Loren Merritt
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11ab1e409f
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FFT: factor a shuffle out of the inner loop and merge it into fft_permute.
6% faster SSE FFT on Conroe, 2.5% on Penryn.
Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
(cherry picked from commit e6b1ed693a)
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2011-02-14 23:58:19 +01:00 |
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Justin Ruggles
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a8ae4e0e7b
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Remove unneeded add bias from 3 functions.
DSPContext.vector_fmul_window()
DCADSPContext.lfe_fir()
SynthFilterContext.synth_filter_float()
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 80ba1ddb58)
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2011-02-02 03:40:48 +01:00 |
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Måns Rullgård
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e73d1a5efc
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ARM: NEON optimised synth_filter_float
2.7x faster DCA decoding on Cortex-A8
Originally committed as revision 22828 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2010-04-10 16:27:56 +00:00 |
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Måns Rullgård
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a8bb9ea532
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ARM: NEON optimised RDFT
Originally committed as revision 22641 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2010-03-23 03:35:02 +00:00 |
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Måns Rullgård
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1429224b04
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Move FFT parts from dsputil.h to fft.h
Originally committed as revision 22235 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2010-03-06 14:34:46 +00:00 |
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Måns Rullgård
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f7a3b6030c
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ARM: interleave cos/sin tables for improved NEON MDCT
Originally committed as revision 19940 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2009-09-21 02:56:09 +00:00 |
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Måns Rullgård
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01b2214758
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Merge FFTContext and MDCTContext
Originally committed as revision 19931 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2009-09-20 17:30:20 +00:00 |
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Måns Rullgård
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f486321395
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Move per-arch fft init bits into the corresponding subdirs
Originally committed as revision 19864 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2009-09-15 21:14:14 +00:00 |
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