FFmpeg

Commit Graph

Author	SHA1	Message	Date
Stefan Gehrer	cbdcf479ce	remove tables of codebook vector values which are contained in another table Originally committed as revision 21918 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Måns Rullgård	c67278098d	Move array specifiers outside DECLARE_ALIGNED() invocations Originally committed as revision 21377 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Måns Rullgård	c816d3d042	AAC: Compress codebook tables and optimise sign bit handling 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	15 years ago
Måns Rullgård	42d3fbb3f4	AAC: use new dsputil functions Originally committed as revision 19956 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Reimar Döffinger	7eb1c36431	ff_swb_offset_* tables should be const. Originally committed as revision 19782 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Alex Converse	85e9296f41	Move TNS and swb_offset tables from aacdectab.h to aactab.c so that they can be shared with the AAC encoder. Originally committed as revision 19174 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Alex Converse	30272450f9	Add support for sample rate index 12, 7350 Hz Patch by Alex Converse ( alex converse gmail com ) Originally committed as revision 17180 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Diego Biurrun	bad5537e2c	Use full internal pathname in doxygen @file directives. 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	16 years ago
Aurelien Jacobs	b250f9c66d	Change semantic of CONFIG_, HAVE_ and ARCH_*. They are now always defined to either 0 or 1. Originally committed as revision 16590 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Alex Converse	7633a0415d	AAC: Frequency domain prediction and hence Main profile support Patch by Alex Converse ( alex converse gmail com ) Originally committed as revision 15919 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Alex Converse	d0ee50216d	Fix perceptual noise shaping scaling including an oversight of the offset for 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	16 years ago
Reimar Döffinger	9b5ede5b64	Add (additional) const to many global tables. Originally committed as revision 15515 to svn://svn.ffmpeg.org/ffmpeg/trunk	16 years ago
Robert Swain	9ffd5c1cee	More OKed AAC decoder hunks Originally committed as revision 14774 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Robert Swain	848a5815ce	Synchronise AAC decoder code with that from SoC Originally committed as revision 14772 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Robert Swain	9cc04edff9	More OKed hunks of the AAC decoder from SoC Originally committed as revision 14694 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Robert Swain	cc0591dab0	Sync already committed code with that in SoC and commit more OKed hunks of code Originally committed as revision 14674 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Robert Swain	fed3f06914	Move shared tables to aactab.c and add declarations to aactab.h. Also sync with SoC code. Originally committed as revision 14625 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Robert Swain	f25c244f5f	AAC tables and data that have been OKed by Michael Originally committed as revision 14425 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago

17 Commits (403c545d08c8cfeb335f3ecb508ef90a54a44037)