Diego Biurrun
bd549cbaac
arm: dcadsp: Move synth filter initialization to dcadsp file
2013-08-29 11:24:14 +02:00
Martin Storsjö
b63bb251ea
arm: Add VFP-accelerated version of imdct_half
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Before After
Mean StdDev Mean StdDev Change
This function 2653.0 28.5 1108.8 51.4 +139.3%
Overall 17049.5 408.2 15973.0 223.2 +6.7%
Signed-off-by: Martin Storsjö <martin@martin.st>
2013-07-22 10:15:37 +03:00
Ben Avison
41ef1d360b
arm: Add VFP-accelerated version of synth_filter_float
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Before After
Mean StdDev Mean StdDev Change
This function 9295.0 114.9 4853.2 83.5 +91.5%
Overall 23699.8 397.6 19285.5 292.0 +22.9%
Signed-off-by: Martin Storsjö <martin@martin.st>
2013-07-22 10:15:17 +03:00
Mans Rullgard
d526c5338d
ARM: allow runtime masking of CPU features
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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
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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
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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
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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
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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
