diff options
Diffstat (limited to 'libdvdread/dvd_reader.c')
-rw-r--r-- | libdvdread/dvd_reader.c | 1612 |
1 files changed, 0 insertions, 1612 deletions
diff --git a/libdvdread/dvd_reader.c b/libdvdread/dvd_reader.c deleted file mode 100644 index 6e75b27693..0000000000 --- a/libdvdread/dvd_reader.c +++ /dev/null @@ -1,1612 +0,0 @@ -/* -*- c-basic-offset: 2; indent-tabs-mode: nil -*- */ -/* - * Copyright (C) 2001, 2002, 2003 Billy Biggs <vektor@dumbterm.net>, - * Håkan Hjort <d95hjort@dtek.chalmers.se>, - * Björn Englund <d4bjorn@dtek.chalmers.se> - * - * Modified for use with MPlayer, changes contained in libdvdread_changes.diff. - * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/ - * $Id$ - * - * 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 "config.h" - -#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__) || defined(__DragonFly__) -#define SYS_BSD 1 -#endif - -#if defined(__sun) -#include <sys/mnttab.h> -#elif defined(hpux) -#include </usr/conf/h/mnttab.h> -#elif defined(SYS_BSD) -#include <fstab.h> -#elif defined(__linux__) || defined(__CYGWIN__) -#include <mntent.h> -#endif - -#include "dvd_reader.h" -#include "dvd_input.h" -#include "dvd_udf.h" -#include "md5.h" - -#include "dvdread_internal.h" - -#define DEFAULT_UDF_CACHE_LEVEL 0 - -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; - - /* Filesystem cache */ - int udfcache_level; /* 0 - turned off, 1 - on */ - void *udfcache; - - /* block aligned malloc */ - void *align; - - /* error message verbosity level */ - int verbose; -}; - -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; -}; - - -#define DVDREAD_VERBOSE_DEFAULT 0 - -int get_verbose(void) -{ - char *dvdread_verbose; - int verbose; - - dvdread_verbose = getenv("DVDREAD_VERBOSE"); - if(dvdread_verbose) { - verbose = (int)strtol(dvdread_verbose, NULL, 0); - } else { - verbose = DVDREAD_VERBOSE_DEFAULT; - } - return verbose; -} - -int dvdread_verbose(dvd_reader_t *dvd) -{ - return dvd->verbose; -} - -dvd_reader_t *device_of_file(dvd_file_t *file) -{ - return file->dvd; -} - -/** - * Returns the compiled version. (DVDREAD_VERSION as an int) - */ -int DVDVersion(void) -{ - return DVDREAD_VERSION; -} - - -/** - * Set the level of caching on udf - * level = 0 (no caching) - * level = 1 (caching filesystem info) - */ -int DVDUDFCacheLevel(dvd_reader_t *device, int level) -{ - struct dvd_reader_s *dev = (struct dvd_reader_s *)device; - - if(level > 0) { - level = 1; - } else if(level < 0) { - return dev->udfcache_level; - } - - dev->udfcache_level = level; - - return level; -} - -void *GetUDFCacheHandle(dvd_reader_t *device) -{ - struct dvd_reader_s *dev = (struct dvd_reader_s *)device; - - return dev->udfcache; -} - -void SetUDFCacheHandle(dvd_reader_t *device, void *cache) -{ - struct dvd_reader_s *dev = (struct dvd_reader_s *)device; - - dev->udfcache = cache; -} - -void *GetAlignHandle(dvd_reader_t *device) -{ - struct dvd_reader_s *dev = (struct dvd_reader_s *)device; - - return dev->align; -} - -void SetAlignHandle(dvd_reader_t *device, void *align) -{ - struct dvd_reader_s *dev = (struct dvd_reader_s *)device; - - dev->align = align; -} - - -/* 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; - - char *nokeys_str = getenv("DVDREAD_NOKEYS"); - if(nokeys_str != NULL) - return 0; - - if(dvd->verbose >= 1) { - 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. */ - if(dvd->verbose >= 1) { - fprintf( stderr, "libdvdread: Get key for %s at 0x%08x\n", - filename, start ); - } - if( dvdinput_title( dvd->dev, (int)start ) < 0 ) { - if(dvd->verbose >= 0) { - fprintf( stderr, "libdvdread: Error cracking CSS key for %s (0x%08x)\n", filename, start); - } - } - gettimeofday( &t_e, NULL ); - if(dvd->verbose >= 1) { - 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. */ - if(dvd->verbose >= 1) { - fprintf( stderr, "libdvdread: Get key for %s at 0x%08x\n", - filename, start ); - } - if( dvdinput_title( dvd->dev, (int)start ) < 0 ) { - if(dvd->verbose >= 0) { - fprintf( stderr, "libdvdread: Error cracking CSS key for %s (0x%08x)!!\n", filename, start); - } - } - gettimeofday( &t_e, NULL ); - if(dvd->verbose >= 1) { - fprintf( stderr, "libdvdread: Elapsed time %ld\n", - (long int) t_e.tv_sec - t_s.tv_sec ); - } - } - title--; - - if(dvd->verbose >= 1) { - fprintf( stderr, "libdvdread: Found %d VTS's\n", title ); - } - gettimeofday(&all_e, NULL); - if(dvd->verbose >= 1) { - 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. - * Checks if the root directory in the udf image file can be found. - * If not it assumes this isn't a valid udf image and returns NULL - */ -static dvd_reader_t *DVDOpenImageFile( const char *location, int have_css ) -{ - dvd_reader_t *dvd; - dvd_input_t dev; - int verbose; - - verbose = get_verbose(); - - dev = dvdinput_open( location ); - if( !dev ) { - if(verbose >= 1) { - fprintf( stderr, "libdvdread: Can't open '%s' for reading: %s\n", - location, strerror(errno)); - } - return NULL; - } - - dvd = (dvd_reader_t *) malloc( sizeof( dvd_reader_t ) ); - if( !dvd ) { - int tmp_errno = errno; - dvdinput_close(dev); - errno = tmp_errno; - return NULL; - } - dvd->verbose = verbose; - dvd->isImageFile = 1; - dvd->dev = dev; - dvd->path_root = NULL; - - dvd->udfcache_level = DEFAULT_UDF_CACHE_LEVEL; - dvd->udfcache = NULL; - - dvd->align = NULL; - - 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. */ - } - dvd->css_title = 0; - - /* sanity check, is it a valid UDF image, can we find the root dir */ - if(!UDFFindFile(dvd, "/", NULL)) { - dvdinput_close(dvd->dev); - if(dvd->udfcache) { - FreeUDFCache(dvd, dvd->udfcache); - } - if(dvd->align) { - if(dvd->verbose >= 0) { - fprintf(stderr, "libdvdread: DVDOpenImageFile(): Memory leak in align functions 1\n"); - } - } - free(dvd); - return NULL; - } - 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 NULL; - } - dvd->verbose = get_verbose(); - dvd->isImageFile = 0; - dvd->dev = 0; - dvd->path_root = strdup( path_root ); - if(!dvd->path_root) { - free(dvd); - return 0; - } - dvd->udfcache_level = DEFAULT_UDF_CACHE_LEVEL; - dvd->udfcache = NULL; - - dvd->align = NULL; - - dvd->css_state = 0; /* Only used in the UDF path */ - dvd->css_title = 0; /* Only matters in the UDF path */ - - 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 - update: FreeBSD and DragonFly no longer uses the prefix so don't add it. - - 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) - - returns a string allocated with strdup which should be free()'d when - no longer used. -*/ -static char *bsd_block2char( const char *path ) -{ -#if defined(__FreeBSD__) || defined(__DragonFly__) - return (char *) strdup( path ); -#else - 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 /* __FreeBSD__ || __DragonFly__ */ -} -#endif - - -dvd_reader_t *DVDOpen( const char *path ) -{ - struct stat fileinfo; - int ret, have_css; - char *dev_name = NULL; - int internal_errno = 0; - int verbose; - - if( path == NULL ) { - errno = EINVAL; - return NULL; - } - - verbose = get_verbose(); - -#if defined(__CYGWIN__) || defined(__MINGW32__) - /* Stat doesn't work on devices under mingwin/cygwin. */ - if( path[0] && path[1] == ':' && path[2] == '\0' ) - { - /* Don't try to stat the file */ - fileinfo.st_mode = S_IFBLK; - } - else -#endif - { - ret = stat( path, &fileinfo ); - if( ret < 0 ) { - int tmp_errno = errno; - /* If we can't stat the file, give up */ - if(verbose >= 1) { - fprintf( stderr, "libdvdread: Can't stat '%s': %s\n", - path, strerror(errno)); - } - errno = tmp_errno; - return NULL; - } - } - - /* Try to open libdvdcss or fall back to standard functions */ - have_css = dvdinput_setup(); - - /* 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. - */ - dvd_reader_t *dvd = NULL; -#if defined(__sun) - dev_name = sun_block2char( path ); -#elif defined(SYS_BSD) - dev_name = bsd_block2char( path ); -#else - dev_name = strdup( path ); -#endif - dvd = DVDOpenImageFile( dev_name, have_css ); - free( dev_name ); - - return dvd; - } 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__) || defined(__CYGWIN__) - FILE *mntfile; -#endif - - /* XXX: We should scream real loud here. */ - if( !(path_copy = strdup( path ) ) ) return 0; - -/* don't have fchdir, and getcwd( NULL, ... ) is strange */ -#if !(defined(__CYGWIN__) || defined(__MINGW32__)) - /* Resolve any symlinks and get the absolut dir name. */ - { - char *new_path; - char *current_path; - - current_path = malloc(PATH_MAX); - if(current_path) { - if(!getcwd(current_path, PATH_MAX)) { - free(current_path); - current_path = NULL; - } - } - if(current_path) { - chdir( path_copy ); - new_path = malloc(PATH_MAX); - if(new_path) { - if(!getcwd(new_path, PATH_MAX )) { - free(new_path); - new_path = NULL; - } - } - - chdir(current_path); - free(current_path); - if( new_path ) { - free( path_copy ); - path_copy = new_path; - } - } - } -#endif - - /** - * 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(path_copy[0] == '\0') { - path_copy[0] = '/'; - path_copy[1] = '\0'; - } - } - } - -#if defined(SYS_BSD) - if( ( fe = getfsfile( path_copy ) ) ) { - dev_name = bsd_block2char( fe->fs_spec ); - if(verbose >= 1) { - fprintf( stderr, - "libdvdread: Attempting to use device %s" - " mounted on %s%s\n", - dev_name, - fe->fs_file, - have_css ? " for CSS authentication" : ""); - } - auth_drive = DVDOpenImageFile( dev_name, have_css ); - if(!auth_drive) { - internal_errno = errno; - } - } -#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 ); - if(verbose >= 1) { - fprintf( stderr, - "libdvdread: Attempting to use device %s" - " mounted on %s%s\n", - dev_name, - mp.mnt_mountp, - have_css ? " for CSS authentication" : ""); - } - auth_drive = DVDOpenImageFile( dev_name, have_css ); - if(!auth_drive) { - internal_errno = errno; - } - break; - } - } - fclose( mntfile ); - } -#elif defined(__linux__) || defined(__CYGWIN__) - mntfile = fopen( MOUNTED, "r" ); - if( mntfile ) { - struct mntent *me; - - while( ( me = getmntent( mntfile ) ) ) { - if( !strcmp( me->mnt_dir, path_copy ) ) { - if(verbose >= 1) { - fprintf( stderr, - "libdvdread: Attempting to use device %s" - " mounted on %s%s\n", - me->mnt_fsname, - me->mnt_dir, - have_css ? " for CSS authentication" : ""); - } - auth_drive = DVDOpenImageFile( me->mnt_fsname, have_css ); - if(!auth_drive) { - internal_errno = errno; - } - dev_name = strdup(me->mnt_fsname); - break; - } - } - fclose( mntfile ); - } -#elif defined(__MINGW32__) - dev_name = strdup(path); - auth_drive = DVDOpenImageFile( path, have_css ); -#endif - if( !dev_name ) { - if(verbose >= 1) { - fprintf( stderr, "libdvdread: Couldn't find device name.\n" ); - } - } else if( !auth_drive ) { - if(verbose >= 1) { - fprintf( stderr, "libdvdread: Device %s inaccessible%s: %s\n", - dev_name, - have_css ? ", CSS authentication not available" : "", - strerror(internal_errno)); - } - } - - 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. */ - if(verbose >= 1) { - 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 ); - if( dvd->udfcache ) FreeUDFCache( dvd, dvd->udfcache ); - if(dvd->align) { - if(dvd->verbose >= 0) { - fprintf(stderr, "libdvdread: DVDClose(): Memory leak in align functions\n"); - } - } - - free( dvd ); - } -} - -void DVDInit(void) -{ - dvdinput_setup(); -} - -void DVDFinish(void) -{ - dvdinput_free(); -} - -/** - * 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 ); - closedir(dir); - return 0; - } - } - closedir(dir); - 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_file_t ) ); - if( !dvd_file ) return 0; - dvd_file->dvd = dvd; - dvd_file->lb_start = 0; - 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 = 0; - - if( stat( full_path, &fileinfo ) < 0 ) { - if(dvd->verbose >= 1) { - fprintf( stderr, "libdvdread: Can't stat() %s.\n", filename ); - } - free( dvd_file ); - return 0; - } - dvd_file->title_sizes[ 0 ] = fileinfo.st_size / DVD_VIDEO_LB_LEN; - dvd_file->title_devs[ 0 ] = dev; - dvd_file->filesize = dvd_file->title_sizes[ 0 ]; - - return dvd_file; -} - -static dvd_file_t *DVDOpenVOBUDF( dvd_reader_t *dvd, int title, int menu ) -{ - char filename[ MAX_UDF_FILE_NAME_LEN ]; - uint32_t start, len; - dvd_file_t *dvd_file; - - if( title == 0 ) { - sprintf( filename, "/VIDEO_TS/VIDEO_TS.VOB" ); - } else { - sprintf( filename, "/VIDEO_TS/VTS_%02d_%d.VOB", title, menu ? 0 : 1 ); - } - start = UDFFindFile( dvd, filename, &len ); - if( start == 0 ) return 0; - - dvd_file = (dvd_file_t *) malloc( sizeof( dvd_file_t ) ); - if( !dvd_file ) return 0; - dvd_file->dvd = dvd; - /*Hack*/ dvd_file->css_title = title << 1 | menu; - 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; - - /* Calculate the complete file size for every file in the VOBS */ - if( !menu ) { - int cur; - - for( cur = 2; cur < 10; cur++ ) { - sprintf( filename, "/VIDEO_TS/VTS_%02d_%d.VOB", title, cur ); - if( !UDFFindFile( dvd, filename, &len ) ) break; - dvd_file->filesize += len / DVD_VIDEO_LB_LEN; - } - } - - if( dvd->css_state == 1 /* Need key init */ ) { -// initAllCSSKeys( dvd ); -// dvd->css_state = 2; - } - /* - if( dvdinput_title( dvd_file->dvd->dev, (int)start ) < 0 ) { - fprintf( stderr, "libdvdread: Error cracking CSS key for %s\n", - filename ); - } - */ - - return dvd_file; -} - -static dvd_file_t *DVDOpenVOBPath( dvd_reader_t *dvd, int title, int menu ) -{ - char filename[ MAX_UDF_FILE_NAME_LEN ]; - char full_path[ PATH_MAX + 1 ]; - struct stat fileinfo; - dvd_file_t *dvd_file; - int i; - - dvd_file = (dvd_file_t *) malloc( sizeof( dvd_file_t ) ); - if( !dvd_file ) return 0; - dvd_file->dvd = dvd; - /*Hack*/ dvd_file->css_title = title << 1 | menu; - dvd_file->lb_start = 0; - 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 = 0; - - if( menu ) { - dvd_input_t dev; - - if( title == 0 ) { - sprintf( filename, "VIDEO_TS.VOB" ); - } else { - sprintf( filename, "VTS_%02i_0.VOB", title ); - } - if( !findDVDFile( dvd, filename, full_path ) ) { - free( dvd_file ); - return 0; - } - - dev = dvdinput_open( full_path ); - if( dev == NULL ) { - free( dvd_file ); - return 0; - } - - if( stat( full_path, &fileinfo ) < 0 ) { - if(dvd->verbose >= 1) { - fprintf( stderr, "libdvdread: Can't stat() %s.\n", filename ); - } - free( dvd_file ); - return 0; - } - dvd_file->title_sizes[ 0 ] = fileinfo.st_size / DVD_VIDEO_LB_LEN; - dvd_file->title_devs[ 0 ] = dev; - dvdinput_title( dvd_file->title_devs[0], 0); - dvd_file->filesize = dvd_file->title_sizes[ 0 ]; - - } else { - for( i = 0; i < 9; ++i ) { - - sprintf( filename, "VTS_%02i_%i.VOB", title, i + 1 ); - if( !findDVDFile( dvd, filename, full_path ) ) { - break; - } - - if( stat( full_path, &fileinfo ) < 0 ) { - if(dvd->verbose >= 1) { - fprintf( stderr, "libdvdread: Can't stat() %s.\n", filename ); - } - break; - } - - dvd_file->title_sizes[ i ] = fileinfo.st_size / DVD_VIDEO_LB_LEN; - dvd_file->title_devs[ i ] = dvdinput_open( full_path ); - dvdinput_title( dvd_file->title_devs[ i ], 0 ); - dvd_file->filesize += dvd_file->title_sizes[ i ]; - } - if( !dvd_file->title_devs[ 0 ] ) { - free( dvd_file ); - return 0; - } - } - - return dvd_file; -} - -dvd_file_t *DVDOpenFile( dvd_reader_t *dvd, int titlenum, - dvd_read_domain_t domain ) -{ - char filename[ MAX_UDF_FILE_NAME_LEN ]; - - /* Check arguments. */ - if( dvd == NULL || titlenum < 0 ) { - errno = EINVAL; - return NULL; - } - - switch( domain ) { - case DVD_READ_INFO_FILE: - if( titlenum == 0 ) { - sprintf( filename, "/VIDEO_TS/VIDEO_TS.IFO" ); - } else { - sprintf( filename, "/VIDEO_TS/VTS_%02i_0.IFO", titlenum ); - } - break; - case DVD_READ_INFO_BACKUP_FILE: - if( titlenum == 0 ) { - sprintf( filename, "/VIDEO_TS/VIDEO_TS.BUP" ); - } else { - sprintf( filename, "/VIDEO_TS/VTS_%02i_0.BUP", titlenum ); - } - break; - case DVD_READ_MENU_VOBS: - if( dvd->isImageFile ) { - return DVDOpenVOBUDF( dvd, titlenum, 1 ); - } else { - return DVDOpenVOBPath( dvd, titlenum, 1 ); - } - break; - case DVD_READ_TITLE_VOBS: - if( titlenum == 0 ) return 0; - if( dvd->isImageFile ) { - return DVDOpenVOBUDF( dvd, titlenum, 0 ); - } else { - return DVDOpenVOBPath( dvd, titlenum, 0 ); - } - break; - default: - if(dvd->verbose >= 1) { - fprintf( stderr, "libdvdread: Invalid domain for file open.\n" ); - } - errno = EINVAL; - return NULL; - } - - if( dvd->isImageFile ) { - return DVDOpenFileUDF( dvd, filename ); - } else { - return DVDOpenFilePath( dvd, filename ); - } -} - -void DVDCloseFile( dvd_file_t *dvd_file ) -{ - int i; - - if( dvd_file ) { - if( dvd_file->dvd->isImageFile ) { - ; - } else { - for( i = 0; i < 9; ++i ) { - if( dvd_file->title_devs[ i ] ) { - dvdinput_close( dvd_file->title_devs[i] ); - } - } - } - - free( dvd_file ); - dvd_file = 0; - } -} - -static int DVDFileStatVOBUDF(dvd_reader_t *dvd, int title, - int menu, dvd_stat_t *statbuf) -{ - char filename[ MAX_UDF_FILE_NAME_LEN ]; - uint32_t size; - off_t tot_size; - off_t parts_size[9]; - int nr_parts = 0; - int n; - - if( title == 0 ) { - sprintf( filename, "/VIDEO_TS/VIDEO_TS.VOB" ); - } else { - sprintf( filename, "/VIDEO_TS/VTS_%02d_%d.VOB", title, menu ? 