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18 Commits

Author SHA1 Message Date
Andreas Rheinhardt
a04ad248a0 avfilter: Constify all AVFilters 
This is possible now that the next-API is gone.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Signed-off-by: James Almer <jamrial@gmail.com>
 2021-04-27 11:48:05 -03:00
Andreas Rheinhardt
2ae73b74bb avfilter/vf_nnedi: Fix use of uninitialized value 
Fixes Coverity issue #1473546.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 2021-03-10 21:00:21 +01:00
Andreas Rheinhardt
2bcec40cce avfilter/vf_nnedi: Fix segfault when prescreening is disabled 
Since c737f6edce prescreening is
nevertheless run because of a wrong check: "if (s->prescreen > 0)".
s->prescreen is an array of two function pointers that is contained in
the context and comparing it with 0 (i.e. NULL) is actually undefined
behaviour, because NULL and s->prescreen do not point to the same
object (NULL after all never points to any object). Nevertheless both
Clang as well as GCC compile this to code that treat s->prescreen > 0 as
true, leading to segfaults, because the code then tries to access the
-1th member of an array.

This commit fixes the check as well as another such check a few lines
below.

(Found via compiler warnings enabled by -pedantic:
"ordered comparison between pointer and zero is an extension".)

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 2021-01-24 22:37:55 +01:00
Paul B Mahol
24dc6d386c avfilter/vf_nnedi: fix memleak at eof and simplify frame handling 2021-01-20 13:39:59 +01:00
Paul B Mahol
1dc71cf64e avfilter/vf_nnedi: small improvements 2021-01-20 13:39:59 +01:00
Paul B Mahol
f359575c0b avfilter/vf_nnedi: unbreak nsize=0:nns=0 output 2021-01-19 20:37:37 +01:00
Paul B Mahol
c737f6edce avfilter/vf_nnedi: simplify code even more 2021-01-19 20:37:37 +01:00
Paul B Mahol
553eb07737 avfilter/vf_nnedi: small cleanups 2021-01-19 14:59:05 +01:00
Paul B Mahol
f3f5ba0bf8 avfilter/vf_nnedi: fix some compilation errors and warnings 2021-01-19 12:15:07 +01:00
Paul B Mahol
117bf7394f avfilter/vf_nnedi: rewrite and cleanup code 
Also add slice threading support.
Also add support for >8 depth formats.
Also add support for commands.
 2021-01-18 14:05:51 +01:00
Paul B Mahol
376c61c61b avfilter/vf_nnedi: use av_fopen_utf8() 2020-09-07 19:13:19 +02:00
Paul B Mahol
5b4010e886 avfilter/vf_nnedi: fix possible double free 2019-10-07 11:15:44 +02:00
Carl Eugen Hoyos
37afeabd1b lavfi/nnedi: Fix a compilation warning. 
Silences the following warning:
libavfilter/vf_nnedi.c:611:15: warning: assignment discards ‘const’ qualifier from pointer target type
 2016-02-23 00:21:49 +01:00
Carl Eugen Hoyos
44cf5b41d3 lavfi/nnedi: Fix a memleak. 2016-02-23 00:19:11 +01:00
Michael Niedermayer
ac3a275d1e avfilter/vf_nnedi: Simplify away some trivial mem*() 
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-02-11 02:20:29 +01:00
Michael Niedermayer
674cc26f25 avfilter/vf_nnedi: Fix memleak 
Fixes CID1351359

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-02-10 01:00:08 +01:00
Paul B Mahol
c1b23e158c avfilter/vf_nnedi: fix ISO C90 warnings 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-02-03 09:38:11 +01:00
Paul B Mahol
79991b2288 avfilter: add nnedi filter 
Port of nnedi3 vapoursynth filter.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-02-01 13:16:15 +01:00