diff options
author | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-08-16 22:37:48 +0000 |
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committer | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-08-16 22:37:48 +0000 |
commit | 75e28d06f8b7678bb68699c568051f897a979f99 (patch) | |
tree | f90eb4f1aa5a1a21bd868aaa70073cc103a34a0d /libmpdvdkit2 | |
parent | 86b7ea518ba55aec64654bd6c472bcbe4869a84f (diff) | |
download | mpv-75e28d06f8b7678bb68699c568051f897a979f99.tar.bz2 mpv-75e28d06f8b7678bb68699c568051f897a979f99.tar.xz |
importing libdvdread 0.9.3 files
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7030 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpdvdkit2')
-rw-r--r-- | libmpdvdkit2/bswap.h | 87 | ||||
-rw-r--r-- | libmpdvdkit2/dvd_input.c | 318 | ||||
-rw-r--r-- | libmpdvdkit2/dvd_input.h | 51 | ||||
-rw-r--r-- | libmpdvdkit2/dvd_reader.c | 898 | ||||
-rw-r--r-- | libmpdvdkit2/dvd_reader.h | 151 | ||||
-rw-r--r-- | libmpdvdkit2/dvd_udf.c | 494 | ||||
-rw-r--r-- | libmpdvdkit2/dvd_udf.h | 53 | ||||
-rw-r--r-- | libmpdvdkit2/ifo_print.c | 1049 | ||||
-rw-r--r-- | libmpdvdkit2/ifo_print.h | 58 | ||||
-rw-r--r-- | libmpdvdkit2/ifo_read.c | 1798 | ||||
-rw-r--r-- | libmpdvdkit2/ifo_read.h | 217 | ||||
-rw-r--r-- | libmpdvdkit2/ifo_types.h | 747 | ||||
-rw-r--r-- | libmpdvdkit2/nav_print.c | 279 | ||||
-rw-r--r-- | libmpdvdkit2/nav_print.h | 42 | ||||
-rw-r--r-- | libmpdvdkit2/nav_read.c | 186 | ||||
-rw-r--r-- | libmpdvdkit2/nav_read.h | 41 | ||||
-rw-r--r-- | libmpdvdkit2/nav_types.h | 288 |
17 files changed, 6757 insertions, 0 deletions
diff --git a/libmpdvdkit2/bswap.h b/libmpdvdkit2/bswap.h new file mode 100644 index 0000000000..dd7417059a --- /dev/null +++ b/libmpdvdkit2/bswap.h @@ -0,0 +1,87 @@ +#ifndef BSWAP_H_INCLUDED +#define BSWAP_H_INCLUDED + +/* + * Copyright (C) 2000, 2001 Billy Biggs <vektor@dumbterm.net>, + * Håkan 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 <config.h> + +#if defined(WORDS_BIGENDIAN) +/* All bigendian systems are fine, just ignore the swaps. */ +#define B2N_16(x) (void)(x) +#define B2N_32(x) (void)(x) +#define B2N_64(x) (void)(x) + +#else + +#if defined(__linux__) +#include <byteswap.h> +#define B2N_16(x) x = bswap_16(x) +#define B2N_32(x) x = bswap_32(x) +#define B2N_64(x) x = bswap_64(x) + +#elif defined(__NetBSD__) +#include <sys/endian.h> +#define B2N_16(x) BE16TOH(x) +#define B2N_32(x) BE32TOH(x) +#define B2N_64(x) BE64TOH(x) + +#elif defined(__OpenBSD__) +#include <sys/endian.h> +#define B2N_16(x) x = swap16(x) +#define B2N_32(x) x = swap32(x) +#define B2N_64(x) x = swap64(x) + +/* This is a slow but portable implementation, it has multiple evaluation + * problems so beware. + * FreeBSD and Solaris don't have <byteswap.h> or any other such + * functionality! + */ + +#elif defined(__FreeBSD__) || defined(__sun) || defined(__bsdi__) +#define B2N_16(x) \ + x = ((((x) & 0xff00) >> 8) | \ + (((x) & 0x00ff) << 8)) +#define B2N_32(x) \ + x = ((((x) & 0xff000000) >> 24) | \ + (((x) & 0x00ff0000) >> 8) | \ + (((x) & 0x0000ff00) << 8) | \ + (((x) & 