Pierre Ossman
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59641bb95f
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Move variable init around a bit to please crappy compilers.
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2009-03-13 12:17:26 +00:00 |
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Pierre Ossman
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c7de3b4d83
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Make sure the work space memory is properly aligned
We use the heap allocators to avoid having more than one implementation
of the alignment logic.
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2009-03-09 13:29:37 +00:00 |
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Pierre Ossman
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e1594812ac
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"Optimise" quantization step by replacing the division by a multiplication.
This has no measurable difference right now but makes it possible to do
SIMD implementations of this stage.
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2009-03-09 13:23:04 +00:00 |
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Pierre Ossman
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c5cf41164a
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Framework for supporting SIMD acceleration
Designed to impose minimal changes on the "normal" code.
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2009-03-09 13:15:56 +00:00 |
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Pierre Ossman
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a4f55b50c9
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Split up the forward DCT routine into three stages
Divide it into sample conversion, DCT and quantization in order to
easily provide alternative implementations of each stage.
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2009-03-09 10:37:20 +00:00 |
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Thomas G. Lane
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16c97143f3
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The Independent JPEG Group's JPEG software v6a
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2014-09-07 20:00:00 +01:00 |
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Thomas G. Lane
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0baf670330
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The Independent JPEG Group's JPEG software v6
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2014-09-07 20:00:00 +01:00 |
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Thomas G. Lane
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c5414ae082
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The Independent JPEG Group's JPEG software v5
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2014-09-07 20:00:00 +01:00 |
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