multifile: 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-good/-/merge_requests/876>

gst/multifile/gstimagesequencesrc.c

@@ -229,6 +229,8 @@ gst_image_sequence_src_uri_handler_init (gpointer g_iface, gpointer iface_data)
       0, "imagesequencesrc element");
 G_DEFINE_TYPE_WITH_CODE (GstImageSequenceSrc, gst_image_sequence_src,
     GST_TYPE_PUSH_SRC, _do_init);
+GST_ELEMENT_REGISTER_DEFINE (imagesequencesrc, "imagesequencesrc",
+    GST_RANK_NONE, gst_image_sequence_src_get_type ());
 
 static gboolean
 is_seekable (GstBaseSrc * src)

gst/multifile/gstimagesequencesrc.h

@@ -49,6 +49,7 @@ struct _GstImageSequenceSrc
   gint fps_n, fps_d;
 };
 
+GST_ELEMENT_REGISTER_DECLARE (imagesequencesrc);
 
 G_END_DECLS
 

gst/multifile/gstmultifile.c

@@ -34,26 +34,19 @@
 #include "gstsplitmuxsink.h"
 #include "gstsplitmuxsrc.h"
 #include "gstimagesequencesrc.h"
-
 static gboolean
 plugin_init (GstPlugin * plugin)
 {
-  gst_element_register (plugin, "multifilesrc", GST_RANK_NONE,
+  gboolean ret = FALSE;
-      gst_multi_file_src_get_type ());
-  gst_element_register (plugin, "multifilesink", GST_RANK_NONE,
-      gst_multi_file_sink_get_type ());
-  gst_element_register (plugin, "splitfilesrc", GST_RANK_NONE,
-      gst_split_file_src_get_type ());
-  gst_element_register (plugin, "imagesequencesrc", GST_RANK_NONE,
-      gst_image_sequence_src_get_type ());
 
-  if (!register_splitmuxsink (plugin))
+  ret |= GST_ELEMENT_REGISTER (multifilesrc, plugin);
-    return FALSE;
+  ret |= GST_ELEMENT_REGISTER (multifilesink, plugin);
+  ret |= GST_ELEMENT_REGISTER (splitfilesrc, plugin);
+  ret |= GST_ELEMENT_REGISTER (imagesequencesrc, plugin);
+  ret |= GST_ELEMENT_REGISTER (splitmuxsink, plugin);
+  ret |= GST_ELEMENT_REGISTER (splitmuxsrc, plugin);
 
-  if (!register_splitmuxsrc (plugin))
+  return ret;
-    return FALSE;
-
-  return TRUE;
 }
 
 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,

gst/multifile/gstmultifilesink.c

@@ -160,6 +160,8 @@ gst_multi_file_sink_next_get_type (void)
 
 #define gst_multi_file_sink_parent_class parent_class
 G_DEFINE_TYPE (GstMultiFileSink, gst_multi_file_sink, GST_TYPE_BASE_SINK);
+GST_ELEMENT_REGISTER_DEFINE (multifilesink, "multifilesink", GST_RANK_NONE,
+    gst_multi_file_sink_get_type ());
 
 static void
 gst_multi_file_sink_class_init (GstMultiFileSinkClass * klass)

gst/multifile/gstmultifilesink.h

@@ -113,6 +113,8 @@ struct _GstMultiFileSinkClass
 
 GType gst_multi_file_sink_get_type (void);
 
+GST_ELEMENT_REGISTER_DECLARE (multifilesink);
+
 G_END_DECLS
 
 #endif /* __GST_MULTIFILESINK_H__ */

gst/multifile/gstmultifilesrc.c

@@ -90,7 +90,8 @@ enum
 G_DEFINE_TYPE_WITH_CODE (GstMultiFileSrc, gst_multi_file_src, GST_TYPE_PUSH_SRC,
     G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER,
         gst_multi_file_src_uri_handler_init));
-
+GST_ELEMENT_REGISTER_DEFINE (multifilesrc, "multifilesrc", GST_RANK_NONE,
+    gst_multi_file_src_get_type ());
 
 static gboolean
 is_seekable (GstBaseSrc * src)

gst/multifile/gstmultifilesrc.h

@@ -67,6 +67,8 @@ struct _GstMultiFileSrcClass
 
 GType gst_multi_file_src_get_type (void);
 
+GST_ELEMENT_REGISTER_DECLARE (multifilesrc);
+
 G_END_DECLS
 
 #endif /* __GST_MULTIFILESRC_H__ */

gst/multifile/gstsplitfilesrc.c

@@ -85,6 +85,8 @@ GST_DEBUG_CATEGORY_STATIC (splitfilesrc_debug);
 G_DEFINE_TYPE_WITH_CODE (GstSplitFileSrc, gst_split_file_src, GST_TYPE_BASE_SRC,
     G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER,
         gst_split_file_src_uri_handler_init));
+GST_ELEMENT_REGISTER_DEFINE (splitfilesrc, "splitfilesrc", GST_RANK_NONE,
+    gst_split_file_src_get_type ());
 
 #ifdef G_OS_WIN32
 #define WIN32_BLURB " Location string must be in UTF-8 encoding (on Windows)."

gst/multifile/gstsplitfilesrc.h

@@ -69,6 +69,8 @@ struct _GstSplitFileSrcClass
 
 GType gst_split_file_src_get_type (void);
 
