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18 commits

Author SHA1 Message Date
Rafaël Carré
2c00cb5e83 wma: move inline functions into .h file 
use 'static inline' instead of GCC extension 'inline'
some GCC don't support this (android NDK for example)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27679 a1c6a512-1295-4272-9138-f99709370657
 2010-08-03 17:41:34 +00:00
Rafaël Carré
b24fac4ca6 wmafixed.h: remove double declaration 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25925 a1c6a512-1295-4272-9138-f99709370657
 2010-05-10 10:20:55 +00:00
Michael Giacomelli
6fc422e940 Fix red by moving fsincos back to libwma 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25036 a1c6a512-1295-4272-9138-f99709370657
 2010-03-05 21:49:40 +00:00
Dave Hooper
42774d3128 Merge from branches/mdctexp - faster ifft+imdct in codec lib 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24712 a1c6a512-1295-4272-9138-f99709370657
 2010-02-17 00:49:53 +00:00
Michael Giacomelli
5bd339c9f9 Clean up a lot of old and ugly comments. Wrap some long lines. Remove unneeded fixed point function. Move some fixed point math functions out of wmadeci. No functional changes. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22077 a1c6a512-1295-4272-9138-f99709370657
 2009-07-28 22:19:53 +00:00
Michael Giacomelli
1334738071 Use Tremor IMDCT for WMA. Gives a ~20% speedup on ARM and coldfire. All my test samples gave equivilent or better accuracy (>>16 bit), but there may still be problems. Code becomes somewhat less readable since the IMDCT has bits of Vorbis in it, but this is not a serious issue and the old ffmpeg transform remains in SVN if anyone wants it. Also, WMA now passes Vorbis as the fastest transform codec on ARM, although MPC remains the fastest lossy codec overall. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18084 a1c6a512-1295-4272-9138-f99709370657
 2008-07-17 17:43:49 +00:00
Daniel Stenberg
2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or 
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
 2008-06-28 18:10:04 +00:00
Michael Giacomelli
781c82c0d6 Argh. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15368 a1c6a512-1295-4272-9138-f99709370657
 2007-10-29 23:22:33 +00:00
Michael Giacomelli
132bc634ed We removed the old Q15.16 precision trig functions from decoding ages ago, so no need to leave them in. Also, this code needs a GPL header. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15366 a1c6a512-1295-4272-9138-f99709370657
 2007-10-29 23:16:41 +00:00
Thom Johansen
877ea486ba Move multiply routines into the header. Give Coldfire a fixmul32b(). Remove some tabs and empty lines. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15205 a1c6a512-1295-4272-9138-f99709370657
 2007-10-19 12:27:38 +00:00
Marcoen Hirschberg
b8753ffdaa move structures around in the header files 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14941 a1c6a512-1295-4272-9138-f99709370657
 2007-10-01 13:46:07 +00:00
Marcoen Hirschberg
4d853fff2f fix a warning for coldfire 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14779 a1c6a512-1295-4272-9138-f99709370657
 2007-09-20 13:52:41 +00:00
Marcoen Hirschberg
1ddef375df move (i)MDCT and FFT code to separate files 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14776 a1c6a512-1295-4272-9138-f99709370657
 2007-09-20 12:27:24 +00:00
Michael Giacomelli
8159b9ee9a Faster Q1.31 multiply for ARM. Add some ARM asm windowing code. Simply replacing c code with loop unrolled + load/store multiple instructions makes a surprising difference on PP. Also, add comments to the windowing code. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14365 a1c6a512-1295-4272-9138-f99709370657
 2007-08-16 03:33:15 +00:00
Michael Giacomelli
030dce6f88 Fix previous 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13814 a1c6a512-1295-4272-9138-f99709370657
 2007-07-08 05:57:14 +00:00
Jens Arnold
e7cdd6cbc6 Assemblerised CMUL() for ARM, giving ~20% speedup. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13787 a1c6a512-1295-4272-9138-f99709370657
 2007-07-04 19:23:18 +00:00
Michael Giacomelli
fe8ae10ab4 Attempt #2 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13786 a1c6a512-1295-4272-9138-f99709370657
 2007-07-04 17:51:52 +00:00
Michael Giacomelli
a16d0f389e Code clean up: Move fixed point functions into their own files. Move various lookup tables into header files. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13784 a1c6a512-1295-4272-9138-f99709370657
 2007-07-04 17:15:09 +00:00