本文整理汇总了C++中VideoDecoder::decode方法的典型用法代码示例。如果您正苦于以下问题：C++ VideoDecoder::decode方法的具体用法？C++ VideoDecoder::decode怎么用？C++ VideoDecoder::decode使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类VideoDecoder的用法示例。
在下文中一共展示了VideoDecoder::decode方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: onData
virtual void onData(LiveTrack* track, uint8_t* p_buffer, int i_size,
int i_truncated_bytes, int64_t pts, int64_t dts) {
//std::cout << "Got Data. size = " << i_size << "; truncated bytes = " << i_truncated_bytes << "; pts = " << pts << "; dts = " << dts << std::endl;
//std::cout << "Got Data. size = " << i_size << "; pts = " << pts << std::endl;
int consumed;
if (track->getFormat().i_codec != VLC_CODEC_H264)
return;
//std::cout << "Got H264 Data. size = " << i_size << "; truncated bytes = " << i_truncated_bytes << "; NAL type = " << (int)(p_buffer[4] & 0x1f) << std::endl;
if (!decoder) {
decoder = new VideoDecoder();
decoder->openCodec(0);
if (track->getFormat().p_extra) {
decoder->decode(track->getFormat().p_extra,
track->getFormat().i_extra, consumed);
}
}
uint8_t* tmp = p_buffer;
int left = i_size;
while (left) {
AVFrame* ret = decoder->decode(tmp, left, consumed);
if (ret) {
av_frame_unref(ret);
#ifdef TEST_MULTI_CLIENT
std::cout << "client " << this << " got frame!!!\n";
#endif
}
tmp += consumed;
left -= consumed;
}
}示例2: main
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;
}