mirror of
https://github.com/mpv-player/mpv
synced 2024-12-09 08:29:42 +00:00
152 lines
4.5 KiB
C
152 lines
4.5 KiB
C
|
#ifndef DVD_READER_H_INCLUDED
|
|||
|
#define DVD_READER_H_INCLUDED
|
|||
|
|
|||
|
/*
|
|||
|
* Copyright (C) 2001, 2002 Billy Biggs <vektor@dumbterm.net>,
|
|||
|
* H<EFBFBD>kan Hjort <d95hjort@dtek.chalmers.se>
|
|||
|
*
|
|||
|
* This program 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.
|
|||
|
*
|
|||
|
* This program 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 this program; if not, write to the Free Software
|
|||
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|||
|
*/
|
|||
|
|
|||
|
#include <sys/types.h>
|
|||
|
|
|||
|
/**
|
|||
|
* The length of one Logical Block of a DVD Video.
|
|||
|
*/
|
|||
|
#define DVD_VIDEO_LB_LEN 2048
|
|||
|
|
|||
|
/**
|
|||
|
* Maximum length of filenames for UDF.
|
|||
|
*/
|
|||
|
#define MAX_UDF_FILE_NAME_LEN 2048
|
|||
|
|
|||
|
#ifdef __cplusplus
|
|||
|
extern "C" {
|
|||
|
#endif
|
|||
|
|
|||
|
typedef struct dvd_reader_s dvd_reader_t;
|
|||
|
typedef struct dvd_file_s dvd_file_t;
|
|||
|
|
|||
|
/**
|
|||
|
* dvd = DVDOpen(path);
|
|||
|
*
|
|||
|
* Opens a block device of a DVD-ROM file, or an image file, or a directory
|
|||
|
* name for a mounted DVD or HD copy of a DVD. Returns 0 if we can't get any
|
|||
|
* of those methods to work.
|
|||
|
*
|
|||
|
* If the given file is a block device, or is the mountpoint for a block
|
|||
|
* device, then that device is used for CSS authentication using libdvdcss.
|
|||
|
* If no device is available, then no CSS authentication is performed,
|
|||
|
* and we hope that the image is decrypted.
|
|||
|
*
|
|||
|
* If the path given is a directory, then the files in that directory may be in
|
|||
|
* any one of these formats:
|
|||
|
*
|
|||
|
* path/VIDEO_TS/VTS_01_1.VOB
|
|||
|
* path/video_ts/vts_01_1.vob
|
|||
|
* path/VTS_01_1.VOB
|
|||
|
* path/vts_01_1.vob
|
|||
|
*/
|
|||
|
dvd_reader_t *DVDOpen( const char * );
|
|||
|
|
|||
|
/**
|
|||
|
* DVDClose(dvd);
|
|||
|
*
|
|||
|
* Closes and cleans up the DVD reader object. You must close all open files
|
|||
|
* before calling this function.
|
|||
|
*/
|
|||
|
void DVDClose( dvd_reader_t * );
|
|||
|
|
|||
|
/**
|
|||
|
* INFO_FILE : VIDEO_TS.IFO (manager)
|
|||
|
* VTS_XX_0.IFO (title)
|
|||
|
*
|
|||
|
* INFO_BACKUP_FILE: VIDEO_TS.BUP (manager)
|
|||
|
* VTS_XX_0.BUP (title)
|
|||
|
*
|
|||
|
* MENU_VOBS : VIDEO_TS.VOB (manager)
|
|||
|
* VTS_XX_0.VOB (title)
|
|||
|
*
|
|||
|
* TITLE_VOBS : VTS_XX_[1-9].VOB (title)
|
|||
|
* All files in the title set are opened and
|
|||
|
* read as a single file.
|
|||
|
*/
|
|||
|
typedef enum {
|
|||
|
DVD_READ_INFO_FILE,
|
|||
|
DVD_READ_INFO_BACKUP_FILE,
|
|||
|
DVD_READ_MENU_VOBS,
|
|||
|
DVD_READ_TITLE_VOBS
|
|||
|
} dvd_read_domain_t;
|
|||
|
|
|||
|
/**
|
|||
|
* dvd_file = DVDOpenFile(dvd, titlenum, domain);
|
|||
|
*
|
|||
|
* Opens a file on the DVD given the title number and domain. If the title
|
|||
|
* number is 0, the video manager information is opened
|
|||
|
* (VIDEO_TS.[IFO,BUP,VOB]). Returns a file structure which may be used for
|
|||
|
* reads, or 0 if the file was not found.
|
|||
|
*/
|
|||
|
dvd_file_t *DVDOpenFile( dvd_reader_t *, int,
|
|||
|
dvd_read_domain_t );
|
|||
|
|
|||
|
/**
|
|||
|
* DVDCloseFile(dvd_file);
|
|||
|
*
|
|||
|
* Closes a file and frees the associated structure.
|
|||
|
*/
|
|||
|
void DVDCloseFile( dvd_file_t * );
|
|||
|
|
|||
|
/**
|
|||
|
* blocks_read = DVDReadBlocks(dvd_file, offset, block_count, data);
|
|||
|
*
|
|||
|
* Reads block_count number of blocks from the file at the given block offset.
|
|||
|
* Returns number of blocks read on success, -1 on error. This call is only
|
|||
|
* for reading VOB data, and should not be used when reading the IFO files.
|
|||
|
* When reading from an encrypted drive, blocks are decrypted using libdvdcss
|
|||
|
* where required.
|
|||
|
*/
|
|||
|
ssize_t DVDReadBlocks( dvd_file_t *, int, size_t, unsigned char * );
|
|||
|
|
|||
|
/**
|
|||
|
* offset_set = DVDFileSeek(dvd_file, seek_offset);
|
|||
|
*
|
|||
|
* Seek to the given position in the file. Returns the resulting position in
|
|||
|
* bytes from the beginning of the file. The seek position is only used for
|
|||
|
* byte reads from the file, the block read call always reads from the given
|
|||
|
* offset.
|
|||
|
*/
|
|||
|
int DVDFileSeek( dvd_file_t *, int );
|
|||
|
|
|||
|
/**
|
|||
|
* bytes_read = DVDReadBytes(dvd_file, data, bytes);
|
|||
|
*
|
|||
|
* Reads the given number of bytes from the file. This call can only be used
|
|||
|
* on the information files, and may not be used for reading from a VOB. This
|
|||
|
* reads from and increments the currrent seek position for the file.
|
|||
|
*/
|
|||
|
ssize_t DVDReadBytes( dvd_file_t *, void *, size_t );
|
|||
|
|
|||
|
/**
|
|||
|
* blocks = DVDFileSize(dvd_file);
|
|||
|
*
|
|||
|
* Returns the file size in blocks.
|
|||
|
*/
|
|||
|
ssize_t DVDFileSize( dvd_file_t * );
|
|||
|
|
|||
|
#ifdef __cplusplus
|
|||
|
};
|
|||
|
#endif
|
|||
|
#endif /* DVD_READER_H_INCLUDED */
|