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| Acmlm's Board - I3 Archive - Hardware / Software - Lossless compression |
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Sukasa Birdo Not quite as active as before. Xkeeper supporter Xk > ||bass I IP Banned myself! Twice!                     Since: 11-17-05 From: Somewhere over there Last post: 6300 days Last view: 6299 days |
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| Does anyone know of any lossless compression algorithms that have their data formats available to read? I need to implement lossless comrpession into a SNES rom I'm making, but for that I need to know the specs for something. BTW, the compression is for graphics, sound samples, and level data, etc. | |||
FreeDOS + Giant Red Koopa Legion: freedos = fritos  Since: 11-17-05 From: Seattle Last post: 6299 days Last view: 6299 days |
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| You can probably use zlib, it's based on the compression libpng invented. Though you're going to have to invent an implementation for SNES. | |||
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Sukasa Birdo Not quite as active as before. Xkeeper supporter Xk > ||bass I IP Banned myself! Twice! Since: 11-17-05 From: Somewhere over there Last post: 6300 days Last view: 6299 days |
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| OK. Is there anywhere I can get the info on how zlib compresses data? I just need to know the formula in order to be able to decompress files. | |||
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FreeDOS + Giant Red Koopa Legion: freedos = fritos Since: 11-17-05 From: Seattle Last post: 6299 days Last view: 6299 days |
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| Well the best documentation will be the source code of course! Also, you might find RFC 1950 useful. | |||
Dwedit Rope フクト オン フォニクス  Since: 11-17-05 From: Chicago! Last post: 6301 days Last view: 6300 days |
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| If you can decompress everything into one big RAM block, consider an LZ based compression. If you only have 256 bytes of buffer, try LZO. Otherwise try huffman. | |||
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Sukasa Birdo Not quite as active as before. Xkeeper supporter Xk > ||bass I IP Banned myself! Twice! Since: 11-17-05 From: Somewhere over there Last post: 6300 days Last view: 6299 days |
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Cool, thanks guys! I hit upon a compression spec I liked, although it wasn't any of those ( ), and I'll just juggle that around a bit and use it. |
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