rtmp: 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-bad/-/merge_requests/2038>

7 files changed, 160 insertions, 76 deletions

diff --git a/ext/rtmp/gstrtmp.c b/ext/rtmp/gstrtmp.c
index 935304d41..4031e768a 100644
--- a/ext/rtmp/gstrtmp.c
+++ b/ext/rtmp/gstrtmp.c
@@ -31,87 +31,15 @@
 
 #include <gst/gst.h>
 
-#include "gstrtmpsrc.h"
-#include "gstrtmpsink.h"
-
-#ifndef GST_DISABLE_GST_DEBUG
-GST_DEBUG_CATEGORY_STATIC (rtmp_debug);
-
-static void
-gst_rtmp_log_callback (int level, const gchar * fmt, va_list vl)
-{
-  GstDebugLevel gst_level;
-
-  switch (level) {
-    case RTMP_LOGCRIT:
-    case RTMP_LOGERROR:
-      gst_level = GST_LEVEL_ERROR;
-      break;
-    case RTMP_LOGWARNING:
-      gst_level = GST_LEVEL_WARNING;
-      break;
-    case RTMP_LOGINFO:
-      gst_level = GST_LEVEL_INFO;
-      break;
-    case RTMP_LOGDEBUG:
-      gst_level = GST_LEVEL_DEBUG;
-      break;
-    case RTMP_LOGDEBUG2:
-      gst_level = GST_LEVEL_LOG;
-      break;
-    default:
-      gst_level = GST_LEVEL_TRACE;
-      break;
-  }
-
-  gst_debug_log_valist (rtmp_debug, gst_level, "", "", 0, NULL, fmt, vl);
-}
-
-static void
-_set_debug_level (void)
-{
-  GstDebugLevel gst_level;
-
-  RTMP_LogSetCallback (gst_rtmp_log_callback);
-  gst_level = gst_debug_category_get_threshold (rtmp_debug);
-
-  switch (gst_level) {
-    case GST_LEVEL_ERROR:
-      RTMP_LogSetLevel (RTMP_LOGERROR);
-      break;
-    case GST_LEVEL_WARNING:
-    case GST_LEVEL_FIXME:
-      RTMP_LogSetLevel (RTMP_LOGWARNING);
-      break;
-    case GST_LEVEL_INFO:
-      RTMP_LogSetLevel (RTMP_LOGINFO);
-      break;
-    case GST_LEVEL_DEBUG:
-      RTMP_LogSetLevel (RTMP_LOGDEBUG);
-      break;
-    case GST_LEVEL_LOG:
-      RTMP_LogSetLevel (RTMP_LOGDEBUG2);
-      break;
-    default:                   /* _TRACE and beyond */
-      RTMP_LogSetLevel (RTMP_LOGALL);
-  }
-}
-#endif
+#include "gstrtmpelements.h"
 
 static gboolean
 plugin_init (GstPlugin * plugin)
 {
-  gboolean ret;
-
-#ifndef GST_DISABLE_GST_DEBUG
-  GST_DEBUG_CATEGORY_INIT (rtmp_debug, "rtmp", 0, "libRTMP logging");
-  _set_debug_level ();
-#endif
+  gboolean ret = FALSE;
 
-  ret = gst_element_register (plugin, "rtmpsrc", GST_RANK_PRIMARY,
-      GST_TYPE_RTMP_SRC);
-  ret &= gst_element_register (plugin, "rtmpsink", GST_RANK_PRIMARY,
-      GST_TYPE_RTMP_SINK);
+  ret |= GST_ELEMENT_REGISTER (rtmpsrc, plugin);
+  ret |= GST_ELEMENT_REGISTER (rtmpsink, plugin);
 
