Andree Buschmann
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57461d7c4f
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Work on atrac Joint Stereo mode. Correct calculation in getChannelWeights(), introduce lookup table and remove obsolete code. Optimize interpolation macro.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24665 a1c6a512-1295-4272-9138-f99709370657
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2010-02-15 13:00:02 +00:00 |
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Andree Buschmann
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f4774bf5bf
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Submit interim version of FS#10565. Performance optimization of atrac3 decoder for ARM. Introduce ASM routines for multiplications and two synthesis loops, refactured parts of synthesis and windowing. Speeds up decoding by a factor of 2.4 on PP502x.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22548 a1c6a512-1295-4272-9138-f99709370657
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2009-08-29 19:44:27 +00:00 |
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Mohamed Tarek
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6c5714a6ee
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Put the lookup tables into iram ; 2% speedup on ColdFire 1% on ARM
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22345 a1c6a512-1295-4272-9138-f99709370657
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2009-08-16 12:51:17 +00:00 |
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Mohamed Tarek
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432e2ecc13
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Modify libatrac to use fixed-point arithmetic.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22298 a1c6a512-1295-4272-9138-f99709370657
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2009-08-13 20:38:59 +00:00 |
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