0x000000ff) << 24)) +#define B2N_64(x) \ + x = ((((x) & 0xff00000000000000) >> 56) | \ + (((x) & 0x00ff000000000000) >> 40) | \ + (((x) & 0x0000ff0000000000) >> 24) | \ + (((x) & 0x000000ff00000000) >> 8) | \ + (((x) & 0x00000000ff000000) << 8) | \ + (((x) & 0x0000000000ff0000) << 24) | \ + (((x) & 0x000000000000ff00) << 40) | \ + (((x) & 0x00000000000000ff) << 56)) + +#else + +/* If there isn't a header provided with your system with this functionality + * add the relevant || define( ) to the portable implementation above. + */ +#error "You need to add endian swap macros for you're system" + +#endif + +#endif /* WORDS_BIGENDIAN */ + +#endif /* BSWAP_H_INCLUDED */ diff --git a/libmpdvdkit2/dvd_input.c b/libmpdvdkit2/dvd_input.c new file mode 100644 index 0000000000..c2d788fdb2 --- /dev/null +++ b/libmpdvdkit2/dvd_input.c @@ -0,0 +1,318 @@ +/* + * Copyright (C) 2002 Samuel Hocevar <sam@zoy.org>, + * Håkan 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, USA. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> +#include <unistd.h> +#include <dlfcn.h> + +#include "dvd_reader.h" +#include "dvd_input.h" + +/* For libdvdcss */ +typedef struct dvdcss_s *dvdcss_handle; + +dvdcss_handle (*DVDcss_open) (const char *); +int (*DVDcss_close) (dvdcss_handle); +int (*DVDcss_seek) (dvdcss_handle, int, int); +int (*DVDcss_title) (dvdcss_handle, int); +int (*DVDcss_read) (dvdcss_handle, void *, int, int); +char * (*DVDcss_error) (dvdcss_handle); + + +/* The DVDinput handle, add stuff here for new input methods. */ +struct dvd_input_s { + /* libdvdcss handle */ + dvdcss_handle dvdcss; + + /* dummy file input */ + int fd; +}; + + +/** + * initialize and open a DVD device or file. + */ +static dvd_input_t css_open(const char *target) +{ + dvd_input_t dev; + + /* Allocate the handle structure */ + dev = (dvd_input_t) malloc(sizeof(dvd_input_t)); + if(dev == NULL) { + fprintf(stderr, "libdvdread: Could not allocate memory.\n"); + return NULL; + } + + /* Really open it with libdvdcss */ + dev->dvdcss = DVDcss_open(target); + if(dev->dvdcss == 0) { + fprintf(stderr, "libdvdread: Could not open device with libdvdcss.\n"); + free(dev); + return NULL; + } + + return dev; +} + +/** + * return the last error message + */ +static char *css_error(dvd_input_t dev) +{ + return DVDcss_error(dev->dvdcss); +} + +/** + * seek into the device. + */ +static int css_seek(dvd_input_t dev, int blocks, int flags) +{ + return DVDcss_seek(dev->dvdcss, blocks, flags); +} + +/** + * set the block for the begining of a new title (key). + */ +static int css_title(dvd_input_t dev, int block) +{ + return DVDcss_title(dev->dvdcss, block); +} + +/** + * read data from the device. + */ +static int css_read(dvd_input_t dev, void *buffer, int blocks, int flags) +{ + return DVDcss_read(dev->dvdcss, buffer, blocks, flags); +} + +/** + * close the DVD device and clean up the library. + */ +static int css_close(dvd_input_t dev) +{ + int ret; + + ret = DVDcss_close(dev->dvdcss); + + if(ret < 0) + return ret; + + free(dev); + + return 0; +} + + + + + + +/** + * initialize and open a DVD device or file. + */ +static dvd_input_t file_open(const char *target) +{ + dvd_input_t dev; + + /* Allocate the library structure */ + dev = (dvd_input_t) malloc(sizeof(dvd_input_t)); + if(dev == NULL) { + fprintf(stderr, "libdvdread: Could not allocate memory.