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

Fix typo ssc -> scc (ssc was never ISO 639-2 definition for
Serbo-Croatian language, or any other language for that matter).

Unfortunately, some providers are still using this deprecated ISO
codes (scc/scr) to mark serbian/croatian teletext/cc content.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Close #8595
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

It will fail in any way.

Those Windows functions bring no benefit and are forbidden in Windows Store apps

We should still default to multimedia clock instead of performance

Close #8529