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add gst_props_get_float function

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Original commit message from CVS:
add gst_props_get_float function
This commit is contained in:
Steve Baker 2001-04-28 18:56:10 +00:00
parent dffced240f
commit 368feff16f
3 changed files with 32 additions and 0 deletions
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1
gst/gstcaps.h
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@ -105,6 +105,7 @@ GstProps* gst_caps_get_props (GstCaps *caps);
#define gst_caps_set(caps, name, args...) gst_props_set ((caps)->properties, name, args)
#define gst_caps_get_int(caps, name) gst_props_get_int ((caps)->properties, name)
#define gst_caps_get_float(caps, name) gst_props_get_float ((caps)->properties, name)
#define gst_caps_get_fourcc_int(caps, name) gst_props_get_fourcc_int ((caps)->properties, name)
#define gst_caps_get_boolean(caps, name) gst_props_get_boolean ((caps)->properties, name)
#define gst_caps_get_string(caps, name) gst_props_get_string ((caps)->properties, name)

30
gst/gstprops.c
View file

@ -432,6 +432,36 @@ gst_props_get_int (GstProps *props, const gchar *name)
return 0;
}
/**
* gst_props_get_float:
* @props: the props to get the float value from
* @name: the name of the props entry to get.
*
* Get the named entry as a float.
*
* Returns: the float value of the named entry, 0.0 if not found.
*/
gfloat
gst_props_get_float (GstProps *props, const gchar *name)
{
GList *lentry;
GQuark quark;
quark = g_quark_from_string (name);
lentry = g_list_find_custom (props->properties, GINT_TO_POINTER (quark), props_find_func);
if (lentry) {
GstPropsEntry *thisentry;
thisentry = (GstPropsEntry *)lentry->data;
return thisentry->data.float_data;
}
return 0.0F;
}
/**
* gst_props_get_fourcc_int:
* @props: the props to get the fourcc value from

1
gst/gstprops.h
View file

@ -90,6 +90,7 @@ gboolean gst_props_check_compatibility (GstProps *fromprops, GstProps *toprops
GstProps* gst_props_set (GstProps *props, const gchar *name, ...);
gint gst_props_get_int (GstProps *props, const gchar *name);
gfloat gst_props_get_float (GstProps *props, const gchar *name);
gulong gst_props_get_fourcc_int (GstProps *props, const gchar *name);
gboolean gst_props_get_boolean (GstProps *props, const gchar *name);
const gchar* gst_props_get_string (GstProps *props, const gchar *name);