freeverb: add a freeverb port

Freeverb is a public domain reverb implementation. Port it as a gstreamer
element and make use of gstreamer specific features (gap aware, disconts,
controller, ...).
diff --git a/gst/freeverb/Makefile.am b/gst/freeverb/Makefile.am
new file mode 100644
index 0000000..73706a2
--- /dev/null
+++ b/gst/freeverb/Makefile.am
@@ -0,0 +1,28 @@
+plugin_LTLIBRARIES = libgstfreeverb.la
+
+# sources used to compile this plug-in
+libgstfreeverb_la_SOURCES = gstfreeverb.c
+
+# flags used to compile this plugin
+# add other _CFLAGS and _LIBS as needed
+libgstfreeverb_la_CFLAGS = $(GST_CFLAGS) $(GST_CONTROLLER_CFLAGS) 
+libgstfreeverb_la_LIBADD = $(GST_BASE_LIBS) $(GST_CONTROLLER_LIBS) $(GST_LIBS)
+libgstfreeverb_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+libgstfreeverb_la_LIBTOOLFLAGS = --tag=disable-static
+
+# headers we need but don't want installed
+noinst_HEADERS = gstfreeverb.h
+
+Android.mk: Makefile.am $(BUILT_SOURCES)
+	androgenizer \
+	-:PROJECT libgstfreeverb -:SHARED libgstfreeverb \
+	 -:TAGS eng debug \
+         -:REL_TOP $(top_srcdir) -:ABS_TOP $(abs_top_srcdir) \
+	 -:SOURCES $(libgstfreeverb_la_SOURCES) \
+	 -:CFLAGS $(DEFS) $(DEFAULT_INCLUDES) $(libgstfreeverb_la_CFLAGS) \
+	 -:LDFLAGS $(libgstfreeverb_la_LDFLAGS) \
+	           $(libgstfreeverb_la_LIBADD) \
+	           -ldl \
+	 -:PASSTHROUGH LOCAL_ARM_MODE:=arm \
+		       LOCAL_MODULE_PATH:='$$(TARGET_OUT)/lib/gstreamer-0.10' \
+	> $@