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

Michael Niedermayer michaelni
Thu Apr 23 19:16:36 CEST 2009

On Thu, Apr 23, 2009 at 07:00:34AM -0700, Mike Melanson wrote:
> 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. :)

I think that putting rawvideo on a 10mb disk is not a good idea.
With good compression it might be possible to put a full length movie
on it ...

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In a rich man's house there is no place to spit but his face.
-- Diogenes of Sinope
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