Thanks for your reply. It will help. I didn't think about it.
After analysing it seems that the function av_read_frame() is take a lot of time. I was thinking of using another method instead of this one. But couldn't find for the moment... Math Le 17 sept. 2014 12:19, "Taha Ansari" <[email protected]> a écrit : > > A quick look at your code, you are opening up the encoder each time you > write to disk: > > png_encoder_codec = avcodec_find_encoder_by_name ("png"); > > Do it just once, like at startup time, and use encoding routines on this > png_encoder_codec later. > > Hope this helps > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > >
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