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path: root/libavcodec/arm/fft_init_arm.c
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* arm: dcadsp: Move synth filter initialization to dcadsp fileDiego Biurrun2013-08-29
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* arm: Add VFP-accelerated version of imdct_halfMartin Storsjö2013-07-22
| | | | | | | | | 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>
* arm: Add VFP-accelerated version of synth_filter_floatBen Avison2013-07-22
| | | | | | | | | 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>
* ARM: allow runtime masking of CPU featuresMans Rullgard2012-04-22
| | | | | | | 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>
* ARM: fix build with FFT enabled and MDCT disabledFelipe Contreras2012-01-20
| | | | | Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Mans Rullgard <mans@mansr.com>
* Move dct and rdft definitions to separate filesMans Rullgard2011-03-20
| | | | | | | 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>
* Replace FFmpeg with Libav in licence headersMans Rullgard2011-03-19
| | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* FFT: factor a shuffle out of the inner loop and merge it into fft_permute.Loren Merritt2011-02-13
| | | | | | 6% faster SSE FFT on Conroe, 2.5% on Penryn. Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
* Remove unneeded add bias from 3 functions.Justin Ruggles2011-01-31
| | | | | | | | DSPContext.vector_fmul_window() DCADSPContext.lfe_fir() SynthFilterContext.synth_filter_float() Signed-off-by: Mans Rullgard <mans@mansr.com>
* ARM: NEON optimised synth_filter_floatMåns Rullgård2010-04-10
| | | | | | 2.7x faster DCA decoding on Cortex-A8 Originally committed as revision 22828 to svn://svn.ffmpeg.org/ffmpeg/trunk
* ARM: NEON optimised RDFTMåns Rullgård2010-03-23
| | | | Originally committed as revision 22641 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Move FFT parts from dsputil.h to fft.hMåns Rullgård2010-03-06
| | | | Originally committed as revision 22235 to svn://svn.ffmpeg.org/ffmpeg/trunk
* ARM: interleave cos/sin tables for improved NEON MDCTMåns Rullgård2009-09-21
| | | | Originally committed as revision 19940 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Merge FFTContext and MDCTContextMåns Rullgård2009-09-20
| | | | Originally committed as revision 19931 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Move per-arch fft init bits into the corresponding subdirsMåns Rullgård2009-09-15
Originally committed as revision 19864 to svn://svn.ffmpeg.org/ffmpeg/trunk
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