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2015-07-20avcodec: Implementation of AAC_fixed_decoder (SBR-module)Djordje Pesut
Add fixed poind code. Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2013-08-30Reinstate proper FFmpeg license for all files.Thilo Borgmann
2013-02-22mips: optimization for float aac decoder (sbr module)Mirjana Vulin
Signed-off-by: Mirjana Vulin <mvulin@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-04-04sbrdsp: Use standard multiple inclusion guards.Diego Biurrun
2012-02-24SBR DSP x86: implement SSE sbr_sum_square_sseChristophe GISQUET
The 32bits targets have been compiled with -mfpmath=sse for proper reference. sbr_sum_square C /32bits: 82c (unrolled)/102c C /64bits: 69c (unrolled)/82c SSE/32bits: 42c SSE/64bits: 31c Use of SSE4.1 dpps to perform the final sum is slower. Not unrolling to perform 8 operations in a loop yields 10 more cycles. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2012-02-24SBR DSP: use intptr_t for the ixh parameter.Christophe GISQUET
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2012-01-28aacsbr: ARM NEON optimised sbrdsp functionsMans Rullgard
Overall speedup of HE-AAC decoding 2.3x on Cortex-A8, 1.2x on A9. Signed-off-by: Mans Rullgard <mans@mansr.com>
2012-01-28aacsbr: move some simdable loops to function pointersMans Rullgard
This prepares for assembly optimisations by moving the most time-consuming loops to functions called through pointers in a new context. Signed-off-by: Mans Rullgard <mans@mansr.com>