Age | Commit message (Collapse) | Author |
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AAC LD uses a low overlap sine window instead of a KBD window.
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This does not include support for LD SBR, epTool, data resilience, nor
the 960 transform family.
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Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Originally committed as revision 23740 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.
Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 21377 to svn://svn.ffmpeg.org/ffmpeg/trunk
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The codebooks each consist of small number of values repeated in
groups of 2 or 4. Storing the codebooks as a packed list of 2- or
4-bit indexes into a table reduces their size substantially (from 7.5k
to 1.5k), resulting in less cache pressure.
For the band types with sign bits in the bitstream, storing the number
and position of non-zero codebook values using a few bits avoids
multiple get_bits() calls and floating-point comparisons which gcc
handles miserably.
Some float/int type punning also avoids gcc brain damage.
Overall speedup 20-35% on Cortex-A8, 20% on Core i7.
Originally committed as revision 21188 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 19782 to svn://svn.ffmpeg.org/ffmpeg/trunk
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shared with the AAC encoder.
Originally committed as revision 19174 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Otherwise doxygen complains about ambiguous filenames when files exist
under the same name in different subdirectories.
Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
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aactab.h declares only 316 of 428 elements in ff_aac_pow2sf_tab[]
Originally committed as revision 16805 to svn://svn.ffmpeg.org/ffmpeg/trunk
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They are now always defined to either 0 or 1.
Originally committed as revision 16590 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Patch by Alex Converse ( alex converse gmail com )
Originally committed as revision 15919 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 15515 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Consistently apply this rule: the guard name is obtained from the
filename by stripping the leading "lib", converting '/' and '.' to
'_' and uppercasing the resulting name. Guard names in the root
directory have to be prefixed by "FFMPEG_".
Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 14774 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 14772 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 14694 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 14674 to svn://svn.ffmpeg.org/ffmpeg/trunk
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SoC code.
Originally committed as revision 14625 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 14425 to svn://svn.ffmpeg.org/ffmpeg/trunk
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