[FFmpeg-devel] [PATCH] lavfi: USPP filter

[Michael Niedermayer]

On Wed, Dec 10, 2014 at 11:31:56PM +0530, arwa arif wrote:
> Updated the patch.

>  doc/filters.texi         |   25 ++
>  libavfilter/Makefile     |    1 
>  libavfilter/allfilters.c |    1 
>  libavfilter/vf_uspp.c    |  491 +++++++++++++++++++++++++++++++++++++++++++++++
>  4 files changed, 518 insertions(+)
> 86fde68c55f05e9fcae34fe354e00a1bb2778740  0001-lavfi-USPP-Filter.patch
> From 4683bd42a8148ec23c47de748adcf705c7aa9415 Mon Sep 17 00:00:00 2001
> From: Arwa Arif <arwaarif1994 at gmail.com>
> Date: Sun, 7 Dec 2014 18:56:46 +0530
> Subject: [PATCH] lavfi: USPP Filter

nice

The output matches the libmpcodecs filter
tested with:
./ffmpeg_g -i /matrixbench_mpeg2.mpg -vf uspp=2:10 -vframes 5 -f framecrc NEW
./ffmpeg_g -i /matrixbench_mpeg2.mpg -vf mp=uspp=2:10 -vframes 5 -f framecrc OLD
and  with uspp=5:11 -vframes 20


if no qp is specified the output differs but i think thats just how it
is, i dont know if libmpcodecs from inside libavfilter passed the qp
values correctly itself.

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Asymptotically faster algorithms should always be preferred if you have
asymptotical amounts of data
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