audio: Move audioaggregator base class to a library

It's useful enough already to be used in other elements for audio aggregation,
let's give people the opportunity to use it and give it some API testing.

https://bugzilla.gnome.org/show_bug.cgi?id=760733

configure.ac

@@ -3570,6 +3570,7 @@ gst-libs/gst/wayland/Makefile
 gst-libs/gst/base/Makefile
 gst-libs/gst/player/Makefile
 gst-libs/gst/video/Makefile
+gst-libs/gst/audio/Makefile
 sys/Makefile
 sys/dshowdecwrapper/Makefile
 sys/acmenc/Makefile
@@ -3723,6 +3724,8 @@ pkgconfig/gstreamer-bad-base.pc
 pkgconfig/gstreamer-bad-base-uninstalled.pc
 pkgconfig/gstreamer-bad-video.pc
 pkgconfig/gstreamer-bad-video-uninstalled.pc
+pkgconfig/gstreamer-bad-audio.pc
+pkgconfig/gstreamer-bad-audio-uninstalled.pc
 tools/Makefile
 m4/Makefile
 )

gst-libs/gst/Makefile.am

@@ -11,14 +11,14 @@ WAYLAND_DIR=wayland
 endif
 
 SUBDIRS = uridownloader adaptivedemux interfaces basecamerabinsrc codecparsers \
-	 insertbin mpegts base video player $(GL_DIR) $(WAYLAND_DIR)
+	 insertbin mpegts base video audio player $(GL_DIR) $(WAYLAND_DIR)
 
 noinst_HEADERS = gst-i18n-plugin.h gettext.h glib-compat-private.h
 DIST_SUBDIRS = uridownloader adaptivedemux interfaces gl basecamerabinsrc \
-	codecparsers insertbin mpegts wayland base video player
+	codecparsers insertbin mpegts wayland base video audio player
 
 #dependencies
-video: base
+video, audio: base
 
 adaptivedemux: uridownloader
 

gst-libs/gst/audio/Makefile.am

@@ -0,0 +1,26 @@
+# variables used for enum generation
+lib_LTLIBRARIES = libgstbadaudio-@GST_API_VERSION@.la
+
+CLEANFILES =
+
+libgstbadaudio_@GST_API_VERSION@_la_SOURCES = \
+	gstaudioaggregator.c
+
+nodist_libgstbadaudio_@GST_API_VERSION@_la_SOURCES = $(BUILT_SOURCES)
+
+libgstbadaudio_@GST_API_VERSION@_la_CFLAGS = \
+	-DGST_USE_UNSTABLE_API \
+	-I$(top_srcdir)/gst-libs \
+	-I$(top_builddir)/gst-libs \
+	$(GST_CFLAGS) $(ORC_CFLAGS) \
+	$(GST_PLUGINS_BASE_CFLAGS) \
+	$(GST_BASE_CFLAGS)
+
+libgstbadaudio_@GST_API_VERSION@_la_LIBADD = \
+	$(top_builddir)/gst-libs/gst/base/libgstbadbase-$(GST_API_VERSION).la \
+	$(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_API_VERSION) \
+	$(GST_BASE_LIBS) $(GST_LIBS) $(ORC_LIBS) $(LIBM)
+
+libgstbadaudio_@GST_API_VERSION@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) $(GST_LT_LDFLAGS)
+
+noinst_HEADERS = gstaudioaggregator.h

gst/audiomixer/Makefile.am

@@ -4,7 +4,7 @@ ORC_SOURCE=gstaudiomixerorc
 include $(top_srcdir)/common/orc.mak
 
 
-libgstaudiomixer_la_SOURCES = gstaudiomixer.c gstaudioaggregator.c gstaudiointerleave.c
+libgstaudiomixer_la_SOURCES = gstaudiomixer.c gstaudiointerleave.c
 nodist_libgstaudiomixer_la_SOURCES = $(ORC_NODIST_SOURCES)
 libgstaudiomixer_la_CFLAGS = \
 	-I$(top_srcdir)/gst-libs \
@@ -14,9 +14,10 @@ libgstaudiomixer_la_CFLAGS = \
 libgstaudiomixer_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
 libgstaudiomixer_la_LIBADD =  \
 		$(top_builddir)/gst-libs/gst/base/libgstbadbase-$(GST_API_VERSION).la \
+		$(top_builddir)/gst-libs/gst/audio/libgstbadaudio-$(GST_API_VERSION).la \
 		$(GST_PLUGINS_BASE_LIBS) -lgstaudio-@GST_API_VERSION@ \
 		$(GST_BASE_LIBS) $(GST_LIBS) $(ORC_LIBS)
 libgstaudiomixer_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)
 
-noinst_HEADERS = gstaudiomixer.h gstaudioaggregator.h gstaudiointerleave.h
+noinst_HEADERS = gstaudiomixer.h gstaudiointerleave.h
 

gst/audiomixer/gstaudiointerleave.h

@@ -27,7 +27,7 @@
 #include <gst/gst.h>
 #include <gst/audio/audio.h>
 
-#include "gstaudioaggregator.h"
+#include <gst/audio/gstaudioaggregator.h>
 
 G_BEGIN_DECLS
 

gst/audiomixer/gstaudiomixer.h

@@ -26,7 +26,7 @@
 
 #include <gst/gst.h>
 #include <gst/audio/audio.h>
-#include "gstaudioaggregator.h"
+#include <gst/audio/gstaudioaggregator.h>
 
 G_BEGIN_DECLS
 

pkgconfig/gstreamer-bad-audio-uninstalled.pc.in

@@ -0,0 +1,15 @@
+prefix=
+exec_prefix=
+libdir=${pcfiledir}/../gst-libs/gst/audio
+includedir=${pcfiledir}/../gst-libs
+pluginsdir=${pcfiledir}/..
+
+Name: GStreamer bad audio library, uninstalled
+Description: Bad audio library for GStreamer, Not Installed
+Version: @VERSION@
+Requires: gstreamer-@GST_API_VERSION@
+
+Libs: -L${libdir} ${libdir}/libgstbadaudio-@GST_API_VERSION@.la @BADBASE_LIBS@
+Cflags: -I${includedir} -I@srcdir@/.. @BADBASE_CFLAGS@
+
+libraries=badaudio

pkgconfig/gstreamer-bad-audio.pc.in

@@ -0,0 +1,15 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@/gstreamer-@GST_API_VERSION@
+pluginsdir=@libdir@/gstreamer-@GST_API_VERSION@
+
+Name: GStreamer bad audio library, uninstalled
+Description: Bad audio library for GStreamer elements, Not Installed
+Version: @VERSION@
+Requires: gstreamer-@GST_API_VERSION@
+
+Libs: -L${libdir} ${libdir}/libgstbadaudio-@GST_API_VERSION@.la @BADBASE_LIBS@
+Cflags: -I${includedir} -I@srcdir@/.. @BADBASE_CFLAGS@
+
+libraries=badaudio