(cherry picked from commit 56346f34)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 8f971a41)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 0fa46e2b)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit aa4b22e8)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 9ae385f6)

...as reported earlier on vlc-devel (not reproducible by me).
(cherry picked from commit 05c3c71d)

Close #3551
(cherry picked from commit fbea59eb)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 2c172c17)

This fixes the long-standing bug #3026, aka, VLC can't seek properly in most HD movies from p2p networks :)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Signed-off-by: Rémi Duraffort <ivoire@videolan.org>
(cherry picked from commit 9c2cc4528e6efdb2d9a838212e7dfbf3d4f47fa7)

TB.
(cherry picked from commit 86d1566e)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

TB.
(cherry picked from commit 18c556aa)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Pitch of input and output pictures can be differents...
BP.
(cherry picked from commit 1e48c75e)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 990437d4)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 3725a9ef)

(cherry picked from commit 3eacdd5a)

(cherry picked from commit 1bad2ec1)

(cherry picked from commit 4bf41957)

Use readdir_r() instead of readdir().
(cherry picked from commit ed9336c9)

(Note that we have no demux capable of generating this. This one message
 cannot be found in Standard MIDI File.)
(cherry picked from commit e453dbc3)

(cherry picked from commit 05fbe17a)

(cherry picked from commit f749d30b)
(cherry picked from commit dc07f6a0)

Packagers shall be responsible for fixing FluidSynth thread-safety
issues if they choose to use this old buggy version.
(cherry picked from commit 5e896a26)

(cherry picked from commit c1c27e1d)

(cherry picked from commit 1ae21d47)

(cherry picked from commit e82cac59)

(cherry picked from commit 129cd5c6)

(cherry picked from commit 5581a1ec)

(cherry picked from commit 0d0e440d)

(cherry picked from commit 2275df91)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
(cherry picked from commit 7fa10ce6)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
(cherry picked from commit 98628170)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
(cherry picked from commit 807b0ab6)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
(cherry picked from commit 8855ec28)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Close #3534
(cherry picked from commit 93c4f0f8)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

This completes 24ae7ed5. Even if the
timer is removed from the schedule, there is no warranty that it's not
pending execution, or waiting on our mutex, at the very moment.
So there is a small window of opportunity for the assertion to fail.

This removes the assertion in favor of a safer if(likely()).
(cherry picked from commit b28c3623)