Update GStreamer1 ports to 1.12.2.

Rework the adding of dependancies in Mk/bsd.gstreamer.mk.
Previous when using USE_GSTREAMER[1] it would just add the request modules to BUILD/RUN_DEPENDS. This caused the qa script to complain because the old code didn't implicit depend on the gstreamer1 and gstreamer1-plugins[-bad] ports for the libraries they carried, even if they where present via the plugins! The new code adds implicit depends on these ports so USE_GSTREAMER[1] using ports have all the libraries included.

* The mad mp3 plugin was removed, mpg123 plugin also provides mp3 decoding. Switch over ports that used the gstreamer1 mad plugin.
* gtksink plugin renamed -> gtk
* Hook up the sndio plugin into the framework
* Add some indirect dependacies where needed
* Reorder the plugin list in bsd.gstreamer.mk so only one plugin per line. When changing plugins it doesn't result in multiple lines being changed.
* Remove mentions in bsd.gstreamer.mk of plugins mentions that where removed.
* Depend on libunwind on i386/amd64, GStreamer links to it if it is present.

PR:		220753
Exp-run by:	antoine@

1 files changed, 13 insertions, 0 deletions

diff --git a/audio/gstreamer1-plugins-musepack/Makefile b/audio/gstreamer1-plugins-musepack/Makefile
new file mode 100644
index 000000000000..9d40152f2a9b
--- /dev/null
+++ b/audio/gstreamer1-plugins-musepack/Makefile
@@ -0,0 +1,13 @@
+# $FreeBSD$
+
+PORTREVISION=	0
+CATEGORIES=	audio
+
+COMMENT=	Gstreamer musepack mpc encoder/decoder plugin
+
+GST_PLUGIN=	musepack
+DIST=		bad
+
+MASTERDIR=	${.CURDIR}/../../multimedia/gstreamer1-plugins
+
+.include "${MASTERDIR}/Makefile"