0;
pausedTime = 0;
la_seekPos = -1;
xrdpvr_seek_media(0, 0);
isStopped = true;
continue;
break;
default:
vcrMutex.unlock();
goto label1;
break;
}
label1:
if (videoQueue->isEmpty())
{
continue;
}
pkt = videoQueue->dequeue();
sendMutex->lock();
send_video_pkt(channel, stream_id, pkt->av_pkt);
sendMutex->unlock();
usl = pkt->delay_in_us;
if (usl < 0)
{
usl = 0;
}
if (usl > 100 * 1000)
{
usl = 100 * 1000;
}
usleep(usl);
delete pkt;
updateMediaPos();
if (elapsedTime == 0)
elapsedTime = av_gettime();
/* time elapsed in 1/100th sec units since play started */
emit onElapsedtime((av_gettime() - elapsedTime) / 10000);
}
}
void PlayVideo::onMediaRestarted()
{
elapsedTime = av_gettime();
}
void PlayVideo::onMediaSeek(int value)
{
posMutex.lock();
la_seekPos = value;
posMutex.unlock();
}
void PlayVideo::updateMediaPos()
{
#if 0
if (elapsedTime == 0)
elapsedTime = av_gettime();
/* time elapsed in 1/100th sec units since play started */
emit onElapsedtime((av_gettime() - elapsedTime) / 10000);
#endif
posMutex.lock();
if (la_seekPos >= 0)
{
//qDebug() << "seeking to" << la_seekPos;
xrdpvr_seek_media(la_seekPos, 0);
elapsedTime = av_gettime() - la_seekPos * 1000000;
la_seekPos = -1;
}
posMutex.unlock();
}
void PlayVideo::setVcrOp(int op)
{
vcrMutex.lock();
this->vcrFlag = op;
vcrMutex.unlock();
}
void PlayVideo::clearVideoQ()
{
MediaPacket *pkt;
while (!videoQueue->isEmpty())
{
pkt = videoQueue->dequeue();
av_free_packet((AVPacket *) pkt->av_pkt);
delete pkt;
}
}
#if 0
void DecoderThread::updateSlider()
{
if (elapsedTime == 0)
elapsedTime = av_gettime();
/* time elapsed in 1/100th sec units since play started */
emit onElapsedtime((av_gettime() - elapsedTime) / 10000);
mutex.lock();
if (la_seekPos >= 0)
{
//qDebug() << "seeking to" << la_seekPos;
//audioTimer->stop();
//videoTimer->stop();
xrdpvr_seek_media(la_seekPos, 0);
elapsedTime = av_gettime() - la_seekPos * 1000000;
//audioTimer->start(10);
//videoTimer->start(10);
la_seekPos = -1;
}
mutex.unlock();
}
#endif
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