[MPlayer-users] encoding audio as Ogg/Vorbis

D Richard Felker III dalias at aerifal.cx
Mon Jul 14 05:38:04 CEST 2003


On Sun, Jul 13, 2003 at 11:29:26PM +0200, Moritz Bunkus wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]

> Hi.
> 
> > mencoder itself probably can't encode Vorbis but can use preencoded 
> > streams. Only MPlayer (and *nix) will be able to play them, since 
> > much players never expect Vorbis in AVIs, but Mplayer doesn't 
> > assume. 
> 
> Do NOT EVER put Vorbis into AVI. Not if you ever intend to seek in that
> file. Vorbis is not only VBR but VSP (variable number of samples per
> packet, MP3 has a fixed number of samples per packet). AVI does not
> contain timestamps, so A/V sync is not guaranteed if you put Vorbis into
> AVI.

Doesn't matter; the output generated with -oac copy and vorbis audio
is broken and nonplayable. Whoever wrote that crap in the manpage
needs to drink some cola....

Rich



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