Double free was occuring on some psz_url when copying medias.
Might be caused by a double listing from the sql query.

Some crashes occurs on start when processing the first append loop
at the unlock level.

(see previous commit)

(see prev commit)

methods.

The model/view is broken as the internal PLItem elements are accessed
from outside the model.
We need to change calls to make use of Model Indexes, and then can move
away some methods that belongs to views.

This linear gain works also for outputs with native volume or without
volume. (Obviously though, it does not work for digital pass-through).

also modify MP4_BoxGetNextChunk() so that a initialization
segment which has been put between two chunks is properly handled.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

SmooBox is a very simple MP4 box, VLC specific, used only
for the Smooth Streaming module to send information to the demux.
SmooBox is actually a simplified moov box (we wanted to avoid
the hassle of building a moov box at the stream_filter level).
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

This should solve a few problems on termination.

UPDATE_AUTOCONFIG alone does the job

macosx: CAS: enforce the chosen encapsulation format's file extension for the destination selection panel

Note that the extension isn't magically switched yet when choosing a different encapsulation format after your output destination.

Panel is fully functional now and needs testing.

macosx: CAS: fixed crash on quit and limit the OK button to be enabled only if both an input and an output is set

Note that by default, we will compile for the HOST OS instead of OS X 10.6, which is the way it should be.