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

Steve Lhomme steve.lhomme at free.fr
Tue Oct 14 22:11:13 CEST 2003

Moritz Bunkus wrote:
> Hi.
> Backwards compat is a MUST. Use the bit for it.
> How exactly should the new block look? I propose...
> a) a flag 'same length for every block',
> b) store all lengths EBML style and use differential to first value
> That would produce the smallest files IMHO.

OK, that makes 3 lacing + no lacing. That fits in the 2 bits I want to 
use in the header (bit 5-6) :
00 no lacing
01 lacing 1 (original)
11 lacing 2 (EBMLed)
10 fixed lacing

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