Properties rename and dump function

[melted] / src / framework / mlt_properties.c

diff --git a/src/framework/mlt_properties.c b/src/framework/mlt_properties.c
index 970fbd4..e1e6453 100644 (file)
--- a/src/framework/mlt_properties.c
+++ b/src/framework/mlt_properties.c
@@ -373,6 +373,44 @@ int mlt_properties_set_data( mlt_properties this, char *name, void *value, int l
        return error;
 }
 
+/** Rename a property.
+*/
+
+int mlt_properties_rename( mlt_properties this, char *source, char *dest )
+{
+       mlt_property value = mlt_properties_find( this, dest );
+
+       if ( value == NULL )
+       {
+               property_list *list = this->private;
+               int i = 0;
+
+               // Locate the item 
+               for ( i = 0; i < list->count; i ++ )
+               {
+                       if ( !strcmp( list->name[ i ], source ) )
+                       {
+                               free( list->name[ i ] );
+                               list->name[ i ] = strdup( dest );
+                               break;
+                       }
+               }
+       }
+
+       return value != NULL;
+}
+
+/** Dump the properties.
+*/
+
+void mlt_properties_dump( mlt_properties this, FILE *output )
+{
+       property_list *list = this->private;
+       int i = 0;
+       for ( i = 0; i < list->count; i ++ )
+               fprintf( stderr, "%s = %s\n", list->name[ i ], mlt_properties_get( this, list->name[ i ] ) );
+}
+
 /** Close the list.
 */