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Fixes Ticket3594
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Can be tested with:
$ ./configure --cc='cc -m32' --disable-optimizations --enable-pic
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Fixes part of Ticket3466
Found by: Andrey_Karpov / PVS-Studio
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This way all context fields get initialized and can be used without needing to reinit the context
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '60c4660ba035bbfbcc84ac34129ce40e037c70ad':
swscale: fix an implementation-defined unsigned-to-signed conversion
Conflicts:
libswscale/swscale_unscaled.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '92b099daf4b8ef93513e38b43899cb8458a2fde3':
swscale: support converting YVYU422 pixel format
Conflicts:
libswscale/input.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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for the compile time define
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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malloc failure
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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MAX_FILTER_SIZE is changed
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '0ca0924c10d9617a5793964bf79655424ef32b68':
swscale: add endianness conversion for AV_PIX_FMT_BGRA64|RGBA64
Conflicts:
libswscale/swscale_unscaled.c
libswscale/utils.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'aba70bb5387f12dfa5e6cd8cb861c9c7e668151f':
Add missing headers to make template files compile (more) standalone
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes ticket #3495.
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Both of these dithering methods are from http://pippin.gimp.org/a_dither/ for
GIF they can be considered better than bayer (provides more gray-levels), and
spatial stability - often more than twice as good compression and less visual
flicker than error diffusion methods (the methods also avoids error-shadow
artifacts of diffusion dithers).
These methods are similar to blue/green noise type dither masks; but are
simple enough to generate their mask on the fly. They are still research work
in progress; though more expensive to generate masks (which can be used in a
LUT) like 'void and cluster' and similar methods will yield superior results
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Should fix fate failure with clang ftrapv
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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full-scale.
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symbol reference in inline asm are not supported.
This is part of the patch-set for intel C inline asm on windows support
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Improves rgb -> gray16 conversion
Fixes Ticket3422
The pam and png output files look visually similar, in both cases the
dynamics increase to 0x0 -> 0xfffb.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '1481d24c3a0abf81e1d7a514547bd5305232be30':
RGBA64 pixel formats
Conflicts:
doc/APIchanges
libavutil/pixdesc.c
libavutil/pixfmt.h
libavutil/version.h
libswscale/utils.c
See: 9569a3c9f41387a8c7d1ce97d8693520477a66c3
See: 92afb431621c79155fcb7171d26f137eb1bee028, as well as others
Note: the enum values added in libav are incompatible/different to what ffmpeg used since 3 years
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'da785231ea0b82b5c2526babbb2871c935b21a87':
bfin: Refactor duplicated assembly-related macros
Conflicts:
libavcodec/bfin/hpel_pixels_bfin.S
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'e99af2a3b1660b4f328335149980064692097cad':
bfin: Refactor duplicated l1_text/l1_data_B macros
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'b4dd424d96f09f9bafb88e47f37df65dc4529143':
Remove all SPARC architecture optimizations
Conflicts:
Makefile
configure
libavcodec/sparc/dsputil_vis.c
libavcodec/sparc/dsputil_vis.h
libavcodec/sparc/hpeldsp_vis.c
libavcodec/sparc/simple_idct_vis.c
libavcodec/sparc/vis.h
libswscale/sparc/yuv2rgb_vis.c
libswscale/swscale_internal.h
If someone wants to maintain these (or other) SPARC optimizations, please
contact me or ffmpeg-devel.
I am happy to revert this removial if theres someone considering to
maintain this code.
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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SPARC is no longer being used in any multimedia-related fields and the
VIS optimizations only represent a maintenance burden.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* qatar/master:
rgb2rgb_template: add MMX/SSE2/AVX-optimized deinterleaveBytes
Conflicts:
libswscale/x86/rgb2rgb_template.c
See: 3033cd7555921242cbdc06d0d8aee9f8925d6a3c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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* commit '7597e6efe492cb2449bb771054d64cc7fdf62ff5':
swscale/x86/rgb2rgb: add support for AVX
Conflicts:
libswscale/x86/rgb2rgb_template.c
See: 4729b529e60fb99356a1d9e13793835af50b3e87
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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This does not yet include any actual AVX code
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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* commit '9047491f8bcd87673eed55fb310647a03b0981e9':
swscale: add nv12/nv21->yuv420 converter
Conflicts:
libswscale/rgb2rgb.c
libswscale/rgb2rgb_template.c
See: ef627bf9ecddfa888d4c6e4fd633852798c3b4a9
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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* commit '46bacb5cc6169ff5e8e982495c4925467c1d8bb7':
x86: Consistently use cpu flag detection macros in places that still miss it
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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