[Vorbis] Re: buggy vorbis encoder

[Ulrich Windl]

On 6 Dec 2006 at 6:44, Ben Collver wrote:

> xiphmont at xiph.org wrote:
> > On 12/5/06, Ralph Giles <giles at xiph.org> wrote:
> > ...I'm not sure why it thinks a serialno of 0 is a problem, but that's
> > not what's causing the trouble.
> 
> It is ogginfo that reported that a serialno of 0 could be a problem. 
> Since they still played poorly after we changed the serial number, I 
> don't think it matters to the Cowon decoder.
> 
> > I'm guessing the decoder in the Cowon is not tolerating the fact that
> > the earliest Vorbis encoders could mistakenly put audio data on the
> > same page as the final header packets.  This is not allowed in the
> > spec, it was simply a bug in the oldest encoders.  Most playback tools
> > don't care (in some ways, it requires extra work to not tolerate this
> > bug)...
> > 
> > Any editing that causes a remux without a reencode (eg, the
> > vorbiscomment example given earlier) will fix the problem by moving
> > the first audio packets off the final header page.
> 
> On these songs where track 1 had a serial number of 0, I tried the 
> vorbiscomment example, but they still play choppy on the Cowon G3. 
> Since there are only a handful with this particular problem, I will 
> reencode them.

Just to know: How do they play with ogg123?

Regards,
Ulrich