asfdemux: allow per feature registration

Split plugin into features including
dynamic types which can be indiviually
registered during a static build.

More details here:

https://gitlab.freedesktop.org/gstreamer/gst-build/-/merge_requests/199
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/661

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-ugly/-/merge_requests/79>

gst/asfdemux/gstasf.c

@@ -25,44 +25,24 @@
 #include <gst/riff/riff-read.h>
 #include "gst/gst-i18n-plugin.h"
 
-#include "gstasfdemux.h"
-#include "gstrtspwms.h"
-#include "gstrtpasfdepay.h"
+#include "gstasfelements.h"
+
 
 /* #include "gstasfmux.h" */
 
 static gboolean
 plugin_init (GstPlugin * plugin)
 {
-  GST_DEBUG_CATEGORY_INIT (asfdemux_dbg, "asfdemux", 0, "asf demuxer element");
+  gboolean ret = FALSE;
 
-#ifdef ENABLE_NLS
-  GST_DEBUG ("binding text domain %s to locale dir %s", GETTEXT_PACKAGE,
-      LOCALEDIR);
-  bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
-  bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
-#endif /* ENABLE_NLS */
-
-  gst_riff_init ();
-
-  if (!gst_element_register (plugin, "asfdemux", GST_RANK_SECONDARY,
-          GST_TYPE_ASF_DEMUX)) {
-    return FALSE;
-  }
-  if (!gst_element_register (plugin, "rtspwms", GST_RANK_SECONDARY,
-          GST_TYPE_RTSP_WMS)) {
-    return FALSE;
-  }
-  if (!gst_element_register (plugin, "rtpasfdepay", GST_RANK_MARGINAL,
-          GST_TYPE_RTP_ASF_DEPAY)) {
-    return FALSE;
-  }
+  ret |= GST_ELEMENT_REGISTER (asfdemux, plugin);
+  ret |= GST_ELEMENT_REGISTER (rtspwms, plugin);
+  ret |= GST_ELEMENT_REGISTER (rtpasfdepay, plugin);
 /*
   if (!gst_element_register (plugin, "asfmux", GST_RANK_NONE, GST_TYPE_ASFMUX))
     return FALSE;
 */
-
-  return TRUE;
+  return ret;
 }
 
 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,

gst/asfdemux/gstasfdemux.c

@@ -43,6 +43,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "gstasfelements.h"
 #include "gstasfdemux.h"
 #include "asfheaders.h"
 #include "asfpacket.h"
@@ -117,6 +118,8 @@ static GstFlowReturn gst_asf_demux_push_complete_payloads (GstASFDemux * demux,
 
 #define gst_asf_demux_parent_class parent_class
 G_DEFINE_TYPE (GstASFDemux, gst_asf_demux, GST_TYPE_ELEMENT);
+GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (asfdemux, "asfdemux", GST_RANK_SECONDARY,
+    GST_TYPE_ASF_DEMUX, asf_element_init (plugin));
 
 static void
 gst_asf_demux_class_init (GstASFDemuxClass * klass)

gst/asfdemux/gstasfdemux.h

@@ -40,9 +40,6 @@ G_BEGIN_DECLS
 #define GST_IS_ASF_DEMUX_CLASS(klass) \
   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ASF_DEMUX))
 
-GST_DEBUG_CATEGORY_EXTERN (asfdemux_dbg);
-#define GST_CAT_DEFAULT asfdemux_dbg
-
 typedef struct _GstASFDemux GstASFDemux;
 typedef struct _GstASFDemuxClass GstASFDemuxClass;
 typedef enum _GstASF3DMode GstASF3DMode;

gst/asfdemux/gstasfelement.c

@@ -0,0 +1,52 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include <gst/riff/riff-read.h>
+#include "gst/gst-i18n-plugin.h"
+
+#include "gstasfelements.h"
+
+/* #include "gstasfmux.h" */
+GST_DEBUG_CATEGORY_EXTERN (asfdemux_dbg);
+#define GST_CAT_DEFAULT asfdemux_dbg
+
+void
+asf_element_init (GstPlugin * plugin)
+{
+  static gsize res = FALSE;
+  if (g_once_init_enter (&res)) {
+    GST_DEBUG_CATEGORY_INIT (asfdemux_dbg, "asfdemux", 0,
+        "asf demuxer element");
+
+#ifdef ENABLE_NLS
+    GST_DEBUG ("binding text domain %s to locale dir %s", GETTEXT_PACKAGE,
+        LOCALEDIR);
+    bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
+    bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+#endif /* ENABLE_NLS */
+    gst_riff_init ();
+    g_once_init_leave (&res, TRUE);
+  }
+
+}

gst/asfdemux/gstasfelements.h

@@ -0,0 +1,39 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+
+#ifndef __GST_ASF_ELEMENTS_H__
+#define __GST_ASF_ELEMENTS_H__
+
+
+#include <gst/gst.h>
+#include <gst/video/video.h>
+
+
+G_BEGIN_DECLS
+
+void asf_element_init (GstPlugin * plugin);
+
+GST_ELEMENT_REGISTER_DECLARE (asfdemux);
+GST_ELEMENT_REGISTER_DECLARE (rtspwms);
+GST_ELEMENT_REGISTER_DECLARE (rtpasfdepay);
+
+G_END_DECLS
+
+#endif /* __GST_ASF_ELEMENTS_H__ */

gst/asfdemux/gstrtpasfdepay.c

@@ -22,6 +22,7 @@
 # include "config.h"
 #endif
 
+#include "gstasfelements.h"
 #include "gstrtpasfdepay.h"
 #include <gst/rtp/gstrtpbuffer.h>
 
@@ -53,6 +54,8 @@ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
 
 #define gst_rtp_asf_depay_parent_class parent_class
 G_DEFINE_TYPE (GstRtpAsfDepay, gst_rtp_asf_depay, GST_TYPE_RTP_BASE_DEPAYLOAD);
+GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (rtpasfdepay, "rtpasfdepay",
+    GST_RANK_MARGINAL, GST_TYPE_RTP_ASF_DEPAY, asf_element_init (plugin));
 
 static void gst_rtp_asf_depay_finalize (GObject * object);
 

gst/asfdemux/gstrtspwms.c

@@ -29,6 +29,7 @@
 
 #include <gst/rtsp/gstrtspextension.h>
 
+#include "gstasfelements.h"
 #include "gstrtspwms.h"
 
 GST_DEBUG_CATEGORY_STATIC (rtspwms_debug);
@@ -205,6 +206,8 @@ static void gst_rtsp_wms_extension_init (gpointer g_iface, gpointer iface_data);
 G_DEFINE_TYPE_WITH_CODE (GstRTSPWMS, gst_rtsp_wms, GST_TYPE_ELEMENT,
     G_IMPLEMENT_INTERFACE (GST_TYPE_RTSP_EXTENSION,
         gst_rtsp_wms_extension_init));
+GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (rtspwms, "rtspwms", GST_RANK_SECONDARY,
+    GST_TYPE_RTSP_WMS, asf_element_init (plugin));
 
 static void
 gst_rtsp_wms_class_init (GstRTSPWMSClass * g_class)

gst/asfdemux/meson.build

@@ -1,6 +1,7 @@
 asf_sources = [
   'gstasfdemux.c',
   'gstasf.c',
+  'gstasfelement.c',
   'asfheaders.c',
   'asfpacket.c',
   'gstrtpasfdepay.c',