macosx/main: lazy load main menu and library window controller
[vlc.git] / include / vlc_image.h
1 /*****************************************************************************
2  * vlc_image.h : wrapper for image reading/writing facilities
3  *****************************************************************************
4  * Copyright (C) 2004 VLC authors and VideoLAN
5  *
6  * Authors: Gildas Bazin <gbazin@videolan.org>
7  *
8  * This program is free software; you can redistribute it and/or modify it
9  * under the terms of the GNU Lesser General Public License as published by
10  * the Free Software Foundation; either version 2.1 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public License
19  * along with this program; if not, write to the Free Software Foundation,
20  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21  *****************************************************************************/
22
23 #ifndef VLC_IMAGE_H
24 #define VLC_IMAGE_H 1
25
26 # include <vlc_picture.h>
27 # include <vlc_picture_fifo.h>
28
29 /**
30  * \file
31  * This file defines functions and structures for image conversions in vlc
32  */
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                                   const es_format_t *,
42                                   video_format_t * );
43     picture_t * (*pf_read_url)  ( image_handler_t *, const char *,
44                                   video_format_t * );
45     block_t * (*pf_write)       ( image_handler_t *, picture_t *,
46                                   const video_format_t *, const video_format_t * );
47     int (*pf_write_url)         ( image_handler_t *, picture_t *,
48                                   const video_format_t *, const video_format_t *,
49                                   const char * );
50
51     picture_t * (*pf_convert)   ( image_handler_t *, picture_t *,
52                                   const video_format_t *, video_format_t * );
53
54     /* Private properties */
55     vlc_object_t *p_parent;
56     decoder_t *p_dec;
57     encoder_t *p_enc;
58     filter_t  *p_converter;
59
60     picture_fifo_t *outfifo;
61 };
62
63 VLC_API image_handler_t * image_HandlerCreate( vlc_object_t * ) VLC_USED;
64 #define image_HandlerCreate( a ) image_HandlerCreate( VLC_OBJECT(a) )
65 VLC_API void image_HandlerDelete( image_handler_t * );
66
67 #define image_Read( a, b, c, d ) a->pf_read( a, b, c, d )
68 #define image_ReadUrl( a, b, c ) a->pf_read_url( a, b, c )
69 #define image_Write( a, b, c, d ) a->pf_write( a, b, c, d )
70 #define image_WriteUrl( a, b, c, d, e ) a->pf_write_url( a, b, c, d, e )
71 #define image_Convert( a, b, c, d ) a->pf_convert( a, b, c, d )
72
73 VLC_API vlc_fourcc_t image_Type2Fourcc( const char *psz_name );
74 VLC_API vlc_fourcc_t image_Ext2Fourcc( const char *psz_name );
75 VLC_API vlc_fourcc_t image_Mime2Fourcc( const char *psz_mime );
76
77 # ifdef __cplusplus
78 }
79 # endif
80
81 #endif /* _VLC_IMAGE_H */