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/**
* \file dvdcss.h
* \author Stéphane Borel <stef@via.ecp.fr>
* \author Sam Hocevar <sam@zoy.org>
*
* \brief The \e libdvdcss public header.
*
* Public types and functions that describe the API of the \e libdvdcss library.
*/
/*
* Copyright (C) 1998-2008 VideoLAN
*
* 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_DVDCSS_H
#ifndef _DOXYGEN_SKIP_ME
#define DVDCSS_DVDCSS_H 1
#endif
#include <stdint.h>
#include "version.h"
#ifdef __cplusplus
extern "C" {
#endif
/** Library instance handle, to be used for each library call. */
typedef struct dvdcss_s* dvdcss_t;
/** Set of callbacks to access DVDs in custom ways. */
typedef struct dvdcss_stream_cb
{
/** custom seek callback */
int ( *pf_seek ) ( void *p_stream, uint64_t i_pos);
/** custom read callback */
int ( *pf_read ) ( void *p_stream, void *buffer, int i_read);
/** custom vectored read callback */
int ( *pf_readv ) ( void *p_stream, const void *p_iovec, int i_blocks);
} dvdcss_stream_cb;
/** The block size of a DVD. */
#define DVDCSS_BLOCK_SIZE 2048
/** The default flag to be used by \e libdvdcss functions. */
#define DVDCSS_NOFLAGS 0
/** Flag to ask dvdcss_read() to decrypt the data it reads. */
#define DVDCSS_READ_DECRYPT (1 << 0)
/** Flag to tell dvdcss_seek() it is seeking in MPEG data. */
#define DVDCSS_SEEK_MPEG (1 << 0)
/** Flag to ask dvdcss_seek() to check the current title key. */
#define DVDCSS_SEEK_KEY (1 << 1)
/** Macro for setting symbol storage-class or visibility.
* Define LIBDVDCSS_IMPORTS before importing this header to get the
* correct DLL storage-class when using \e libdvdcss from MSVC. */
#if defined(LIBDVDCSS_EXPORTS)
#define LIBDVDCSS_EXPORT __declspec(dllexport) extern
#elif defined(LIBDVDCSS_IMPORTS)
#define LIBDVDCSS_EXPORT __declspec(dllimport) extern
#elif defined(SUPPORT_ATTRIBUTE_VISIBILITY_DEFAULT)
#define LIBDVDCSS_EXPORT __attribute__((visibility("default"))) extern
#else
#define LIBDVDCSS_EXPORT extern
#endif
/*
* Exported prototypes.
*/
LIBDVDCSS_EXPORT dvdcss_t dvdcss_open ( const char *psz_target );
LIBDVDCSS_EXPORT dvdcss_t dvdcss_open_stream( void *p_stream,
dvdcss_stream_cb *p_stream_cb );
LIBDVDCSS_EXPORT int dvdcss_close ( dvdcss_t );
LIBDVDCSS_EXPORT int dvdcss_seek ( dvdcss_t,
int i_blocks,
int i_flags );
LIBDVDCSS_EXPORT int dvdcss_read ( dvdcss_t,
void *p_buffer,
int i_blocks,
int i_flags );
LIBDVDCSS_EXPORT int dvdcss_readv ( dvdcss_t,
void *p_iovec,
int i_blocks,
int i_flags );
LIBDVDCSS_EXPORT const char *dvdcss_error ( const dvdcss_t );
LIBDVDCSS_EXPORT int dvdcss_is_scrambled ( dvdcss_t );
#ifdef __cplusplus
}
#endif
#endif /* DVDCSS_DVDCSS_H */
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