mpv/libmpdvdkit2/libdvdread_changes.diff

--- dvdread/bswap.h	2002-04-07 19:52:00.000000000 +0200
+++ bswap.h	2005-03-01 07:07:45.000000000 +0100
@@ -20,8 +20,6 @@
  * 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)
@@ -48,13 +46,51 @@
 #define B2N_32(x) x = swap32(x)
 #define B2N_64(x) x = swap64(x)
 
+#elif defined(ARCH_X86)
+inline static unsigned short bswap_16(unsigned short x)
+{
+  __asm("xchgb %b0,%h0" :
+        "=q" (x)        :
+        "0" (x));
+    return x;
+}
+#define B2N_16(x) x = bswap_16(x)
+
+inline static unsigned int bswap_32(unsigned int x)
+{
+ __asm(
+#if __CPU__ > 386
+      "bswap   %0":
+      "=r" (x)     :
+#else
+      "xchgb   %b0,%h0\n"
+      " rorl    $16,%0\n"
+      " xchgb   %b0,%h0":
+      "=q" (x)          :
+#endif
+      "0" (x));
+  return x;
+}
+#define B2N_32(x) x = bswap_32(x)
+
+inline static unsigned long long int bswap_64(unsigned long long int x)
+{
+  register union { __extension__ uint64_t __ll;
+          uint32_t __l[2]; } __x;
+  asm("xchgl    %0,%1":
+      "=r"(__x.__l[0]),"=r"(__x.__l[1]):
+      "0"(bswap_32((unsigned long)x)),"1"(bswap_32((unsigned long)(x>>32))));
+  return __x.__ll;
+}
+#define B2N_64(x) x = bswap_64(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__)
+#elif defined(__FreeBSD__) || defined(__sun) || defined(__bsdi__) || defined(__CYGWIN__)
 #define B2N_16(x) \
  x = ((((x) & 0xff00) >> 8) | \
       (((x) & 0x00ff) << 8))
--- dvdread/dvd_input.c	2002-05-09 23:32:46.000000000 +0200
+++ dvd_input.c	2005-03-01 07:07:46.000000000 +0100
@@ -21,13 +21,11 @@
 #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;
+#include "dvdcss.h"
 
 dvdcss_handle (*DVDcss_open)  (const char *);
 int           (*DVDcss_close) (dvdcss_handle);
@@ -36,6 +34,12 @@
 int           (*DVDcss_read)  (dvdcss_handle, void *, int, int);
 char *        (*DVDcss_error) (dvdcss_handle);
 
+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);
 
 /* The DVDinput handle, add stuff here for new input methods. */
 struct dvd_input_s {
@@ -55,7 +59,7 @@
   dvd_input_t dev;
   
   /* Allocate the handle structure */
-  dev = (dvd_input_t) malloc(sizeof(dvd_input_t));
+  dev = (dvd_input_t) malloc(sizeof(struct dvd_input_s));
   if(dev == NULL) {
     fprintf(stderr, "libdvdread: Could not allocate memory.\n");
     return NULL;
@@ -123,176 +127,26 @@
 
 
 
-
-
-
-/**
- * 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_open = dvdcss_open;
+    DVDcss_close = dvdcss_close;
+    DVDcss_title = dvdcss_title;
+    DVDcss_seek = dvdcss_seek;
+    DVDcss_read = dvdcss_read;
+    DVDcss_error = 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);
+//    fprintf(stderr, "libdvdread: Using libdvdcss version %s for DVD access\n",
+//	    *dvdcss_version);
     
     /* libdvdcss wraper functions */
     DVDinput_open  = css_open;
@@ -303,16 +157,4 @@
     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;
-  }
 }
--- dvdread/dvd_input.h	2002-05-09 23:21:20.000000000 +0200
+++ dvd_input.h	2005-03-01 07:07:46.000000000 +0100
@@ -36,12 +36,12 @@
 /**
  * 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);
+extern dvd_input_t (*DVDinput_open)  (const char *);
+extern int         (*DVDinput_close) (dvd_input_t);
+extern int         (*DVDinput_seek)  (dvd_input_t, int, int);
+extern int         (*DVDinput_title) (dvd_input_t, int); 
+extern int         (*DVDinput_read)  (dvd_input_t, void *, int, int);
+extern char *      (*DVDinput_error) (dvd_input_t);
 
