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, then look into 
doc/examples to learn how to use libavformat and libavcodec.

Carl Eugen

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