int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
QString file = "test.avi";
int idx = a.arguments().indexOf("-f");
if (idx > 0)
file = a.arguments().at(idx + 1);
QString decName("FFmpeg");
idx = a.arguments().indexOf("-vc");
if (idx > 0)
decName = a.arguments().at(idx + 1);
VideoDecoderId cid = VideoDecoderFactory::id(decName.toStdString());
if (cid <= 0) {
qWarning("Can not find decoder: %s", decName.toUtf8().constData());
return 1;
}
VideoDecoder *dec = VideoDecoderFactory::create(cid);
AVDemuxer demux;
if (!demux.loadFile(file)) {
qWarning("Failed to load file: %s", file.toUtf8().constData());
return 1;
}
dec->setCodecContext(demux.videoCodecContext());
dec->prepare();
dec->open();
QElapsedTimer timer;
timer.start();
int count = 0;
VideoFrame frame;
while (!demux.atEnd()) {
if (!demux.readFrame())
continue;
if (dec->decode(demux.packet()->data)) {
/*
* TODO: may contains more than 1 frames
* map from gpu or not?
*/
//frame = dec->frame().clone();
count++;
}
}
qint64 elapsed = timer.elapsed();
int msec = elapsed/1000LL;
qDebug("decoded frames: %d, time: %d, average speed: %d", count, msec, count/msec);
return 0;
}
