Cheery-pick of  [4099d3dd]
Signed-off-by: Christophe Mutricy <xtophe@videolan.org>

62487ef4 removed asademux code but not
all references to it vanished
Signed-off-by: Daniel Mierswa <impulze@impulze.org>
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Closes #4142

Signed-off-by: Rafaël Carré <rafael.carre@gmail.com>

It lacks an icon for now and doesn't have the "unmute" ability.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Use strftime() and localtime_r() instead.

Consistency between Spatializer and Compressor

And translate strings

Modified by jb@videolan.org

This SD is really simple for the moment, It can be improve to ease the
navigation through the different books.

Signed-off-by: Laurent Aimar <fenrir@videolan.org>
Modified by Laurent Aimar (removed the equalizer part of the initial
patch).

By the way, it seems like we should always use NULL rather than "" for
longtext. Not only this avoids the recurrent gettext("") translation
problem, but an empty tool tip makes no sense. There should be no tool
tip at all if there is no text.

stamp-cache is a PHONY target

Both in installed and non-installed mode

This reverts commit b1aa3f58.