FFmpeg

Commit Graph

Author	SHA1	Message	Date
Alex Converse	3bb24fc344	aacsbr: Associate SBR data with AAC elements on init Quiets some log spam on pure upsampling mode. Fixes ticket 5163.	8 years ago
Ganesh Ajjanagadde	def3c83e1b	lavc/aacsbr: sbr_dequant optimization This uses ff_exp2fi to get a speedup (~ 6x). sample benchmark (Haswell, GNU/Linux): old: 19102 decicycles in sbr_dequant, 1023 runs, 1 skips 19002 decicycles in sbr_dequant, 2045 runs, 3 skips 17638 decicycles in sbr_dequant, 4093 runs, 3 skips 15825 decicycles in sbr_dequant, 8189 runs, 3 skips 16404 decicycles in sbr_dequant, 16379 runs, 5 skips new: 3063 decicycles in sbr_dequant, 1024 runs, 0 skips 3049 decicycles in sbr_dequant, 2048 runs, 0 skips 2968 decicycles in sbr_dequant, 4096 runs, 0 skips 2818 decicycles in sbr_dequant, 8191 runs, 1 skips 2853 decicycles in sbr_dequant, 16383 runs, 1 skips Reviewed-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>	9 years ago
Djordje Pesut	f85bc147fb	avcodec: Implementation of AAC_fixed_decoder (SBR-module) Add fixed poind code. Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	10 years ago
Djordje Pesut	5499467d5d	avcodec: Template creation for AAC decoder (SBR-module) Move the existing code to a new template file. Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	10 years ago
Diego Biurrun	94ee7da08d	Remove pointless av_cold attributes in header files The init functions marked as av_cold have to be executed in any case, so there is no gain from trying to mark paths leading to such functions as unlikely.	12 years ago
Mirjana Vulin	8d2eb5fe58	mips: optimization for float aac decoder (sbr module) Signed-off-by: Mirjana Vulin <mvulin@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Justin Ruggles	9aa8193a23	Add floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders. Based on patches by clsid2 in ffdshow-tryout.	14 years ago
Mans Rullgard	2912e87a6c	Replace FFmpeg with Libav in licence headers Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Alex Converse	ca6d3f234c	Rewrite ff_sbr_apply in a manner more friendly to PS. This includes merging ff_sbr_dequant into ff_sbr_apply. Originally committed as revision 22995 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago
Diego Biurrun	ba87f0801d	Remove explicit filename from Doxygen @file commands. 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	15 years ago
Alex Converse	ed492b61db	Add an HE-AAC v1 decoder. A large portion of this code was orignally authored by Robert Swain. The rest was written by me. Full history is available at: svn://svn.ffmpeg.org/soc/aac-sbr http://github.com/aconverse/ffmpeg-heaac/tree/sbr_pub Originally committed as revision 22316 to svn://svn.ffmpeg.org/ffmpeg/trunk	15 years ago

13 Commits (dced1f6cdfe479965898bed3cb5219d2ddbb0ad9)