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-rw-r--r--libdvdread/dvd_reader.c1611
1 files changed, 1611 insertions, 0 deletions
diff --git a/libdvdread/dvd_reader.c b/libdvdread/dvd_reader.c
new file mode 100644
index 0000000000..49140544e4
--- /dev/null
+++ b/libdvdread/dvd_reader.c
@@ -0,0 +1,1611 @@
+/* -*- 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();
+
+#ifdef WIN32
+ /* 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;
+
+#ifndef WIN32 /* don't have fchdir, and getcwd( NULL, ... ) is strange */
+ /* 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;
+ }
+
+ if( dvd->isImageFile ) {
+ if( UDFFindFile( dvd, filename, &size ) ) {
+ statbuf->size = size;
+ statbuf->nr_parts = 1;
+ statbuf->parts_size[0] = size;
+ return 0;
+