The code seems to be in a better shape now, and removes duplicates calls.
However: there seems to be a few issues left:
 - If you open the MediaInfo Dialog before an input, it doesn't fill after
 - If you stop, the MediaInfo doesn't clean itself.

First, assume that the core is correct now (not sure)
Then, rename a few functions and simplify the cases.

NOTA BENE, any commit on MediaInfo or Art needs to be reviewed before commiting.
NB2: any function named update() is forbidden in new commits in Qt code, thanks.

This is unfinished work.

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

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

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

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

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

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

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

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

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

Qt: Change the rate scale in order to have 0.96x in the slider in order to help people who want to fix NTSC/PAL issues.

Also remove lots of includes.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

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

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

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

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

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

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

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

Are vlc_object_alive( p_input ) and !p_input->b_dead redundant?
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

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

Code comments, remove useless include, document and rename a few variables.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

No functionnal change.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Make snapshot date convertion thread safe
Signed-off-by: Rémi Denis-Courmont <rdenis@simphalempin.com>

that can be in url without encoding, \ doesnt seem to be one of them)

relates to ticket #2218