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18 Commits

Author SHA1 Message Date
Andreas Rheinhardt
1ea3650823 Replace all occurences of av_mallocz_array() by av_calloc() 
They do the same.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-09-20 01:03:52 +02:00
Michael Niedermayer
7874d40f10 swscale/slice: Fix wrong return on error 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-07-09 15:21:37 +02:00
Michael Niedermayer
997f9cfc12 swscale/slice: Check slice for allocation failure 
Fixes: null pointer dereference
Fixes: alloc_slice.mp4

Found-by: Rafael Dutra <rafael.dutra@cispa.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-07-09 12:29:03 +02:00
Jeremy Leconte
29cef1bcd6 libswscale: avoid UB nullptr-with-offset. 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-12-24 15:27:56 +01:00
Mark Reid
b4967fc71c libswscale: add output support for AV_PIX_FMT_GBRAPF32 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-05-05 20:06:58 +02:00
Carl Eugen Hoyos
851f4255e0 lsws/slice: Move a misplaced const. 
Fixes a gcc warning:
libswscale/slice.c:178:56: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
 2017-03-08 00:33:21 +01:00
Pedro Arthur
e616e9a4b8 swscale: fix ring buffer size when scaling slices of a frame 
The ring buffer size should be able to store input lines
when there is not enough lines to output a single line.
 2016-06-10 09:45:24 -03:00
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
Derek Buitenhuis
15d9645fb4 swscale/slice: Actually use the buffers' strides 
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2016-02-16 14:25:25 +00:00
Michael Niedermayer
705a2f70ee swscale/slice: Fix indention 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-01-14 21:58:02 +01:00
Michael Niedermayer
8feeffc1d7 swscale/slice: Fix doc typo 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-01-14 21:58:02 +01:00
Pedro Arthur
5bd62a1b3c swscale: fix ticket #4881 
When scaling only a slice of a frame the output was written always
in the first lines leaving the rest of the frame black.
 2015-10-13 13:43:39 -03:00
Pedro Arthur
3059562aa1 swscale: re-enable gamma 
+added gamma conversion to refactored code
 2015-09-04 19:00:20 -03:00
Pedro Arthur
f67aff3ad7 swscale: added proper error check for ff_init_filters 2015-09-04 19:00:20 -03:00
Pedro Arthur
62d176de12 swscale: refactor vertical scaler 2015-08-19 10:43:52 -03:00
Pedro Arthur
0f3687d6fb swscale: add license headers and copyrights 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-08-18 22:56:50 +02:00
Pedro Arthur
737aa902f0 swscale: process horizontal lines in batches 
Process more lines in a single pass to improve performance

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-08-18 01:33:32 +02:00
Pedro Arthur
e0a3173a94 swscale: refactor horizontal scaling 
+ split color conversion from scaling
- disabled gamma correction, until it's refactored too

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-08-18 01:33:32 +02:00