gst/: Re-add gst_element_class_install_std_props, move to gstutils.h.

Original commit message from CVS:
* gst/gstelement.h:
* gst/gstutils.c: (gst_element_populate_std_props),
(gst_element_class_install_std_props):
* gst/gstutils.h:
Re-add gst_element_class_install_std_props, move to gstutils.h.

ChangeLog

@@ -1,3 +1,11 @@
+2005-02-01  Ronald S. Bultje  <rbultje@ronald.bitfreak.net>
+
+	* gst/gstelement.h:
+	* gst/gstutils.c: (gst_element_populate_std_props),
+	(gst_element_class_install_std_props):
+	* gst/gstutils.h:
+	  Re-add gst_element_class_install_std_props, move to gstutils.h.
+
 2005-01-26  Wim Taymans  <wim@fluendo.com>
 
 	* gst/elements/gstidentity.c: (gst_identity_init),

gst/gstelement.h

@@ -273,8 +273,6 @@ struct _GstElementClass
 /* class stuff */
 void gst_element_class_add_pad_template (GstElementClass * klass,
     GstPadTemplate * templ);
-void gst_element_class_install_std_props (GstElementClass * klass,
-    const gchar * first_name, ...);
 void gst_element_class_set_details (GstElementClass * klass,
     const GstElementDetails * details);
 GstPadTemplate *gst_element_class_get_pad_template (GstElementClass *

gst/gstutils.c

@@ -1416,3 +1416,122 @@ gst_bin_remove_many (GstBin * bin, GstElement * element_1, ...)
 
   va_end (args);
 }
+
+static void
+gst_element_populate_std_props (GObjectClass * klass, const gchar * prop_name,
+    guint arg_id, GParamFlags flags)
+{
+  GQuark prop_id = g_quark_from_string (prop_name);
+  GParamSpec *pspec;
+
+  static GQuark fd_id = 0;
+  static GQuark blocksize_id;
+  static GQuark bytesperread_id;
+  static GQuark dump_id;
+  static GQuark filesize_id;
+  static GQuark mmapsize_id;
+  static GQuark location_id;
+  static GQuark offset_id;
+  static GQuark silent_id;
+  static GQuark touch_id;
+
+  if (!fd_id) {
+    fd_id = g_quark_from_static_string ("fd");
+    blocksize_id = g_quark_from_static_string ("blocksize");
+    bytesperread_id = g_quark_from_static_string ("bytesperread");
+    dump_id = g_quark_from_static_string ("dump");
+    filesize_id = g_quark_from_static_string ("filesize");
+    mmapsize_id = g_quark_from_static_string ("mmapsize");
+    location_id = g_quark_from_static_string ("location");
+    offset_id = g_quark_from_static_string ("offset");
+    silent_id = g_quark_from_static_string ("silent");
+    touch_id = g_quark_from_static_string ("touch");
+  }
+
+  if (prop_id == fd_id) {
+    pspec = g_param_spec_int ("fd", "File-descriptor",
+        "File-descriptor for the file being read", 0, G_MAXINT, 0, flags);
+  } else if (prop_id == blocksize_id) {
+    pspec = g_param_spec_ulong ("blocksize", "Block Size",
+        "Block size to read per buffer", 0, G_MAXULONG, 4096, flags);
+
+  } else if (prop_id == bytesperread_id) {
+    pspec = g_param_spec_int ("bytesperread", "Bytes per read",
+        "Number of bytes to read per buffer", G_MININT, G_MAXINT, 0, flags);
+
+  } else if (prop_id == dump_id) {
+    pspec = g_param_spec_boolean ("dump", "Dump",
+        "Dump bytes to stdout", FALSE, flags);
+
+  } else if (prop_id == filesize_id) {
+    pspec = g_param_spec_int64 ("filesize", "File Size",
+        "Size of the file being read", 0, G_MAXINT64, 0, flags);
+
+  } else if (prop_id == mmapsize_id) {
+    pspec = g_param_spec_ulong ("mmapsize", "mmap() Block Size",
+        "Size in bytes of mmap()d regions", 0, G_MAXULONG, 4 * 1048576, flags);
+
+  } else if (prop_id == location_id) {
+    pspec = g_param_spec_string ("location", "File Location",
+        "Location of the file to read", NULL, flags);
+
+  } else if (prop_id == offset_id) {
+    pspec = g_param_spec_int64 ("offset", "File Offset",
+        "Byte offset of current read pointer", 0, G_MAXINT64, 0, flags);
+
+  } else if (prop_id == silent_id) {
+    pspec = g_param_spec_boolean ("silent", "Silent", "Don't produce events",
+        FALSE, flags);
+
+  } else if (prop_id == touch_id) {
+    pspec = g_param_spec_boolean ("touch", "Touch read data",
+        "Touch data to force disk read before " "push ()", TRUE, flags);
+  } else {
+    g_warning ("Unknown - 'standard' property '%s' id %d from klass %s",
+        prop_name, arg_id, g_type_name (G_OBJECT_CLASS_TYPE (klass)));
+    pspec = NULL;
+  }
+
+  if (pspec) {
+    g_object_class_install_property (klass, arg_id, pspec);
+  }
+}
+
+/**
+ * gst_element_class_install_std_props:
+ * @klass: the #GstElementClass to add the properties to.
+ * @first_name: the name of the first property.
+ * in a NULL terminated
+ * @...: the id and flags of the first property, followed by
+ * further 'name', 'id', 'flags' triplets and terminated by NULL.
+ *
+ * Adds a list of standardized properties with types to the @klass.
+ * the id is for the property switch in your get_prop method, and
+ * the flags determine readability / writeability.
+ **/
+void
+gst_element_class_install_std_props (GstElementClass * klass,
+    const gchar * first_name, ...)
+{
+  const char *name;
+
+  va_list args;
+
+  g_return_if_fail (GST_IS_ELEMENT_CLASS (klass));
+
+  va_start (args, first_name);
+
+  name = first_name;
+
+  while (name) {
+    int arg_id = va_arg (args, int);
+    int flags = va_arg (args, int);
+
+    gst_element_populate_std_props ((GObjectClass *) klass, name, arg_id,
+        flags);
+
+    name = va_arg (args, char *);
+  }
+
+  va_end (args);
+}

gst/gstutils.h

@@ -257,6 +257,10 @@ GstPadLinkReturn        gst_element_link_pads_filtered  (GstElement *src, const
 void                    gst_element_unlink_pads         (GstElement *src, const gchar *srcpadname,
 		                                         GstElement *dest, const gchar *destpadname);
 
+/* element class functions */
+void gst_element_class_install_std_props (GstElementClass * klass,
+    const gchar * first_name, ...);
+
 /* pad functions */
 gboolean                gst_pad_can_link                (GstPad *srcpad, GstPad *sinkpad);
 gboolean                gst_pad_can_link_filtered       (GstPad *srcpad, GstPad *sinkpad, const GstCaps *filtercaps);