-completely changed title and chapter initialization. Now we have real

title units.

-Fixed size for a majority of DVD.

plugins/dvd/dvd_css.c

@@ -2,7 +2,7 @@
  * dvd_css.c: Functions for DVD authentification and unscrambling
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: dvd_css.c,v 1.16 2001/03/02 13:47:01 sam Exp $
+ * $Id: dvd_css.c,v 1.17 2001/03/03 07:07:01 stef Exp $
  *
  * Author: Stphane Borel <stef@via.ecp.fr>
  *
@@ -35,6 +35,7 @@
 #include "defs.h"
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
 #include <fcntl.h>
@@ -100,9 +101,9 @@ int CSSTest( int i_fd )
  * Since we don't need the disc key to find the title key, we just run the
  * basic unavoidable commands to authenticate device and disc.
  *****************************************************************************/
-css_t CSSInit( int i_fd )
+css_t * CSSInit( int i_fd )
 {
-    css_t           css;
+    css_t *         p_css;
 
 #ifdef HAVE_CSS
     /* structures defined in cdrom.h or dvdio.h */
@@ -112,8 +113,13 @@ css_t CSSInit( int i_fd )
     int             i_error = -1;
     int             i;
 
-    css.i_fd = i_fd;
-    css.b_error = 0;
+    p_css = malloc( sizeof(css_t) );
+    if( p_css == NULL )
+    {
+        return NULL;
+    }
+
+    p_css->i_fd = i_fd;
 
     memset( &auth_info, 0, sizeof(auth_info) );
 
@@ -121,9 +127,10 @@ css_t CSSInit( int i_fd )
     switch( CSSGetASF( i_fd ) )
     {
     case -1:
-        css.b_error = 1;
+        free( p_css );
+        return NULL;
     case 1:
-        return css;
+        return p_css;
     case 0:
         intf_WarnMsg( 3, "css info: authenticating" );
     }
@@ -151,14 +158,14 @@ css_t CSSInit( int i_fd )
     /* Unable to authenticate without AGID */
     if( i_error == -1 )
     {
-        css.b_error = 1;
         intf_ErrMsg( "css error: could not get AGID" );
-        return css;
+        free( p_css );
+        return NULL;
     }
 
     for( i = 0 ; i < 10; ++i )
     {
-        css.disc.pi_challenge[i] = i;
+        p_css->disc.pi_challenge[i] = i;
     }
 
     /* Send AGID to host */
@@ -167,43 +174,43 @@ css_t CSSInit( int i_fd )
     /* Get challenge from host */
     for( i = 0 ; i < 10 ; ++i )
     {
-        auth_info.hsc.chal[9-i] = css.disc.pi_challenge[i];
+        auth_info.hsc.chal[9-i] = p_css->disc.pi_challenge[i];
     }
     /* Returning data, let LU change state */
-    css.i_agid = auth_info.lsa.agid;
+    p_css->i_agid = auth_info.lsa.agid;
 
     /* Send challenge to LU */
     if( dvd_ioctl( i_fd, DVD_AUTH, &auth_info )<0 )
     {
         intf_ErrMsg( "css error: failed sending challenge to LU" );
-        css.b_error = 1;
-        return css;
+        free( p_css );
+        return NULL;
     }
 
     /* Get key1 from LU */
     if( dvd_ioctl( i_fd, DVD_AUTH, &auth_info ) < 0)
     {
         intf_ErrMsg( "css error: failed getting key1 from LU" );
-        css.b_error = 1;
-        return css;
+        free( p_css );
+        return NULL;
     }
 
     /* Send key1 to host */
     for( i = 0 ; i < KEY_SIZE ; i++ )
     {
-        css.disc.pi_key1[i] = auth_info.lsk.key[4-i];
+        p_css->disc.pi_key1[i] = auth_info.lsk.key[4-i];
     }
 
     for( i = 0 ; i < 32 ; ++i )
     {
-        CSSCryptKey( 0, i, css.disc.pi_challenge,
-                           css.disc.pi_key_check );
+        CSSCryptKey( 0, i, p_css->disc.pi_challenge,
+                           p_css->disc.pi_key_check );
 