\n"); + return NULL; + } + + /* Open the device */ + dev->fd = open(target, O_RDONLY); + if(dev->fd < 0) { + perror("libdvdread: Could not open input"); + free(dev); + return NULL; + } + + return dev; +} + +/** + * return the last error message + */ +static char *file_error(dvd_input_t dev) +{ + /* use strerror(errno)? */ + return "unknown error"; +} + +/** + * seek into the device. + */ +static int file_seek(dvd_input_t dev, int blocks, int flags) +{ + off_t pos; + + pos = lseek(dev->fd, (off_t)blocks * (off_t)DVD_VIDEO_LB_LEN, SEEK_SET); + if(pos < 0) { + return pos; + } + /* assert pos % DVD_VIDEO_LB_LEN == 0 */ + return (int) (pos / DVD_VIDEO_LB_LEN); +} + +/** + * set the block for the begining of a new title (key). + */ +static int file_title(dvd_input_t dev, int block) +{ + return -1; +} + +/** + * read data from the device. + */ +static int file_read(dvd_input_t dev, void *buffer, int blocks, int flags) +{ + size_t len; + ssize_t ret; + + len = (size_t)blocks * DVD_VIDEO_LB_LEN; + + while(len > 0) { + + ret = read(dev->fd, buffer, len); + + if(ret < 0) { + /* One of the reads failed, too bad. We won't even bother + * returning the reads that went ok, and as in the posix spec + * the file postition is left unspecified after a failure. */ + return ret; + } + + if(ret == 0) { + /* Nothing more to read. Return the whole blocks, if any, that we got. + and adjust the file possition back to the previous block boundary. */ + size_t bytes = (size_t)blocks * DVD_VIDEO_LB_LEN - len; + off_t over_read = -(bytes % DVD_VIDEO_LB_LEN); + /*off_t pos =*/ lseek(dev->fd, over_read, SEEK_CUR); + /* should have pos % 2048 == 0 */ + return (int) (bytes / DVD_VIDEO_LB_LEN); + } + + len -= ret; + } + + return blocks; +} + +/** + * close the DVD device and clean up. + */ +static int file_close(dvd_input_t dev) +{ + int ret; + + ret = close(dev->fd); + + if(ret < 0) + return ret; + + free(dev); + + return 0; +} + + +/** + * Setup read functions with either libdvdcss or minimal DVD access. + */ +int DVDInputSetup(void) +{ + void *dvdcss_library = NULL; + char **dvdcss_version = NULL; + + dvdcss_library = dlopen("libdvdcss.so.2", RTLD_LAZY); + + if(dvdcss_library != NULL) { +#if defined(__OpenBSD__) && !defined(__ELF__) +#define U_S "_" +#else +#define U_S +#endif + DVDcss_open = (dvdcss_handle (*)(const char*)) + dlsym(dvdcss_library, U_S "dvdcss_open"); + DVDcss_close = (int (*)(dvdcss_handle)) + dlsym(dvdcss_library, U_S "dvdcss_close"); + DVDcss_title = (int (*)(dvdcss_handle, int)) + dlsym(dvdcss_library, U_S "dvdcss_title"); + DVDcss_seek = (int (*)(dvdcss_handle, int, int)) + dlsym(dvdcss_library, U_S "dvdcss_seek"); + DVDcss_read = (int (*)(dvdcss_handle, void*, int, int)) + dlsym(dvdcss_library, U_S "dvdcss_read"); + DVDcss_error = (char* (*)(dvdcss_handle)) + dlsym(dvdcss_library, U_S "dvdcss_error"); + + dvdcss_version = (char **)dlsym(dvdcss_library, U_S "dvdcss_interface_2"); + + if(dlsym(dvdcss_library, U_S "dvdcss_crack")) { + fprintf(stderr, + "libdvdread: Old (pre-0.0.2) version of libdvdcss found.