int cv_show_frame(uchar * data[],int height,int width)
{
static int num = 0;
num++;
cv::Mat res = frame2mat(data, height, width);
cv::imshow("final", (cv::InputArray) res);
cv::waitKey(30);
return 0;
}
void PacketReceiver::threadFunc()
{
init();
mainWindow->log("Empfange Pakete…");
int error;
int gotPicture = 0;
AVPacket packet;
while (!quit)
{
try
{
packet = { 0 };
av_init_packet(&packet);
error = av_read_frame(formatCtx, &packet);
if (error < 0)
{
throw KasinoException(avErr2Str(error));
}
if (packet.stream_index == videoStreamNr)
{
error = avcodec_decode_video2(codecCtx,
frameReceived,
&gotPicture,
&packet);
if (error < 0)
{
throw KasinoException(avErr2Str(error));
}
if (gotPicture != 0)
{
sws_scale(imgConverter,
((AVPicture*)frameReceived)->data,
((AVPicture*)frameReceived)->linesize,
0,
codecCtx->height,
((AVPicture *)frameBGR)->data,
((AVPicture *)frameBGR)->linesize);
cv::Mat imgCv;
frame2mat(*frameBGR, imgCv);
Frame* frame = new Frame(imgCv);
if (frame == NULL)
{
throw NotEnoughSpaceException();
}
frame->pts = frameReceived->pkt_pts; // todo welchen Wert hier reinziehen?
frame->quali = stream.getQuali();
push(frame);
}
}
}
catch(KasinoException& e)
{
mainWindow->log(e.what(), ERROR);
}
av_free_packet(&packet);
}
}