Not needed anymore

This reverts commit 5c78dcbe.
Not needed anymore
Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>

This reverts commit 11f64a07.
Not needed anymore
Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>

This reverts commit ebc42905.
Not needed anymore.
Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>

There have been reports about this. Untested

Also add support for the Private Use Area characters and check for
valid ISO 8859 character sets.

Most progressbars are modal tasks.
Interruptible progress dialogs should be modal then.

Frontend features are in an enum, so ifdef does not work.

programs

We assume C99 nowadays.

The decoder pictures needs to be read back for rendering subtiles/OSD so
it's better to always use fast pictures for the decoders.

But as we don't have any module that provides slow pictures and are still
usable for DR...

When direct rendering was enabled, we used the display pool which can be
empty, leading to pictures being skipped.