\n" + "libdvdread: You should get the latest version from " + "http://www.videolan.org/\n" ); + dlclose(dvdcss_library); + dvdcss_library = NULL; + } else if(!DVDcss_open || !DVDcss_close || !DVDcss_title || !DVDcss_seek + || !DVDcss_read || !DVDcss_error || !dvdcss_version) { + fprintf(stderr, "libdvdread: Missing symbols in libdvdcss.so.2, " + "this shouldn't happen !\n"); + dlclose(dvdcss_library); + } + } + + if(dvdcss_library != NULL) { + /* + char *psz_method = getenv( "DVDCSS_METHOD" ); + char *psz_verbose = getenv( "DVDCSS_VERBOSE" ); + fprintf(stderr, "DVDCSS_METHOD %s\n", psz_method); + fprintf(stderr, "DVDCSS_VERBOSE %s\n", psz_verbose); + */ + fprintf(stderr, "libdvdread: Using libdvdcss version %s for DVD access\n", + *dvdcss_version); + + /* libdvdcss wraper functions */ + DVDinput_open = css_open; + DVDinput_close = css_close; + DVDinput_seek = css_seek; + DVDinput_title = css_title; + DVDinput_read = css_read; + DVDinput_error = css_error; + return 1; + + } else { + fprintf(stderr, "libdvdread: Encrypted DVD support unavailable.\n"); + + /* libdvdcss replacement functions */ + DVDinput_open = file_open; + DVDinput_close = file_close; + DVDinput_seek = file_seek; + DVDinput_title = file_title; + DVDinput_read = file_read; + DVDinput_error = file_error; + return 0; + } +} diff --git a/libmpdvdkit2/dvd_input.h b/libmpdvdkit2/dvd_input.h new file mode 100644 index 0000000000..638d60aebf --- /dev/null +++ b/libmpdvdkit2/dvd_input.h @@ -0,0 +1,51 @@ +#ifndef DVD_INPUT_H_INCLUDED +#define DVD_INPUT_H_INCLUDED + +/* + * Copyright (C) 2001, 2002 Samuel Hocevar <sam@zoy.org>, + * Håkan 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, USA. + */ + +/** + * Defines and flags. Make sure they fit the libdvdcss API! + */ +#define DVDINPUT_NOFLAGS 0 + +#define DVDINPUT_READ_DECRYPT (1 << 0) + +#define DVDINPUT_SEEK_MPEG (1 << 0) +#define DVDINPUT_SEEK_KEY (1 << 1) + + +typedef struct dvd_input_s *dvd_input_t; + +/** + * Pointers which will be filled either the input meathods functions. + */ +dvd_input_t (*DVDinput_open) (const char *); +int (*DVDinput_close) (dvd_input_t); +int (*DVDinput_seek) (dvd_input_t, int, int); +int (*DVDinput_title) (dvd_input_t, int); +int (*DVDinput_read) (dvd_input_t, void *, int, int); +char * (*DVDinput_error) (dvd_input_t); + +/** + * Setup function accessed by dvd_reader.c. Returns 1 if there is CSS support. + */ +int DVDInputSetup(void); + +#endif /* DVD_INPUT_H_INCLUDED */ diff --git a/libmpdvdkit2/dvd_reader.c b/libmpdvdkit2/dvd_reader.c new file mode 100644 index 0000000000..b296a49de3 --- /dev/null +++ b/libmpdvdkit2/dvd_reader.c @@ -0,0 +1,898 @@ +/* + * Copyright (C) 2001, 2002 Billy Biggs <vektor@dumbterm.net>, + * Håkan 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, USA. + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/time.h> /* For