Add GST_CAPS_NONE and GST_CAPS_ANY

Original commit message from CVS:
Add GST_CAPS_NONE and GST_CAPS_ANY
This commit is contained in:
David Schleef 2003-08-19 04:08:29 +00:00
parent 9d570688de
commit a937894b48
2 changed files with 29 additions and 0 deletions

View file

@ -269,6 +269,31 @@ gst_caps_new_id (const gchar *name, const guint16 id, GstProps *props)
return caps;
}
/**
* 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

View file

@ -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);