[FFmpeg-devel] Can ffmpeg print the average PSNR after encoding?

Michael Niedermayer michaelni
Wed Sep 26 16:23:06 CEST 2007

On Wed, Sep 26, 2007 at 08:33:07PM +0800, Yichuan Hu wrote:
> Hi, everyone!
> I am doing a test to encode a video on different parameter settings,
> and I want to use average PSNR to evaluate the encoding performance.
> However, by using '-psnr' parameter, the PSNR of each encoded frame is
> printed, where and how can I get the average PSNR?

the final overall PSNR is printed as well
and this belongs to ffmpeg-user

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

When the tyrant has disposed of foreign enemies by conquest or treaty, and
there is nothing more to fear from them, then he is always stirring up
some war or other, in order that the people may require a leader. -- Plato
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