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106 Commits

Author SHA1 Message Date
Michael Niedermayer 7b7f97532b swscale/output: Fix several invalid shifts in yuv2rgb_full_1_c_template() 
Fixes: Invalid shifts
Fixes: #8320

Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-01-22 18:41:46 +01:00
Michael Niedermayer d260621089 swscale/output: Avoid 64bit in Alpha in yuv2ya16_X_c_template() 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-10-16 19:17:57 +02:00
Michael Niedermayer 3e6682931b swscale/output: Correct Alpha in yuv2ya16_X_c_template() 
Untested, no testcase

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-10-16 19:17:57 +02:00
Michael Niedermayer 4f4ca675e5 swscale/output: Implement Luma computation from yuv2ya16_X_c_template() without 64bit 
This also reverts 21838cad2f
The revert is in this commit to avoid 2 fate updates

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-10-16 19:17:57 +02:00
Paul B Mahol 21838cad2f swscale/output: fix signed integer overflow for ya16 
Fixes #7666.
 2019-09-26 15:56:47 +02:00
Linjie Fu ef1342650f swscale/output: fix some code indentations 
Signed-off-by: Linjie Fu <linjie.fu@intel.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-09-06 22:06:12 +02:00
Philip Langdale cd48318035 swscale: Add support for NV24 and NV42 
The implementation is pretty straight-forward. Most of the existing
NV12 codepaths work regardless of subsampling and are re-used as is.
Where necessary I wrote the slightly different NV24 versions.

Finally, the one thing that confused me for a long time was the
asm specific x86 path that did an explicit exclusion check for NV12.
I replaced that with a semi-planar check and also updated the
equivalent PPC code, which Lauri kindly checked.
 2019-05-12 07:51:02 -07:00
Lauri Kasanen 81a4719d8e swscale: Remove duplicated code 
In this function, the exact same clamping happens both in the if and unconditionally.
 2019-03-27 09:00:06 +02:00
Martin Vignali db4771af81 swscale : add YA16 LE/BE output 2018-10-18 21:43:24 +02:00
Sergey Lavrushkin 582bc5a348 libswscale: Adds conversions from/to float gray format. 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-08-14 18:22:39 +02:00
Philip Langdale 9d5aff09a7 swscale: Add p016 output support and generalise yuv420p1x to p010 
To make the best use of existing code, I generalised the wrapper
that currently does yuv420p10 to p010 to support any mixture of
input and output sizes between 10 and 16 bits. This had the side
effect of yielding a working code path for all yuv420p1x formats
to p01x.
 2018-03-02 14:52:48 -08:00
James Cowgill 013ec23cbe swscale: fix gbrap16 alpha channel issues 
Fixes filter-pixfmts-scale test failing on big-endian systems due to
alpSrc not being cast to (const int32_t**).

Also fixes distortions in the output alpha channel values by copying the
alpha channel code from the rgba64 case found elsewhere in output.c.

Fixes ticket 6555.

Signed-off-by: James Cowgill <James.Cowgill@imgtec.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-08-05 23:24:02 +02:00
Paul B Mahol 6427c9ffee swscale: add gbr(a)p16 output support 2016-12-01 21:37:25 +01:00
Michael Niedermayer b828788d58 swscale: Add GBRAP10 output 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-11-10 00:33:12 +01:00
Luca Barbato 2c7d8cbd66 swscale: Add the GBRAP12 output 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-11-10 00:33:12 +01:00
Michael Niedermayer 873d06c76e swscale/output: Fix alpha shift in yuv2gbrp_full_X_c() 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-11-10 00:33:12 +01:00
Michael Niedermayer d736b52a04 swscale: Drop is9_OR_10BPS() use, its name is not correct 
Found-by: Luca Barbato
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-11-10 00:33:12 +01:00
Timo Rothenpieler 99882d05a6 swscale: add support for P010LE/BE output 2016-08-31 13:19:46 +02:00
Michael Niedermayer 76d377d0a0 swscale/output: Fix rounding offset in yuv2gbrp_full_X_c() 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-08-23 02:46:02 +02:00
Clément Bœsch 8ef57a0d61 Merge commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb' 
* commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb':
  cosmetics: Fix spelling mistakes

Merged-by: Clément Bœsch <u@pkh.me>
 2016-06-21 21:55:34 +02:00
Vittorio Giovara 41ed7ab45f cosmetics: Fix spelling mistakes 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2016-05-04 18:16:21 +02:00
Diego Biurrun 0f40c90984 Drop pointless assert.h #includes 2016-05-03 15:45:10 +02:00
Pedro Arthur 6de58b4903 swscale: cleanup unused code 
Removed previous swscale code under '#ifndef NEW_FILTER'
and removed unused fields of SwsContext
 2016-03-31 16:36:16 -03:00
Michael Niedermayer 23261e6001 sws/output: fix ordered dither threshold for mono output 
This makes sure that white stays white and black black

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-02-10 17:22:26 +01:00
Michael Niedermayer b99f498716 swscale/output: Assert that yalpha and uvalpha are within their expected range 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-01-14 21:58:02 +01:00
Ganesh Ajjanagadde 7cf22c7970 swscale/output: fix undefined left shifts of negative numbers 
This fixes -Wshift-negative-value reported with clang 3.7+, e.g
http://fate.ffmpeg.org/log.cgi?time=20150918181527&log=compile&slot=x86_64-darwin-clang-polly-vectorize-stripmine-3.7.