the timing of dvdcss_title crack. */ +#include <fcntl.h> +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> +#include <string.h> +#include <unistd.h> +#include <limits.h> +#include <dirent.h> + +#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__bsdi__)|| defined(__DARWIN__) +#define SYS_BSD 1 +#endif + +#if defined(__sun) +#include <sys/mnttab.h> +#elif defined(SYS_BSD) +#include <fstab.h> +#elif defined(__linux__) +#include <mntent.h> +#endif + +#include "dvd_udf.h" +#include "dvd_input.h" +#include "dvd_reader.h" + +struct dvd_reader_s { + /* Basic information. */ + int isImageFile; + + /* Hack for keeping track of the css status. + * 0: no css, 1: perhaps (need init of keys), 2: have done init */ + int css_state; + int css_title; /* Last title that we have called DVDinpute_title for. */ + + /* Information required for an image file. */ + dvd_input_t dev; + + /* Information required for a directory path drive. */ + char *path_root; +}; + +struct dvd_file_s { + /* Basic information. */ + dvd_reader_t *dvd; + + /* Hack for selecting the right css title. */ + int css_title; + + /* Information required for an image file. */ + uint32_t lb_start; + uint32_t seek_pos; + + /* Information required for a directory path drive. */ + size_t title_sizes[ 9 ]; + dvd_input_t title_devs[ 9 ]; + + /* Calculated at open-time, size in blocks. */ + ssize_t filesize; +}; + +/* Loop over all titles and call dvdcss_title to crack the keys. */ +static int initAllCSSKeys( dvd_reader_t *dvd ) +{ + struct timeval all_s, all_e; + struct timeval t_s, t_e; + char filename[ MAX_UDF_FILE_NAME_LEN ]; + uint32_t start, len; + int title; + + fprintf( stderr, "\n" ); + fprintf( stderr, "libdvdread: Attempting to retrieve all CSS keys\n" ); + fprintf( stderr, "libdvdread: This can take a _long_ time, " + "please be patient\n\n" ); + + gettimeofday(&all_s, NULL); + + for( title = 0; title < 100; title++ ) { + gettimeofday( &t_s, NULL ); + if( title == 0 ) { + sprintf( filename, "/VIDEO_TS/VIDEO_TS.VOB" ); + } else { + sprintf( filename, "/VIDEO_TS/VTS_%02d_%d.VOB", title, 0 ); + } + start = UDFFindFile( dvd, filename, &len ); + if( start != 0 && len != 0 ) { + /* Perform CSS key cracking for this title. */ + fprintf( stderr, "libdvdread: Get key for %s at 0x%08x\n", + filename, start ); + if( DVDinput_title( dvd->dev, (int)start ) < 0 ) { + fprintf( stderr, "libdvdread: Error cracking CSS key for %s (0x%08x)\n", filename, start); + } + gettimeofday( &t_e, NULL ); + fprintf( stderr, "libdvdread: Elapsed time %ld\n", + (long int) t_e.tv_sec - t_s.tv_sec ); + } + + if( title == 0 ) continue; + + gettimeofday( &t_s, NULL ); + sprintf( filename, "/VIDEO_TS/VTS_%02d_%d.VOB", title, 1 ); + start = UDFFindFile( dvd, filename, &len ); + if( start == 0 || len == 0 ) break; + + /* Perform CSS key cracking for this title. */ + fprintf( stderr, "libdvdread: Get key for %s at 0x%08x\n", + filename, start ); + if( DVDinput_title( dvd->dev, (int)start ) < 0 ) { + fprintf( stderr, "libdvdread: Error cracking CSS key for %s (0x%08x)!!