[Ffmpeg-devel] ogg vorbis encode?

[Rich Felker]

On Sat, Aug 13, 2005 at 05:53:58PM +0200, Michael Niedermayer wrote:
> Hi
> 
> On Sat, Aug 13, 2005 at 10:03:00AM -0400, Rich Felker wrote:
> > On Sat, Aug 13, 2005 at 09:23:00AM -0400, Justin Ruggles wrote:
> [...]
> > > I guess that means the problem might be
> > > in the ogg muxer?  Even doing '-acodec copy' on a valid ogg results in
> > > an invalid ogg.
> > 
> > Probably so. Ogg has very stupid codec header storage, and the muxer
> > probably doesn't store the headers.. :(
> 
> vorbis in ogg encoding did work fine in the past, but indeed it seems broken
> currently, i dont know why

It's because the encoder was fixed to output its headers as extradata
rather than (incorrectly) as audio frames, but the ogg muxer has not
been fixed to convert them back to packets for the broken ogg header
format.. At least that's my guess.

Rich