And unhibit before quiting

Whether this works depends on the stream and demux behaviour. There may
be a better way to fix this.

It fixes a lot of unlocked access.
It will allows a better clock algo.

Looks like Winsock events operate in a weird and barely adaptable way.
Fixes #2369.

This reverts commit c6ea17a3.
This reverts commit 1a582db1.
This reverts commit 8bda7d72.
This reverts commit acade544.

It allows to decode the core part (standard DTS) of a DTS-HD track.

This release enabled accessibility plugins and should solve the issue for blind people.

Pointed out by Erwan10

Signed-off-by: Rémi Duraffort <ivoire@videolan.org>

This reverts commit 452ceeac.

It break compilation for some users without adding anything.

from fdb990bd.
Spotted by Laurent.

Spotted by Laurent

Noticed by courmish.

A missing 'b' flag in fdopen.