Release referenced input, only use "intf-change" playlist callback.
    When using the "item-change" callback we can't lock the playlist,
    because some callers lock it and some don't.
    Drawback : Prevent UI updates when metadata becomes available for items.

    Fix statistics box display (empty lines not refreshed)

    Check asprintf() return value

macosx: remove the interaction code from intf.m and add a draft for dialog-fatal. The complete implementation will recycle the existing VLCInteraction dialogue code.

and change this function to replace spaces by '_' on windows.
(should fix #2143)

--snapshot-format was proposing png or jpg, but if format passed to this
option was unrecognized, then fallback to png.
This commit fix the fact that vlc was always falling back to png.
Signed-off-by: Antoine Cellerier <dionoea@videolan.org>

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

I would really prefer to remove vlc_poll() from exports in the long
term.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>

Invalid free pointed out by xxcv.

macosx: implement RTP stream selection. Closes #2497, while #2496 is invalid as RTMP streams can easily opened by pasting the respective URL in the 'URL' field...