* contains the basic udf handling functions
*****************************************************************************
* Copyright (C) 1998-2001 VideoLAN
- * $Id: dvd_udf.c,v 1.8 2001/05/31 03:12:49 sam Exp $
+ * $Id: dvd_udf.c,v 1.19 2002/03/06 01:20:56 stef Exp $
*
* Author: Stéphane Borel <stef@via.ecp.fr>
*
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
-/*
+/*****************************************************************************
* Preamble
- */
-#include "defs.h"
-
-#ifdef HAVE_CSS
-# define MODULE_NAME dvd
-#else /* HAVE_CSS */
-# define MODULE_NAME dvdnocss
-#endif /* HAVE_CSS */
-
-#include "modules_inner.h"
-
+ *****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
+#include <videolan/vlc.h>
+
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#elif defined( _MSC_VER ) && defined( _WIN32 )
# include <strings.h>
#endif
-#include "common.h"
-#include "intf_msg.h"
-#include "dvd_css.h"
+#ifdef GOD_DAMN_DMCA
+# include "dummy_dvdcss.h"
+#else
+# include <videolan/dvdcss.h>
+#endif
+
+#include "dvd.h"
#include "dvd_ifo.h"
-#include "input_dvd.h"
#define UDFADshort 1
#define UDFADlong 2
typedef struct partition_s
{
- boolean_t b_valid;
- u8 pi_volume_desc[128];
- u16 i_flags;
- u16 i_number;
- u8 pi_contents[32];
- u32 i_access_type;
- u32 i_start;
- u32 i_length;
- int i_fd;
+ boolean_t b_valid;
+ u8 pi_volume_desc[128];
+ u16 i_flags;
+ u16 i_number;
+ u8 pi_contents[32];
+ u32 i_access_type;
+ u32 i_start;
+ u32 i_length;
+ dvdcss_handle dvdhandle;
} partition_t;
typedef struct ad_s
*****************************************************************************
* Returns number of read bytes on success, 0 on error
*****************************************************************************/
-static int UDFReadLB( int i_fd, off_t i_lba, size_t i_block_count, u8 *pi_data )
+static int UDFReadLB( dvdcss_handle dvdhandle, off_t i_lba,
+ size_t i_block_count, u8 *pi_data )
{
-#if !defined( WIN32 )
- if( i_fd < 0 )
-#else
- DWORD read;
-
- if( (HANDLE) i_fd == INVALID_HANDLE_VALUE )
-#endif
+ if( dvdcss_seek( dvdhandle, i_lba, DVDCSS_NOFLAGS ) < 0 )
{
+ intf_ErrMsg( "dvd error: block %i not found", i_lba );
return 0;
}
-#if !defined( WIN32 )
- if( lseek( i_fd, i_lba * (off_t) DVD_LB_SIZE, SEEK_SET ) < 0 )
-#else
- if( SetFilePointer( (HANDLE) i_fd, i_lba * (off_t) DVD_LB_SIZE,
- NULL, FILE_BEGIN ) == -1 )
-#endif
- {
- intf_ErrMsg( "UDF: Postion not found" );
- return 0;
- }
-
-#if !defined( WIN32 )
- return read( i_fd, pi_data, i_block_count *DVD_LB_SIZE);
-#else
- if(!ReadFile( (HANDLE) i_fd, pi_data, i_block_count * DVD_LB_SIZE,
- &read, NULL) || read != i_block_count * DVD_LB_SIZE )
- {
- return 0;
- }
-
- return read;
-#endif
+ return dvdcss_read( dvdhandle, pi_data, i_block_count, DVDCSS_NOFLAGS );
}
if( i_lb_size != DVD_LB_SIZE )
{
- intf_ErrMsg( "UDF: Non valid sector size (%d)", i_lb_size );
+ intf_ErrMsg( "dvd error: invalid UDF sector size (%d)", i_lb_size );
return 1;
}
do
{
- if( !UDFReadLB( partition.i_fd, i_lba++, 1, pi_lb ) )
