[FFmpeg-devel] Post-processing filter Documentation
michaelni at gmx.at
Wed Jan 21 13:45:06 CET 2015
On Wed, Jan 21, 2015 at 09:42:03AM +0100, Stefano Sabatini wrote:
> On date Tuesday 2015-01-20 22:34:15 +0530, Arwa Arif encoded:
> > >
> > > Still missing benchmarks and pp filter covering.
> > >
> > >
> > What is meant by pp filter covering?
> I mean that there are no images obtained by applying pp (and uspp as
> > Do you want benchmark for each image? And by benchmark you mean runtime,
> > right?
> No, I think you should use a complete video as benchmark. You can show
> the values in a separate dedicated section. For example you could use
> a low-quality matrix_bench.mpg.
> For example:
> ffmpeg -i matrixbench_mpeg2.mpg -b:v 200k matrixbench_mpeg2-lq.mpg
> ffmpeg -i matrixbench_mpeg2-lq.mpg -an -c:v rawvideo matrixbench_mpeg2-lq.rawvideo.nut
> (the output is 2.8GiB here)
> ffmpeg -benchmark -i matrixbench_mpeg2-lq.rawvideo.nut -vf PP -f null -
this could end up being limited by disk speed and not *pp
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