Feedback about Vorbis Comment Chapter Extension

Hallo again!

Some month ago we discussed about the Vorbis Comment Chapter Extension:
http://wiki.xiph.org/Chapter_Extension

I got some critics about this specification, especially from the VLC 
developers:
see https://trac.videolan.org/vlc/ticket/6895

Some parts of it:
<cite>
This specification allows holes between chapters and allows overlapping 
chapters... And does not explain what to do in those cases.

This specification allows hierarchical chapters without defining correct 
titles (DVD/BD) or editions (MKV).
</cite>

Also in the VLC forum 
(http://forum.videolan.org/viewtopic.php?f=7&t=103971):
<cite>
This specification is too stupid for us to implement.
For example, it allows overlapping chapters... Or parts without chapters.
It allows infinite tree of chapters, etc...
</cite>


I have to say that I can understand the critics, the specification is 
much too complex. And it's sad that this should be the reason, why 
nobody wants to implement it ...
Especially because the new Opus format could use the Chapter Extension 
too, which would be really great for podcasts etc.!

Maybe it's possible to adapt the specification (so far no player 
supports it)?
At the beginning, I proposed the same format as in matroska: 
http://savvyadmin.com/adding-chapters-to-videos-using-mkv-containers/
This would be much simpler, easier to implement and consistent.

At least we should discuss with VLC and other developers, otherwise this 
specification is useless ...

Thanks for the attention!
LG
Georg

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