[FFmpeg-devel] Post-processing filter Documentation

[Michael Niedermayer]

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
encoding

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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