/* * mlt_property.h -- property class * Copyright (C) 2003-2004 Ushodaya Enterprises Limited * Author: Charles Yates * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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_uint64( mlt_property self, uint64_t value ); extern int mlt_property_set_string( mlt_property self, 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 ); #endif