/*
 * mlt_property.h -- property class
 * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
 * Author: Charles Yates <charles.yates@pandora.be>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef _MLT_PROPERTY_H_
#define _MLT_PROPERTY_H_

#include "mlt_types.h"

/** Bit pattern for properties.
*/

typedef enum
{
	mlt_prop_none = 0,
	mlt_prop_int = 1,
	mlt_prop_string = 2,
	mlt_prop_position = 4,
	mlt_prop_double = 8,
	mlt_prop_data = 16,
	mlt_prop_int64 = 32
}
mlt_property_type;

/** Property structure.
*/

typedef struct mlt_property_s
{
	// Stores a bit pattern of types available for this property
	mlt_property_type types;

	// Atomic type handling
	int prop_int;
	mlt_position prop_position;
	double prop_double;
	int64_t prop_int64;

	// String handling
	char *prop_string;

	// Generic type handling
	void *data;
	int length;
	mlt_destructor destructor;
	mlt_serialiser serialiser;
}
*mlt_property;

/** API
*/

extern mlt_property mlt_property_init( );
extern int mlt_property_set_int( mlt_property self, int value );
extern int mlt_property_set_double( mlt_property self, double value );
extern int mlt_property_set_position( mlt_property self, mlt_position value );
extern int mlt_property_set_int64( mlt_property self, int64_t value );
extern int mlt_property_set_string( mlt_property self, const char *value );
extern int mlt_property_set_data( mlt_property self, void *value, int length, mlt_destructor destructor, mlt_serialiser serialiser );
extern int mlt_property_get_int( mlt_property self );
extern double mlt_property_get_double( mlt_property self );
extern mlt_position mlt_property_get_position( mlt_property self );
extern int64_t mlt_property_get_int64( mlt_property self );
extern char *mlt_property_get_string( mlt_property self );
extern void *mlt_property_get_data( mlt_property self, int *length );
extern void mlt_property_close( mlt_property self );

extern void mlt_property_pass( mlt_property this, mlt_property that );

#endif