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

Steve Lhomme steve.lhomme at free.fr
Tue Oct 14 22:19:07 CEST 2003


Moritz Bunkus wrote:

> And as Cyrius just said:
> [.19:57:29.] <@Cyrius> Pamel: some CBR MP3 streams also have variable
> frame size
> [.19:57:44.] <@Cyrius> those at 44.1kHz (for mpeg v1) IIRC
> [.19:58:03.] <@Cyrius> actually those ones vary of 1 byte
> [.19:58:21.] <@Cyrius> e.g. 417/418 bytes per frame

I can confirm that. That's why I was talking earlier (or on IRC) about 
real CBR. Which is not even the case for MP3 CBR. In a system with 
automatic lacing, it would be OK to have the fixed-size lace (PCM would 
benefit from it). So we can keep it, even though it will rarely be used.




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