-        if( memcmp( css.disc.pi_key_check,
-                    css.disc.pi_key1, KEY_SIZE ) == 0 )
+        if( memcmp( p_css->disc.pi_key_check,
+                    p_css->disc.pi_key1, KEY_SIZE ) == 0 )
         {
             intf_WarnMsg( 3, "css info: drive authentic, using variant %d", i);
-            css.disc.i_varient = i;
+            p_css->disc.i_varient = i;
             auth_info.type = DVD_LU_SEND_CHALLENGE;
             break;
         }
@@ -213,32 +220,32 @@ css_t CSSInit( int i_fd )
     {
         intf_ErrMsg( "css error: drive would not authenticate" );
         auth_info.type = DVD_AUTH_FAILURE;
-        css.b_error = 1;
-        return css;
+        free( p_css );
+        return NULL;
     }
 
     /* Get challenge from LU */
     if( dvd_ioctl( i_fd, DVD_AUTH, &auth_info ) < 0 )
     {
         intf_ErrMsg( "css error: failed getting challenge from LU" );
-        css.b_error = 1;
-        return css;
+        free( p_css );
+        return NULL;
     }
 
     /* Send challenge to host */
     for( i = 0 ; i < 10 ; ++i )
     {
-        css.disc.pi_challenge[i] = auth_info.hsc.chal[9-i];
+        p_css->disc.pi_challenge[i] = auth_info.hsc.chal[9-i];
     }
 
-    CSSCryptKey( 1, css.disc.i_varient, css.disc.pi_challenge,
-                                                    css.disc.pi_key2 );
+    CSSCryptKey( 1, p_css->disc.i_varient, p_css->disc.pi_challenge,
+                                                    p_css->disc.pi_key2 );
     auth_info.type = DVD_HOST_SEND_KEY2;
 
     /* Get key2 from host */
     for( i = 0 ; i < KEY_SIZE ; ++i )
     {
-        auth_info.hsk.key[4-i] = css.disc.pi_key2[i];
+        auth_info.hsk.key[4-i] = p_css->disc.pi_key2[i];
     }
     /* Returning data, let LU change state */
 
@@ -246,7 +253,8 @@ css_t CSSInit( int i_fd )
     if( dvd_ioctl( i_fd, DVD_AUTH, &auth_info ) < 0 )
     {
         intf_ErrMsg( "css error: failed sending key2 to LU (expected)" );
-        return css;
+        free( p_css );
+        return NULL;
     }
 
     if( auth_info.type == DVD_AUTH_ESTABLISHED )
@@ -255,71 +263,83 @@ css_t CSSInit( int i_fd )
     }
     else if( auth_info.type == DVD_AUTH_FAILURE )
     {
-        css.b_error = 1;
         intf_ErrMsg( "css error: DVD authentication failed" );
+        free( p_css );
+        return NULL;
     }
 
-    memcpy( css.disc.pi_challenge, css.disc.pi_key1, KEY_SIZE );
-    memcpy( css.disc.pi_challenge+KEY_SIZE, css.disc.pi_key2, KEY_SIZE );
-    CSSCryptKey( 2, css.disc.i_varient,
-                    css.disc.pi_challenge,
-                    css.disc.pi_key_check );
+    memcpy( p_css->disc.pi_challenge, p_css->disc.pi_key1, KEY_SIZE );
+    memcpy( p_css->disc.pi_challenge+KEY_SIZE, p_css->disc.pi_key2, KEY_SIZE );
+    CSSCryptKey( 2, p_css->disc.i_varient,
+                    p_css->disc.pi_challenge,
+                    p_css->disc.pi_key_check );
 
     intf_WarnMsg( 1, "css info: received Session Key" );
 
-    if( css.i_agid < 0 )
+    if( p_css->i_agid < 0 )
     {
-        css.b_error = 1;
-        return css;
+        free( p_css );
+        return NULL;
     }
 
     /* Test authentication success */
     switch( CSSGetASF( i_fd ) )
     {
     case -1:
-        css.b_error = 1;
+        free( p_css );
+        return NULL;
     case 1:
-        return css;
+        return p_css;
     case 0:
         intf_WarnMsg( 3, "css info: getting disc key" );
     }
 
