[FFmpeg-devel] [OPW] OPW Project Proposal

[Pallavi Kumari]

Necessary changes has been done. PFA.

Usage:

./ffmpeg -i kpg.mp3 -filter_complex peakpoints=wsize=16 -f null -

On Wed, Nov 2, 2016 at 6:14 AM, Michael Niedermayer <michael at niedermayer.cc>
wrote:

> On Wed, Nov 02, 2016 at 05:00:09AM +0530, Pallavi Kumari wrote:
> > Hi Michael,
> >
> > I have attached a working patch with the mail. PFA.
> >
> > Usage:
> >
>
> > ./ffmpeg -i kpg.mp3 -filter_complex peakpoints=input=kpg.mp3:wsize=16
>
> I realize now, theres a mistake in this, you must provide a output
> as in
> ./ffmpeg -i kpg.mp3 -af peakpoints -f null -
>
> without some output like  "-f null -" it wont read the file fully and
> wont pass it through filter_frame()
>
> you could see this failure as in:
> ./ffmpeg -i ~/videos/matrixbench_mpeg2.mpg -af volumedetect  -f null -
> vs.
> ./ffmpeg -i ~/videos/matrixbench_mpeg2.mpg -af volumedetect
>
> you get the histogram from the volume detect filter in the first case
> but not the 2nd.
>
> [...]
> --
> Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
>
> Many things microsoft did are stupid, but not doing something just because
> microsoft did it is even more stupid. If everything ms did were stupid they
> would be bankrupt already.
>
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