shithub: libdvdcss

ref: 1ecbd379c4f9c768553bfc13ee0c9985fcef7b47
dir: /src/libdvdcss.h/

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/*****************************************************************************
 * libdvdcss.h: private DVD reading library data
 *****************************************************************************
 * Copyright (C) 1998-2001 VideoLAN
 *
 * Authors: Stéphane Borel <[email protected]>
 *          Sam Hocevar <[email protected]>
 *
 * libdvdcss is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * libdvdcss is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with libdvdcss; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *****************************************************************************/

#ifndef DVDCSS_LIBDVDCSS_H
#define DVDCSS_LIBDVDCSS_H

#include "config.h"

#ifdef HAVE_LIMITS_H
#   include <limits.h>
#endif

#include "dvdcss/dvdcss.h"
#include "css.h"
#include "device.h"

/*****************************************************************************
 * The libdvdcss structure
 *****************************************************************************/
struct dvdcss_s
{
    /* File descriptor */
    char * psz_device;
    int    i_fd;
    int    i_read_fd;
    int    i_pos;

    /* File handling */
    int ( * pf_seek )  ( dvdcss_t, int );
    int ( * pf_read )  ( dvdcss_t, void *, int );
    int ( * pf_readv ) ( dvdcss_t, struct iovec *, int );

    /* Decryption stuff */
    int          i_method;
    css_t        css;
    int          b_ioctls;
    int          b_scrambled;
    dvd_title_t *p_titles;

    /* Key cache directory and pointer to the filename */
    char   psz_cachefile[PATH_MAX];
    char * psz_block;

    /* Error management */
    char * psz_error;
    int    b_errors;
    int    b_debug;

#ifdef WIN32
    int    b_file;
    char * p_readv_buffer;
    int    i_readv_buf_size;
#endif

#ifdef DVDCSS_RAW_OPEN
    int    i_raw_fd;
#endif
};

/*****************************************************************************
 * libdvdcss method: used like init flags
 *****************************************************************************/
#define DVDCSS_METHOD_KEY        0
#define DVDCSS_METHOD_DISC       1
#define DVDCSS_METHOD_TITLE      2

/*****************************************************************************
 * Functions used across the library
 *****************************************************************************/
#define print_debug( dvdcss, ... ) \
    if( dvdcss->b_debug ) \
    { \
        fprintf( stderr, "libdvdcss debug: " ); \
        fprintf( stderr, __VA_ARGS__ ); \
        fprintf( stderr, "\n" ); \
    }

void print_error ( dvdcss_t, char * );

#endif /* DVDCSS_LIBDVDCSS_H */