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Commit Graph

13 Commits

Author SHA1 Message Date
Michael Niedermayer
d4a50a2100 Merge remote-tracking branch 'newdev/master'
Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-03-21 03:33:28 +01:00
Mans Rullgard
0aded9484d Move dct and rdft definitions to separate files
This leaves fft.h with only the core FFT and MDCT definitions
thus making it more managable.

Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-03-20 17:15:33 +00:00
Mans Rullgard
2912e87a6c Replace FFmpeg with Libav in licence headers
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-03-19 13:33:20 +00:00
Loren Merritt
11ab1e409f 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)
2011-02-14 23:58:19 +01:00
Loren Merritt
e6b1ed693a 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>
2011-02-13 15:36:39 +01:00
Justin Ruggles
a8ae4e0e7b 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)
2011-02-02 03:40:48 +01:00
Justin Ruggles
80ba1ddb58 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>
2011-01-31 20:28:42 +00:00
Måns Rullgård
e73d1a5efc 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
2010-04-10 16:27:56 +00:00
Måns Rullgård
a8bb9ea532 ARM: NEON optimised RDFT
Originally committed as revision 22641 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-03-23 03:35:02 +00:00
Måns Rullgård
1429224b04 Move FFT parts from dsputil.h to fft.h
Originally committed as revision 22235 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-03-06 14:34:46 +00:00
Måns Rullgård
f7a3b6030c ARM: interleave cos/sin tables for improved NEON MDCT
Originally committed as revision 19940 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-21 02:56:09 +00:00
Måns Rullgård
01b2214758 Merge FFTContext and MDCTContext
Originally committed as revision 19931 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-20 17:30:20 +00:00
Måns Rullgård
f486321395 Move per-arch fft init bits into the corresponding subdirs
Originally committed as revision 19864 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-15 21:14:14 +00:00