Michael Niedermayer
629750290f
avoid overflow in the 3rd lifting step, this now needs mmx2 at minimum
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(patch for plain mmx support is welcome ...)
Originally committed as revision 10226 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
b696a4c91d
avoid an overflow in the 1 horizontal lifting step
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Originally committed as revision 10225 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
9caa1cccb9
prevent one overflow in the first vertical lifting step
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Originally committed as revision 10224 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
3e0f7126b5
update mmx code to latest snow changes
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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
17 years ago
Diego Biurrun
273b0cd3c4
prettyprinting cosmetics
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Originally committed as revision 10221 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
ff06e0677b
cleanup (remove some old experimentation related code)
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Originally committed as revision 10220 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
b5b88eb3b4
we only have 2 wavelets, the 3rd was just for experimentation ...
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Originally committed as revision 10219 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
d593e32983
use 16bit IDWT (a SIMD implementation of it should be >2x faster then with
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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
17 years ago
Diego Biurrun
830bf1f20d
whitespace/indentation cosmetics
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Originally committed as revision 10217 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
2722c98128
Remove HAVE_ALTIVEC preprocessor directives that are only compiled
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when AltiVec is enabled anyway.
Originally committed as revision 10216 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
f9edc2331d
Fix trivial mixed declarations and code warning caused by a double semicolon.
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Originally committed as revision 10212 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
e4506f0c98
Remove SYS_DARWIN preprocessor directive that is just a duplicate of a
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gcc-specific directive a few lines below.
Originally committed as revision 10211 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
4b180bbd73
Replace SYS_DARWIN by the more correct __APPLE_CC__, these preprocessor
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directives are aimed at idiosyncracies of Apple's gcc version.
Originally committed as revision 10210 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
b1312aa24d
Merge __MWERKS__ preprocessor directives.
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Originally committed as revision 10208 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
8008a04325
Move Apple gcc AltiVec vector declaration syntax to libavutil.
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Originally committed as revision 10207 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
08f87a9c99
Replace SYS_DARWIN by the more correct __APPLE_CC__, these preprocessor
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directives are aimed at idiosyncracies of Apple's gcc version.
Originally committed as revision 10206 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
be693f956e
int->uint8_t
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Originally committed as revision 10205 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
50464a1e83
int->int8_t (no need for them to be int ...)
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Originally committed as revision 10204 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Reimar Döffinger
b1ec601f7f
Add request_channels member to AVCodecContext so we now have a proper
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way to tell the decoder how many output channels we would like.
Originally committed as revision 10199 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
b538791bc9
use more bits on the encoder side
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negligible increase in quality
Originally committed as revision 10195 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Luca Abeni
e02f7490da
Initialize the "stc" variable before using it in ff_find_start_code()
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Originally committed as revision 10193 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
9d16f87ffd
Rename CONFIG_DARWIN to SYS_DARWIN, it is not configurable (in FFmpeg).
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Originally committed as revision 10190 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
81717747ab
simplify
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Originally committed as revision 10186 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Benoit Fouet
e2d0eeecf7
right filename in doxygen comment
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Originally committed as revision 10185 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
e9bfae45bb
cosmetics: alphabetical order
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Originally committed as revision 10184 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
d55388d028
Simplify preprocessor directives.
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Originally committed as revision 10181 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Marc Hoffman
18b8b43b4f
make clean bfin
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Originally committed as revision 10180 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Diego Biurrun
57b499c7da
Identifiers starting with underscores are reserved.
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Originally committed as revision 10179 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Aurelien Jacobs
5ab657079d
parsers and bsfs declarations are not meant to be part of public API
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Originally committed as revision 10173 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
ce611a27be
Change rounding of the horizontal DWT to match the vertical one.
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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
17 years ago
Aurelien Jacobs
289a723ce3
asv1.c directly uses Put/GetBitContext, so it should include bitstream.h
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Originally committed as revision 10169 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
30cd3e66bd
remove code which become unused by the previous changes
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Originally committed as revision 10166 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
72dee89b5d
Simplify and optimize the 4th vertical lifting step of the SSE2 code (untested)
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This also reduces the needed headroom in that step by 1 bit
Originally committed as revision 10165 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
d0dae46a90
Simplify and optimize the 4th vertical lifting step of the MMX code
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This also reduces the needed headroom in that step by 1 bit
Originally committed as revision 10164 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
1ffbbef217
Simplify and speedup code, reduce needed headroom by 2 bits in the 3rd
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vertical lifting step of the SSE2 code (untested)
Originally committed as revision 10163 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
4bf1790421
simplify, speedup and reduce needed headroom by 2 bits in the 3rd
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vertical lifting step
Originally committed as revision 10162 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
dd30437bbe
replace <<1 by add for SSE2 (untested)
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Originally committed as revision 10161 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
7e665a3943
replace <<1 by add
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Originally committed as revision 10160 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
eee649d3b5
slightly change horizontal lift3 so it needs 1 bit less headroom
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Originally committed as revision 10159 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
be3b22f9ca
remove idiotc double subtraction from the sse2 code (untested, no sse2 here)
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Originally committed as revision 10158 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
8510c519e7
fixme note
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Originally committed as revision 10157 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
3a9f44d5d5
and of course the unneeded double subtractions were blindly put in the
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mmx code
this also makes the affected code 4% faster
Originally committed as revision 10156 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
f29bd6fa71
more stupid double subtractions
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Originally committed as revision 10155 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
49ca0e531a
get rid of idiotc double subtraction
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Originally committed as revision 10154 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Benjamin Larsson
622d633260
Cosmetics, indentation.
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Originally committed as revision 10145 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Benjamin Larsson
1cbe9d6a78
Trellis quantization support for adpcm_swf.
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Originally committed as revision 10144 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Reimar Döffinger
7b07d3e8fe
Use defines instead of raw hex numbers to specify CRC polynomials
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Originally committed as revision 10143 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Ramiro Polla
c8f9ef613e
CONFIG_7REGS -> HAVE_7REGS
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Originally committed as revision 10121 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Marco Gerards
9df4ce5e5b
Make the Golomb decoder work for Dirac
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Originally committed as revision 10119 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Alexander Strange
6d324c813f
Statements like a = b = c = d = e; store from right-to-left, so if
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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
18 years ago