Test for the right thing before tring to do anything.
Check malloc return value (fix potential segfault).

Fix #1704

playlist: Don't export playlist_ItemNewFromInput as it is not used, and don't use pl_Yield from here.

Regression if I recall well.

This might requires some other adjustements.

of teletext buttons every time there was a subtitle track.

interface.
(This variable will contain the id of spu-es that is teletext or -1 if
not present)

macosx: Fix the info panel. Remove the use of maybe-freed-ptr. Make it display currently selected item.

macosx: Make sure makeKeyAndOrderFront doesn't hide and then display the window if it was visible and not faded.

Should fix the input item leak error when quitting VLC.