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Sponsored By


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Efika 5200B Project
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Reggae on Efika
in category Multimedia proposed by Grzegorz Kraszewski on 21st February 2006 (accepted on 20th March 2006)
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Blog Entry
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gif.decoder stress tests
posted by Grzegorz Kraszewski on 14th June 2007
I've tested the GIF decoder with some big GIF images. By the way fixed two bugs in the decoder as well. The biggest image tried so far was 4000 x 2870 pixels (and has been decoded properly of course). Another image is 1731 x 2021 pixels, 8 bit per pixel, GIF file is 2 MB in size. MorphOS Multiview on Efika decodes the file in 3.5 seconds. It allocates a lot of memory however (4 x size of ARGB32 data) so I guess some heavy copying is involved. I guess I should have write my own, more precise test. Note that Reggae GIF decoding pipeline fits completely in 100 kB of memory (all loaded classes code + allocated buffers) and this amount does not increase with image size.
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