[vorbis-dev] Ogg VEO Codec, video in an Ogg stream

[Ralph Giles]

On Sat, 26 Aug 2000, David A. Bartold wrote:

> I don't know if this is the right place to post this, but I ported a lossy
> delta update video compression algorithm to use the Ogg stream
> layer.  The algorithm was written several years ago in high school to
> play video at about ~5 - 10 fps on their 33mhz 486 + turbo pascal machines
> becase writing link list palendrome programs was too easy.

Neat. Can you explain your algorithm a bit? What kind of compression are
you getting? Looks like your example is around 2.5 bits per pixel. Does it
work as well when the movement isn't so well partitioned?

> The codec does what it says (at least on an Intel Linux machine), but
> isn't useful yet for realtime video decompression.  It can also use some
> tweaks to get rid of some wasted bits in the output stream.  Right now, it
> depends on GLib and the decoder program depends on Gtk+ for displaying the
> frames.

I'm working on adding mng as an image/high-quality-video option, BTW.

 -ralph


--
giles at ashlu.bc.ca

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