ffmpeg/libavcodec
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
..
alpha Change license header to LGPL for consistency. 2006-02-17 19:48:11 +00:00
armv4l
i386 use xorps instead of mulps to toggle the sign of a float, as suggested by Software Optimization Guide for AMD64 Processors. 2006-03-05 20:25:18 +00:00
liba52
libpostproc Make -xy help output consistent, output an empty line before and after. 2006-03-04 17:34:17 +00:00
mlib
ppc use vec_splat_u32 to initialise a v16ui (patch by Likai Liu < liulk _at_ cs.bu.edu >) 2006-02-28 21:55:18 +00:00
ps2
sh4
sparc
.cvsignore
4xm.c
8bps.c
Makefile complete AVS playback system (from Creature Shock computer game), 2006-02-17 03:17:42 +00:00
a52dec.c
aasc.c
ac3.h
ac3dec.c
ac3enc.c
ac3tab.h
adpcm.c cleanup IMA-ADPCM WAV decoder 2006-03-02 13:55:49 +00:00
adx.c
alac.c explain extradata and pass avctx to av_log's 2006-02-21 00:03:10 +00:00
allcodecs.c complete AVS playback system (from Creature Shock computer game), 2006-02-17 03:17:42 +00:00
amr.c
apiexample.c
asv1.c
avcodec.h added none/8bit/24bit audio formats and defaulting to s16 for now (once the system works like pix_fmt, the defaulting should be changed to SAMPLE_FMT_NONE) 2006-02-21 22:05:13 +00:00
avs.c complete AVS playback system (from Creature Shock computer game), 2006-02-17 03:17:42 +00:00
beosthread.c
bitstream.c
bitstream.h
bmp.c
cabac.c
cabac.h
cinepak.c
cljr.c
cook.c Don't use pow/powf functions where we just need integer arithmetic. 2006-02-10 11:59:38 +00:00
cookdata.h
cscd.c
cyuv.c
dct-test.c
dpcm.c
dsputil.c h264: special case dc-only idct. ~1% faster overall 2006-02-10 06:55:25 +00:00
dsputil.h h264: special case dc-only idct. ~1% faster overall 2006-02-10 06:55:25 +00:00
dtsdec.c
dv.c Assign class 2 to most macroblocks by default, instead of a more conservative 2006-02-28 02:54:48 +00:00
dvbsub.c
dvbsubdec.c
dvdata.h AC coefficient weighing (per SMPTE 314M) for the DV encoder and decoder. The 2006-02-27 04:50:06 +00:00
dvdsub.c
dvdsubenc.c
error_resilience.c
eval.c
faac.c create adts stream if CODEC_FLAG_GLOBAL_HEADER not set 2006-02-08 01:10:07 +00:00
faad.c Make faac_decode_frame return -1 on error and not 0 which avoids 2006-03-05 12:32:24 +00:00
faandct.c
faandct.h
fdctref.c
fft-test.c
fft.c
ffv1.c fix segfault on broken streams 2006-02-09 09:38:03 +00:00
flac.c
flicvideo.c
fraps.c
g726.c
golomb.c
golomb.h
h261.c
h261data.h
h263.c
h263data.h
h263dec.c RMP4 ("xvid fork") decoding support 2006-02-19 10:20:27 +00:00
h264.c keyframe flag was wrong if SEIs followed the keyframe 2006-03-04 03:57:33 +00:00
h264data.h
h264idct.c h264: special case dc-only idct. ~1% faster overall 2006-02-10 06:55:25 +00:00
huffyuv.c
idcinvideo.c
imgconvert.c
imgconvert_template.h
imgresample.c
indeo2.c
indeo2data.h
indeo3.c
indeo3data.h
interplayvideo.c
jfdctfst.c
jfdctint.c
jpeg_ls.c
jrevdct.c
lcl.c
libgsm.c
loco.c
lzo.c
lzo.h
mace.c
mdct.c
mdec.c
mem.c
mjpeg.c
mmvideo.c complete American Laser Games MM playback system, courtesy of Peter Ross 2006-02-12 06:49:40 +00:00
motion_est.c
motion_est_template.c
motion_test.c
mp3lameaudio.c
mpeg4data.h
mpeg12.c fix decoding of mpeg2-trunc.vob 2006-03-01 22:59:22 +00:00
mpeg12data.h
mpegaudio.c
mpegaudio.h
mpegaudiodec.c
mpegaudiodectab.h
mpegaudiotab.h
mpegvideo.c kill some warnings 2006-02-25 22:41:31 +00:00
mpegvideo.h
msmpeg4.c
msmpeg4data.h
msrle.c
msvideo1.c
oggtheora.c
oggvorbis.c
opt.c Give a hint about what is the expected the data type of command line options. 2006-02-23 10:07:41 +00:00
opt.h
os2thread.c
parser.c use get_bits1/skip_bits[1] in ac3 and aac parsers 2006-02-10 01:19:54 +00:00
pcm.c
png.c
pnm.c
pthread.c
qdm2.c fix infinite loop 2006-03-02 21:47:53 +00:00
qdm2data.h
qdrw.c
qpeg.c
qtrle.c
ra144.c
ra144.h
ra288.c
ra288.h
rangecoder.c
rangecoder.h
ratecontrol.c
raw.c PAL8 support (fixed BLUR8.AVI) 2006-03-03 21:33:06 +00:00
resample.c
resample2.c
roqvideo.c
rpza.c
rv10.c
shorten.c
simple_idct.c
simple_idct.h
smc.c
snow.c
sonic.c
sp5x.h
svq1.c
svq1_cb.h
svq1_vlc.h
svq3.c
truemotion1.c
truemotion1data.h
truemotion2.c
truespeech.c
truespeech_data.h
tscc.c make TSCC endian-safe, PPC testing courtesy of Diego B. 2006-02-12 16:56:06 +00:00
tta.c 64bit fixes for the tta decoder, sizeof(long) is 8 on amd64, 4 on x86, the patch 2006-02-27 12:17:20 +00:00
ulti.c
ulti_cb.h
utils.c fix segfault with BLUR8.AVI 2006-03-03 20:36:08 +00:00
vc9.c
vc9data.h
vcr1.c
vmdav.c
vorbis.c kill some warnings 2006-02-25 22:41:31 +00:00
vorbis.h
vp3.c kill some warnings 2006-02-25 22:41:31 +00:00
vp3data.h
vp3dsp.c
vqavideo.c
w32thread.c
wmadata.h
wmadec.c - fix insufficient code length for exp_vlc 2006-02-11 19:39:05 +00:00
wmv2.c
wnv1.c
ws-snd1.c
x264.c pass noise reduction option to x264 2006-02-20 19:01:29 +00:00
xan.c
xl.c
xvid_rc.c
xvidff.c
xvmcvideo.c
zmbv.c ZMBV 15-/16-/32-bit decoding. 24-bit mode is disabled because it's not 2006-02-20 23:22:02 +00:00