[MPlayer-DOCS] CVS: main/DOCS/xml/en mencoder.xml,1.39,1.40

[Diego Biurrun]

On Fri, Apr 01, 2005 at 11:46:11AM +0200, Guillaume Poirier wrote:
> 
> On Apr 1, 2005 11:18 AM, Diego Biurrun <diego at biurrun.de> wrote:
> > On Fri, Apr 01, 2005 at 10:43:40AM +0200, Guillaume Poirier wrote:
> > 
> > NO!
> > 
> > You have the concepts of streams and muxing wrong.  Audio and video
> > streams (possibly along with other data like subtitles or whatever)
> > get muxed (multiplexed) into container (file) formats.  The containers
> > are demuxed (demultiplexed) to extract their contents, namely audio,
> > video, subtitle, whatever streams.
> > 
> > So a Vorbis audio track cannot be muxed into an output video stream.
> > Instead, a Vorbis audio track can be muxed into e.g. a Matroska
> > container side by side with a video stream.
> 
> I knew that already (so I though)... but I haven't chosen my words
> carefully. I'm sorry that I used the word "stream" when I meant
> "container" when in fact I do know the difference.
> 
> Here's the sentence you'd like (I guess):
> Please note that MEncoder currently can't currently mux Vorbis audio
> tracks into the output file because it only supports AVI and MPEG
> containers as an output, each of which leads to audio/video
> synchronization problems when they contain VBR audio streams such as
> Vorbis.
> Or:
> Please note that MEncoder currently can't currently mux Vorbis audio
> tracks into the output file because it only supports AVI and MPEG
> containers as an output, which are not compatible with VBR audio
> streams such as Vorbis.

Since Rich says that putting Vorbis in AVI is impossible and Michael
suggests that it is possible in theory, but not in practice I think the
sentence just has to go altogether.  I wonder why Vorbis is part of the
encoding guide then, though.

> Again, sorry for the trouble.

Sorry if I came across a little harsh.

Diego