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-09-20 01:14:36 +02:00
Hendrik Leppkes 5d8e836d0e Replace all remaining occurances of step/depth_minus1 and offset_plus1 2015-09-08 17:10:48 +02:00
Hendrik Leppkes 151aa2ebff Merge commit '2268db2cd052674fde55c7d48b7a5098ce89b4ba' 
* commit '2268db2cd052674fde55c7d48b7a5098ce89b4ba':
  lavu: Drop the {minus,plus}1 suffix from AVComponentDescriptor fields

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
 2015-09-08 16:35:28 +02:00
Vittorio Giovara 2268db2cd0 lavu: Drop the {minus,plus}1 suffix from AVComponentDescriptor fields 
The new fields can be accessed directly and are more intelligible.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2015-09-07 12:37:47 +02:00
Michael Niedermayer 1909a9151c swscale/output: Fix "warning: assignment from incompatible pointer type" 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-07-25 03:15:56 +02:00
Paul B Mahol 3cb8eee6f7 swscale: ayuv64le output support 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-07-24 03:45:48 +00:00
Michael Niedermayer 8255b14c68 swscale/output: fix input indexing in yuv2ya8_2_c() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-07-04 00:03:45 +02:00
Michael Niedermayer ab80d3fb3a swscale/output: fix null pointer dereference in yuv2ya8_2_c() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-07-03 23:03:25 +02:00
Paul B Mahol 2778fdbe54 swscale: implement YA8 output 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-07-02 17:36:05 +00:00
Michael Niedermayer e29d996149 swscale/output: Add rgba64/rgb48/bgra64/bgr48 output functions with full chroma interpolation 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-06-17 00:45:46 +02:00
Michael Niedermayer f140a99f8b swscale/output: Factorize rgb48 and 64bit code 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-06-17 00:45:46 +02:00
Michael Niedermayer bdcd36a4c8 swscale/output: Fix undefined shifts 
Fixes: da14e86d8462be6493eab16bc2d40f88/asan_heap-oob_204cfd2_528_cov_340150052_COMPRESS.BMP

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-03-25 18:31:25 +01:00
Michael Niedermayer 03bffb68f6 swscale: Use av_clip_uintp2() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-02-21 14:49:17 +01:00
Paul B Mahol 928061670e libswscale: GBRAP input & output and GBRAP16 input support 
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2015-01-14 17:17:24 +01:00
Michael Niedermayer ed962414bd Merge commit '92b099daf4b8ef93513e38b43899cb8458a2fde3' 
* commit '92b099daf4b8ef93513e38b43899cb8458a2fde3':
  swscale: support converting YVYU422 pixel format

Conflicts:
	libswscale/input.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-09 03:36:38 +02:00
Vittorio Giovara 92b099daf4 swscale: support converting YVYU422 pixel format 2014-04-07 23:50:34 +02:00
Michael Niedermayer 37f69cd93e swscale: add full bgra64 support 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-02 19:44:08 +02:00
Øyvind Kolås 3e6016622e swscale: add two spatially stable dithering methods 
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
 2014-03-25 13:48:06 +01:00
Michael Niedermayer c14fc4585c Merge commit 'aa2ba8c99e5708884a56aea9c1d96e014866f8a3' 
* commit 'aa2ba8c99e5708884a56aea9c1d96e014866f8a3':
  swscale: Move extern declarations for tables to swscale_internal.h

Conflicts:
	libswscale/output.c
	libswscale/swscale_internal.h
	libswscale/swscale_unscaled.c
	libswscale/utils.c
	libswscale/yuv2rgb.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-16 12:56:48 +02:00
Michael Niedermayer 1e0e193240 sws: add dither enum 
This allows specifying more dither algorithms without using up flags and
without ambiguities.

Also initialize the new field based on the flags and use it.
Note, improving the logic of the checks is left to subsequent
commits, this here only switches from flags to enum.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-15 21:39:32 +02:00
Diego Biurrun aa2ba8c99e swscale: Move extern declarations for tables to swscale_internal.h 
Also add missing ff_ prefixes where necessary.
 2013-08-15 14:38:03 +02:00
Paul B Mahol b154d203b1 swscale/output: silence warning about undefined 'ASSERT_LEVEL' 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-05-19 14:06:16 +00:00
Paul B Mahol f4b2d3598b swscale/output: remove unused header 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-05-19 14:04:14 +00:00
Michael Niedermayer e1efacf60b sws/output: yuv2rgb_write() assert that alpha has the correct value in the tables 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-18 15:14:19 +02:00
Michael Niedermayer 5918b7ac41 sws/output: init A1/A2 so that rgba64 ends with 0xffff in the absence of alpha input 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-18 01:20:30 +02:00