[FFmpeg-devel] Post-processing filter Documentation
arwaarif1994 at gmail.com
Mon Jan 19 00:11:37 CET 2015
On Sun, Jan 18, 2015 at 2:43 AM, Michael Niedermayer <michaelni at gmx.at>
> On Sun, Jan 18, 2015 at 02:05:55AM +0530, arwa arif wrote:
> > This is an attempt for explaining the use of post-processing filters.
> > http://trac.ffmpeg.org/wiki/Postprocessing
> some random thoughts/corrections/extensions i had when reading:
> QP is choosen by the encoder used to create the video, VCD,DVD, ...
> QP can vary from frame to frame and from macroblock to macroblock.
> lower QP for the encoder results in higher bitrate and higher quality
> If no "QP" parameter is specified by the user to the Postprocessing
> filter then it should use the one that is stored in the encoded file
> for the specific area
> Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
> Republics decline into democracies and democracies degenerate into
> despotisms. -- Aristotle
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Updated. Any comment on the images?
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