1 /*****************************************************************************
2 * vlc_image.h : wrapper for image reading/writing facilities
3 *****************************************************************************
4 * Copyright (C) 2004 the VideoLAN team
7 * Authors: Gildas Bazin <gbazin@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
29 * This file defines functions and structures for image conversions in vlc
38 struct image_handler_t
40 picture_t * (*pf_read) ( image_handler_t *, block_t *,
41 video_format_t *, video_format_t * );
42 picture_t * (*pf_read_url) ( image_handler_t *, const char *,
43 video_format_t *, video_format_t * );
44 block_t * (*pf_write) ( image_handler_t *, picture_t *,
45 video_format_t *, video_format_t * );
46 int (*pf_write_url) ( image_handler_t *, picture_t *,
47 video_format_t *, video_format_t *,
50 picture_t * (*pf_convert) ( image_handler_t *, picture_t *,
51 video_format_t *, video_format_t * );
52 picture_t * (*pf_filter) ( image_handler_t *, picture_t *,
53 video_format_t *, const char * );
55 /* Private properties */
56 vlc_object_t *p_parent;
62 VLC_EXPORT( image_handler_t *, image_HandlerCreate, ( vlc_object_t * ) );
63 #define image_HandlerCreate( a ) image_HandlerCreate( VLC_OBJECT(a) )
64 VLC_EXPORT( void, image_HandlerDelete, ( image_handler_t * ) );
66 #define image_Read( a, b, c, d ) a->pf_read( a, b, c, d )
67 #define image_ReadUrl( a, b, c, d ) a->pf_read_url( a, b, c, d )
68 #define image_Write( a, b, c, d ) a->pf_write( a, b, c, d )
69 #define image_WriteUrl( a, b, c, d, e ) a->pf_write_url( a, b, c, d, e )
70 #define image_Convert( a, b, c, d ) a->pf_convert( a, b, c, d )
71 #define image_Filter( a, b, c, d ) a->pf_filter( a, b, c, d )
73 VLC_EXPORT( vlc_fourcc_t, image_Type2Fourcc, ( const char *psz_name ) );
74 VLC_EXPORT( vlc_fourcc_t, image_Ext2Fourcc, ( const char *psz_name ) );
75 VLC_EXPORT( vlc_fourcc_t, image_Mime2Fourcc, ( const char *psz_mime ) );
81 #endif /* _VLC_IMAGE_H */