[FFmpeg-devel] Post-processing filter Documentation

Michael Niedermayer michaelni at gmx.at
Mon Jan 19 00:24:03 CET 2015


On Mon, Jan 19, 2015 at 04:41:37AM +0530, arwa arif wrote:
> On Sun, Jan 18, 2015 at 2:43 AM, Michael Niedermayer <michaelni at gmx.at>
> wrote:
> 
> > 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
> >
> > _______________________________________________
> > ffmpeg-devel mailing list
> > ffmpeg-devel at ffmpeg.org
> > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> >
> >
> 
> Updated. Any comment on the images?

the imagees are fine

thanks

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Let us carefully observe those good qualities wherein our enemies excel us
and endeavor to excel them, by avoiding what is faulty, and imitating what
is excellent in them. -- Plutarch
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