Age | Commit message (Collapse) | Author |
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3*n4 was already calculated in n3.
(cherry picked from commit 979395bbbb9381b522b44c3448c24aef9c819ffc)
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6% faster SSE FFT on Conroe, 2.5% on Penryn.
Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
(cherry picked from commit e6b1ed693ae4098e6b9eabf938fc31ec0b09b120)
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Originally committed as revision 23755 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.
Originally committed as revision 22921 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 22235 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 21108 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 19939 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 19931 to svn://svn.ffmpeg.org/ffmpeg/trunk
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that FF_ELEMS(ff_sine_windows[x]) == 1 << x.
Fix issue 1384.
Originally committed as revision 19862 to svn://svn.ffmpeg.org/ffmpeg/trunk
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This adds a function pointer for forward MDCT to FFTContext and
initialises it with the existing C function. ff_calc_mdct() is
changed to an inline function calling the selected version as
done for other fft/mdct functions.
Originally committed as revision 19818 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 19785 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Scaling (i)MDCT output has no runtime overhead and can be used to improve
performance of audio codecs. All the changes are only needed in
'ff_mdct_init' function and slow down initialization a bit.
Originally committed as revision 18855 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 18578 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 16994 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 16980 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Otherwise doxygen complains about ambiguous filenames when files exist
under the same name in different subdirectories.
Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 16684 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 16533 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 15261 to svn://svn.ffmpeg.org/ffmpeg/trunk
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window before r14757. This fixes a regression introduced by r14757 on amd64.
Originally committed as revision 14982 to svn://svn.ffmpeg.org/ffmpeg/trunk
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functions
Originally committed as revision 14767 to svn://svn.ffmpeg.org/ffmpeg/trunk
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256, 512, 1024 and 2048) to mdct.c. Make them accessible via dsputil.h. Make
wma.c use these shared tables.
Originally committed as revision 14758 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 14703 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 14702 to svn://svn.ffmpeg.org/ffmpeg/trunk
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1.8x faster imdct_c with fpmath=sse, no change with x87
Originally committed as revision 14701 to svn://svn.ffmpeg.org/ffmpeg/trunk
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remove tmp buffer.
skip fft reinterleave pass, leaving data in a format more convenient for simd.
merge post-rotate with post-reorder.
Originally committed as revision 14700 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2% faster vorbis on conroe, k8. 7% on celeron.
Originally committed as revision 14207 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 13888 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 12457 to svn://svn.ffmpeg.org/ffmpeg/trunk
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generation. Hard code Bessel I0 approximation iterations to 50.
See thread for discussion:
[FFmpeg-devel] [PATCH] Move Kaiser-Bessel Derived window to mdct.c
Started on the 2008/01/10
Originally committed as revision 11520 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Patch by Robert Swain, robert d swain a gmail d com
Originally committed as revision 11514 to svn://svn.ffmpeg.org/ffmpeg/trunk
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and fix GPL/LGPL version mismatches.
Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
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org>)
Originally committed as revision 2882 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 1634 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 1412 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 1104 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 1088 to svn://svn.ffmpeg.org/ffmpeg/trunk
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