vlc-0.8.4a: /home/huihoo/src/vlc/vlc-0.8.4a/include/vlc

00001 /*****************************************************************************
00002  * vlc_image.h : wrapper for image reading/writing facilities
00003  *****************************************************************************
00004  * Copyright (C) 2004 the VideoLAN team
00005  * $Id: vlc_image.h 11941 2005-08-01 16:38:56Z massiot $
00006  *
00007  * Authors: Gildas Bazin <[email protected]>
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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
00022  *****************************************************************************/
00023 
00024 #ifndef _VLC_IMAGE_H
00025 #define _VLC_IMAGE_H 1
00026 
00027 #include "vlc_video.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 *, const char * );
00043 
00044     picture_t * (*pf_convert) ( image_handler_t *, picture_t *,
00045                                 video_format_t *, video_format_t * );
00046     picture_t * (*pf_filter) ( image_handler_t *, picture_t *,
00047                                video_format_t *, const char * );
00048 
00049     /* Private properties */
00050     vlc_object_t *p_parent;
00051     decoder_t *p_dec;
00052     encoder_t *p_enc;
00053     filter_t  *p_filter;
00054 };
00055 
00056 VLC_EXPORT( image_handler_t *, __image_HandlerCreate, ( vlc_object_t * ) );
00057 #define image_HandlerCreate( a ) __image_HandlerCreate( VLC_OBJECT(a) )
00058 VLC_EXPORT( void, image_HandlerDelete, ( image_handler_t * ) );
00059 
00060 #define image_Read( a, b, c, d ) a->pf_read( a, b, c, d )
00061 #define image_ReadUrl( a, b, c, d ) a->pf_read_url( a, b, c, d )
00062 #define image_Write( a, b, c, d ) a->pf_write( a, b, c, d )
00063 #define image_WriteUrl( a, b, c, d, e ) a->pf_write_url( a, b, c, d, e )
00064 #define image_Convert( a, b, c, d ) a->pf_convert( a, b, c, d )
00065 #define image_Filter( a, b, c, d ) a->pf_filter( a, b, c, d )
00066 
00067 # ifdef __cplusplus
00068 }
00069 # endif
00070 
00071 #endif /* _VLC_IMAGE_H */