[FFmpeg-devel] [PATCH] 8088flex TMV demuxer and decoder

Mike Melanson mike
Thu Apr 23 16:00:34 CEST 2009

Michael Niedermayer wrote:
> compression wise this is not wise ...
> you could store a bit for each of the 80x25 chars and only if its
> 1 store color+char oterwise copy from the same location of the previous frame
> similarly the color could be reused from the last frame and just the char
> updated
> also if you sort the 256 chars based on their amount of foreground/background
> pixels then chars might be nummerically correlated and compression of changed
> chars might be possible by huffman coded differences.
> speedwise it can of course be done faster by building more than 1 pixel at a
> time but i guess theres no point, its better if it stays simple.

Remember, this format was a tech demo/hack in order to demonstrate that 
it is possible for play full motion video on an original 4.77 MHz 8088 
PC with a 10 MB hard drive and CGA monitor. It's still a novel solution. :)

     -Mike Melanson

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