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path: root/libavcodec/aactab.c
AgeCommit message (Collapse)Author
2014-01-05aac: Fix low delay windowing.Alex Converse
AAC LD uses a low overlap sine window instead of a KBD window.
2014-01-05aac: Fix TNS decoding for the 512 sample window family.Alex Converse
2013-10-23aac: Add support for Enhanced AAC Low Delay (ER AAC ELD).Alex Converse
This does not include support for LD SBR, epTool, data resilience, nor the 960 transform family.
2013-09-18aacdec: Add support for LD (Low Delay) AACAlex Converse
2012-05-22Convert vector_fmul range of functions to YASM and add AVX versionsKieran Kunhya
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
2011-03-19Replace FFmpeg with Libav in licence headersMans Rullgard
Signed-off-by: Mans Rullgard <mans@mansr.com>
2010-06-23aactab: Tablegenify ff_aac_pow2sf_tab.Alex Converse
Originally committed as revision 23740 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-04-20Remove explicit filename from Doxygen @file commands.Diego Biurrun
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
2010-03-06Remove DECLARE_ALIGNED_{8,16} macrosMåns Rullgård
These macros are redundant. All uses are replaced with the generic DECLARE_ALIGNED macro instead. Originally committed as revision 22233 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-02-20remove tables of codebook vector values which are contained inStefan Gehrer
another table Originally committed as revision 21918 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-01-22Move array specifiers outside DECLARE_ALIGNED() invocationsMåns Rullgård
Originally committed as revision 21377 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-01-13AAC: Compress codebook tables and optimise sign bit handlingMåns Rullgård
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
2009-09-22AAC: use new dsputil functionsMåns Rullgård
Originally committed as revision 19956 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-06ff_swb_offset_* tables should be const.Reimar Döffinger
Originally committed as revision 19782 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-06-13Move TNS and swb_offset tables from aacdectab.h to aactab.c so that they can beAlex Converse
shared with the AAC encoder. Originally committed as revision 19174 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-12Add support for sample rate index 12, 7350 HzAlex Converse
Patch by Alex Converse ( alex converse gmail com ) Originally committed as revision 17180 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-01Use full internal pathname in doxygen @file directives.Diego Biurrun
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
2009-01-14Change semantic of CONFIG_*, HAVE_* and ARCH_*.Aurelien Jacobs
They are now always defined to either 0 or 1. Originally committed as revision 16590 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-24AAC: Frequency domain prediction and hence Main profile supportAlex Converse
Patch by Alex Converse ( alex converse gmail com ) Originally committed as revision 15919 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-05Fix perceptual noise shaping scaling including an oversight of the offset forAlex Converse
the EIGHT_SHORT window type. Fixes issue 664. Patch by Alex Converse (alex converse gmail com) Originally committed as revision 15776 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-10-02Add (additional) const to many global tables.Reimar Döffinger
Originally committed as revision 15515 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-15More OKed AAC decoder hunksRobert Swain
Originally committed as revision 14774 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-15Synchronise AAC decoder code with that from SoCRobert Swain
Originally committed as revision 14772 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-11More OKed hunks of the AAC decoder from SoCRobert Swain
Originally committed as revision 14694 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-09Sync already committed code with that in SoC and commit more OKed hunks of codeRobert Swain
Originally committed as revision 14674 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-05Move shared tables to aactab.c and add declarations to aactab.h. Also sync withRobert Swain
SoC code. Originally committed as revision 14625 to svn://svn.ffmpeg.org/ffmpeg/trunk
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