virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-24 13:56:33 +02:00
Code Issues Releases Activity
13,823 Commits 37 Branches 400 Tags
Commit Graph

467 Commits

Author SHA1 Message Date
Michael Niedermayer
d0dae46a90 Simplify and optimize the 4th vertical lifting step of the MMX code 
This also reduces the needed headroom in that step by 1 bit

Originally committed as revision 10164 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-21 00:02:19 +00:00
Michael Niedermayer
1ffbbef217 Simplify and speedup code, reduce needed headroom by 2 bits in the 3rd 
vertical lifting step of the SSE2 code (untested)

Originally committed as revision 10163 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-20 23:59:20 +00:00
Michael Niedermayer
4bf1790421 simplify, speedup and reduce needed headroom by 2 bits in the 3rd 
vertical lifting step

Originally committed as revision 10162 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-20 23:54:49 +00:00
Michael Niedermayer
dd30437bbe replace <<1 by add for SSE2 (untested) 
Originally committed as revision 10161 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-20 23:11:05 +00:00
Michael Niedermayer
7e665a3943 replace <<1 by add 
Originally committed as revision 10160 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-20 23:09:39 +00:00
Michael Niedermayer
eee649d3b5 slightly change horizontal lift3 so it needs 1 bit less headroom 
Originally committed as revision 10159 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-20 23:02:59 +00:00
Michael Niedermayer
be3b22f9ca remove idiotc double subtraction from the sse2 code (untested, no sse2 here) 
Originally committed as revision 10158 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-20 22:41:47 +00:00
Michael Niedermayer
8510c519e7 fixme note 
Originally committed as revision 10157 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-20 22:34:42 +00:00
Michael Niedermayer
3a9f44d5d5 and of course the unneeded double subtractions were blindly put in the 
mmx code
this also makes the affected code 4% faster

Originally committed as revision 10156 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-20 22:29:21 +00:00
Aurelien Jacobs
73f51a4d3e help some gcc version to optimize out those functions 
Originally committed as revision 9785 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-24 08:54:56 +00:00
Aurelien Jacobs
674eeb5f57 cosmetics: indentation 
Originally committed as revision 9582 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-10 20:27:50 +00:00
Aurelien Jacobs
eb75a69818 Avoid linking with h263.c functions when the relevant codecs 
are not compiled in.

Originally committed as revision 9581 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-10 20:23:08 +00:00
Måns Rullgård
a00177a952 make arguments to ssd_int8_vs_int16() const 
Originally committed as revision 9548 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-08 23:15:00 +00:00
Diego Biurrun
09a6682648 typos 
Originally committed as revision 9486 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-05 12:06:02 +00:00
Diego Biurrun
e5a389a1b7 license header consistency cosmetics 
Originally committed as revision 9484 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-05 10:40:25 +00:00
Diego Biurrun
7b94177e37 Group all copyright and author notices together. 
Originally committed as revision 9483 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-05 10:37:29 +00:00
Guillaume Poirier
efb775777f add a comment to indicate which #endif belong to which #define 
Originally committed as revision 9356 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-06-17 18:59:28 +00:00
Måns Rullgård
699b3f99d0 add multiple inclusion guards to headers 
Originally committed as revision 9345 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-06-17 00:01:30 +00:00
Måns Rullgård
8657d5e549 correct type for {put,avg}_h264_chroma_mc2_mmx2 
Originally committed as revision 9333 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-06-16 14:51:57 +00:00
Diego Biurrun
90b5b51eab misc typo fixes 
Originally committed as revision 9291 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-06-12 18:50:50 +00:00
Diego Biurrun
755bfeabcc misc spelling fixes 
Originally committed as revision 9289 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-06-12 09:29:25 +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
Diego Biurrun
34933442ac Preprocessor #defines starting with __ are reserved for the system. 
Originally committed as revision 9251 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-06-07 17:19:37 +00:00
Ronald S. Bultje
3d4e3e560f Use FFmpeg-specific CPU feature definitions. 
taken from a patch by Ronald S. Bultje, rbultje ronald.bitfreak net
Date: Thu, 07 Jun 2007 08:57:46 -0400
Subject: Re: [FFmpeg-devel] [PATCH] Coremake support - ffmpeg_nommx.patch (1/1)
 - ffmpeg-nommx.patch (1/1) - ff-cputest-noavconfig.patch (1/1)

Originally committed as revision 9250 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-06-07 17:18:01 +00:00
Carl Eugen Hoyos
154e30f6c2 rename attribute_unused to av_unused and moves its declaration to common.h 
patch by Carl Eugen Hoyos cehoyos chez ag or at
original thread: [FFmpeg-devel] [PATCH] attribute_unused -> av_unused
date: 05/29/2007 01:23 PM

