[Libav-user] How to extract a H264 video frame (container is 3GPP/MP4) into a JPG File (with libavformat and libavcode) ?

2013-03-22 Thread 张弘强
HI, Recently, I’m doing development to generate video clips’ thumbnail pic file. But, it is hard without development guide, would you please show me some example code for it? The attachment is sample video. And it is need to rotate with the Stream MetaData: rotate: 90 Thank you very much.

Re: [Libav-user] How to extract a H264 video frame (container is 3GPP/MP4) into a JPG File (with libavformat and libavcode) ?

2013-03-22 Thread Carl Eugen Hoyos
张弘强 zhanghongqiang@... writes: Recently, I’m doing development to generate video clips’ thumbnail pic file. But, it is hard without development guide, would you please show me some example code for it? First confirm that ffmpeg (the command line application) allows you to do what you want,