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2008-09-04Combine the Vorbis, WMA and AAC IMDCT functions and put them into the ↵Michael Giacomelli
codeclib. Combined IMDCT is now based on existing Tremor transform. Reduces CPU for 192k AAC by 21MHz on Coldfire, and 5MHz on PP5024. WMA and Vorbis should have no functional changes since they already used this code. Further optimization is possible and would benefit all 3 codecs. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18412 a1c6a512-1295-4272-9138-f99709370657
2008-02-12Revert the buggy warning fix for gcc 4.2. It caused a sim built with gcc 4.2 ↵Jens Arnold
to segfault. Get rid of the warning by introducing a temporary variable instead. Obviously the cfft1(pos|neg)() call is too complex for gcc 4.2 to cope without that tempvar. Oh well... git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16292 a1c6a512-1295-4272-9138-f99709370657
2008-02-07make the gcc work-around somewhat more inclusive for gcc 4.2.X where X is 1Daniel Stenberg
or bigger git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16238 a1c6a512-1295-4272-9138-f99709370657
2008-02-06a rather lame attempt to silence the gcc 4.2.3 warnings on what seems to beDaniel Stenberg
legitimate code git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16237 a1c6a512-1295-4272-9138-f99709370657
2007-12-09Revert previous 'fix'. Did not actually fix the warning as I wasn't paying ↵Dan Everton
attention. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15899 a1c6a512-1295-4272-9138-f99709370657
2007-12-09Fix warnings in libfaadDan Everton
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15898 a1c6a512-1295-4272-9138-f99709370657
2006-09-24Apply a bunch of simple AAC decoder optimizations. Biggest speedup is on ↵Magnus Holmgren
ColdFire targets, but ARM targets benefits too. Allows realtime playback of some AAC files on Iriver targets (H1x0, H3x0). Remove support for some rarely used AAC profiles to reduce code size a bit. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11038 a1c6a512-1295-4272-9138-f99709370657
2005-10-31Changes to make libfaad compile in Rockbox. Also remove compiler warnings, ↵Dave Chapman
use some IRAM (IRAM usage needs reviewing) and drastically reduce the stack usage git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7700 a1c6a512-1295-4272-9138-f99709370657
2005-10-31Initial check-in of unmodified libfaad (part of the FAAD2 project). This is ↵Dave Chapman
the last version of libfaad available under the GPL - the state of FAAD2 CVS at midnight on 2005-02-01 git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7699 a1c6a512-1295-4272-9138-f99709370657
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