Loren Merritt
b9fa32082c
exploit mdct symmetry
...
2% faster vorbis on conroe, k8. 7% on celeron.
Originally committed as revision 14207 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-13 15:03:58 +00:00
Diego Biurrun
245976da2a
Use full path for #includes from another directory.
...
Originally committed as revision 13098 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-09 11:56:36 +00:00
Ramiro Polla
40d0e665d0
Do not misuse long as the size of a register in x86.
...
typedef x86_reg as the appropriate size and use it instead.
Originally committed as revision 13081 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-08 21:11:24 +00:00
Graham Booker
ee387b57fd
work around issues with the old version of Gnu Assembler shipped on
...
Intel / OSX 10.4.9
patch by Graham Booker % gbooker A cod3r P com %
Original thread:
Date: May 25, 2007 11:51 PM
Subject: [FFmpeg-devel] r9017 breaks WMA decoding on Intel Macs
The patch:
Date: Jun 3, 2007 4:37 PM
Subject: Re: [FFmpeg-devel] r9017 breaks WMA decoding on Intel Macs
Originally committed as revision 9260 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-06-08 20:35:30 +00:00
Ronald S. Bultje
b550bfaa61
Add libavcodec to compiler include flags in order to simplify header
...
include paths in the source files.
mostly from a patch by Ronald S. Bultje, rbultje ronald.bitfreak net
Originally committed as revision 9034 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-05-16 09:51:45 +00:00
Zuxy Meng
25e4f8aaee
Faster SSE FFT/MDCT, patch by Zuxy Meng %zuxy P meng A gmail P com%
...
unrolls some loops, utilizing all 8 xmm registers. fft-test
shows ~10% speed up in (I)FFT and ~8% speed up in (I)MDCT on Dothan
Originally committed as revision 9017 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-05-13 16:32:32 +00:00
Diego Biurrun
b78e7197a8
Change license headers to say 'FFmpeg' instead of 'this program/this library'
...
and fix GPL/LGPL version mismatches.
Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-07 15:30:46 +00:00
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
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
Zuxy Meng
2ffb22d2ad
use xorps instead of mulps to toggle the sign of a float, as suggested by Software Optimization Guide for AMD64 Processors.
...
Patch by Zuxy Meng < zuxy POIS meng AH gmail POIS com > OKed by Michael
Original thread:
Date: Mar 5, 2006 8:15 PM
Subject: [Ffmpeg-devel] [PATCH] Little optimization to fft_sse.c
Originally committed as revision 5112 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-03-05 20:25:18 +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
Fabrice Bellard
e1958604fd
added define for builtins use - inverse fix by Romain Dolbeau
...
Originally committed as revision 1410 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-01-07 17:41:43 +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
