opusparse: add opusparse element

A very simple element that parses Opus streams from the ad hoc
framing used by the Opus test vectors.

ext/opus/Makefile.am

@@ -1,6 +1,6 @@
 plugin_LTLIBRARIES = libgstopus.la
 
-libgstopus_la_SOURCES = gstopus.c gstopusdec.c gstopusenc.c
+libgstopus_la_SOURCES = gstopus.c gstopusdec.c gstopusenc.c gstopusparse.c
 libgstopus_la_CFLAGS = \
         -DGST_USE_UNSTABLE_API \
 	$(GST_PLUGINS_BASE_CFLAGS) \
@@ -15,4 +15,4 @@ libgstopus_la_LIBADD = \
 libgstopus_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(LIBM)
 libgstopus_la_LIBTOOLFLAGS = --tag=disable-static
 
-noinst_HEADERS = gstopusenc.h gstopusdec.h 
+noinst_HEADERS = gstopusenc.h gstopusdec.h gstopusparse.h

ext/opus/gstopus.c

@@ -23,6 +23,7 @@
 
 #include "gstopusdec.h"
 #include "gstopusenc.h"
+#include "gstopusparse.h"
 
 #include <gst/tag/tag.h>
 
@@ -38,6 +39,10 @@ plugin_init (GstPlugin * plugin)
           GST_TYPE_OPUS_DEC))
     return FALSE;
 
+  if (!gst_element_register (plugin, "opusparse", GST_RANK_NONE,
+          GST_TYPE_OPUS_PARSE))
+    return FALSE;
+
   gst_tag_register_musicbrainz_tags ();
 
   return TRUE;