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1217 Commits

Author SHA1 Message Date
Federico Tomassetti
7ebb302229 swscale: Check memory allocation 
Bug-Id: CID 1267890
CC: libav-stable@libav.org

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2015-03-21 23:18:11 +01:00
Himangi Saraogi
9a60b1fad0 libswscale: fix compiler warnings enumerated type mixed with another type 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2015-03-15 18:29:22 +01:00
Federico Tomassetti
e51f22122d swscale: Check memory allocations 
CC: libav-stable@libav.org
Bug-Id: CID 1267888 / CID 1267890
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2015-02-17 12:16:43 -05:00
Vittorio Giovara
2df7277711 swscale: fix gbrap to gbrap alpha scaling 2015-01-16 02:47:15 +01:00
Vittorio Giovara
89df3fd49e swscale: fix warning about incompatible function pointer type 2015-01-16 02:47:10 +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
Vittorio Giovara
1dd797e3c9 swscale: check memory allocations 
CC: libav-stable@libav.org
Bug-Id: CID 1257779
 2015-01-05 15:35:39 +01:00
Derek Buitenhuis
33c827f632 swscale: Properly scale YUV 
Only shift limited range luma, and always only shift chroma
for upconversion.

Based off a patch by Michael Niedermayer.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2014-12-05 13:03:49 +00:00
Vittorio Giovara
fc1eda543c swscale: fix sign extensions in yuv planar conversion 
Casting the left-most byte to unsigned avoids an undefined
result of the shift by 24 if bit 7 is set.

yuvPlanartouyvy_c and yuvPlanartoyuy2_c are affected.

CC: libav-stable@libav.org
Bug-Id: CID 732281 / CID 732282
 2014-10-18 16:15:10 +01:00
Anton Khirnov
1985c2e75c Bump major versions of all libraries. 2014-08-09 16:58:33 +00:00
Anton Khirnov
f4c444e17d Postpone API-incompatible changes until the next bump. 2014-08-09 16:57:10 +00:00
Diego Biurrun
bb789016d4 swscale: Undeprecate sws_getContext() 
sws_getCachedContext is not a full replacement for the function.
 2014-08-07 04:03:00 -07:00
Vittorio Giovara
f84a1b597c swscale: support AV_PIX_FMT_YA16 as input 
Based on a long debug session with Kostya.
 2014-08-04 12:56:05 +01:00
Vittorio Giovara
e96c3b81ca avutil: rename AV_PIX_FMT_Y400A to AV_PIX_FMT_YA8 
The rationale is that you have a packed format in form
<greyscale sample> <alpha sample> <greyscale sample> <alpha sample>
and shortening greyscale to 'G' might make one thing about Greenscale instead.
An alias pixel format and color space name are provided for compatibility.
 2014-08-04 12:55:08 +01:00
Kostya Shishkov
5420099cab swscale: correctly pad destination buffer in rgb conversion 
Bug-Id: 772
CC: libav-stable@libav.org
Found-By: Justin Ruggles <justin.ruggles@gmail.com>
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2014-08-04 12:55:07 +01:00
Diego Biurrun
880e2aa236 Remove all Blackfin architecture optimizations 
Blackfin is a painful platform to work with, no test machines are available
and the range of multimedia applications is dubious. Thus it only represents
a maintenance burden.
 2014-06-02 08:41:47 -07:00
Janne Grunau
449511740f build: handle library dependencies in configure 
Instead of setting FFLIBS in each library Makefile configure
exports FFLIBS-$library in config.mak.
 2014-05-13 20:02:01 +02:00
Luca Barbato
3a177a9cca swscale: Fix an undefined behaviour 
Prevent a division by zero down the codepath.

Sample-Id: 00001721-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2014-05-03 18:25:17 +02:00
Justin Ruggles
d9a542ace1 swscale: Set alpha to opaque for internal palettes. 
Fixes conversion of pal8 to rgb formats with alpha.

Updated references for 2 FATE tests which previously encoded fully
transparent images.