0 : 1 ); - } - if(!UDFFindFile( dvd, filename, &size )) { - return -1; - } - tot_size = size; - nr_parts = 1; - parts_size[0] = size; - - if( !menu ) { - int cur; - - for( cur = 2; cur < 10; cur++ ) { - sprintf( filename, "/VIDEO_TS/VTS_%02d_%d.VOB", title, cur ); - if( !UDFFindFile( dvd, filename, &size ) ) { - break; - } - parts_size[nr_parts] = size; - tot_size += size; - nr_parts++; - } - } - - statbuf->size = tot_size; - statbuf->nr_parts = nr_parts; - for(n = 0; n < nr_parts; n++) { - statbuf->parts_size[n] = parts_size[n]; - } - return 0; -} - - -static int DVDFileStatVOBPath( dvd_reader_t *dvd, int title, - int menu, dvd_stat_t *statbuf ) -{ - char filename[ MAX_UDF_FILE_NAME_LEN ]; - char full_path[ PATH_MAX + 1 ]; - struct stat fileinfo; - off_t tot_size; - off_t parts_size[9]; - int nr_parts = 0; - int n; - - - - if( title == 0 ) { - sprintf( filename, "VIDEO_TS.VOB" ); - } else { - sprintf( filename, "VTS_%02d_%d.VOB", title, menu ? 0 : 1 ); - } - if( !findDVDFile( dvd, filename, full_path ) ) { - return -1; - } - - if( stat( full_path, &fileinfo ) < 0 ) { - if(dvd->verbose >= 1) { - fprintf( stderr, "libdvdread: Can't stat() %s.\n", filename ); - } - return -1; - } - - - tot_size = fileinfo.st_size; - nr_parts = 1; - parts_size[0] = fileinfo.st_size; - - if( !menu ) { - int cur; - - for( cur = 2; cur < 10; cur++ ) { - - sprintf( filename, "VTS_%02d_%d.VOB", title, cur ); - if( !findDVDFile( dvd, filename, full_path ) ) { - break; - } - - if( stat( full_path, &fileinfo ) < 0 ) { - if(dvd->verbose >= 1) { - fprintf( stderr, "libdvdread: Can't stat() %s.\n", filename ); - } - break; - } - - parts_size[nr_parts] = fileinfo.st_size; - tot_size += parts_size[nr_parts]; - nr_parts++; - } - } - - statbuf->size = tot_size; - statbuf->nr_parts = nr_parts; - for(n = 0; n < nr_parts; n++) { - statbuf->parts_size[n] = parts_size[n]; - } - return 0; -} - - -int DVDFileStat(dvd_reader_t *dvd, int titlenum, - dvd_read_domain_t domain, dvd_stat_t *statbuf) -{ - char filename[ MAX_UDF_FILE_NAME_LEN ]; - char full_path[ PATH_MAX + 1 ]; - struct stat fileinfo; - uint32_t size; - - /* Check arguments. */ - if( dvd == NULL || titlenum < 0 ) { - errno = EINVAL; - return -1; - } - - switch( domain ) { - case DVD_READ_INFO_FILE: - if( titlenum == 0 ) { - sprintf( filename, "/VIDEO_TS/VIDEO_TS.IFO" ); - } else { - sprintf( filename, "/VIDEO_TS/VTS_%02i_0.IFO", titlenum ); - } - break; - case DVD_READ_INFO_BACKUP_FILE: - if( titlenum == 0 ) { - sprintf( filename, "/VIDEO_TS/VIDEO_TS.BUP" ); - } else { - sprintf( filename, "/VIDEO_TS/VTS_%02i_0.BUP", titlenum ); - } - break; - case DVD_READ_MENU_VOBS: - if( dvd->isImageFile ) { - return DVDFileStatVOBUDF( dvd, titlenum, 1, statbuf ); - } else { - return DVDFileStatVOBPath( dvd, titlenum, 1, statbuf ); - } - break; - case DVD_READ_TITLE_VOBS: - if( titlenum == 0 ) { - return -1; - } - if( dvd->isImageFile ) { - return DVDFileStatVOBUDF( dvd, titlenum, 0, statbuf ); - } else { - return DVDFileStatVOBPath( dvd, titlenum, 0, statbuf ); - } - break; - default: - if(dvd->verbose >= 1) { - fprintf( stderr, "libdvdread: Invalid domain for file stat.\n" ); - } - errno = EINVAL; - return -1; - } - |