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* commit '87ec849fe9acba075c843e67bcd01f256f481a18':
dcadec: remove scaling in lfe_interpolation_fir
Conflicts:
libavcodec/dcadec.c
libavcodec/dcadsp.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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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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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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This change is inspired by x86 asm, where this frees a register.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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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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* commit '5b59a9fc6152169599561f04b4f66370edda5c9c':
x86: dcadsp: implement int8x8_fmul_int32
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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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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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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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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* commit '800ffab48a7844dd5dc0a33b8f6b8e5ed718cf2e':
dcadsp: Add a new method, qmf_32_subbands
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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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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* commit '6fee1b90ce3bf4fbdfde7016e0890057c9000487':
avcodec: Add av_cold attributes to init functions missing them
Conflicts:
libavcodec/aacpsy.c
libavcodec/atrac3.c
libavcodec/dvdsubdec.c
libavcodec/ffv1.c
libavcodec/ffv1enc.c
libavcodec/h261enc.c
libavcodec/h264_parser.c
libavcodec/h264dsp.c
libavcodec/h264pred.c
libavcodec/libschroedingerenc.c
libavcodec/libxvid_rc.c
libavcodec/mpeg12.c
libavcodec/mpeg12enc.c
libavcodec/proresdsp.c
libavcodec/rangecoder.c
libavcodec/videodsp.c
libavcodec/x86/proresdsp_init.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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DSPContext.vector_fmul_window()
DCADSPContext.lfe_fir()
SynthFilterContext.synth_filter_float()
Signed-off-by: Mans Rullgard <mans@mansr.com>
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DSPContext.vector_fmul_window()
DCADSPContext.lfe_fir()
SynthFilterContext.synth_filter_float()
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 80ba1ddb58b5923b9f36a6acd542affc4ca722eb)
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Originally committed as revision 22863 to svn://svn.ffmpeg.org/ffmpeg/trunk
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This enables SIMD optimisations of this function.
Originally committed as revision 22861 to svn://svn.ffmpeg.org/ffmpeg/trunk
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