[FFmpeg-devel] Allow VP9 and Opus in webm format

Michael Niedermayer michaelni at gmx.at
Wed Jul 3 00:13:30 CEST 2013


On Sun, Jun 02, 2013 at 06:33:58PM +0200, Tudor SUCIU wrote:
> Fixes small typo
> 
> 
> On Sun, Jun 2, 2013 at 5:55 PM, Tudor SUCIU <tudor.suciu at gmail.com> wrote:
> 
> > I missed the fact that without VP9 it does not demand -strict -2, added a
> > check for that.
> > Is it better?
> >
> >
> > On Sun, Jun 2, 2013 at 4:45 PM, Tudor SUCIU <tudor.suciu at gmail.com> wrote:
> >
> >> It is not encouraged, you have to put -strict -2 in the command line in
> >> order to make it work.
> >> The opus part seems ok with my chromebook, I have problems with vp9(If we
> >> consider chrome dev channel as a reference).
> >>
> >>
> >> On Sun, Jun 2, 2013 at 3:15 PM, Hendrik Leppkes <h.leppkes at gmail.com>wrote:
> >>
> >>> On Sun, Jun 2, 2013 at 1:00 PM, Tudor SUCIU <tudor.suciu at gmail.com>
> >>> wrote:
> >>>
> >>> > As there are already examples of webm files with VP9 and Opus, i think
> >>> > ffmpeg can allow this codecs in webm format.
> >>> > I successfully used the patch to -vcodec copy a vp9 and encode an opus
> >>> > audio.
> >>> > For a vp9 encoded file, chromebook was not able to decode it, but
> >>> vpxdec
> >>> > worked just fine.
> >>> >
> >>> >
> >>> Personally i think that until the spec for storing Opus in MKV/WebM is
> >>> finalized, it should not be encouraged to be used yet.
> >>> _______________________________________________
> >>> ffmpeg-devel mailing list
> >>> ffmpeg-devel at ffmpeg.org
> >>> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> >>>
> >>
> >>
> >

>  matroskaenc.c |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 9729da2be583e9fb7cead7687cde483603a6147e  0001-Allow-VP9-and-Opus-in-webm.patch
> From 5c669343d449912905b9bbc473c09c201375049f Mon Sep 17 00:00:00 2001
> From: Tudor Suciu <tudor.suciu at gmail.com>
> Date: Sun, 2 Jun 2013 17:49:24 +0200
> Subject: [PATCH] Allow VP9 and Opus in webm

patch applied

thanks

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Those who are too smart to engage in politics are punished by being
governed by those who are dumber. -- Plato 
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