Fixed colorthres/erase/extract/gaussianblur/gradient/motionblur/motiondetect/noise/psychedelic/sharpen filters.

input and output picture pitches may not be equal (corruptions or segfaults).
(cherry picked from commit eb07c341)
Signed-off-by: Rémi Duraffort <ivoire@videolan.org>

- check validity before using iterators
- don't use iterator anymore once the item is erased
(cherry picked from commit 81652244)

This patch fixes a regression brought by 88ba4526d03285a10e9abd59b9053c9d6927661
 that prevented arrows from being functional.
(cherry picked from commit 41f42043)

Reported-by: FortiGuard Lab
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
(cherry picked from commit 0a3d05b4)

In the current lua vlm implementation, messages can have value xor
children but not both. But the "show media" command gives media a
value : ( %d broadcast - %d vod ) and children (if any). (cf
src/input/vlmshell.c:1502)
Signed-off-by: Rémi Duraffort <ivoire@videolan.org>
(cherry picked from commit 1b67e3a6)
Signed-off-by: Rémi Duraffort <ivoire@videolan.org>

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
(cherry picked from commit 86c01d64)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 86cf130e)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 4b897bbb)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

 - for some reason, this worked on Linux (?!?)
 - for some other reason, there doesn't seem to be 2 different modes for add_file

Close #4004
(cherry picked from commit 0e3e62f3)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
(cherry picked from commit 81c74a98)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 4d79e227)
Signed-off-by: Rémi Duraffort <ivoire@videolan.org>

(cherry picked from commit c9e7c34b)
Signed-off-by: Rémi Duraffort <ivoire@videolan.org>

(cherry picked from commit 829f7b96)
Signed-off-by: Rémi Duraffort <ivoire@videolan.org>

Also include sys/param.h when trying to detect the presence of sys/mount.h so that the test works on OpenBSD, as documented by mount(2).
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
(cherry picked from commit 3bc47647)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 113cb994)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 68c78698)

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Removes the KDE scheduler hack.
(cherry picked from commit 725cf4eb)

Conflicts:

	bin/vlc.c

This fixes #3980, #4022 and #4025.
This reverts commit dd074f30.

The same check is already done in the dvdread, ps and vobsub modules.
(cherry picked from commit 8a497301)

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

(cherry picked from commit 63885438)
Signed-off-by: Rémi Duraffort <ivoire@videolan.org>

(cherry picked from commit 07471c3c)
Signed-off-by: Rémi Duraffort <ivoire@videolan.org>

Fixes warning
(cherry picked from commit a9e82f63)
Signed-off-by: Rémi Duraffort <ivoire@videolan.org>

(cherry picked from commit bfd061bb)