[libav-stable] On2 vp7 decoder in libav ?

Diego Biurrun diego at biurrun.de
Thu Mar 6 13:21:28 CET 2014

On Fri, Feb 28, 2014 at 01:34:48AM +0530, shirish शिरीष wrote:
> First please CC me if you are going to reply as I've disabled mail
> from the list as I saw and did suspect that this is and will be a
> high-traffic list.

I would not call this a high-traffic list.  It had 19 emails in February.

> After that, thank you all the users, bug-reporters, triagers,
> scripters, developers for giving us libav library.

You are welcome.

> I am a debian user and found that only couple of codecs/formats which
> are not in libav nor in ffmpeg, one of which is On2vp7 decoder. See
> https://en.wikipedia.org/wiki/Comparison_of_video_codecs for details.
> I had found a better table than this somewhere on the web but now
> can't find it again (for codecs support by various free software
> libraries which provide conversion, play, stream and process audio and
> video for the end user (i.e. me).

VP7 is an extremely fringe codec.  You will be hard pressed to find any
samples in the wild.

> Now it seems ffmpeg is starting to move to give/share On2vp7 decoder
> support to it's library.
> http://ffmpeg.org/pipermail/ffmpeg-devel/2014-February/154080.html
> http://ffmpeg.org/pipermail/ffmpeg-devel/2014-February/154625.html
> Now, could somebody tell/share if we could expect some similar
> movement on libav as well ?

Yes, we will cherry-pick the codec soon, where "soon" should be sometime
this month.


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