[MPlayer-users] Re: divx 6

Corey Hickey bugfood-ml at fatooh.org
Sat May 6 22:39:50 CEST 2006


Alexander Noe' wrote:
> Ivan Kowalenko schrieb:
> 
>>> Now you've proved your incompetence too. OGM is the absolute worst
>>> container in all respects.
>>
>> I'd call OGM an improvement over AVI. Given that you can at least use  
>> multiple audio and subtitle streams without breaking it.
> 
> Did Koepi tell you that?
> 
> AVI has been able to hold 256 streams [1] since it was introduced like 
> 15 years ago. Besides that, you can't use subtitles in any language 
> but english if you want your OGM file to work without forcing the 
> watcher to handle charset stuff.
> 
> AVI, on the other hand, works with utf8 subtitles, so there is no 
> problem as long as you don't want to use original klingon. The *only* 
> new thing about OGM was that it worked properly with VFR streams.

Assuming you refer to "variable frame rate", then Michael wrote
something interesting about that in his blog:

http://guru.multimedia.cx/the-avi-container-file-format/
------------------------------------------------------------------------
Common missconceptions about AVI

...

AVI doesnt support variable framerate
    again this isnt true, storing variable framerate in AVI is not
efficient but it is possible and its not a hack and it doesnt stretch
the AVI spec, its fully suported, you just set the framerate to the
least common multiple of the rates you want to use, and use 0-byte
chunks for “skiped” frames
------------------------------------------------------------------------

-Corey




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