   return ret;
 }
diff --git a/ext/rtmp/gstrtmpelement.c b/ext/rtmp/gstrtmpelement.c
new file mode 100644
index 000000000..486f2d51d
--- /dev/null
+++ b/ext/rtmp/gstrtmpelement.c
@@ -0,0 +1,113 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ *                    2000 Wim Taymans <wtay@chello.be>
+ *                    2002 Kristian Rietveld <kris@gtk.org>
+ *                    2002,2003 Colin Walters <walters@gnu.org>
+ *                    2001,2010 Bastien Nocera <hadess@hadess.net>
+ *                    2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *                    2010 Jan Schmidt <thaytan@noraisin.net>
+ *
+ * rtmpsrc.c:
+ *
+ * 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 "gstrtmpelements.h"
+#include "gstrtmpsrc.h"
+#include "gstrtmpsink.h"
+
+#ifndef GST_DISABLE_GST_DEBUG
+GST_DEBUG_CATEGORY_STATIC (rtmp_debug);
+
+static void
+gst_rtmp_log_callback (int level, const gchar * fmt, va_list vl)
+{
+  GstDebugLevel gst_level;
+
+  switch (level) {
+    case RTMP_LOGCRIT:
+    case RTMP_LOGERROR:
+      gst_level = GST_LEVEL_ERROR;
+      break;
+    case RTMP_LOGWARNING:
+      gst_level = GST_LEVEL_WARNING;
+      break;
+    case RTMP_LOGINFO:
+      gst_level = GST_LEVEL_INFO;
+      break;
+    case RTMP_LOGDEBUG:
+      gst_level = GST_LEVEL_DEBUG;
+      break;
+    case RTMP_LOGDEBUG2:
+      gst_level = GST_LEVEL_LOG;
+      break;
+    default:
+      gst_level = GST_LEVEL_TRACE;
+      break;
+  }
+
+  gst_debug_log_valist (rtmp_debug, gst_level, "", "", 0, NULL, fmt, vl);
+}
+
+static void
+_set_debug_level (void)
+{
+  GstDebugLevel gst_level;
+
+  RTMP_LogSetCallback (gst_rtmp_log_callback);
+  gst_level = gst_debug_category_get_threshold (rtmp_debug);
+
+  switch (gst_level) {
+    case GST_LEVEL_ERROR:
+      RTMP_LogSetLevel (RTMP_LOGERROR);
+      break;
+    case GST_LEVEL_WARNING:
+    case GST_LEVEL_FIXME:
+      RTMP_LogSetLevel (RTMP_LOGWARNING);
+      break;
+    case GST_LEVEL_INFO:
+      RTMP_LogSetLevel (RTMP_LOGINFO);
+      break;
+    case GST_LEVEL_DEBUG:
+      RTMP_LogSetLevel (RTMP_LOGDEBUG);
+      break;
+    case GST_LEVEL_LOG:
+      RTMP_LogSetLevel (RTMP_LOGDEBUG2);
+      break;
+    default:                   /* _TRACE and beyond */
+      RTMP_LogSetLevel (RTMP_LOGALL);
+  }
+}
+#endif
+
+void
+rtmp_element_init (GstPlugin * plugin)
+{
+  static gsize res = FALSE;
+  if (g_once_init_enter (&res)) {
+#ifndef GST_DISABLE_GST_DEBUG
+    GST_DEBUG_CATEGORY_INIT (rtmp_debug, "rtmp", 0, "libRTMP logging");
+    _set_debug_level ();
+#endif
+    g_once_init_leave (&res, TRUE);
+  }
+}
diff --git a/ext/rtmp/gstrtmpelements.h b/ext/rtmp/gstrtmpelements.h
new file mode 100644
index 000000000..bab18e17e
--- /dev/null
+++ b/ext/rtmp/gstrtmpelements.h
@@ -0,0 +1,35 @@
+/* GStreamer
+ * Copyright (C) <2020> Julian Bouzas <julian.bouzas@collabora.com>
+ *
+ * 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_RSVG_H__
+#define __GST_RSVG_H__
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gst/gst.h>
+
+void rtmp_element_init (GstPlugin * plugin);
+
+GST_ELEMENT_REGISTER_DECLARE (rtmpsink);
+GST_ELEMENT_REGISTER_DECLARE (rtmpsrc);
+
+#endif /* __GST_RSVG_H__ */
diff --git a/ext/rtmp/gstrtmpsink.c b/ext/rtmp/gstrtmpsink.c
index aed5ab412..ec640ad04 100644
--- a/ext/rtmp/gstrtmpsink.c
+++ b/ext/rtmp/gstrtmpsink.c
@@ -41,6 +41,7 @@
 
 #include <gst/gst.h>
 
+#include "gstrtmpelements.h"
 #include "gstrtmpsink.h"
 
 #ifdef G_OS_WIN32
@@ -83,6 +84,8 @@ static GstFlowReturn gst_rtmp_sink_render (GstBaseSink * sink, GstBuffer * buf);
 G_DEFINE_TYPE_WITH_CODE (GstRTMPSink, gst_rtmp_sink, GST_TYPE_BASE_SINK,
     G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER,
         gst_rtmp_sink_uri_handler_init));
+GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (rtmpsink, "rtmpsink", GST_RANK_PRIMARY,
+    GST_TYPE_RTMP_SINK, rtmp_element_init (plugin));
 
 /* initialize the plugin's class */
 static void
diff --git a/ext/rtmp/gstrtmpsink.h b/ext/rtmp/gstrtmpsink.h
index b9072f500..daaa3bba7 100644
--- a/ext/rtmp/gstrtmpsink.h
+++ b/ext/rtmp/gstrtmpsink.h
@@ -64,6 +64,7 @@ struct _GstRTMPSinkClass {
 
 GType gst_rtmp_sink_get_type (void);
 
+
 G_END_DECLS
 
 #endif /* __GST_RTMP_SINK_H__ */
diff --git a/ext/rtmp/gstrtmpsrc.c b/ext/rtmp/gstrtmpsrc.c
index 7efe64c63..ca0c61010 100644
--- a/ext/rtmp/gstrtmpsrc.c
+++ b/ext/rtmp/gstrtmpsrc.c
@@ -45,6 +45,7 @@
 
 #include <gst/gst-i18n-plugin.h>
 
+#include "gstrtmpelements.h"
 #include "gstrtmpsrc.h"
 
 #include <stdio.h>
@@ -104,6 +105,8 @@ static gboolean gst_rtmp_src_query (GstBaseSrc * src, GstQuery * query);
 G_DEFINE_TYPE_WITH_CODE (GstRTMPSrc, gst_rtmp_src, GST_TYPE_PUSH_SRC,
     G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER,
         gst_rtmp_src_uri_handler_init));
+GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (rtmpsrc, "rtmpsrc", GST_RANK_PRIMARY,
+    GST_TYPE_RTMP_SRC, rtmp_element_init (plugin));
 
 static void
 gst_rtmp_src_class_init (GstRTMPSrcClass * klass)
diff --git a/ext/rtmp/meson.build b/ext/rtmp/meson.build
index 9bc007784..19fc1fd52 100644
--- a/ext/rtmp/meson.build
+++ b/ext/rtmp/meson.build
@@ -1,5 +1,6 @@
 rtmp_sources = [
   'gstrtmp.c',
+  'gstrtmpelement.c',
   'gstrtmpsink.c',
   'gstrtmpsrc.c',
 ]