+GST_ELEMENT_REGISTER_DECLARE (splitfilesrc);
+
 G_END_DECLS
 
 #endif /* __GST_SPLIT_FILE_SRC_H__ */

gst/multifile/gstsplitmuxsink.c

@@ -206,11 +206,15 @@ _do_init (void)
   PAD_CONTEXT = g_quark_from_static_string ("pad-context");
   EOS_FROM_US = g_quark_from_static_string ("eos-from-us");
   RUNNING_TIME = g_quark_from_static_string ("running-time");
+  GST_DEBUG_CATEGORY_INIT (splitmux_debug, "splitmuxsink", 0,
+      "Split File Muxing Sink");
 }
 
 #define gst_splitmux_sink_parent_class parent_class
 G_DEFINE_TYPE_EXTENDED (GstSplitMuxSink, gst_splitmux_sink, GST_TYPE_BIN, 0,
     _do_init ());
+GST_ELEMENT_REGISTER_DEFINE (splitmuxsink, "splitmuxsink", GST_RANK_NONE,
+    GST_TYPE_SPLITMUX_SINK);
 
 static gboolean create_muxer (GstSplitMuxSink * splitmux);
 static gboolean create_sink (GstSplitMuxSink * splitmux);
@@ -3688,16 +3692,6 @@ beach:
   return ret;
 }
 
-gboolean
-register_splitmuxsink (GstPlugin * plugin)
-{
-  GST_DEBUG_CATEGORY_INIT (splitmux_debug, "splitmuxsink", 0,
-      "Split File Muxing Sink");
-
-  return gst_element_register (plugin, "splitmuxsink", GST_RANK_NONE,
-      GST_TYPE_SPLITMUX_SINK);
-}
-
 static void
 gst_splitmux_sink_ensure_max_files (GstSplitMuxSink * splitmux)
 {

gst/multifile/gstsplitmuxsink.h

@@ -34,7 +34,6 @@ typedef struct _GstSplitMuxSink GstSplitMuxSink;
 typedef struct _GstSplitMuxSinkClass GstSplitMuxSinkClass;
 
 GType gst_splitmux_sink_get_type (void);
-gboolean register_splitmuxsink (GstPlugin * plugin);
 
 typedef enum _SplitMuxInputState
 {
@@ -220,5 +219,7 @@ struct _GstSplitMuxSinkClass
   void     (*split_at_running_time)   (GstSplitMuxSink * splitmux, GstClockTime split_time);
 };
 
+GST_ELEMENT_REGISTER_DECLARE (splitmuxsink);
+
 G_END_DECLS
 #endif /* __GST_SPLITMUXSINK_H__ */

gst/multifile/gstsplitmuxsrc.c

@@ -125,11 +125,14 @@ static gboolean gst_splitmux_src_activate_part (GstSplitMuxSrc * splitmux,
     guint part, GstSeekFlags extra_flags);
 
 #define _do_init \
-    G_IMPLEMENT_INTERFACE(GST_TYPE_URI_HANDLER, splitmux_src_uri_handler_init);
+    G_IMPLEMENT_INTERFACE(GST_TYPE_URI_HANDLER, splitmux_src_uri_handler_init); \
+    GST_DEBUG_CATEGORY_INIT (splitmux_debug, "splitmuxsrc", 0, "Split File Demuxing Source");
 #define gst_splitmux_src_parent_class parent_class
 
 G_DEFINE_TYPE_EXTENDED (GstSplitMuxSrc, gst_splitmux_src, GST_TYPE_BIN, 0,
     _do_init);
+GST_ELEMENT_REGISTER_DEFINE (splitmuxsrc, "splitmuxsrc", GST_RANK_NONE,
+    GST_TYPE_SPLITMUX_SRC);
 
 static GstURIType
 splitmux_src_uri_get_type (GType type)
@@ -1539,14 +1542,3 @@ splitmux_src_pad_query (GstPad * pad, GstObject * parent, GstQuery * query)
   }
   return ret;
 }
-
-
-gboolean
-register_splitmuxsrc (GstPlugin * plugin)
-{
-  GST_DEBUG_CATEGORY_INIT (splitmux_debug, "splitmuxsrc", 0,
-      "Split File Demuxing Source");
-
-  return gst_element_register (plugin, "splitmuxsrc", GST_RANK_NONE,
-      GST_TYPE_SPLITMUX_SRC);
-}

gst/multifile/gstsplitmuxsrc.h

@@ -104,7 +104,6 @@ struct _SplitMuxSrcPadClass
 };
 
 GType gst_splitmux_src_get_type (void);
-gboolean register_splitmuxsrc (GstPlugin * plugin);
 
 #define SPLITMUX_SRC_LOCK(s) g_mutex_lock(&(s)->lock)
 #define SPLITMUX_SRC_UNLOCK(s) g_mutex_unlock(&(s)->lock)
@@ -117,6 +116,8 @@ gboolean register_splitmuxsrc (GstPlugin * plugin);
 #define SPLITMUX_SRC_PADS_RLOCK(s) g_rw_lock_reader_lock(&(s)->pads_rwlock)
 #define SPLITMUX_SRC_PADS_RUNLOCK(s) g_rw_lock_reader_unlock(&(s)->pads_rwlock)
 
+GST_ELEMENT_REGISTER_DECLARE (splitmuxsrc);
+
 G_END_DECLS
 
 #endif /* __GST_SPLITMUX_SRC_H__ */