From: David Schleef <ds@schleef.org>
Date: Tue, 19 Aug 2003 04:08:29 +0000 (+0000)
Subject: Add GST_CAPS_NONE and GST_CAPS_ANY
X-Git-Tag: BRANCH-ERROR-ROOT~42
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a937894b486df869716759e709dbc47b7e8bad85;p=platform%2Fupstream%2Fgstreamer.git

Add GST_CAPS_NONE and GST_CAPS_ANY

Original commit message from CVS:
Add GST_CAPS_NONE and GST_CAPS_ANY
---

diff --git a/gst/gstcaps.c b/gst/gstcaps.c
index 9b3bc39..bce958c 100644
--- a/gst/gstcaps.c
+++ b/gst/gstcaps.c
@@ -270,6 +270,31 @@ gst_caps_new_id (const gchar *name, const guint16 id, GstProps *props)
 }
 
 /**
+ * gst_caps_get_any:
+ *
+ * Return a copy of the caps that represents any capability.
+ *
+ * Returns: the ANY capability
+ */
+GstCaps*
+gst_caps_get_any (void)
+{
+#if 0
+  static GstCaps *caps;
+
+  if (!caps){
+    caps = GST_CAPS_NEW ("gst_caps_any", "*", NULL);
+    gst_caps_ref(caps);
+    gst_caps_sink(caps);
+  }
+
+  return gst_caps_ref(caps);
+#else
+  return NULL;
+#endif
+}
+
+/**
  * gst_caps_replace:
  * @oldcaps: the caps to take replace
  * @newcaps: the caps to take replace 
diff --git a/gst/gstcaps.h b/gst/gstcaps.h
index 13dbaf0..d781247 100644
--- a/gst/gstcaps.h
+++ b/gst/gstcaps.h
@@ -57,6 +57,9 @@ typedef enum {
 #define GST_CAPS_IS_FLOATING(caps)	(GST_CAPS_FLAG_IS_SET ((caps), GST_CAPS_FLOATING))
 #define GST_CAPS_IS_CHAINED(caps)  	(GST_CAPS_NEXT (caps) != NULL)
 
+#define GST_CAPS_NONE			NULL
+#define GST_CAPS_ANY			(gst_caps_get_any())
+
 struct _GstCaps {
   /* --- public --- */
   gchar 	*name;			/* the name of this caps */
@@ -124,6 +127,7 @@ void		_gst_caps_initialize			(void);
 GType		gst_caps_get_type			(void);
 GstCaps*	gst_caps_new				(const gchar *name, const gchar *mime, GstProps *props);
 GstCaps*	gst_caps_new_id				(const gchar *name, const guint16 id, GstProps *props);
+GstCaps*	gst_caps_get_any			(void);
 /* replace pointer to caps, doing proper refcounting */
 void		gst_caps_replace			(GstCaps **oldcaps, GstCaps *newcaps);
 void		gst_caps_replace_sink			(GstCaps **oldcaps, GstCaps *newcaps);