Commit Graph

12 Commits

Author SHA1 Message Date
Vitor Sessak
18b131de04 dct32: Add SSE2 ASM optimizations
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2011-08-02 10:17:29 -07:00
Vitor Sessak
165c7c420d Fix dct32() compilation with --disable-yasm
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2011-05-22 07:10:19 -04:00
Vitor Sessak
6204feb160 dct32: Add AVX implementation of 32-point DCT 2011-05-21 17:42:26 +02:00
Vitor Sessak
9d35fa520e Add AVX FFT implementation.
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
2011-04-26 18:25:24 +02:00
Mans Rullgard
0aded9484d Move dct and rdft definitions to separate files
This leaves fft.h with only the core FFT and MDCT definitions
thus making it more managable.

Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-03-20 17:15:33 +00:00
Mans Rullgard
2912e87a6c Replace FFmpeg with Libav in licence headers
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-03-19 13:33:20 +00:00
Loren Merritt
e6b1ed693a FFT: factor a shuffle out of the inner loop and merge it into fft_permute.
6% faster SSE FFT on Conroe, 2.5% on Penryn.

Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
2011-02-13 15:36:39 +01:00
Stefano Sabatini
c6c98d0897 Move mm_support() from libavcodec to libavutil, make it a public
function and rename it to av_get_cpu_flags().

Originally committed as revision 25076 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-09-08 15:07:14 +00:00
Stefano Sabatini
7160bb716b Rename FF_MM_ symbols related to CPU features flags as AV_CPU_FLAG_
symbols, and move them from libavcodec/avcodec.h to libavutil/cpu.h.

Originally committed as revision 25040 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-09-04 09:59:08 +00:00
Vitor Sessak
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
Vitor Sessak
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
Måns Rullgård
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