[FFmpeg-devel] [GSOC][PATCH 1/4] factoring obmc out of snow

Станислав Долганов stanislav.dolganov at gmail.com
Wed Aug 17 16:05:09 EEST 2016


> Thanks for the report! Typically, people will measure a few coding points
> per file (instead of one) so you can plot filesize vs. quality (in
whatever
> metric) and see relative improvement between clips (old vs. new) over
> interpolated points. See e.g. a graph like this:
>
> https://blogs.gnome.org/rbultje/files/2015/09/vp9-
x264-x265-encoding-quality.png

But FFV1 is lossless, so there is no quality range.

2016-08-17 14:59 GMT+03:00 Ronald S. Bultje <rsbultje at gmail.com>:

> Hi Stanislav,
>
> On Wed, Aug 17, 2016 at 7:07 AM, Станислав Долганов <
> stanislav.dolganov at gmail.com> wrote:
>
> > Hello,
> >
> > I'm sending the patch set with implementation of GSoC project -- FFV1 P
> > frame support. The current FFV1 uses the same OBMC code as the Snow
> codec.
> > Also new median_me_mp function has appeared.
> >
> > I'm attaching speed&compression report to every patch to proof
> effectivity
> > of each implemented part.
>
>
> Thanks for the report! Typically, people will measure a few coding points
> per file (instead of one) so you can plot filesize vs. quality (in whatever
> metric) and see relative improvement between clips (old vs. new) over
> interpolated points. See e.g. a graph like this:
>
> https://blogs.gnome.org/rbultje/files/2015/09/vp9-
> x264-x265-encoding-quality.png
>
> More importantly: nice work!
>
> Ronald
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>



-- 
Станислав Долганов


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