 /**
  * Setup function accessed by dvd_reader.c.  Returns 1 if there is CSS support.
--- dvdread/dvd_reader.c	2002-05-19 17:48:41.000000000 +0200
+++ dvd_reader.c	2005-03-01 07:07:46.000000000 +0100
@@ -17,6 +17,8 @@
  * 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. */
@@ -35,12 +37,24 @@
 
 #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__)
+#elif defined(__linux__) || defined(__CYGWIN__)
 #include <mntent.h>
 #endif
 
+#ifdef __MINGW32__
+#include <sys/timeb.h>
+static void gettimeofday(struct timeval* t,void* timezone){
+    struct timeb timebuffer;
+    ftime( &timebuffer );
+    t->tv_sec=timebuffer.time;
+    t->tv_usec=1000*timebuffer.millitm;
+}
+#endif
+
 #include "dvd_udf.h"
 #include "dvd_input.h"
 #include "dvd_reader.h"
@@ -144,6 +158,13 @@
 }
 
 
+#ifndef HAVE_MPLAYER
+ #include "get_path.c"
+#else
+ extern char * get_path( char * filename );
+#endif
+
+//extern char * dvdcss_cache_dir;
 
 /**
  * Open a DVD image or block device file.
@@ -152,7 +173,17 @@
 {
     dvd_reader_t *dvd;
     dvd_input_t dev;
+
+    /* setup cache dir is no longer needed, it's now implemented in libdvdcss.c
+    if(!dvdcss_cache_dir){
+	dvdcss_cache_dir=get_path( "" );
+	if ( dvdcss_cache_dir ) { mkdir( dvdcss_cache_dir,493 ); free( dvdcss_cache_dir ); }
+	dvdcss_cache_dir=get_path( "DVDKeys" );
+	if(dvdcss_cache_dir) mkdir( dvdcss_cache_dir,493 );
+    }
+    */
     
+    /* open it */
     dev = DVDinput_open( location );
     if( !dev ) {
 	fprintf( stderr, "libdvdread: Can't open %s for reading\n", location );
@@ -222,7 +253,7 @@
     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 ) ) 
+    if( strncmp( path, "/dev/",  5 ) || !strncmp( path, "/dev/r", 6 ) ) 
       return (char *) strdup( path );
 
     /* Replace "/dev/" with "/dev/r" */
@@ -242,6 +273,16 @@
 
     if( !path ) return 0;
 
+#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 ) {
 	/* If we can't stat the file, give up */
@@ -249,6 +290,7 @@
 	perror("");
 	return 0;
     }
+    }
 
     /* Try to open libdvdcss or fall back to standard functions */
     have_css = DVDInputSetup();
@@ -274,7 +320,7 @@
 	char *path_copy;
 #if defined(SYS_BSD)
 	struct fstab* fe;
-#elif defined(__sun) || defined(__linux__)
+#elif defined(__sun) || defined(__linux__) || defined(__CYGWIN__)
 	FILE *mntfile;
 #endif
 
@@ -289,7 +331,9 @@
 	    if( cdir >= 0 ) {
 		chdir( path_copy );
 		new_path = getcwd( NULL, PATH_MAX );
+#ifndef __MINGW32__       
 		fchdir( cdir );
+#endif       
 		close( cdir );
 		if( new_path ) {
 		    free( path_copy );
@@ -345,7 +393,7 @@
 	    }
 	    fclose( mntfile );
 	}
-#elif defined(__linux__)
+#elif defined(__linux__) || defined(__CYGWIN__)
         mntfile = fopen( MOUNTED, "r" );
         if( mntfile ) {
             struct mntent *me;
@@ -364,6 +408,9 @@
             }
             fclose( mntfile );
 	}
+#elif defined(__MINGW32__)	
+	dev_name = strdup(path);
+	auth_drive = DVDOpenImageFile( path, have_css );
 #endif
 	if( !dev_name ) {
 	  fprintf( stderr, "libdvdread: Couldn't find device name.\n" );
@@ -554,8 +601,8 @@
     }
     
