Loren Merritt
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11ab1e409f
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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>
(cherry picked from commit e6b1ed693a)
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2011-02-14 23:58:19 +01:00 |
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Stefano Sabatini
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c6c98d0897
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Move mm_support() from libavcodec to libavutil, make it a public
function and rename it to av_get_cpu_flags().
Originally committed as revision 25076 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2010-09-08 15:07:14 +00:00 |
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Stefano Sabatini
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7160bb716b
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Rename FF_MM_ symbols related to CPU features flags as AV_CPU_FLAG_
symbols, and move them from libavcodec/avcodec.h to libavutil/cpu.h.
Originally committed as revision 25040 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2010-09-04 09:59:08 +00:00 |
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Vitor Sessak
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881fd7a62f
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Move SSE optimized 32-point DCT to its own file. Should fix breakage with YASM
disabled.
Originally committed as revision 24078 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2010-07-06 17:48:23 +00:00 |
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Vitor Sessak
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4dcc4f8eaa
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SSE optimized 32-point DCT
Originally committed as revision 24077 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2010-07-06 16:58:54 +00:00 |
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Måns Rullgård
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f486321395
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Move per-arch fft init bits into the corresponding subdirs
Originally committed as revision 19864 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2009-09-15 21:14:14 +00:00 |
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