libdvdcss/libdvdcss.h

   1 /*****************************************************************************
   2  * libdvdcss.h: private DVD reading library data
   3  *****************************************************************************
   4  * Copyright (C) 1998-2001 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Stéphane Borel <stef@via.ecp.fr>
   8  *          Sam Hocevar <sam@zoy.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with libdvdcss; if not, write to the Free Software Foundation, Inc.,
  22  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  23  *****************************************************************************/
  24
  25 #ifndef DVDCSS_LIBDVDCSS_H
  26 #define DVDCSS_LIBDVDCSS_H
  27
  28 #include "dvdcss/dvdcss.h"
  29 #include "css.h"
  30
  31 struct iovec;
  32
  33 /*****************************************************************************
  34  * The libdvdcss structure
  35  *****************************************************************************/
  36 struct dvdcss_s
  37 {
  38     /* File descriptor */
  39     char * psz_device;
  40     int    i_fd;
  41     int    i_read_fd;
  42     int    i_pos;
  43
  44     /* File handling */
  45     int ( * pf_seek )  ( dvdcss_t, int );
  46     int ( * pf_read )  ( dvdcss_t, void *, int );
  47     int ( * pf_readv ) ( dvdcss_t, struct iovec *, int );
  48
  49     /* Decryption stuff */
  50     int          i_method;
  51     css_t        css;
  52     int          b_ioctls;
  53     int          b_scrambled;
  54     dvd_title_t *p_titles;
  55
  56     /* Key cache directory and pointer to the filename */
  57     char   psz_cachefile[PATH_MAX];
  58     char * psz_block;
  59
  60     /* Error management */
  61     char * psz_error;
  62     int    b_errors;
  63     int    b_debug;
  64
  65 #ifdef WIN32
  66     int    b_file;
  67     char * p_readv_buffer;
  68     int    i_readv_buf_size;
  69 #endif
  70
  71 #if !defined(WIN32) && !defined(SYS_OS2)
  72     int    i_raw_fd;
  73 #endif
  74 };
  75
  76 /*****************************************************************************
  77  * libdvdcss method: used like init flags
  78  *****************************************************************************/
  79 #define DVDCSS_METHOD_KEY        0
  80 #define DVDCSS_METHOD_DISC       1
  81 #define DVDCSS_METHOD_TITLE      2
  82
  83 /*****************************************************************************
  84  * Functions used across the library
  85  *****************************************************************************/
  86 #define print_error(dvdcss,msg) _print_error(dvdcss,msg)
  87 #if defined( _MSC_VER )
  88 #include <stdarg.h>
  89 __forceinline void print_debug(dvdcss_t dvdcss, const char *msg,...)
  90 {
  91         va_list args;
  92
  93     fprintf( stderr, "libdvdcss debug: " );
  94         va_start( args, msg );
  95     vfprintf( stderr, msg, args );
  96         va_end( args );
  97     fprintf( stderr, "\n" );
  98 }
  99 #else
 100 #define print_debug(dvdcss,msg,args...) \
 101     if( dvdcss->b_debug ) \
 102     { \
 103         fprintf( stderr, "libdvdcss debug: " ); \
 104         fprintf( stderr, msg, ##args ); \
 105         fprintf( stderr, "\n" ); \
 106     }
 107 #endif
 108
 109 void _print_error ( dvdcss_t, char * );
 110
 111 #endif /* DVDCSS_LIBDVDCSS_H */