     if( dvd->css_state == 1 /* Need key init */ ) {
-        initAllCSSKeys( dvd );
-	dvd->css_state = 2;
+//        initAllCSSKeys( dvd );
+//	dvd->css_state = 2;
     }
     /*    
     if( DVDinput_seek( dvd_file->dvd->dev, 
@@ -631,10 +678,9 @@
             dvd_file->title_sizes[ i ] = fileinfo.st_size / DVD_VIDEO_LB_LEN;
             dvd_file->title_devs[ i ] = DVDinput_open( full_path );
             dvd_file->filesize += dvd_file->title_sizes[ i ];
+            DVDinput_seek( dvd_file->title_devs[ i ], 0, DVDINPUT_SEEK_KEY );
         }
-        if( dvd_file->title_devs[ 0 ] ) {
-	    DVDinput_seek( dvd_file->title_devs[ 0 ], 0, DVDINPUT_SEEK_KEY );
-	} else {
+        if( !dvd_file->title_devs[ 0 ] ) {
             free( dvd_file );
             return 0;
         }
@@ -794,7 +840,10 @@
 		if( ret < 0 ) return ret;
 		/* FIXME: This is wrong if i is the last file in the set. 
                  * also error from this read will not show in ret. */
-		
+
+                /* Does the next part exist? If not then return now. */
+                if( !dvd_file->title_devs[ i + 1 ] ) return ret;
+
                 /* Read part 2 */
                 off = DVDinput_seek( dvd_file->title_devs[ i + 1 ], 
 				     0, DVDINPUT_NOFLAGS );
@@ -846,7 +895,7 @@
     return (ssize_t)ret;
 }
 
-int32_t DVDFileSeek( dvd_file_t *dvd_file, int32_t offset )
+int DVDFileSeek( dvd_file_t *dvd_file, int offset )
 {
    if( offset > dvd_file->filesize * DVD_VIDEO_LB_LEN ) {
        return -1;
--- dvdread/dvd_udf.c	2002-05-06 22:16:31.000000000 +0200
+++ dvd_udf.c	2005-03-01 07:07:46.000000000 +0100
@@ -4,6 +4,9 @@
  *
  * Modifications by:
  *   Billy Biggs <vektor@dumbterm.net>.
+ *   Bj<42>rn Englund <d4bjorn@dtek.chalmers.se>.
+ *   Joey Parrish <joey@nicewarrior.org>.
+ *     - updated from libdvdread 0.9.4 and removed udf caching
  *
  * dvdudf: parse and read the UDF volume information of a DVD Video
  * Copyright (C) 1999 Christian Wolff for convergence integrated media
@@ -30,8 +33,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <assert.h>
+//#include <assert.h>
+#ifndef __MINGW32__
 #include <sys/ioctl.h>
+#endif
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
@@ -93,6 +98,32 @@
     uint16_t Partition;
 };
 
+struct extent_ad {
+  uint32_t location;
+  uint32_t length;
+};
+
+struct avdp_t {
+  struct extent_ad mvds;
+  struct extent_ad rvds;
+};
+
+struct pvd_t {
+  uint8_t VolumeIdentifier[32];
+  uint8_t VolumeSetIdentifier[128];
+};
+
+struct lbudf {
+  uint32_t lb;
+  uint8_t *data;
+};
+
+struct icbmap {
+  uint32_t lbn;
+  struct AD file;
+  uint8_t filetype;
+};
+
 /* For direct data access, LSB first */
 #define GETN1(p) ((uint8_t)data[p])
 #define GETN2(p) ((uint16_t)data[p] | ((uint16_t)data[(p) + 1] << 8))
@@ -334,6 +365,67 @@
     return 0;
 }
 
