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2014-02-28x86: synth filter float: implement SSE2 versionChristophe Gisquet
Timings for Arrandale: C SSE win32: 2108 334 win64: 1152 322 Factorizing the inner loop with a call/jmp is a >15 cycles cost, even with the jmp destination being aligned. Unrolling for ARCH_X86_64 is a 20 cycles gain. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-02-02Remove unneeded add bias from 3 functions.Justin Ruggles
DSPContext.vector_fmul_window() DCADSPContext.lfe_fir() SynthFilterContext.synth_filter_float() Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 80ba1ddb58b5923b9f36a6acd542affc4ca722eb)
2010-04-10ARM: NEON optimised synth_filter_floatMåns Rullgård
2.7x faster DCA decoding on Cortex-A8 Originally committed as revision 22828 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-04-10Make synth_filter a function pointerMåns Rullgård
Originally committed as revision 22827 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-03-08Add lots of missing includesMåns Rullgård
Originally committed as revision 22337 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-10-29Multiple inclusion guards for synth_filter.h.Michael Niedermayer
Originally committed as revision 20415 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-10-29Vertically align function arguments.Michael Niedermayer
Originally committed as revision 20413 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-10-28Split synth filter out of dca.c.Michael Niedermayer
Originally committed as revision 20396 to svn://svn.ffmpeg.org/ffmpeg/trunk