8 Commits

Author SHA1 Message Date
Michael Niedermayer
d5877b21a2
avfilter/vf_signature: Dont crash on no frames
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3d5f03bbc8bba2929cc09b07d2731ae5d392e772)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-14 21:19:56 +02:00
Michael Niedermayer
aec94df69b
avfilter/vf_signature: Fix integer overflow in filter_frame()
Fixes: CID1403233

The second of the 2 changes may be unneeded but will help coverity

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit dd6040675ec18d19429f882caea6bb306ed6677a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:48 +02:00
Andreas Rheinhardt
b343188cd8 avfilter/vf_signature: Fix leak of string upon error
If an error happens between allocating a string intended to be used as
an inpad's name and attaching it to its input pad, the string leaks.
Fix this by inserting the inpad directly after allocating its string.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 16ea88778e6f4e2d49318ea6e02fa938ac2f401e)
2021-02-27 07:20:57 +01:00
Andreas Rheinhardt
ed86d63a7f avfilter/vf_signature: Fix leak of inpads' names
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 37838417b8045fa3a49acc55546c741d3f2ac602)
2021-02-27 07:20:57 +01:00
Michael Niedermayer
35eeff30ca avfilter/vf_signature: use av_strlcpy()
Fixes: out of array access

Found-by: Kira <kira_cxy@foxmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-04-01 02:58:51 +02:00
Timo Rothenpieler
feb13aed79 avfilter/vf_signature: fix memory leaks in error cases
Fixes CIDs 1403234 and 1403235
2017-06-13 19:49:39 +02:00
Michael Niedermayer
eaf6f10f1b avfilter/vf_signature: Replace uncommon spelling of seperate
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-26 20:34:47 +02:00
Gerion Entrup
5e3a418b60 add signature filter for MPEG7 video signature
This filter does not implement all features of MPEG7. Missing features:
- compression of signature files
- work only on (cropped) parts of the video

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-21 00:11:08 +01:00