[Matroska-devel] Re: [Ffmpeg-devel] Adding matroska support to FFMPEG via libmatroska/libebml, in C++ ?

Steve Lhomme steve.lhomme at free.fr
Tue Oct 14 16:34:38 CEST 2003


Alexander Noé wrote:
> It was. But it is a hack, and I did wait for your permission to hack 
> matroska. If
> you had said before that I can hack it, I would have done it...

Yup, but we simply need to change the codec page on our website to make 
this hack official. And all existing fils with AC3 would still work ! So 
I would call it a progress or new feature, not a hack (well it is, as 
long as it's not in the codec specs).

> The AVI overhead is constant at 16 bytes per chunk. Matroska has 13 for
> a p-frame and 16 for a b-frame. So with video-only, it is impossible.
> 
> If you allow the same frame grouping for audio frames in Matroska as for 
> AVI, I
> would not see any possibility to get the AVI overhead below the Matroska 
> overhead.

Good, we're progressing ;)




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