\n", filename, start); + } + gettimeofday( &t_e, NULL ); + fprintf( stderr, "libdvdread: Elapsed time %ld\n", + (long int) t_e.tv_sec - t_s.tv_sec ); + } + title--; + + fprintf( stderr, "libdvdread: Found %d VTS's\n", title ); + gettimeofday(&all_e, NULL); + fprintf( stderr, "libdvdread: Elapsed time %ld\n", + (long int) all_e.tv_sec - all_s.tv_sec ); + + return 0; +} + + + +/** + * Open a DVD image or block device file. + */ +static dvd_reader_t *DVDOpenImageFile( const char *location, int have_css ) +{ + dvd_reader_t *dvd; + dvd_input_t dev; + + dev = DVDinput_open( location ); + if( !dev ) { + fprintf( stderr, "libdvdread: Can't open %s for reading\n", location ); + return 0; + } + + dvd = (dvd_reader_t *) malloc( sizeof( dvd_reader_t ) ); + if( !dvd ) return 0; + dvd->isImageFile = 1; + dvd->dev = dev; + dvd->path_root = 0; + + if( have_css ) { + /* Only if DVDCSS_METHOD = title, a bit if it's disc or if + * DVDCSS_METHOD = key but region missmatch. Unfortunaly we + * don't have that information. */ + + dvd->css_state = 1; /* Need key init. */ + } + + return dvd; +} + +static dvd_reader_t *DVDOpenPath( const char *path_root ) +{ + dvd_reader_t *dvd; + + dvd = (dvd_reader_t *) malloc( sizeof( dvd_reader_t ) ); + if( !dvd ) return 0; + dvd->isImageFile = 0; + dvd->dev = 0; + dvd->path_root = strdup( path_root ); + + return dvd; +} + +#if defined(__sun) +/* /dev/rdsk/c0t6d0s0 (link to /devices/...) + /vol/dev/rdsk/c0t6d0/?? + /vol/rdsk/<name> */ +static char *sun_block2char( const char *path ) +{ + char *new_path; + + /* Must contain "/dsk/" */ + if( !strstr( path, "/dsk/" ) ) return (char *) strdup( path ); + + /* Replace "/dsk/" with "/rdsk/" */ + new_path = malloc( strlen(path) + 2 ); + strcpy( new_path, path ); + strcpy( strstr( new_path, "/dsk/" ), "" ); + strcat( new_path, "/rdsk/" ); + strcat( new_path, strstr( path, "/dsk/" ) + strlen( "/dsk/" ) ); + + return new_path; +} +#endif + +#if defined(SYS_BSD) +/* FreeBSD /dev/(r)(a)cd0c (a is for atapi), recomended to _not_ use r + OpenBSD /dev/rcd0c, it needs to be the raw device + NetBSD /dev/rcd0[d|c|..] d for x86, c (for non x86), perhaps others + Darwin /dev/rdisk0, it needs to be the raw device + BSD/OS /dev/sr0c (if not mounted) or /dev/rsr0c ('c' any letter will do) */ +static char *bsd_block2char( const char *path ) +{ + char *new_path; + + /* If it doesn't start with "/dev/" or does start with "/dev/r" exit */ + if( !strncmp( path, "/dev/", 5 ) || strncmp( path, "/dev/r", 6 ) ) + return (char *) strdup( path ); + + /* Replace "/dev/" with "/dev/r" */ + new_path = malloc( strlen(path) + 2 ); + strcpy( new_path, "/dev/r" ); + strcat( new_path, path + strlen( "/dev/" ) ); + + return new_path; +} +#endif + +dvd_reader_t *DVDOpen( const char *path ) +{ + struct stat fileinfo; + int ret, have_css; + char *dev_name = 0; + + if( !path ) return 0; + + ret = stat( path, &fileinfo ); + if( ret < 0 ) { + /* If we can't stat the file, give up */ + fprintf( stderr, "libdvdread: Can't stat %s\n", path ); + perror(""); + return 0; + } + + /* Try to open libdvdcss or fall back to