The spin_lock wrappers do not use the return value of the functions they
wrap, resulting in dozens of compiler warnings because they are inline
functions. There is no elegant solution to this, I hope using (void)val;
is the least shocking alternative.

set qpmin/qpmax even without qp set.
more constant on x264 parameters handling.

Fix "Remove security-policy UI" [2db278fa] commit that made overlapping.

(Don't expect this to work yet though)

protocol, so don't try to use atoi() there.

LoadLibrary can either point to LoadLibraryA or LoadLibraryW depending
on the system and build options, so let's use LoadLibrary everywhere
for consistency. Also, wrap static argument strings with _T() so that
they're automatically in the right format.

Thanks to Alin Rad Pop, Secunia Research.
Ported from libxine.

In some cases (eg. when building binary packages) one only needs libvlc
and libvlc-control and does not wish to build or install VLC binaries.
This --disable-vlc flag saves us from manually removing the unwanted
binaries after "make install".

auhal: Fix kAudioDevicePropertyDeviceIsAlive check (vlc_bool_t size has changed and doesn't match anymore the needed param size for kAudioDevicePropertyDeviceIsAlive).

Revert "Fix compilation, by "fixing" VLC_PUBLIC_API." as the compilation breakage on Qt4 was obviously a typo in 461e426f.

This reverts commit 82d39c38.

Revert "VLC_PUBLIC_API needs extern "C" on windows/c++ too."

This reverts commit 4af174fc.

Revert "Mark VLC_PUBLIC_API as extern "C" when using C++."

This reverts commit 879e3eb2.

Don't publish the default object destructor. (VLC_PUBLIC_API is broken)

control/media_instance.c: Fix libvlc_media_instance_new_from_input_thread() now that input refcounting is fixed.

Patch contributed by dkl0

vlm: Don't automatically detach in vlm_Delete if not needed, this will be done at destroy time if needed (This should fix some rare bug).