+
+static int UDFGetAVDP( dvd_reader_t *device,
+		       struct avdp_t *avdp)
+{
+  uint8_t Anchor[ DVD_VIDEO_LB_LEN ];
+  uint32_t lbnum, MVDS_location, MVDS_length;
+  uint16_t TagID;
+  uint32_t lastsector;
+  int terminate;
+  struct avdp_t; 
+  
+  /* Find Anchor */
+  lastsector = 0;
+  lbnum = 256;   /* Try #1, prime anchor */
+  terminate = 0;
+  
+  for(;;) {
+    if( DVDReadLBUDF( device, lbnum, 1, Anchor, 0 ) > 0 ) {
+      UDFDescriptor( Anchor, &TagID );
+    } else {
+      TagID = 0;
+    }
+    if (TagID != 2) {
+      /* Not an anchor */
+      if( terminate ) return 0; /* Final try failed */
+      
+      if( lastsector ) {
+	
+	/* We already found the last sector.  Try #3, alternative
+	 * backup anchor.  If that fails, don't try again.
+	 */
+	lbnum = lastsector;
+	terminate = 1;
+      } else {
+	/* TODO: Find last sector of the disc (this is optional). */
+	if( lastsector ) {
+	  /* Try #2, backup anchor */
+	  lbnum = lastsector - 256;
+	} else {
+	  /* Unable to find last sector */
+	  return 0;
+	}
+      }
+    } else {
+      /* It's an anchor! We can leave */
+      break;
+    }
+  }
+  /* Main volume descriptor */
+  UDFExtentAD( &Anchor[ 16 ], &MVDS_length, &MVDS_location );
+  avdp->mvds.location = MVDS_location;
+  avdp->mvds.length = MVDS_length;
+  
+  /* Backup volume descriptor */
+  UDFExtentAD( &Anchor[ 24 ], &MVDS_length, &MVDS_location );
+  avdp->rvds.location = MVDS_location;
+  avdp->rvds.length = MVDS_length;
+  
+  return 1;
+}
+
 /**
  * Looks for partition on the disc.  Returns 1 if partition found, 0 on error.
  *   partnum: Number of the partition, starting at 0.
@@ -342,52 +434,21 @@
 static int UDFFindPartition( dvd_reader_t *device, int partnum,
 			     struct Partition *part ) 
 {
-    uint8_t LogBlock[ DVD_VIDEO_LB_LEN ], Anchor[ DVD_VIDEO_LB_LEN ];
+    uint8_t LogBlock[ DVD_VIDEO_LB_LEN ];
     uint32_t lbnum, MVDS_location, MVDS_length;
     uint16_t TagID;
-    uint32_t lastsector;
-    int i, terminate, volvalid;
+    int i, volvalid;
+    struct avdp_t avdp;
 
-    /* Find Anchor */
-    lastsector = 0;
-    lbnum = 256;   /* Try #1, prime anchor */
-    terminate = 0;
-
-    for(;;) {
-        if( DVDReadLBUDF( device, lbnum, 1, Anchor, 0 ) > 0 ) {
-            UDFDescriptor( Anchor, &TagID );
-        } else {
-            TagID = 0;
-        }
-        if (TagID != 2) {
-            /* Not an anchor */
-            if( terminate ) return 0; /* Final try failed */
-
-            if( lastsector ) {
-
-                /* We already found the last sector.  Try #3, alternative
-                 * backup anchor.  If that fails, don't try again.
-                 */
-                lbnum = lastsector;
-                terminate = 1;
-            } else {
-                /* TODO: Find last sector of the disc (this is optional). */
-                if( lastsector ) {
-                    /* Try #2, backup anchor */
-                    lbnum = lastsector - 256;
-                } else {
-                    /* Unable to find last sector */
-                    return 0;
-                }
-            }
-        } else {
-            /* It's an anchor! We can leave */
-            break;
-        }
+    
+    if(!UDFGetAVDP(device, &avdp)) {
+      return 0;
     }
+
     /* Main volume descriptor */
-    UDFExtentAD( &Anchor[ 16 ], &MVDS_length, &MVDS_location );
-	
+    MVDS_location = avdp.mvds.location;
+    MVDS_length = avdp.mvds.length;
+
     part->valid = 0;
     volvalid = 0;
     part->VolumeDesc[ 0 ] = '\0';
@@ -422,8 +483,9 @@
                  && ( ( !part->valid ) || ( !volvalid ) ) );
 
         if( ( !part->valid) || ( !volvalid ) ) {
-            /* Backup volume descriptor */
-            UDFExtentAD( &Anchor[ 24 ], &MVDS_length, &MVDS_location );
+	  /* Backup volume descriptor */
+	  MVDS_location = avdp.mvds.location;
+	  MVDS_length = avdp.mvds.length;
         }
     } while( i-- && ( ( !part->valid ) || ( !volvalid ) ) );
 
@@ -442,17 +504,18 @@
     char tokenline[ MAX_UDF_FILE_NAME_LEN ];
     char *token;
     uint8_t filetype;
-	
+
     *filesize = 0;
     tokenline[0] = '\0';
     strcat( tokenline, filename );
 