Based on a patch by Baptiste Coudurier <baptiste.coudurier@gmail.com>
 2014-04-12 14:07:19 -04:00
Justin Ruggles
20c38c9c18 swscale: fix some undefined signed left shifts 
Based on a patch by Michael Niedermayer <michaelni@gmx.at>
 2014-04-12 13:24:47 -04:00
Justin Ruggles
60c4660ba0 swscale: fix an implementation-defined unsigned-to-signed conversion 2014-04-12 13:24:47 -04:00
Vittorio Giovara
92b099daf4 swscale: support converting YVYU422 pixel format 2014-04-07 23:50:34 +02:00
Janne Grunau
0ca0924c10 swscale: add endianness conversion for AV_PIX_FMT_BGRA64|RGBA64 2014-04-02 11:39:26 +02:00
Diego Biurrun
aba70bb538 Add missing headers to make template files compile (more) standalone 2014-03-26 04:31:27 -07:00
Jean First
1481d24c3a RGBA64 pixel formats 
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2014-03-16 23:05:47 +01:00
Diego Biurrun
da785231ea bfin: Refactor duplicated assembly-related macros 2014-03-13 08:15:52 -07:00
Diego Biurrun
e99af2a3b1 bfin: Refactor duplicated l1_text/l1_data_B macros 2014-03-13 08:15:52 -07:00
Diego Biurrun
b4dd424d96 Remove all SPARC architecture optimizations 
SPARC is no longer being used in any multimedia-related fields and the
VIS optimizations only represent a maintenance burden.
 2014-03-13 05:50:28 -07:00
Michael Niedermayer
91c981857b rgb2rgb_template: add MMX/SSE2/AVX-optimized deinterleaveBytes 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2014-01-21 18:03:41 +01:00
Michael Niedermayer
7597e6efe4 swscale/x86/rgb2rgb: add support for AVX 
This does not yet include any actual AVX code

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2014-01-21 18:01:29 +01:00
Michael Niedermayer
9047491f8b swscale: add nv12/nv21->yuv420 converter 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2014-01-21 17:55:07 +01:00
Michael Niedermayer
eb01a25fe1 swscale: fix stride used in planarToNv12Wrapper() 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2014-01-21 17:54:40 +01:00
Diego Biurrun
46bacb5cc6 x86: Consistently use cpu flag detection macros in places that still miss it 2014-01-14 00:04:58 +01:00
Diego Biurrun
b83d1ee3b4 avutil: Move library version related macros to version.h 
This is a more sensible place for these macros.
 2013-12-26 19:05:22 +01:00
Luca Barbato
c85aad9cb2 doxy: Define a group for libswscale documentation 
Uniform the style and eliminate a warning on newer doxygen version..
 2013-12-13 23:53:30 +01:00
Diego Biurrun
c16bfb147d swscale: x86: Consistently use lowercase function name suffixes 2013-11-22 23:01:51 +01:00
Vittorio Giovara
6b3ff6f91a swscale: provide a default scaler if none is set 
Lanczos for general case, sinc for upscaling, Gaussian for
downscaling. According to current literature these scalers
should be the best quality-wise algorithms for each case.

Inspired from a patch by wm4 <nfxjfg@googlemail.com>

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-10-05 18:38:55 +02:00
Diego Biurrun
a0b901a348 Drop pointless directory name prefixes from #includes in the current dir 2013-09-10 12:38:41 +02:00
Sean McGovern
f1f728cbe4 ppc: don't return a value from a function declared void 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2013-08-30 00:41:10 +03:00
Diego Biurrun
79aec43ce8 x86: Add and use more convenience macros to check CPU extension availability 2013-08-29 13:07:37 +02:00
Diego Biurrun
a6b6501185 ppc: cosmetics: Consistently format CPU flag detection invocations 2013-08-29 11:31:32 +02:00
Diego Biurrun
67e6a9f558 cosmetics: Place arch initialization calls in alphabetical order 2013-08-29 11:24:14 +02:00
Diego Biurrun
1909f6b1b6 swscale: cosmetics: Drop silly camelCase from swScale function pointer name 2013-08-29 10:23:54 +02:00
Diego Biurrun
4e0799a4d0 swscale: Add some missing av_cold to arch-specific init functions 2013-08-29 10:23:53 +02:00
Diego Biurrun
3aa682f253 swscale: consistent names for arch-specific acceleration functions 2013-08-29 10:23:52 +02:00
Diego Biurrun
c2503d9c8a swscale: ppc: Hide arch-specific initialization details 
Also give consistent names to init functions.
 2013-08-29 10:23:41 +02:00
Diego Biurrun
a519583991 swscale: x86: Hide arch-specific initialization details 
Also give consistent names to init functions.
 2013-08-28 23:59:24 +02:00
Diego Biurrun
f61bece684 ppc: Add and use convenience macro to check for AltiVec availability 2013-08-28 23:54:15 +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
Diego Biurrun
d258531502 swscale: Mark a bunch of tables only used within one file static 2013-08-15 14:38:03 +02:00