0bba26466f
cosmetics: Delete empty lines at end of file.
2012-02-09 12:26:45 +01:00
c2d3f56107
fft: avoid a signed overflow
...
As a signed integer, 1<<31 overflows, so force it to unsigned.
Signed-off-by: Alex Converse <alex.converse@gmail.com>
2011-09-23 17:02:58 -07:00
5e528cffcf
x86: Add appropriate ifdefs around certain AVX functions.
...
nasm versions prior to 2.09 have trouble assembling some of our AVX code.
Protect these sections by preprocessor macros to allow compilation to pass.
2011-05-27 21:18:12 +02:00
9d35fa520e
Add AVX FFT implementation.
...
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
2011-04-26 18:25:24 +02:00
2912e87a6c
Replace FFmpeg with Libav in licence headers
...
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-03-19 13:33:20 +00:00
770c410fbb
Fix ff_imdct_calc_sse() on gcc-4.6
...
Gcc 4.6 only preserves the first value when using an array with an "m"
constraint.
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-02-02 02:40:05 +00:00
326bf69acc
fft: mark xmm registers as clobbered in ff_imdct_calc_sse
...
Originally committed as revision 25363 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-10-06 01:27:02 +00:00
cb4f12466b
imdct/x86: Use "s->mdct_size" instead of "1 << s->mdct_bits".
...
It generates smaller cleaner code.
Originally committed as revision 24887 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-08-23 15:51:09 +00:00
78b5c97d3e
Convert ff_imdct_half_sse() to yasm.
...
This is to avoid split asm sections that attempt to preserve some
registers between sections.
Originally committed as revision 24869 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-08-22 14:39:58 +00:00
881fd7a62f
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
2010-07-06 17:48:23 +00:00
4dcc4f8eaa
SSE optimized 32-point DCT
...
Originally committed as revision 24077 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-06 16:58:54 +00:00
c67278098d
Move array specifiers outside DECLARE_ALIGNED() invocations
...
Originally committed as revision 21377 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-01-22 03:25:11 +00:00
01b2214758
Merge FFTContext and MDCTContext
...
Originally committed as revision 19931 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-20 17:30:20 +00:00
f486321395
Move per-arch fft init bits into the corresponding subdirs
...
Originally committed as revision 19864 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-15 21:14:14 +00:00
74a841af8b
Replace more uses of __attribute__((aligned)) by DECLARE_ALIGNED.
...
Originally committed as revision 19089 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-06-04 23:25:09 +00:00
b250f9c66d
Change semantic of CONFIG_*, HAVE_* and ARCH_*.
...
They are now always defined to either 0 or 1.
Originally committed as revision 16590 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-13 23:44:16 +00:00
a6493a8fbd
Rename libavcodec/i386/ --> libavcodec/x86/.
...
It contains optimizations that are not specific to i386 and
libavutil uses this naming scheme already.
Originally committed as revision 16270 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-22 09:12:42 +00:00
Diego Biurrun
Sean McGovern
Vitor Sessak
Mans Rullgard
Alex Converse
Ramiro Polla
Aurelien Jacobs