- 10 May, 2016 1 commit
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foo86 authored
Signed-off-by: James Almer <jamrial@gmail.com>
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- 06 Feb, 2016 1 commit
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James Almer authored
Up to ~4 times faster on x86_64, ~8 times on x86_32 if compiling using x87 fp math. Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
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- 05 Feb, 2016 1 commit
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James Almer authored
Reviewed-by: Hendrik Leppkes <h.leppkes@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
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- 31 Jan, 2016 2 commits
- 31 Dec, 2015 1 commit
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Alexandra Hájková authored
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
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- 24 Dec, 2015 1 commit
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Alexandra Hájková authored
They were superseded with their integer equivalents. Rename integer decode_hf to decode_hf.
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- 23 Dec, 2015 1 commit
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Alexandra Hájková authored
The DCA core decoder converts integer coefficients read from the bitstream to floats just after reading them (along with dequantization). All the other steps of the audio reconstruction are done with floats which makes the output for the DTS lossless extension (XLL) actually lossy. This patch changes the DCA core to work with integer coefficients until QMF. At this point the integer coefficients are converted to floats. The coefficients for the LFE channel (lfe_data) are not touched. This is the first step for the really lossless XLL decoding.
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- 14 Dec, 2015 1 commit
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Janne Grunau authored
~2% faster dts decoding overall. cortex-a57 cortex-a53 dca_decode_hf_c: 474.8 1659.9 dca_decode_hf_neon: 225.2 301.1 dca_lfe_fir0_c: 913.2 1537.7 dca_lfe_fir0_neon: 286.8 451.9 dca_lfe_fir1_c: 848.7 1711.5 dca_lfe_fir1_neon: 387.1 506.4
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- 28 Feb, 2014 2 commits
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Christophe Gisquet authored
The vector dequantization has a test in a loop preventing effective SIMD implementation. By moving it out of the loop, this loop can be DSPized. Therefore, modify the current DSP implementation. In particular, the DSP implementation no longer has to handle null loop sizes. The decode_hf implementations have following timings: For x86 Arrandale: C SSE SSE2 SSE4 win32: 260 162 119 104 win64: 242 N/A 89 72 The arm NEON optimizations follow in a later patch as external asm. The now unused check for the y modifier in arm inline asm is removed from configure.
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Christophe Gisquet authored
The scaling factor is constant so it is faster to scale the FIR coefficients in the tables during compilation. Signed-off-by: Janne Grunau <janne-libav@jannau.net>
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- 08 Feb, 2014 1 commit
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Christophe Gisquet authored
The x86 runs short on registers because numerous elements are not static. In addition, splitting them allows more optimized code, at least for x86. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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- 07 Feb, 2014 4 commits
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Christophe Gisquet authored
It is currently declared as a macro who is set to inlinable functions, among which a Neon and a default C implementations. Add a DSP parameter to each inline function, unused except by the default C implementation which calls a function from the DSP context. On an Arrandale CPU, gain for an inlined SSE2 function vs. a call: - Win32: 29 to 26 cycles - Win64: 25 to 23 cycles Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Christophe Gisquet authored
The x86 runs short on registers because numerous elements are not static. In addition, splitting them allows more optimized code, at least for x86. Arm asm changes by Janne Grunau. Signed-off-by: Janne Grunau <janne-libav@jannau.net>
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Christophe Gisquet authored
For the callable function (as opposed to the inline one): C SSE SSE2 SSE4 Win32: 47 42 29 26 Win64: 30 33 25 23 The SSE version is neither compiled nor set for ARCH_X86_64, as the inlinable function takes over. Signed-off-by: Janne Grunau <janne-libav@jannau.net>
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Christophe Gisquet authored
It is currently declared as a macro who is set to inlinable functions, among which a Neon and a default C implementations. Add a DSP parameter to each inline function, unused except by the default C implementation which calls a function from the DSP context. On an Arrandale CPU, gain for an inlined SSE2 function vs. a call: - Win32: 29 to 26 cycles - Win64: 25 to 23 cycles Signed-off-by: Janne Grunau <janne-libav@jannau.net>
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- 22 Jul, 2013 1 commit
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Ben Avison authored
This does most of the work formerly carried out by the static function qmf_32_subbands() in dcadec.c. Signed-off-by: Martin Storsjö <martin@martin.st>
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- 19 Mar, 2011 1 commit
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Mans Rullgard authored
Signed-off-by: Mans Rullgard <mans@mansr.com>
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- 02 Feb, 2011 1 commit
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Justin Ruggles authored
DSPContext.vector_fmul_window() DCADSPContext.lfe_fir() SynthFilterContext.synth_filter_float() Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 80ba1ddb)
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- 31 Jan, 2011 1 commit
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Justin Ruggles authored
DSPContext.vector_fmul_window() DCADSPContext.lfe_fir() SynthFilterContext.synth_filter_float() Signed-off-by: Mans Rullgard <mans@mansr.com>
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- 12 Apr, 2010 2 commits
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Måns Rullgård authored
Originally committed as revision 22863 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Måns Rullgård authored
This enables SIMD optimisations of this function. Originally committed as revision 22861 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 01 Feb, 2009 1 commit
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Diego Biurrun authored
Otherwise doxygen complains about ambiguous filenames when files exist under the same name in different subdirectories. Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 26 Nov, 2008 1 commit
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Diego Biurrun authored
based on a patch by David Geldreich, david.geldreich free fr Originally committed as revision 15939 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 04 Oct, 2008 1 commit
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Diego Biurrun authored
Originally committed as revision 15552 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 31 Aug, 2008 1 commit
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Stefano Sabatini authored
Consistently apply this rule: the guard name is obtained from the filename by stripping the leading "lib", converting '/' and '.' to '_' and uppercasing the resulting name. Guard names in the root directory have to be prefixed by "FFMPEG_". Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 27 Aug, 2008 1 commit
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Ronald S. Bultje authored
move it from sdp.c into utils.c. Also add new header internal.h specifically for lavf-specific internal API. See discussion in "Realmedia patch" thread on mailinglist. Originally committed as revision 15002 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 01 Aug, 2008 2 commits
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Michael Niedermayer authored
Log: Add missing header #includes. Policy violation (change not approved by maintainer) and while discussions where ongoing and no consensus has been reached. Originally committed as revision 14500 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Diego Biurrun authored
Originally committed as revision 14497 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 24 Nov, 2007 1 commit
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Diego Biurrun authored
Originally committed as revision 11087 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 17 Oct, 2007 1 commit
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Diego Biurrun authored
Originally committed as revision 10765 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 24 Aug, 2007 2 commits
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Luca Abeni authored
Originally committed as revision 10214 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Luca Abeni authored
Originally committed as revision 10201 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 27 Feb, 2007 1 commit
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Diego Biurrun authored
Originally committed as revision 8149 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 25 Jul, 2002 1 commit
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Fabrice Bellard authored
Originally committed as revision 809 to svn://svn.ffmpeg.org/ffmpeg/trunk
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