[FFmpeg-devel] [RFC]rv20 should be experimental

Carl Eugen Hoyos cehoyos
Fri Sep 10 13:54:42 CEST 2010

Michael Niedermayer <michaelni <at> gmx.at> writes:

> On Fri, Sep 10, 2010 at 12:21:57AM +0200, Michael Niedermayer wrote:
> > On Thu, Sep 09, 2010 at 10:53:42PM +0200, Carl Eugen Hoyos wrote:
> > > I wanted to suggest attached patch since ffrv20-encoded videos cannot be 
> > > decoded without artefacts with Real codecs
> > 
> > was that always the case? or is it a problem that appeared at some ffmpeg
> > revission or a real player revission?

I tested current svn and -r{2005-01-01} with current realplayer and mplayer -vc
-ffrv20, and all combinations showed the same artefacts (I believe you would
immediately know what the problem is).

> also do videos that are stream copied from working rv20 work?
> aka does our muxer work ?

No, but that seems unrelated since instead of just showing artefacts, remuxed
videos can't be read by ffmpeg/ffplay/mplayer (I tested python_tribute.rm).

Carl Eugen

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