-    /* Find partition, 0 is the standard location for DVD Video.*/
-    if( !UDFFindPartition( device, 0, &partition ) ) return 0;
-
-    /* Find root dir ICB */
-    lbnum = partition.Start;
-    do {
+    
+      /* Find partition, 0 is the standard location for DVD Video.*/
+      if( !UDFFindPartition( device, 0, &partition ) ) return 0;
+      
+      /* Find root dir ICB */
+      lbnum = partition.Start;
+      do {
         if( DVDReadLBUDF( device, lbnum++, 1, LogBlock, 0 ) <= 0 ) {
             TagID = 0;
         } else {
@@ -469,19 +532,27 @@
     /* Sanity checks. */
     if( TagID != 256 ) return 0;
     if( RootICB.Partition != 0 ) return 0;
-	
+
     /* Find root dir */
     if( !UDFMapICB( device, RootICB, &filetype, &partition, &File ) ) return 0;
     if( filetype != 4 ) return 0;  /* Root dir should be dir */
 
-    /* Tokenize filepath */
-    token = strtok(tokenline, "/");
-    while( token != NULL ) {
-        if( !UDFScanDir( device, File, token, &partition, &ICB ) ) return 0;
-        if( !UDFMapICB( device, ICB, &filetype, &partition, &File ) ) return 0;
+    {
+      /* Tokenize filepath */
+      token = strtok(tokenline, "/");
+      
+      while( token != NULL ) {
+       
+        if( !UDFScanDir( device, File, token, &partition, &ICB)) {
+         return 0;
+       }
+        if( !UDFMapICB( device, ICB, &filetype, &partition, &File ) ) {
+         return 0;
+       }
         token = strtok( NULL, "/" );
-    }
-    
+      }
+    } 
+
     /* Sanity check. */
     if( File.Partition != 0 ) return 0;
    
@@ -492,3 +563,81 @@
     else
       return partition.Start + File.Location;
 }
+
+
+
+/**
+ * Gets a Descriptor .
+ * Returns 1 if descriptor found, 0 on error.
+ * id, tagid of descriptor
+ * bufsize, size of BlockBuf (must be >= DVD_VIDEO_LB_LEN).
+ */
+static int UDFGetDescriptor( dvd_reader_t *device, int id,
+			     uint8_t *descriptor, int bufsize) 
+{
+  uint32_t lbnum, MVDS_location, MVDS_length;
+  struct avdp_t avdp;
+  uint16_t TagID;
+  uint32_t lastsector;
+  int i, terminate;
+  int desc_found = 0;
+  /* Find Anchor */
+  lastsector = 0;
+  lbnum = 256;   /* Try #1, prime anchor */
+  terminate = 0;
+  if(bufsize < DVD_VIDEO_LB_LEN) {
+    return 0;
+  }
+  
+  if(!UDFGetAVDP(device, &avdp)) {
+    return 0;
+  }
+
+  /* Main volume descriptor */
+  MVDS_location = avdp.mvds.location;
+  MVDS_length = avdp.mvds.length;
+  
+  i = 1;
+  do {
+    /* Find  Descriptor */
+    lbnum = MVDS_location;
+    do {
+      
+      if( DVDReadLBUDF( device, lbnum++, 1, descriptor, 0 ) <= 0 ) {
+	TagID = 0;
+      } else {
+	UDFDescriptor( descriptor, &TagID );
+      }
+      
+      if( (TagID == id) && ( !desc_found ) ) {
+	/* Descriptor */
+	desc_found = 1;
+      }
+    } while( ( lbnum <= MVDS_location + ( MVDS_length - 1 )
+	       / DVD_VIDEO_LB_LEN ) && ( TagID != 8 )
+	     && ( !desc_found) );
+    
+    if( !desc_found ) {
+      /* Backup volume descriptor */
+      MVDS_location = avdp.rvds.location;
+      MVDS_length = avdp.rvds.length;
+    }
+  } while( i-- && ( !desc_found )  );
+  
+  return desc_found;
+}
+
+
+static int UDFGetPVD(dvd_reader_t *device, struct pvd_t *pvd)
+{
+  uint8_t pvd_buf[DVD_VIDEO_LB_LEN];
+  
+  if(!UDFGetDescriptor( device, 1, pvd_buf, sizeof(pvd_buf))) {
+    return 0;
+  }
+  
+  memcpy(pvd->VolumeIdentifier, &pvd_buf[24], 32);
+  memcpy(pvd->VolumeSetIdentifier, &pvd_buf[72], 128);
+  
+  return 1;
+}
--- dvdread/ifo_print.c	2002-05-15 21:35:54.000000000 +0200
+++ ifo_print.c	2005-03-01 07:07:46.000000000 +0100
@@ -23,7 +23,7 @@
 #include <inttypes.h>
 #include <string.h>
 #include <ctype.h>
-#include <assert.h>
+//#include <assert.h>
 
