[MPlayer-dev-eng] RealVideo

Alex Beregszaszi alex at naxine.org
Wed Dec 26 19:41:38 CET 2001


Hi,

I started working on Real demuxer for Mplayer, now. :)

--
alex

On Wed, Dec 26, 2001 at 07:34:31PM +0100, Alex Beregszaszi wrote:
> Hi,
> 
> I tested some RealMedia files with ffmpeg, and the result is:
> 
>   Stream #0.0: Video: rv10, 160x128, 25.00 fps, 200 kb/s
>   Stream #0.1: Audio: ac3, 44100 Hz, mono, 64 kb/s
> 
> On Wed, Dec 26, 2001 at 07:09:32PM +0100, Johannes Feigl wrote:
> > On Wed, Dec 26, 2001 at 10:55:29AM -0700, Mike Melanson wrote:
> > > > BTW: a real-demuxer would be also very good ...
> > > > look at ffmpeg, it has an open-source demuxer and libavcodec can decode
> > > > a lot of these also real formats ...
> > > 
> > > 	True, writing a Real file format demuxer wouldn't be too hard
> > > (done it before). But what's this about being able to decode the
> > > compressed media chunks inside? Last time I checked, there were at least 3
> > > distinct Real audio codecs and 3 distinct Real video codecs, all
> > > proprietary, closed-source, binary-only. Are you saying that ffmpeg knows
> > > how to decode those 6 codecs and has implemented them in open source?
> > 
> > well, I don't know which formats they are, but i know from
> > 
> > RV10
> > H623+
> > 
> > these formats are also used in RealVideo and can be decoded by
> > libavcodec.
> > but look at the libavcodec/ffmpeg homepage... maybe you'll find
> > necessary informations ...
> > 
> > mfg Johannes
> > _______________________________________________
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> > MPlayer-dev-eng at mplayerhq.hu
> > http://mplayerhq.hu/mailman/listinfo/mplayer-dev-eng
> 
> --
> alex 
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