VLC  4.0.0-dev
vlc_image.h
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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 *,
45  block_t * (*pf_write) ( image_handler_t *, picture_t *,
46  const video_format_t *, const video_format_t * );
48  const video_format_t *, const video_format_t *,
49  const char * );
50 
51  picture_t * (*pf_convert) ( image_handler_t *, picture_t *,
53 
54  /* Private properties */
59 
61 };
62 
64 #define image_HandlerCreate( a ) image_HandlerCreate( VLC_OBJECT(a) )
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 
76 
77 # ifdef __cplusplus
78 }
79 # endif
80 
81 #endif /* _VLC_IMAGE_H */
#define VLC_USED
Definition: fourcc_gen.c:32
#define VLC_API
Definition: fourcc_gen.c:31
uint32_t vlc_fourcc_t
Definition: fourcc_gen.c:33
const char * psz_mime
Definition: image.c:634
Definition: vlc_block.h:118
Definition: vlc_codec.h:102
Definition: vlc_codec.h:243
Definition: vlc_es.h:619
Structure describing a filter.
Definition: vlc_filter.h:216
Definition: vlc_image.h:40
decoder_t * p_dec
Definition: vlc_image.h:57
int(* pf_write_url)(image_handler_t *, picture_t *, const video_format_t *, const video_format_t *, const char *)
Definition: vlc_image.h:48
encoder_t * p_enc
Definition: vlc_image.h:58
picture_fifo_t * outfifo
Definition: vlc_image.h:61
vlc_object_t * p_parent
Definition: vlc_image.h:56
filter_t * p_converter
Definition: vlc_image.h:59
Definition: picture_fifo.c:39
Video picture.
Definition: vlc_picture.h:124
video format description
Definition: vlc_es.h:352
VLC object common members.
Definition: vlc_objects.h:45
const char * psz_name
Definition: text_style.c:33
void image_HandlerDelete(image_handler_t *)
Delete the image_handler_t instance.
Definition: image.c:116
#define image_HandlerCreate(a)
Definition: vlc_image.h:65
vlc_fourcc_t image_Mime2Fourcc(const char *psz_mime)
Definition: image.c:657
vlc_fourcc_t image_Type2Fourcc(const char *psz_name)
Definition: image.c:613
vlc_fourcc_t image_Ext2Fourcc(const char *psz_name)
Definition: image.c:622
This file defines picture structures and functions in vlc.
This file defines picture fifo structures and functions in vlc.