standard functions */ + have_css = DVDInputSetup(); + + /* First check if this is a block/char device or a file*/ + if( S_ISBLK( fileinfo.st_mode ) || + S_ISCHR( fileinfo.st_mode ) || + S_ISREG( fileinfo.st_mode ) ) { + + /** + * Block devices and regular files are assumed to be DVD-Video images. + */ +#if defined(__sun) + return DVDOpenImageFile( sun_block2char( path ), have_css ); +#elif defined(SYS_BSD) + return DVDOpenImageFile( bsd_block2char( path ), have_css ); +#else + return DVDOpenImageFile( path, have_css ); +#endif + + } else if( S_ISDIR( fileinfo.st_mode ) ) { + dvd_reader_t *auth_drive = 0; + char *path_copy; +#if defined(SYS_BSD) + struct fstab* fe; +#elif defined(__sun) || defined(__linux__) + FILE *mntfile; +#endif + + /* XXX: We should scream real loud here. */ + if( !(path_copy = strdup( path ) ) ) return 0; + + /* Resolve any symlinks and get the absolut dir name. */ + { + char *new_path; + int cdir = open( ".", O_RDONLY ); + + if( cdir >= 0 ) { + chdir( path_copy ); + new_path = getcwd( NULL, PATH_MAX ); + fchdir( cdir ); + close( cdir ); + if( new_path ) { + free( path_copy ); + path_copy = new_path; + } + } + } + + /** + * If we're being asked to open a directory, check if that directory + * is the mountpoint for a DVD-ROM which we can use instead. + */ + + if( strlen( path_copy ) > 1 ) { + if( path_copy[ strlen( path_copy ) - 1 ] == '/' ) + path_copy[ strlen( path_copy ) - 1 ] = '\0'; + } + + if( strlen( path_copy ) > 9 ) { + if( !strcasecmp( &(path_copy[ strlen( path_copy ) - 9 ]), + "/video_ts" ) ) { + path_copy[ strlen( path_copy ) - 9 ] = '\0'; + } + } + +#if defined(SYS_BSD) + if( ( fe = getfsfile( path_copy ) ) ) { + dev_name = bsd_block2char( fe->fs_spec ); + fprintf( stderr, + "libdvdread: Attempting to use device %s" + " mounted on %s for CSS authentication\n", + dev_name, + fe->fs_file ); + auth_drive = DVDOpenImageFile( dev_name, have_css ); + } +#elif defined(__sun) + mntfile = fopen( MNTTAB, "r" ); + if( mntfile ) { + struct mnttab mp; + int res; + + while( ( res = getmntent( mntfile, &mp ) ) != -1 ) { + if( res == 0 && !strcmp( mp.mnt_mountp, path_copy ) ) { + dev_name = sun_block2char( mp.mnt_special ); + fprintf( stderr, + "libdvdread: Attempting to use device %s" + " mounted on %s for CSS authentication\n", + dev_name, + mp.mnt_mountp ); + auth_drive = DVDOpenImageFile( dev_name, have_css ); + break; + } + } + fclose( mntfile ); + } +#elif defined(__linux__) + mntfile = fopen( MOUNTED, "r" ); + if( mntfile ) { + struct mntent *me; + + while( ( me = getmntent( mntfile ) ) ) { + if( !strcmp( me->mnt_dir, path_copy ) ) { + fprintf( stderr, + "libdvdread: Attempting to use device %s" + " mounted on %s for CSS authentication\n", + me->mnt_fsname, + me->mnt_dir ); + auth_drive = DVDOpenImageFile( me->mnt_fsname, have_css ); + dev_name = strdup(me->mnt_fsname); + break; + } + } + fclose( mntfile ); + } +#endif + if( !dev_name ) { + fprintf( stderr, "libdvdread: Couldn't find device name.\n" ); + } else if( !auth_drive ) { + fprintf( stderr, "libdvdread: Device %s inaccessible, " + "CSS authentication not available.