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Added some more useful functions to create props

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Original commit message from CVS:
Added some more useful functions to create props
This commit is contained in:
Wim Taymans 2002-05-01 19:38:58 +00:00
parent 4cebbc6821
commit c78119cf6e
2 changed files with 64 additions and 9 deletions
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67
gst/gstprops.c
View file

@ -274,8 +274,15 @@ gst_props_entry_destroy (GstPropsEntry *entry)
g_mutex_unlock (_gst_props_entries_chunk_lock);
}
static GstProps*
gst_props_alloc (void)
/**
* gst_props_empty_new:
*
* Create a new empty property.
*
* Returns: the new property
*/
GstProps*
gst_props_empty_new (void)
{
GstProps *props;
@ -290,7 +297,14 @@ gst_props_alloc (void)
return props;
}
static void
/**
* gst_props_add_entry:
* @props: the property to add the entry to
* @entry: the entry to add
*
* Addes the given propsentry to the props
*/
void
gst_props_add_entry (GstProps *props, GstPropsEntry *entry)
{
g_return_if_fail (props);
@ -455,6 +469,40 @@ gst_props_add_to_int_list (GList * entries, GstPropsEntry * newentry)
return g_list_prepend (entries, newentry);
}
static GstPropsEntry*
gst_props_entry_newv (const gchar *name, va_list var_args)
{
GstPropsEntry *entry;
entry = gst_props_alloc_entry ();
entry->propid = g_quark_from_string (name);
GST_PROPS_ENTRY_FILL (entry, var_args);
return entry;
}
/**
* gst_props_entry_new:
* @name: the name of the props entry
* @...: the value of the entry
*
* Create a new property entry with the given key/value.
*
* Returns: the new entry.
*/
GstPropsEntry*
gst_props_entry_new (const gchar *name, ...)
{
va_list var_args;
GstPropsEntry *entry;
va_start (var_args, name);
entry = gst_props_entry_newv (name, var_args);
va_end (var_args);
return entry;
}
/**
* gst_props_newv:
* @firstname: the first property name
@ -487,7 +535,7 @@ gst_props_newv (const gchar *firstname, va_list var_args)
if (firstname == NULL)
return NULL;
props = gst_props_alloc ();
props = gst_props_empty_new ();
prop_name = firstname;
@ -600,6 +648,8 @@ gst_props_set (GstProps *props, const gchar *name, ...)
GList *lentry;
va_list var_args;
g_return_val_if_fail (props != NULL, NULL);
quark = g_quark_from_string (name);
lentry = g_list_find_custom (props->properties, GINT_TO_POINTER (quark), props_find_func);
@ -622,6 +672,7 @@ gst_props_set (GstProps *props, const gchar *name, ...)
return props;
}
/**
* gst_props_unref:
* @props: the props to unref
@ -738,7 +789,7 @@ gst_props_copy (GstProps *props)
if (props == NULL)
return NULL;
new = gst_props_alloc ();
new = gst_props_empty_new ();
new->properties = gst_props_list_copy (props->properties);
new->fixed = props->fixed;
@ -1575,7 +1626,7 @@ gst_props_intersect (GstProps *props1, GstProps *props2)
GList *leftovers;
GstPropsEntry *iprops = NULL;
intersection = gst_props_alloc ();
intersection = gst_props_empty_new ();
intersection->fixed = TRUE;
g_return_val_if_fail (props1 != NULL, NULL);
@ -1697,7 +1748,7 @@ gst_props_normalize (GstProps *props)
GstProps *newprops;
GList *lentry;
newprops = gst_props_alloc ();
newprops = gst_props_empty_new ();
newprops->properties = gst_props_list_copy (props->properties);
lentry = g_list_find_custom (newprops->properties, GINT_TO_POINTER (list_entry->propid), props_find_func);
if (lentry) {
@ -1940,7 +1991,7 @@ gst_props_load_thyself (xmlNodePtr parent)
xmlNodePtr field = parent->xmlChildrenNode;
gchar *prop;
props = gst_props_alloc ();
props = gst_props_empty_new ();
while (field) {
if (!strcmp (field->name, "list")) {

6
gst/gstprops.h
View file

@ -87,6 +87,7 @@ void _gst_props_initialize (void);
GstProps* gst_props_new (const gchar *firstname, ...);
GstProps* gst_props_newv (const gchar *firstname, va_list var_args);
GstProps* gst_props_empty_new (void);
void gst_props_unref (GstProps *props);
void gst_props_ref (GstProps *props);
@ -110,9 +111,12 @@ gboolean gst_props_has_property (GstProps *props, const gchar *name);
gboolean gst_props_has_property_typed (GstProps *props, const gchar *name, GstPropsType type);
gboolean gst_props_has_fixed_property (GstProps *props, const gchar *name);
const GstPropsEntry* gst_props_get_entry (GstProps *props, const gchar *name);
void gst_props_add_entry (GstProps *props, GstPropsEntry *entry);
/* working with props entries */
const GstPropsEntry* gst_props_get_entry (GstProps *props, const gchar *name);
GstPropsEntry* gst_props_entry_new (const gchar *name, ...);
GstPropsType gst_props_entry_get_type (const GstPropsEntry *entry);
const gchar* gst_props_entry_get_name (const GstPropsEntry *entry);
gboolean gst_props_entry_is_fixed (const GstPropsEntry *entry);