+ if( !UDFReadLB( partition.dvdhandle, i_lba++, 1, pi_lb ) )
{
i_tag_id = 0;
}
#if 0
do
{
- if( !UDFReadLB( partition.i_fd, i_lba++, 1, pi_lb ) )
+ if( !UDFReadLB( partition.dvdhandle, i_lba++, 1, pi_lb ) )
{
i_tag_id = 0;
}
#else
- if( UDFReadLB( partition.i_fd, i_lba, 2, pi_lb ) <= 0 ) {
+ if( UDFReadLB( partition.dvdhandle, i_lba, 2, pi_lb ) <= 0 ) {
return 0;
}
++i_lba;
p -= DVD_LB_SIZE;
dir.i_length -= DVD_LB_SIZE;
- if( UDFReadLB( partition.i_fd, i_lba, 2, pi_lb ) <= 0 )
+ if( UDFReadLB( partition.dvdhandle, i_lba, 2, pi_lb ) <= 0 )
{
return 0;
}
/* Search anchor loop */
while( 1 )
{
- if( UDFReadLB( p_partition->i_fd, i_lba, 1, pi_anchor ) )
+ if( UDFReadLB( p_partition->dvdhandle, i_lba, 1, pi_anchor ) )
{
UDFDescriptor( pi_anchor, &i_tag_id );
}
do
{
- if( !UDFReadLB( p_partition->i_fd, i_lba++, 1, pi_lb ) )
+ if( !UDFReadLB( p_partition->dvdhandle, i_lba++, 1, pi_lb ) )
{
i_tag_id = 0;
}
/*****************************************************************************
- * UDFFindFile: looks for a file on the UDF disc/imagefile
+ * DVDUDFFindFile: looks for a file on the UDF disc/imagefile
*****************************************************************************
* Path has to be the absolute pathname on the UDF filesystem,
* starting with '/'.
* returns absolute LB number, or 0 on error
*****************************************************************************/
-u32 UDFFindFile( int i_fd, char * psz_path )
+u32 DVDUDFFindFile( dvdcss_handle dvdhandle, char * psz_path )
{
struct partition_s partition;
struct ad_s root_icb;
strcat( psz_tokenline, psz_path );
/* Init file descriptor of UDF filesystem (== DVD) */
- partition.i_fd = i_fd;
+ partition.dvdhandle = dvdhandle;
/* Find partition 0, standard partition for DVD-Video */
i_partition = 0;
if( !UDFFindPartition( i_partition, &partition ) )
{
- intf_ErrMsg( "UDF: Partition 0 not found" );
+ intf_ErrMsg( "dvd error: partition 0 not found" );
return 0;
}
do
{
- if( !UDFReadLB( i_fd, i_lba++, 1, pi_lb ) )
+ if( !UDFReadLB( dvdhandle, i_lba++, 1, pi_lb ) )
{
i_tag_id = 0;
}
if( i_tag_id != 256 )
{
- intf_ErrMsg( "UDF: Bad descriptor" );
+ intf_ErrMsg( "dvd error: bad UDF descriptor" );
return 0;
}
if( root_icb.i_partition != i_partition )
{
- intf_ErrMsg( "UDF: Bad partition" );
+ intf_ErrMsg( "dvd error: bad UDF partition" );
return 0;
}
/* Find root dir */
if( !UDFMapICB( root_icb, &i_file_type, &file, partition ) )
{
- intf_ErrMsg( "UDF: Can't find root dir" );
+ intf_ErrMsg( "dvd error: can't find root dir" );
return 0;
}
/* root dir should be dir */
if( i_file_type != 4 )
{
- intf_ErrMsg( "UDF: Root dir error" );
+ intf_ErrMsg( "dvd error: root dir error" );
return 0;
}
{
if( !UDFScanDir( file, psz_token, &icb, partition ) )
{
- intf_ErrMsg( "UDF: Scan dir error" );
+ intf_ErrMsg( "dvd error: scan dir error" );
return 0;
}
if( !UDFMapICB ( icb, &i_file_type, &file, partition ) )
{
- intf_ErrMsg( "UDF: ICB error" );
+ intf_ErrMsg( "dvd error: ICB error" );
return 0;
}
projects / vlc / blobdiff