| Commit message (Collapse) | Author | Age |
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add ARM code for implementing av_clip_intp2 using the ssat instruction
on Cortex-A8, av_clip_intp2_arm() is faster than av_clip_intp2_c() and
the generic av_clip(), about -19%
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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These macros reflect the actual capabilities required here.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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This avoids having the compiler redundantly mask the values to
the smaller size.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Fixed-point audio codecs often use saturating arithmetic, and
special instructions for these operations are common.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Some compilers do not support the Q/R modifiers used to access
the low/high parts of a 64-bit register pair. Check for this
and disable all uses of it when not supported.
Fixes bug #337.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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This uses one register less. Also add missing "cc" clobber.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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The volatile qualifiers are not needed on these statements as
their effects are fully specified by constraints.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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On some versions of gcc, these weren't always getting inlined due to hitting
the inline cap limit in some files. This is generally bad, as most of these
functions are smaller inlined than not.
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Originally committed as revision 24089 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 24088 to svn://svn.ffmpeg.org/ffmpeg/trunk
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This reduces the number of false dependencies on header files and
speeds up compilation.
Originally committed as revision 22407 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 21335 to svn://svn.ffmpeg.org/ffmpeg/trunk
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