     /* Get encrypted disc key */
     dvd.type = DVD_STRUCT_DISCKEY;
-    dvd.disckey.agid = css.i_agid;
+    dvd.disckey.agid = p_css->i_agid;
     memset( dvd.disckey.value, 0, 2048 );
 
     if( dvd_ioctl( i_fd, DVD_READ_STRUCT, &dvd ) < 0 )
     {
         intf_ErrMsg( "css error: could not read Disc Key" );
-        css.b_error = 1;
-        return css;
+        free( p_css );
+        return NULL;
     }
 #if 1
     /* Unencrypt disc key using bus key */
     for( i = 0 ; i < sizeof(dvd.disckey.value) ; i++ )
     {
-        dvd.disckey.value[i] ^= css.disc.pi_key_check[4 - (i % KEY_SIZE)];
+        dvd.disckey.value[i] ^= p_css->disc.pi_key_check[4 - (i % KEY_SIZE)];
     }
-    memcpy( css.disc.pi_key_check, dvd.disckey.value, 2048 );
+    memcpy( p_css->disc.pi_key_check, dvd.disckey.value, 2048 );
 #endif
     /* Test authentication success */
     switch( CSSGetASF( i_fd ) )
     {
     case -1:
     case 0:
-        css.b_error = 1;
+        free( p_css );
+        return NULL;
     case 1:
-        return css;
+        return p_css;
     }
 #else /* HAVE_CSS */
     intf_ErrMsg( "css error: CSS decryption is disabled in this module" );
 
-    css.i_fd = i_fd;
-    css.b_error = 1;
+    p_css = NULL;
 #endif /* HAVE_CSS */
 
-    return css;
+    return p_css;
+}
+
+/*****************************************************************************
+ * CSSEnd : frees css structure
+ *****************************************************************************/
+void CSSEnd( css_t * p_css )
+{
+#ifdef HAVE_CSS
+    free( p_css );
+#endif
 }
 
 /*****************************************************************************
@@ -722,9 +742,6 @@ static void CSSCryptKey( int i_key_type, int i_varient,
             i_lfsr1_o = ( ( i_lfsr1 >> 16 ) ^ ( i_lfsr1 >> 2 ) ) & 1;
             i_lfsr1 = ( i_lfsr1 << 1 ) | i_lfsr1_o;
 
-#define  BIT0(x) ((x) & 1)
-#define  BIT1(x) (((x) >> 1) & 1)
-
             i_combined = !i_lfsr1_o + i_carry + !i_lfsr0_o;
             /* taking bit 1 */
             i_carry = ( i_combined >> 1 ) & 1;

plugins/dvd/dvd_css.h

@@ -2,7 +2,7 @@
  * dvd_css.h: Structures for DVD authentification and unscrambling
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: dvd_css.h,v 1.4 2001/02/20 02:53:13 stef Exp $
+ * $Id: dvd_css.h,v 1.5 2001/03/03 07:07:01 stef Exp $
  *
  * Author: Stphane Borel <stef@via.ecp.fr>
  *
@@ -48,7 +48,6 @@ typedef struct title_key_s
 typedef struct css_s
 {
     int             i_fd;
-    boolean_t       b_error;
     int             i_agid;
     disc_t          disc;
     u8              pi_disc_key[2048];

plugins/dvd/dvd_netlist.c

@@ -7,7 +7,7 @@
  * will only be given back to netlist when refcount is zero.
  *****************************************************************************
  * Copyright (C) 1998, 1999, 2000, 2001 VideoLAN
- * $Id: dvd_netlist.c,v 1.1 2001/03/02 03:32:46 stef Exp $
+ * $Id: dvd_netlist.c,v 1.2 2001/03/03 07:07:01 stef Exp $
  *
  * Authors: Henri Fallon <henri@videolan.org>
  *          Stphane Borel <stef@videolan.org>
@@ -64,23 +64,21 @@
  *
  * Warning: i_nb_iovec, i_nb_data, i_nb_pes have to be 2^x
  *****************************************************************************/
-int DVDNetlistInit( input_thread_t * p_input,
-                    int i_nb_iovec, int i_nb_data, int i_nb_pes,
-                    size_t i_buffer_size, int i_read_once )
+dvd_netlist_t * DVDNetlistInit( int i_nb_iovec, int i_nb_data, int i_nb_pes,
+                                size_t i_buffer_size, int i_read_once )
 {
-    unsigned int i_loop;
-    netlist_t * p_netlist;
+    unsigned int        i_loop;
+    dvd_netlist_t *     p_netlist;
 
