Mans Rullgard
d526c5338d
ARM: allow runtime masking of CPU features
...
This allows masking CPU features with the -cpuflags avconv option
which is useful for testing different optimisations without rebuilding.
Signed-off-by: Mans Rullgard <mans@mansr.com>
2012-04-22 12:30:45 +01:00
Felipe Contreras
c3d5e290ca
ARM: fix build with FFT enabled and MDCT disabled
...
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Mans Rullgard <mans@mansr.com>
2012-01-20 16:14:01 +00:00
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
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
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
