Réf. : RE: [boost] compression filters

From: Bernard HUGUENEY (bernard.hugueney_at_[hidden])
Date: 2000-10-20 07:30:35

gary.powell_at_[hidden] wrote

>> 1. what would be the relevance of a few generic compression filters to
>> boost?

>I'd use them! I've coded up Huffman at a previous job (Aldus/Adobe) for
>their installer. (I don't think they use it anymore.) The quick look at the
>interface leaves one question, and that is to get optimum compression,
>keeping a single global table is often used. I'd rather it was a parameter
>to your algorithms. In the game business we often want to encode chunks of
>data within a file. (A particular animation or texture) The file is full of
>similar data so the encoding table can be reused. The output needs to know
>the new size/length of the stream so that we can update the map/table for
>lookup in the file. On decode we compare expected lengths to actual to help
>keep check file integetry.

>The other issue is some compression is copyrighted. So those filters would
>be not available except as a sub license.

I think you meant patented, enjoying life in a software-patent free europe, I'd hate to miss useful compression
 libraries because of US laws. Couldn't we have a ./non-us (a la debian, I think for RSA before it went free in us)?

Bernard