This is fixes compilation issues in the not so far future

This supports conversion from NV12/21/16/24 to I420/YV12/I422/I444.

This avoids hitting swscale for the NV12->I420 conversion, for hw
decoders that return NV12/21 in combination with the android vout
in YUV mode.
Signed-off-by: Martin Storsjö <martin@martin.st>

Close #9502

(as with play-and-stop)

This was not needed (but it prevented the preferences from taking effects
until VLC was restarted).

Close #3932
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

src: fix crashes on proxy lookups by deleting the Mac specific and using the iOS code which works just fine on 10.6+ (close #9561)

Close #9565

Close #9592

Compile before you commit...

It does not make sense to open the messages window here anymore, as
it will not show any additional details if not already open.

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

The former check wasn't enough since a language that isn't in the table
has a -1 index.

Fix #9531