     /* First we allocate and initialise our netlist struct */
-    p_input->p_method_data = malloc(sizeof(netlist_t));
-    if ( p_input->p_method_data == NULL )
+    p_netlist = malloc( sizeof(dvd_netlist_t) );
+    if ( p_netlist == NULL )
     {
         intf_ErrMsg("Unable to malloc the DVD netlist struct");
-        return (-1);
+        free( p_netlist );
+        return NULL;
     }
     
-    p_netlist = (netlist_t *) p_input->p_method_data;
-
     /* Nb of packets read once by input */
     p_netlist->i_read_once = i_read_once;
     
@@ -89,7 +87,9 @@ int DVDNetlistInit( input_thread_t * p_input,
     if ( p_netlist->p_buffers == NULL )
     {
         intf_ErrMsg ("Unable to malloc in DVD netlist initialization (1)");
-        return (-1);
+        free( p_netlist->p_buffers );
+        free( p_netlist );
+        return NULL;
     }
     
     /* table of pointers to data packets */
@@ -97,7 +97,10 @@ int DVDNetlistInit( input_thread_t * p_input,
     if ( p_netlist->p_data == NULL )
     {
         intf_ErrMsg ("Unable to malloc in DVD netlist initialization (2)");
-        return (-1);
+        free( p_netlist->p_buffers );
+        free( p_netlist->p_data );
+        free( p_netlist );
+        return NULL;
     }
     
     /* table of pointer to PES packets */
@@ -105,7 +108,11 @@ int DVDNetlistInit( input_thread_t * p_input,
     if ( p_netlist->p_pes == NULL )
     {
         intf_ErrMsg ("Unable to malloc in DVD netlist initialization (3)");
-        return (-1);
+        free( p_netlist->p_buffers );
+        free( p_netlist->p_data );
+        free( p_netlist->p_pes );
+        free( p_netlist );
+        return NULL;
     }
     
     /* allocate the FIFOs : tables of free pointers */
@@ -114,12 +121,25 @@ int DVDNetlistInit( input_thread_t * p_input,
     if ( p_netlist->pp_free_data == NULL )
     {
         intf_ErrMsg ("Unable to malloc in DVD netlist initialization (4)");
+        free( p_netlist->p_buffers );
+        free( p_netlist->p_data );
+        free( p_netlist->p_pes );
+        free( p_netlist->pp_free_data );
+        free( p_netlist );
+        return NULL;
     }
     p_netlist->pp_free_pes = 
                         malloc( i_nb_pes *sizeof(pes_packet_t *) );
     if ( p_netlist->pp_free_pes == NULL )
     {
         intf_ErrMsg ("Unable to malloc in DVD netlist initialization (5)");
+        free( p_netlist->p_buffers );
+        free( p_netlist->p_data );
+        free( p_netlist->p_pes );
+        free( p_netlist->pp_free_data );
+        free( p_netlist->pp_free_pes );
+        free( p_netlist );
+        return NULL;
     }
     
     p_netlist->p_free_iovec =
@@ -127,6 +147,14 @@ int DVDNetlistInit( input_thread_t * p_input,
     if ( p_netlist->p_free_iovec == NULL )
     {
         intf_ErrMsg ("Unable to malloc in DVD netlist initialization (6)");
+        free( p_netlist->p_buffers );
+        free( p_netlist->p_data );
+        free( p_netlist->p_pes );
+        free( p_netlist->pp_free_data );
+        free( p_netlist->pp_free_pes );
+        free( p_netlist->p_free_iovec );
+        free( p_netlist );
+        return NULL;
     }
 
     /* table for reference counter of iovecs */
@@ -134,7 +162,15 @@ int DVDNetlistInit( input_thread_t * p_input,
     if ( p_netlist->pi_refcount == NULL )
     {
         intf_ErrMsg ("Unable to malloc in DVD netlist initialization (7)");
-        return (-1);
+        free( p_netlist->p_buffers );
+        free( p_netlist->p_data );
+        free( p_netlist->p_pes );
+        free( p_netlist->pp_free_data );
+        free( p_netlist->pp_free_pes );
+        free( p_netlist->p_free_iovec );
+        free( p_netlist->pi_refcount );
+        free( p_netlist );
+        return NULL;
     }
 
