[MPlayer-G2-dev] pre23 released with native ogg demuxer

D Richard Felker III dalias at aerifal.cx
Mon May 12 05:11:11 CEST 2003


On Mon, May 12, 2003 at 02:41:44AM +0200, Arpi wrote:
> Hi,
> 
> pre23:
> - AVI demuxer: now it can parse interleaved streams.

Good, at this point, this is the most important one... (When will
someone implement nut? Will I have to do it...?!?)

> - a_pts calculation fixes, now it handles all mpegs & avis correctly
>   (the flag DEMUX_STREAM_FLAG_PTS_FOR_NEXT is ignored now, it's redundant!)
> - native Ogg/Ogm/OggS demuxer :)
>   vorbis support not yet finished, nor the old directshow format
>   theora and new dshow video (divx etc) works!
> 
> 
> yes, i wrote a native ogg demuxer from scratch, based on the ogg fformat
> specs (libogg/doc/ogg/datastructures.html), it was not a big deal, ogg is
> very simple (even simpler than vivo) format. the messy/complicated things
> come when you're parsing codec-specific headers...
> the demuxer part can be implemented in 1k, see TOOLS/dump_ogg.c :)

Great! Yep, it's silly to require a special lib to demux ogg.

> i didn't implement audio support yet, for 2 reasons:
> - i don't like vorbis :)

Why? Vorbis seems to be the best audio codec available right now...

> - i don't have ogg files using non-vorbis audio. if you have some, upload!
>   (yes yes i know i could use teh ogm-tools to create some, but i'm lazy to
>   rtfm etc to produce well-made sample streams)

I'm too lazy to make one too. :))

Rich



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