osxaudio: add individual elements registration for gst-full compatibility

Found that osxaudiosink could not be added standalone in gst-full build
using
-Dgst-full-elements=osxaudio:osxaudiosink because element registration
was
done at the plugin level. Now src/sink elements and deviceprovider have
their
individual registration.

Copied/adapted from the alsa plugin.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5419>

subprojects/gst-plugins-good/sys/osxaudio/gstosxaudio.c

@@ -37,21 +37,15 @@
 static gboolean
 plugin_init (GstPlugin * plugin)
 {
-  if (!gst_element_register (plugin, "osxaudiosink", GST_RANK_PRIMARY,
-          GST_TYPE_OSX_AUDIO_SINK)) {
-    return FALSE;
-  }
-  if (!gst_element_register (plugin, "osxaudiosrc", GST_RANK_PRIMARY,
-          GST_TYPE_OSX_AUDIO_SRC)) {
-    return FALSE;
-  }
+  gboolean ret = FALSE;
+
+  ret |= GST_ELEMENT_REGISTER (osxaudiosrc, plugin);
+  ret |= GST_ELEMENT_REGISTER (osxaudiosink, plugin);
 #ifndef HAVE_IOS
-  if (!gst_device_provider_register (plugin, "osxaudiodeviceprovider",
-          GST_RANK_PRIMARY, GST_TYPE_OSX_AUDIO_DEVICE_PROVIDER))
-    return FALSE;
+  ret |= GST_DEVICE_PROVIDER_REGISTER (osxaudiodeviceprovider, plugin);
 #endif
 
-  return TRUE;
+  return ret;
 }
 
 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,

subprojects/gst-plugins-good/sys/osxaudio/gstosxaudiodeviceprovider.c

@@ -51,6 +51,9 @@ static GstOsxAudioDevice *gst_osx_audio_device_new (AudioDeviceID device_id,
 
 G_DEFINE_TYPE (GstOsxAudioDeviceProvider, gst_osx_audio_device_provider,
     GST_TYPE_DEVICE_PROVIDER);
+GST_DEVICE_PROVIDER_REGISTER_DEFINE (osxaudiodeviceprovider,
+    "osxaudiodeviceprovider", GST_RANK_PRIMARY,
+    GST_TYPE_OSX_AUDIO_DEVICE_PROVIDER);
 
 static GList *gst_osx_audio_device_provider_probe (GstDeviceProvider *
     provider);

subprojects/gst-plugins-good/sys/osxaudio/gstosxaudiodeviceprovider.h

@@ -87,5 +87,7 @@ struct _GstOsxAudioDeviceClass
 
 GType gst_osx_audio_device_get_type (void);
 
+GST_DEVICE_PROVIDER_REGISTER_DECLARE(osxaudiodeviceprovider);
+
 G_END_DECLS
 #endif /* __GST_OSX_AUDIO_DEIVCE_PROVIDER_H__ */

subprojects/gst-plugins-good/sys/osxaudio/gstosxaudiosink.c

@@ -148,6 +148,8 @@ gst_osx_audio_sink_do_init (GType type)
 #define gst_osx_audio_sink_parent_class parent_class
 G_DEFINE_TYPE_WITH_CODE (GstOsxAudioSink, gst_osx_audio_sink,
     GST_TYPE_AUDIO_BASE_SINK, gst_osx_audio_sink_do_init (g_define_type_id));
+GST_ELEMENT_REGISTER_DEFINE (osxaudiosink, "osxaudiosink", GST_RANK_PRIMARY,
+    GST_TYPE_OSX_AUDIO_SINK);
 
 static void
 gst_osx_audio_sink_class_init (GstOsxAudioSinkClass * klass)

subprojects/gst-plugins-good/sys/osxaudio/gstosxaudiosink.h

@@ -96,6 +96,8 @@ struct _GstOsxAudioSinkClass
 
 GType gst_osx_audio_sink_get_type (void);
 
+GST_ELEMENT_REGISTER_DECLARE (osxaudiosink);
+
 G_END_DECLS
 
 #endif /* __GST_OSXAUDIOSINK_H__ */

subprojects/gst-plugins-good/sys/osxaudio/gstosxaudiosrc.c

@@ -123,6 +123,8 @@ gst_osx_audio_src_do_init (GType type)
 #define gst_osx_audio_src_parent_class parent_class
 G_DEFINE_TYPE_WITH_CODE (GstOsxAudioSrc, gst_osx_audio_src,
     GST_TYPE_AUDIO_BASE_SRC, gst_osx_audio_src_do_init (g_define_type_id));
+GST_ELEMENT_REGISTER_DEFINE (osxaudiosrc, "osxaudiosrc", GST_RANK_PRIMARY,
+    GST_TYPE_OSX_AUDIO_SRC);
 
 static void
 gst_osx_audio_src_class_init (GstOsxAudioSrcClass * klass)

subprojects/gst-plugins-good/sys/osxaudio/gstosxaudiosrc.h

@@ -82,6 +82,8 @@ struct _GstOsxAudioSrcClass
 
 GType gst_osx_audio_src_get_type (void);
 
+GST_ELEMENT_REGISTER_DECLARE (osxaudiosrc);
+
 G_END_DECLS
 
 #endif /* __GST_OSXAUDIOSRC_H__ */