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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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GIF87a support complete
posted by Grzegorz Kraszewski on 16th July 2007
I've just finished image deinterlacer, which completes all GIF87a features. I plan to release the new version of gif.decoder tomorrow. Video meta format is used inside gif.decoder and is working well. I think it is ready to expose to applications. Then an application may display even weirdest GIF (imagine multi-tile image, where some, or all tiles are interlaced) without allocating a buffer for the whole image. An image viewer will just display tiles and lines directly in video card memory, parsing the meta format stream (which is very simple to do). Then it is possible to display [fragments of] big images using very low amount of memory. I have not done measurements yet, but expect to be able to display a screen sized fragment of my testing 4000 x 2870 pixels GIF image using no more than 256 kB of memory.
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