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Based on x264 code
Signed-off-by: James Almer <jamrial@gmail.com>
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Based on x264 code
Signed-off-by: James Almer <jamrial@gmail.com>
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Patch based on x264's AVX2 detection
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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It will be useful in lavfi, and could conceivably be useful to the user
applications as well.
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Refactoring mmx2/mmxext YASM code with cpuflags will force renames.
So switching to a consistent naming scheme beforehand is sensible.
The name "mmxext" is more official and widespread and also the name
of the CPU flag, as reported e.g. by the Linux kernel.
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This moves the cpu flag parsing code from avconv to avutil so
it can be accessed elsewhere.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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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>
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The were broken since August of 2010 without anyone noticing until
three weeks ago. Nobody cares about it anymore and hopefully Marvell
will support NEON like in the PXA978 from now on.
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Add missing multiple inclusion guards; clean up #endif comments;
add missing library prefixes; keep guard names consistent.
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The Atom has SSSE3 support, which is useful in many cases, but sometimes the
SSSE3 version is slower than the SSE2 equivalent on the Atom, but is generally
faster on other processors supporting SSSE3. This flag allows for selectively
disabling certain SSSE3 functions on the Atom.
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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This adds configure and runtime checks for AVX support on x86 CPUs.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Instead of defining functions in per-arch header files included
by the main cpu.c, define them normally and call them from the
generic one.
Originally committed as revision 25084 to svn://svn.ffmpeg.org/ffmpeg/trunk
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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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Originally committed as revision 25047 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 25046 to svn://svn.ffmpeg.org/ffmpeg/trunk
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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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