On Tue, May 15, 2012 at 8:46 AM, Carl Eugen Hoyos <[email protected]> wrote:
> <amir.rouhi@...> writes: > > > Would you explain how can i test it with referenced decoder? > > do you mean , testing by JM software? > > Yes, JM is the H264 reference decoder. > > > If you mean this, i should say that i have extracted i > > frames by JM software and they are 4 and same as the number > > that ffmpeg shows. > > Then a bug seems unlikely, don't you agree? > If I understand correctly, Amir complains about the encoder, not the decoder. Using JM he verified that the I-frames are not sharp, and not inserted adaptively at big changes of the scene. This is either a problem of x264 encoder, or of (failing to) specify the correct options for the encoder via ffmpeg command line. Sincerely, Alex Cohn
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