     /* Fill the data FIFO */
@@ -183,7 +219,7 @@ int DVDNetlistInit( input_thread_t * p_input,
     p_netlist->i_nb_pes = i_nb_pes - 1;
     p_netlist->i_buffer_size = i_buffer_size;
 
-    return (0); /* Everything went all right */
+    return p_netlist; /* Everything went all right */
 }
 
 /*****************************************************************************
@@ -195,10 +231,10 @@ int DVDNetlistInit( input_thread_t * p_input,
  *****************************************************************************/
 struct iovec * DVDGetiovec( void * p_method_data )
 {
-    netlist_t * p_netlist;
+    dvd_netlist_t *     p_netlist;
 
     /* cast */
-    p_netlist = ( netlist_t * ) p_method_data;
+    p_netlist = (dvd_netlist_t *)p_method_data;
     
     /* check */
     if( (
@@ -236,11 +272,11 @@ struct iovec * DVDGetiovec( void * p_method_data )
 void DVDMviovec( void * p_method_data, int i_nb_iovec,
                  struct data_packet_s ** pp_data )
 {
-    netlist_t * p_netlist;
-    unsigned int i_loop = 0;
+    dvd_netlist_t *     p_netlist;
+    unsigned int        i_loop = 0;
 
     /* cast */
-    p_netlist = (netlist_t *)p_method_data;
+    p_netlist = (dvd_netlist_t *)p_method_data;
     
     /* lock */
     vlc_mutex_lock( &p_netlist->lock );
@@ -275,11 +311,11 @@ void DVDMviovec( void * p_method_data, int i_nb_iovec,
  *****************************************************************************/
 struct data_packet_s * DVDNewPtr( void * p_method_data )
 {    
-    netlist_t * p_netlist; 
-    struct data_packet_s * p_return;
+    dvd_netlist_t *         p_netlist; 
+    struct data_packet_s *  p_return;
     
     /* cast */
-    p_netlist = ( netlist_t * ) p_method_data; 
+    p_netlist = (dvd_netlist_t *)p_method_data; 
 
 #ifdef DEBUG
     if( i_buffer_size > p_netlist->i_buffer_size )
@@ -318,11 +354,11 @@ struct data_packet_s * DVDNewPtr( void * p_method_data )
 struct data_packet_s * DVDNewPacket( void * p_method_data,
                                      size_t i_buffer_size )
 {
-    netlist_t *             p_netlist;
+    dvd_netlist_t *         p_netlist;
     struct data_packet_s *  p_packet;
 
     /* cast */
-    p_netlist = (netlist_t *)p_method_data;
+    p_netlist = (dvd_netlist_t *)p_method_data;
     
     /* lock */
     vlc_mutex_lock( &p_netlist->lock );
@@ -371,11 +407,11 @@ struct data_packet_s * DVDNewPacket( void * p_method_data,
  *****************************************************************************/
 struct pes_packet_s * DVDNewPES( void * p_method_data )
 {
-    netlist_t * p_netlist;
-    pes_packet_t * p_return;
+    dvd_netlist_t *     p_netlist;
+    pes_packet_t *      p_return;
     
     /* cast */ 
-    p_netlist = (netlist_t *) p_method_data;
+    p_netlist = (dvd_netlist_t *)p_method_data;
     
     /* lock */
     vlc_mutex_lock ( &p_netlist->lock );
@@ -410,10 +446,10 @@ struct pes_packet_s * DVDNewPES( void * p_method_data )
  *****************************************************************************/
 void DVDDeletePacket( void * p_method_data, data_packet_t * p_data )
 {
-    netlist_t * p_netlist;
+    dvd_netlist_t * p_netlist;
     
     /* cast */
-    p_netlist = (netlist_t *) p_method_data;
+    p_netlist = (dvd_netlist_t *) p_method_data;
 
