VLC: include/vlc_image.h Source File

00001 /*****************************************************************************
00002  * vlc_image.h : wrapper for image reading/writing facilities
00003  *****************************************************************************
00004  * Copyright (C) 2004 the VideoLAN team
00005  * $Id$
00006  *
00007  * Authors: Gildas Bazin <gbazin@videolan.org>
00008  *
00009  * This program is free software; you can redistribute it and/or modify
00010  * it under the terms of the GNU General Public License as published by
00011  * the Free Software Foundation; either version 2 of the License, or
00012  * (at your option) any later version.
00013  *
00014  * This program is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  * GNU General Public License for more details.
00018  *
00019  * You should have received a copy of the GNU General Public License
00020  * along with this program; if not, write to the Free Software
00021  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
00022  *****************************************************************************/
00023 
00024 #ifndef VLC_IMAGE_H
00025 #define VLC_IMAGE_H 1
00026 
00027 #include <vlc_vout.h>
00028 
00029 # ifdef __cplusplus
00030 extern "C" {
00031 # endif
00032 
00033 struct image_handler_t
00034 {
00035     picture_t * (*pf_read)      ( image_handler_t *, block_t *,
00036                                   video_format_t *, video_format_t * );
00037     picture_t * (*pf_read_url)  ( image_handler_t *, const char *,
00038                                   video_format_t *, video_format_t * );
00039     block_t * (*pf_write)       ( image_handler_t *, picture_t *,
00040                                   video_format_t *, video_format_t * );
00041     int (*pf_write_url)         ( image_handler_t *, picture_t *,
00042                                   video_format_t *, video_format_t *,
00043                                   const char * );
00044 
00045     picture_t * (*pf_convert)   ( image_handler_t *, picture_t *,
00046                                   video_format_t *, video_format_t * );
00047     picture_t * (*pf_filter)    ( image_handler_t *, picture_t *,
00048                                   video_format_t *, const char * );
00049 
00050     /* Private properties */
00051     vlc_object_t *p_parent;
00052     decoder_t *p_dec;
00053     encoder_t *p_enc;
00054     filter_t  *p_filter;
00055 };
00056 
00057 VLC_EXPORT( image_handler_t *, __image_HandlerCreate, ( vlc_object_t * ) );
00058 #define image_HandlerCreate( a ) __image_HandlerCreate( VLC_OBJECT(a) )
00059 VLC_EXPORT( void, image_HandlerDelete, ( image_handler_t * ) );
00060 
00061 #define image_Read( a, b, c, d ) a->pf_read( a, b, c, d )
00062 #define image_ReadUrl( a, b, c, d ) a->pf_read_url( a, b, c, d )
00063 #define image_Write( a, b, c, d ) a->pf_write( a, b, c, d )
00064 #define image_WriteUrl( a, b, c, d, e ) a->pf_write_url( a, b, c, d, e )
00065 #define image_Convert( a, b, c, d ) a->pf_convert( a, b, c, d )
00066 #define image_Filter( a, b, c, d ) a->pf_filter( a, b, c, d )
00067 
00068 # ifdef __cplusplus
00069 }
00070 # endif
00071 
00072 #endif /* _VLC_IMAGE_H */