| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Martin Storsjö <martin@martin.st>
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Adding instead of subtracting the products in the loop allows the
compiler to generate more efficient multiply-accumulate instructions
when 16-bit multiply-subtract is not available. ARM has only
multiply-accumulate for 16-bit operands. In general, if only one
variant exists, it is usually accumulate rather than subtract.
In the same spirit, using the dedicated saturation function enables
use of any special optimised versions of this.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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This is intended for reuse by the G.723.1 decoder
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
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CC: libav-stable@libav.org
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Originally committed as revision 22137 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 22136 to svn://svn.ffmpeg.org/ffmpeg/trunk
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FFmpeg
Originally committed as revision 20885 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 20884 to svn://svn.ffmpeg.org/ffmpeg/trunk
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"for (i = 1; i < num + 1; i++)" look like "for (i = 1; i <= num; i++)".
Programmers worldwide rejoiced and used the operand, e.g. in the thread
"[PATCH] remove ugliness in cel_filters.c", and He saw that it was good.
Originally committed as revision 20489 to svn://svn.ffmpeg.org/ffmpeg/trunk
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convolution in the upcoming AMR-NB floating point decoder. The function scales
and adds a vector, that is lagged by some offset, to another vector with the
same number of elements.
Patch by Colin McQuillan ( m.niloc googlemail com )
Originally committed as revision 19634 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Patch by Colin McQuillan ( m.niloc googlemail com )
Originally committed as revision 19574 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 19561 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 18616 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 18529 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 18528 to svn://svn.ffmpeg.org/ffmpeg/trunk
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useful for AMR and RA144.
Patch by Kenan Gillet
Originally committed as revision 17546 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Part of the QCELP patch by Kenan Gillet, kenan.gillet gmail com
Originally committed as revision 15754 to svn://svn.ffmpeg.org/ffmpeg/trunk
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patch by Kenan Gillet, kenan.gillet gmail com
Originally committed as revision 15680 to svn://svn.ffmpeg.org/ffmpeg/trunk
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