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includes: add some more LIBVLC_USED.
[vlc] / include / vlc_image.h
1 /*****************************************************************************
2  * vlc_image.h : wrapper for image reading/writing facilities
3  *****************************************************************************
4  * Copyright (C) 2004 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Gildas Bazin <gbazin@videolan.org>
8  *
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.
13  *
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.
18  *
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  *****************************************************************************/
23
24 #ifndef VLC_IMAGE_H
25 #define VLC_IMAGE_H 1
26
27 /**
28  * \file
29  * This file defines functions and structures for image conversions in vlc
30  */
31
32 #include <vlc_vout.h>
33
34 # ifdef __cplusplus
35 extern "C" {
36 # endif
37
38 struct image_handler_t
39 {
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 *,
48                                   const char * );
49
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 * );
54
55     /* Private properties */
56     vlc_object_t *p_parent;
57     decoder_t *p_dec;
58     encoder_t *p_enc;
59     filter_t  *p_filter;
60 };
61
62 VLC_EXPORT( image_handler_t *, image_HandlerCreate, ( vlc_object_t * ) LIBVLC_USED );
63 #define image_HandlerCreate( a ) image_HandlerCreate( VLC_OBJECT(a) )
64 VLC_EXPORT( void, image_HandlerDelete, ( image_handler_t * ) );
65
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 )
72
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 ) );
76
77 # ifdef __cplusplus
78 }
79 # endif
80
81 #endif /* _VLC_IMAGE_H */