Commit Graph

17 Commits

Author SHA1 Message Date
Loren Merritt
ebbafcb454 sse implementation of imdct.
patch mostly by Zuxy Meng (zuxy dot meng at gmail dot com)

Originally committed as revision 6311 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-09-21 16:37:39 +00:00
Loren Merritt
652c59b967 use ff_fft_calc_3dn2 instead of sse on a K8.
1.5% faster vorbis.

Originally committed as revision 6024 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-08-19 02:42:20 +00:00
Loren Merritt
1e4ecf26f5 ff_fft_calc_3dn/3dn2/sse: convert intrinsics to inline asm.
2.5% faster fft, 0.5% faster vorbis.

Originally committed as revision 6023 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-08-18 23:53:49 +00:00
Loren Merritt
60ae06e77e r5954 broke fft on cpus with 3dnow but without mm3dnow.h
Originally committed as revision 5974 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-08-10 18:49:47 +00:00
Loren Merritt
bcfa3e58ee 3dnow2 implementation of imdct.
6% faster vorbis and wma.

Originally committed as revision 5954 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-08-08 04:01:04 +00:00
Benjamin Larsson
7943355485 ff_fft_init now double checks that the system has mm3dnow.h before
checking if the cpu can do 3dnow at all. This bug caused amd cpu's
without sse to not have a working fft function. Ie no wma, cook or
vorbis decoder.

Originally committed as revision 5570 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-07-02 02:05:35 +00:00
Zuxy Meng
82eb4b0f1b 3DNow! & Extended 3DNow! versions of FFT
Patch by Zuxy Meng, zuxy <<dot>> meng >>at<< gmail <<dot>> com
Minor non-functional diff-related fixes by me.

Originally committed as revision 5125 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-03-08 04:13:55 +00:00
Diego Biurrun
5509bffa88 Update licensing information: The FSF changed postal address.
Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-01-12 22:43:26 +00:00
Diego Biurrun
bb270c0896 COSMETICS: tabs --> spaces, some prettyprinting
Originally committed as revision 4764 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-12-22 01:10:11 +00:00
Diego Biurrun
115329f160 COSMETICS: Remove all trailing whitespace.
Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-12-17 18:14:38 +00:00
Gildas Bazin
68951ecf0c fft_*() renamed into ff_fft_*() patch by (Gildas Bazin <gbazin at altern dot org>)
Originally committed as revision 2882 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-03-13 21:43:24 +00:00
Michael Niedermayer
983e3246b7 per file doxy
Originally committed as revision 1634 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-03-06 11:32:04 +00:00
Michael Niedermayer
db40a39aba AltiVec perf (take 2), plus a couple AltiVec functions by (Romain Dolbeau <dolbeau at irisa dot fr>)
Originally committed as revision 1464 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-01-16 21:54:55 +00:00
Romain Dolbeau
e629ab68a7 altivec jumbo patch by (Romain Dolbeau <dolbeaur at club-internet dot fr>)
Originally committed as revision 1448 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-01-11 20:51:03 +00:00
Fabrice Bellard
8d268a7d4c fft altivec by Romain Dolbeau - simplified patch, test it on PPC with fft-test and wma decoding
Originally committed as revision 1417 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-01-07 18:15:48 +00:00
Fabrice Bellard
bbbb6d6fc3 enabled SSE fft on x86
Originally committed as revision 1413 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-01-07 17:45:24 +00:00
Fabrice Bellard
bb6f569072 new generic FFT/MDCT code for audio codecs
Originally committed as revision 1088 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-10-28 00:34:08 +00:00