All ports from an adaptor must have the same format anyway.

We *do* check the image size when parsing the format.

Simplify and avoid running a thread and an interval timer
when there is no video output.

xdg-screensaver takes care of that...
...without the 30 seconds interval timer.

Closes #3006

Closes #805

Note that this won't work on OMAP1 (ARMv<6). However a trivial change
could enable that (the JIT supports ARMv5 too).

Regression from 724461bd

Anyway, Maemo does not support XvMC, and our GLX plugin won't work
either. Also, calling D-Bus from the video output thread was causing
visible latencies in with the former Xlib/Xv plugin.

VLM : Fix a race condition when input event is triggered and vlm_MediaInstanceDelete is called at the same time.
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

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

and for counter scopes

This calls decode_URI, as does the meta.c file. I hope this is correct, feel free to revert if not.
closes #3076

Fix #3085