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C/C++ Source or Header  |  2009-10-30  |  3.1 KB  |  82 lines
  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 * ) );
  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 */
  82.