Commit graph

3 commits

Author SHA1 Message Date
Andree Buschmann
f4774bf5bf 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
2009-08-29 19:44:27 +00:00
Mohamed Tarek
6c5714a6ee 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
2009-08-16 12:51:17 +00:00
Mohamed Tarek
432e2ecc13 Modify libatrac to use fixed-point arithmetic.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22298 a1c6a512-1295-4272-9138-f99709370657
2009-08-13 20:38:59 +00:00