     /* lock */
     vlc_mutex_lock ( &p_netlist->lock );
@@ -450,11 +486,12 @@ void DVDDeletePacket( void * p_method_data, data_packet_t * p_data )
  *****************************************************************************/
 void DVDDeletePES( void * p_method_data, pes_packet_t * p_pes )
 {
-    netlist_t * p_netlist; 
-    data_packet_t * p_current_packet,* p_next_packet;
+    dvd_netlist_t *     p_netlist; 
+    data_packet_t *     p_current_packet;
+    data_packet_t *     p_next_packet;
     
     /* cast */
-    p_netlist = (netlist_t *)p_method_data;
+    p_netlist = (dvd_netlist_t *)p_method_data;
 
     /* lock */
     vlc_mutex_lock ( &p_netlist->lock );
@@ -502,24 +539,19 @@ void DVDDeletePES( void * p_method_data, pes_packet_t * p_pes )
 /*****************************************************************************
  * DVDNetlistEnd: frees all allocated structures
  *****************************************************************************/
-void DVDNetlistEnd( input_thread_t * p_input)
+void DVDNetlistEnd( dvd_netlist_t * p_netlist )
 {
-    netlist_t * p_netlist;
-
-    /* cast */
-    p_netlist = ( netlist_t * ) p_input->p_method_data;
-    
     /* destroy the mutex lock */
-    vlc_mutex_destroy (&p_netlist->lock);
+    vlc_mutex_destroy( &p_netlist->lock );
     
     /* free the FIFO, the buffer, and the netlist structure */
-    free (p_netlist->pp_free_data);
-    free (p_netlist->pp_free_pes);
-    free (p_netlist->pi_refcount);
-    free (p_netlist->p_pes);
-    free (p_netlist->p_data);
-    free (p_netlist->p_buffers);
+    free( p_netlist->pp_free_data );
+    free( p_netlist->pp_free_pes );
+    free( p_netlist->pi_refcount );
+    free( p_netlist->p_pes );
+    free( p_netlist->p_data );
+    free( p_netlist->p_buffers );
 
     /* free the netlist */
-    free (p_netlist);
+    free( p_netlist );
 }

plugins/dvd/dvd_netlist.h

@@ -2,7 +2,7 @@
  * dvd_netlist.h: Specific netlist structures for DVD packets
  *****************************************************************************
  * Copyright (C) 1998, 1999, 2000, 2001 VideoLAN
- * $Id: dvd_netlist.h,v 1.1 2001/03/02 03:32:46 stef Exp $
+ * $Id: dvd_netlist.h,v 1.2 2001/03/03 07:07:01 stef Exp $
  *
  * Authors: Henri Fallon <henri@videolan.org>
  *          Stphane Borel <stef@videolan.org>
@@ -25,7 +25,7 @@
 /*****************************************************************************
  * netlist_t: structure to manage a netlist
  *****************************************************************************/
-typedef struct netlist_s
+typedef struct dvd_netlist_s
 {
     vlc_mutex_t             lock;
 
@@ -57,14 +57,12 @@ typedef struct netlist_s
     /* Nb of packets read once */
     unsigned int            i_read_once;
 
-} netlist_t;
+} dvd_netlist_t;
 
 /*****************************************************************************
  * Prototypes
  *****************************************************************************/
-int                     DVDNetlistInit( struct input_thread_s *,
-                                        int , int, int, size_t, int );
-
+struct dvd_netlist_s *  DVDNetlistInit( int , int, int, size_t, int );
 struct iovec *          DVDGetiovec( void * p_method_data );
 void                    DVDMviovec( void * , int, struct data_packet_s **);
 struct data_packet_s *  DVDNewPtr( void * );
@@ -72,4 +70,4 @@ struct data_packet_s *  DVDNewPacket( void *, size_t );
 struct pes_packet_s *   DVDNewPES( void * );
 void                    DVDDeletePacket( void *, struct data_packet_s * );
 void                    DVDDeletePES( void *, struct pes_packet_s * );
-void                    DVDNetlistEnd( struct input_thread_s * );
+void                    DVDNetlistEnd( struct dvd_netlist_s * );

plugins/dvd/input_dvd.c

@@ -10,7 +10,7 @@
  *  -dvd_udf to find files
  *****************************************************************************
  * Copyright (C) 1998-2001 VideoLAN