 #include "config.h" // Needed for WORDS_BIGENDIAN
 #include "ifo_types.h"
--- dvdread/ifo_print.h	2002-04-07 19:52:01.000000000 +0200
+++ ifo_print.h	2005-03-01 07:07:46.000000000 +0100
@@ -20,8 +20,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include <dvdread/ifo_types.h>
-#include <dvdread/dvd_reader.h>
+#include "ifo_types.h"
+#include "dvd_reader.h"
 
 #ifdef __cplusplus
 extern "C" {
--- dvdread/ifo_read.c	2002-05-25 21:37:18.000000000 +0200
+++ ifo_read.c	2005-03-01 07:07:46.000000000 +0100
@@ -22,7 +22,7 @@
 #include <unistd.h>
 #include <inttypes.h>
 #include <string.h>
-#include <assert.h>
+//#include <assert.h>
 
 #include "dvd_reader.h"
 
--- dvdread/ifo_read.h	2002-04-07 19:52:01.000000000 +0200
+++ ifo_read.h	2005-03-01 07:07:46.000000000 +0100
@@ -20,8 +20,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include <dvdread/ifo_types.h>
-#include <dvdread/dvd_reader.h>
+#include "ifo_types.h"
+#include "dvd_reader.h"
 
 #ifdef __cplusplus
 extern "C" {
--- dvdread/ifo_types.h	2002-04-07 19:52:01.000000000 +0200
+++ ifo_types.h	2005-03-01 07:07:46.000000000 +0100
@@ -21,7 +21,7 @@
  */
 
 #include <inttypes.h>
-#include <dvdread/dvd_reader.h>
+#include "dvd_reader.h"
 
 
 #undef ATTRIBUTE_PACKED
--- dvdread/nav_print.c	2002-04-07 19:18:06.000000000 +0200
+++ nav_print.c	2005-03-01 07:07:46.000000000 +0100
@@ -25,7 +25,7 @@
 
 #include <stdio.h>
 #include <inttypes.h>
-#include <assert.h>
+//#include <assert.h>
 
 #include "config.h" // Needed for WORDS_BIGENDIAN
 #include "nav_types.h"
--- dvdread/nav_print.h	2002-04-07 20:17:19.000000000 +0200
+++ nav_print.h	2005-03-01 07:07:46.000000000 +0100
@@ -20,7 +20,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include <dvdread/nav_types.h>
+#include "nav_types.h"
 
 #ifdef __cplusplus
 extern "C" {
--- dvdread/nav_read.c	2002-04-07 19:52:01.000000000 +0200
+++ nav_read.c	2005-03-01 07:07:46.000000000 +0100
@@ -19,7 +19,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
-#include <assert.h>
+//#include <assert.h>
 
 #include "config.h" // Needed for WORDS_BIGENDIAN
 #include "bswap.h"
@@ -95,7 +95,9 @@
   /* pci hli btnit */
   for(i = 0; i < pci->hli.hl_gi.btngr_ns; i++) {
     for(j = 0; j < (36 / pci->hli.hl_gi.btngr_ns); j++) {
+#ifdef HAVE_ASSERT_H
       int n = (36 / pci->hli.hl_gi.btngr_ns) * i + j;
+#endif
       assert(pci->hli.btnit[n].zero1 == 0);
       assert(pci->hli.btnit[n].zero2 == 0);
       assert(pci->hli.btnit[n].zero3 == 0);
--- dvdread/nav_read.h	2002-04-07 20:17:19.000000000 +0200
+++ nav_read.h	2005-03-01 07:07:46.000000000 +0100
@@ -19,7 +19,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include <dvdread/nav_types.h>
+#include "nav_types.h"
 
 #ifdef __cplusplus
 extern "C" {
--- dvdread/nav_types.h	2002-04-07 20:41:59.000000000 +0200
+++ nav_types.h	2005-03-01 07:07:46.000000000 +0100
@@ -30,7 +30,7 @@
  */
 
 #include <inttypes.h>
-#include <dvdread/ifo_types.h> // only dvd_time_t, vm_cmd_t and user_ops_t
+#include "ifo_types.h" // only dvd_time_t, vm_cmd_t and user_ops_t
 
 
 #undef ATTRIBUTE_PACKED