\n", dev_name ); + } + + free( dev_name ); + free( path_copy ); + + /** + * If we've opened a drive, just use that. + */ + if( auth_drive ) return auth_drive; + + /** + * Otherwise, we now try to open the directory tree instead. + */ + return DVDOpenPath( path ); + } + + /* If it's none of the above, screw it. */ + fprintf( stderr, "libdvdread: Could not open %s\n", path ); + return 0; +} + +void DVDClose( dvd_reader_t *dvd ) +{ + if( dvd ) { + if( dvd->dev ) DVDinput_close( dvd->dev ); + if( dvd->path_root ) free( dvd->path_root ); + free( dvd ); + dvd = 0; + } +} + +/** + * Open an unencrypted file on a DVD image file. + */ +static dvd_file_t *DVDOpenFileUDF( dvd_reader_t *dvd, char *filename ) +{ + uint32_t start, len; + dvd_file_t *dvd_file; + + start = UDFFindFile( dvd, filename, &len ); + if( !start ) return 0; + + dvd_file = (dvd_file_t *) malloc( sizeof( dvd_file_t ) ); + if( !dvd_file ) return 0; + dvd_file->dvd = dvd; + dvd_file->lb_start = start; + dvd_file->seek_pos = 0; + memset( dvd_file->title_sizes, 0, sizeof( dvd_file->title_sizes ) ); + memset( dvd_file->title_devs, 0, sizeof( dvd_file->title_devs ) ); + dvd_file->filesize = len / DVD_VIDEO_LB_LEN; + + return dvd_file; +} + +/** + * Searches for <file> in directory <path>, ignoring case. + * Returns 0 and full filename in <filename>. + * or -1 on file not found. + * or -2 on path not found. + */ +static int findDirFile( const char *path, const char *file, char *filename ) +{ + DIR *dir; + struct dirent *ent; + + dir = opendir( path ); + if( !dir ) return -2; + + while( ( ent = readdir( dir ) ) != NULL ) { + if( !strcasecmp( ent->d_name, file ) ) { + sprintf( filename, "%s%s%s", path, + ( ( path[ strlen( path ) - 1 ] == '/' ) ? "" : "/" ), + ent->d_name ); + return 0; + } + } + + return -1; +} + +static int findDVDFile( dvd_reader_t *dvd, const char *file, char *filename ) +{ + char video_path[ PATH_MAX + 1 ]; + const char *nodirfile; + int ret; + + /* Strip off the directory for our search */ + if( !strncasecmp( "/VIDEO_TS/", file, 10 ) ) { + nodirfile = &(file[ 10 ]); + } else { + nodirfile = file; + } + + ret = findDirFile( dvd->path_root, nodirfile, filename ); + if( ret < 0 ) { + /* Try also with adding the path, just in case. */ + sprintf( video_path, "%s/VIDEO_TS/", dvd->path_root ); + ret = findDirFile( video_path, nodirfile, filename ); + if( ret < 0 ) { + /* Try with the path, but in lower case. */ + sprintf( video_path, "%s/video_ts/", dvd->path_root ); + ret = findDirFile( video_path, nodirfile, filename ); + if( ret < 0 ) { + return 0; + } + } + } + + return 1; +} + +/** + * Open an unencrypted file from a DVD directory tree. + */ +static dvd_file_t *DVDOpenFilePath( dvd_reader_t *dvd, char *filename ) +{ + char full_path[ PATH_MAX + 1 ]; + dvd_file_t *dvd_file; + struct stat fileinfo; + dvd_input_t dev; + + /* Get the full path of the file. */ + if( !findDVDFile( dvd, filename, full_path ) ) return 0; + + dev = DVDinput_open( full_path ); + if( !dev ) return 0; + + dvd_file = (dvd_file_t *) malloc( sizeof( dvd |