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629750290f
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5478 Commits

Author SHA1 Message Date
Michael Niedermayer
629750290f avoid overflow in the 3rd lifting step, this now needs mmx2 at minimum 
(patch for plain mmx support is welcome ...)

Originally committed as revision 10226 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-26 01:11:02 +00:00
Michael Niedermayer
b696a4c91d avoid an overflow in the 1 horizontal lifting step 
Originally committed as revision 10225 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-25 19:04:33 +00:00
Michael Niedermayer
9caa1cccb9 prevent one overflow in the first vertical lifting step 
Originally committed as revision 10224 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-25 16:28:45 +00:00
Michael Niedermayer
3e0f7126b5 update mmx code to latest snow changes 
note, the code likely can overflow and thus needs some more changes
sse2 updated too but disabled as it is untested

Originally committed as revision 10223 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-25 15:20:56 +00:00
Diego Biurrun
273b0cd3c4 prettyprinting cosmetics 
Originally committed as revision 10221 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-25 09:23:17 +00:00
Michael Niedermayer
ff06e0677b cleanup (remove some old experimentation related code) 
Originally committed as revision 10220 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-25 03:19:39 +00:00
Michael Niedermayer
b5b88eb3b4 we only have 2 wavelets, the 3rd was just for experimentation ... 
Originally committed as revision 10219 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-25 03:04:13 +00:00
Michael Niedermayer
d593e32983 use 16bit IDWT (a SIMD implementation of it should be >2x faster then with 
the old 32bit code)
disable mmx/sse2 optimizations as they need a rewrite now

Originally committed as revision 10218 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-25 03:00:51 +00:00
Diego Biurrun
830bf1f20d whitespace/indentation cosmetics 
Originally committed as revision 10217 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-24 23:49:11 +00:00
Diego Biurrun
2722c98128 Remove HAVE_ALTIVEC preprocessor directives that are only compiled 
when AltiVec is enabled anyway.

Originally committed as revision 10216 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-24 23:01:50 +00:00
Diego Biurrun
f9edc2331d Fix trivial mixed declarations and code warning caused by a double semicolon. 
Originally committed as revision 10212 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-24 15:42:50 +00:00
Diego Biurrun
e4506f0c98 Remove SYS_DARWIN preprocessor directive that is just a duplicate of a 
gcc-specific directive a few lines below.

Originally committed as revision 10211 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-24 15:38:37 +00:00
Diego Biurrun
4b180bbd73 Replace SYS_DARWIN by the more correct __APPLE_CC__, these preprocessor 
directives are aimed at idiosyncracies of Apple's gcc version.

Originally committed as revision 10210 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-24 15:18:41 +00:00
Diego Biurrun
b1312aa24d Merge __MWERKS__ preprocessor directives. 
Originally committed as revision 10208 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-24 15:08:46 +00:00
Diego Biurrun
8008a04325 Move Apple gcc AltiVec vector declaration syntax to libavutil. 
Originally committed as revision 10207 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-24 15:04:00 +00:00
Diego Biurrun
08f87a9c99 Replace SYS_DARWIN by the more correct __APPLE_CC__, these preprocessor 
directives are aimed at idiosyncracies of Apple's gcc version.

Originally committed as revision 10206 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-24 14:57:46 +00:00
Michael Niedermayer
be693f956e int->uint8_t 
Originally committed as revision 10205 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-24 14:18:09 +00:00
Michael Niedermayer
50464a1e83 int->int8_t (no need for them to be int ...) 
Originally committed as revision 10204 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-24 14:02:02 +00:00
Reimar Döffinger
b1ec601f7f Add request_channels member to AVCodecContext so we now have a proper 
way to tell the decoder how many output channels we would like.

Originally committed as revision 10199 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-23 20:28:28 +00:00
Michael Niedermayer
b538791bc9 use more bits on the encoder side 
negligible increase in quality

Originally committed as revision 10195 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-23 10:49:14 +00:00
Luca Abeni
e02f7490da Initialize the "stc" variable before using it in ff_find_start_code() 
Originally committed as revision 10193 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-23 07:02:27 +00:00
Diego Biurrun
9d16f87ffd Rename CONFIG_DARWIN to SYS_DARWIN, it is not configurable (in FFmpeg). 
Originally committed as revision 10190 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-22 22:46:39 +00:00
Michael Niedermayer
81717747ab simplify 
Originally committed as revision 10186 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-22 17:26:49 +00:00
Benoit Fouet
e2d0eeecf7 right filename in doxygen comment 
Originally committed as revision 10185 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-22 15:03:14 +00:00
Diego Biurrun
e9bfae45bb cosmetics: alphabetical order 
Originally committed as revision 10184 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-22 13:19:10 +00:00
Diego Biurrun
d55388d028 Simplify preprocessor directives. 
Originally committed as revision 10181 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-22 13:04:10 +00:00
Marc Hoffman
18b8b43b4f make clean bfin 
Originally committed as revision 10180 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-22 12:54:49 +00:00
Diego Biurrun
57b499c7da Identifiers starting with underscores are reserved. 
Originally committed as revision 10179 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-22 12:41:16 +00:00
Aurelien Jacobs
5ab657079d parsers and bsfs declarations are not meant to be part of public API 
Originally committed as revision 10173 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-21 18:24:08 +00:00
Michael Niedermayer
ce611a27be Change rounding of the horizontal DWT to match the vertical one. 
This allows some simplifications and optimizations and should
not have any effect on quality.

Originally committed as revision 10172 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-21 16:29:40 +00:00
Aurelien Jacobs
289a723ce3 asv1.c directly uses Put/GetBitContext, so it should include bitstream.h 
Originally committed as revision 10169 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-21 15:48:08 +00:00
Michael Niedermayer
30cd3e66bd remove code which become unused by the previous changes 
Originally committed as revision 10166 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-21 00:05:30 +00:00
Michael Niedermayer
72dee89b5d Simplify and optimize the 4th vertical lifting step of the SSE2 code (untested) 
This also reduces the needed headroom in that step by 1 bit

Originally committed as revision 10165 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-21 00:03:18 +00:00
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
Michael Niedermayer
f29bd6fa71 more stupid double subtractions 
Originally committed as revision 10155 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-20 22:26:49 +00:00
Michael Niedermayer
49ca0e531a get rid of idiotc double subtraction 
Originally committed as revision 10154 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-20 22:18:26 +00:00
Benjamin Larsson
622d633260 Cosmetics, indentation. 
Originally committed as revision 10145 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-19 20:34:27 +00:00
Benjamin Larsson
1cbe9d6a78 Trellis quantization support for adpcm_swf. 
Originally committed as revision 10144 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-19 20:31:53 +00:00
Reimar Döffinger
7b07d3e8fe Use defines instead of raw hex numbers to specify CRC polynomials 
Originally committed as revision 10143 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-19 12:36:15 +00:00
Ramiro Polla
c8f9ef613e CONFIG_7REGS -> HAVE_7REGS 
Originally committed as revision 10121 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-15 21:19:13 +00:00
Marco Gerards
9df4ce5e5b Make the Golomb decoder work for Dirac 
Originally committed as revision 10119 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-15 12:59:27 +00:00
Alexander Strange
6d324c813f Statements like a = b = c = d = e; store from right-to-left, so if 
you write them in the right order it comes out backwards.
This removes them from fill_rectangle().
patch by Alexander Strange %astrange A ithinksw P com%
Original thread:
Date: Aug 14, 2007 5:36 AM
Subject: [FFmpeg-devel] [PATCH] two small h264 optimizations

Originally committed as revision 10118 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-14 22:28:09 +00:00