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is ~3%, for aac ~1%.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28453 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28084 a1c6a512-1295-4272-9138-f99709370657
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Floating point cannot be used as reference though, as errorous noise is the result.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28071 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28069 a1c6a512-1295-4272-9138-f99709370657
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like refactoring some requantization routines, moving several arrays and code tables to IRAM, using an optimized swap32() function and inlining several huffman decoder functions. Decoding is sped up by ~10% (PP5002, PP5022, MCF5249) and ~22% (MCF5250).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27225 a1c6a512-1295-4272-9138-f99709370657
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directory, also standard'ify some parts of the code base (almost entirely #include fixes).
This is to a) to cleanup firmware/common and firmware/include a bit, but also b) for Rockbox as an application which should use the host system's c library and headers, separating makes it easy to exclude our files from the build.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25850 a1c6a512-1295-4272-9138-f99709370657
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Correct pow2_* to calculate correct output for input < 0.0 or between 0.0 and 1.0 instead of returning 0. This will change output, but the float version of this codec uses pow(2.0,x) in place of these functions, so this behavior was probably a bug
Replace 64-bit multiply in pow2_* with left or right shift by whole part of input, rounding if shifting right. An ARM-specific optimized version is provided as a C inline function, other targets use a C macro.
Increase constant size of table for pow2 to improve accuracy, also avoid early truncation in linear interpolation of result.
Move constant tables for pow2 and log2 to iram.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23967 a1c6a512-1295-4272-9138-f99709370657
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can provide either log2 or leading-zero-count output, and can force mapping 0 input to 0 output if needed (otherwise 0 input produces undefined result). Replace av_log2 in lib/codeclib.h, floor_log2 and wl_min_lzc in libfaad/common.c and common.h, and count_leading_zeros in libalac/alac.c with macros using bs_generic.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23903 a1c6a512-1295-4272-9138-f99709370657
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introduced by this. Enable compiling the AAC codec on the Clip. Due to lack of memory for seek tables, files over 10 minutes long or so will probably fail.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20781 a1c6a512-1295-4272-9138-f99709370657
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tree. Fully controlled dependencies give faster and more correct recompiles.
Many #include lines adjusted to conform to the new standards.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19146 a1c6a512-1295-4272-9138-f99709370657
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and have the proper includes included etc
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12360 a1c6a512-1295-4272-9138-f99709370657
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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
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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
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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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