Originally committed as revision 9155 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-30 09:32:25 +00:00
Zuxy Meng
663deb54af Remove incorrect comment; MMX2 is preferred over 3DNow! on Athlon 
Originally committed as revision 9079 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-20 05:07:44 +00:00
Zuxy Meng
038bfcf9d6 3DNow! and SSSE3 optimization to QNS DSP functions; use pmulhrw/pmulhrsw instead of pmulhw 
Originally committed as revision 9053 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-18 08:18:56 +00:00
Aurelien Jacobs
5b0b7054b4 better separation of vp3dsp functions from dsputil_mmx.c 
Originally committed as revision 9039 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-16 23:23:45 +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
Panagiotis Issaris
9b5dc86746 Make vp3dsp*.c compilation optional. 
Originally committed as revision 9025 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-14 14:28:13 +00:00
Reimar Döffinger
e36d79c837 Change some leftover __attribute__((unused)) and __attribute__((used)) to 
attribute_unused and attribute_used respectively to ease compiling on non-gcc.

Originally committed as revision 9024 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-14 14:07:50 +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
Loren Merritt
ff506a906e sse2 & ssse3 versions of dct_quantize. 
core2: mmx2=154 sse2=73 ssse3=66 (cycles)
k8: mmx2=179 sse2=149
p4: mmx2=284 sse2=194

Originally committed as revision 9003 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-12 05:55:09 +00:00
Loren Merritt
1edbfe1994 factor sum_abs_dctelem out of dct_sad, and simd it. 
sum_abs_dctelem_* alone:
core2: c=186 mmx2=39 sse2=21 ssse3=13 (cycles)
k8: c=163 mmx2=33 sse2=31
p4: c=370 mmx2=60 sse2=60
 dct_sad including sum_abs_dctelem_*:
core2: c=405 mmx2=258 sse2=240 ssse3=232
k8: c=624 mmx2=394 sse2=392
p4: c=849 mmx2=556 sse2=556

Originally committed as revision 9001 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-12 02:41:25 +00:00
Loren Merritt
561f940c03 sse2 & ssse3 versions of hadamard. unroll and inline diff_pixels. 
core2: before mmx2=193 cycles. after mmx2=174 sse2=122 ssse3=115 (cycles).
k8: before mmx2=205. after mmx2=184 sse2=180.
p4: before mmx2=342. after mmx2=314 sse2=309.

Originally committed as revision 9000 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-12 01:16:06 +00:00
Loren Merritt
ba53071acb 10l, r8991 broke mmx1 sad 
Originally committed as revision 8993 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-11 03:29:06 +00:00
Loren Merritt
72946825fa sse2 version of fullpel sad. 
16% faster on core2, 5% faster on p4. 10% slower (and thus disabled) on k8.

Originally committed as revision 8992 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-11 01:11:45 +00:00
Loren Merritt
164d75ebf3 tweak mmx2 sad. 
40% faster on core2, 18% faster on k8, 5% faster on p4.

Originally committed as revision 8991 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-11 00:45:07 +00:00
Loren Merritt
eca3810e31 tweak mmx2 sad. 
6% faster on core2 and k8, no change on p4.

Originally committed as revision 8984 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-10 22:24:19 +00:00
Loren Merritt
7c3a9fe2a3 sse2 version of fdct_col. 
k8: 72->61 cycles, core2: 51->26 cycles.

Originally committed as revision 8966 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-10 03:13:41 +00:00
Loren Merritt
5adf43e47e cosmetics: remove code duplication in hadamard8_diff_mmx 
Originally committed as revision 8946 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-09 01:46:33 +00:00
Loren Merritt
bba5293bb7 cosmetics: remove duplicate transpose macro 
Originally committed as revision 8939 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-08 17:55:56 +00:00
Reimar Döffinger
a1ce61108b Fix parts missed in clip -> av_clip rename 
Originally committed as revision 8760 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-04-19 16:12:06 +00:00
Diego Biurrun
fe0372296a typos 
Originally committed as revision 8642 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-04-07 14:10:02 +00:00
Loren Merritt
5900637219 mmx 16-bit ssd. 2.3x faster svq1 encoding. 
Originally committed as revision 8559 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-30 19:15:31 +00:00
Diego Biurrun
d42f88025a Fix wrong conditional, Snow decoding, not encoding, was SIMD-accelerated. 
Originally committed as revision 8116 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-24 11:58:52 +00:00
Michael Niedermayer
58e31fb1d5 reorder a few more paddws to reduce dependancy chains 
chroma mc4 put 2480 -> 2460 dezicyles on duron

Originally committed as revision 8098 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-23 15:44:56 +00:00
Michael Niedermayer
b4fe97696c reorder paddws to reduce dependancy chain 
put_h264_chroma_mc2_mmx2() 927 -> 902 dezicyles on duron

Originally committed as revision 8097 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-23 15:28:35 +00:00
Michael Niedermayer
0c67082e02 shortening dependancy chain in chroma mc2 
Originally committed as revision 8095 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-23 15:03:30 +00:00
Michael Niedermayer
af26516261 remove now wrong comment 
Originally committed as revision 8094 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-02-23 14:29:59 +00:00