Simply resize to sizeHint() on startup.

The only thing it does is re-calculating the sizeHint for MainInterface,
using videoWidget's sizeHint() instead of size().

Sorry I pushed this.

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

There is a logic in this order:
A video item has most of the time an audio track
An item with navigation has most of the time a video item
As you don't want to show empty menus=> audio, then video then navigation.

My error of using FIND_CHILD. Close #1771

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

Conflicts:

Input slave method needs that PCR of master and slave input use the same origin.

Qt: don't save A to B state when the input item changes. Also go to A if before current time is before A

Close #1783 ( rest is 1646 duplicate)

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

Close #1459

This hides all stream features from the Stream/Save dialog (Sout)
This resolves a little bug too: the dialog did not refresh correctly when switching between stream and save.