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Diffstat (limited to 'src/input/libdvdread/dvd_reader.c')
-rw-r--r--src/input/libdvdread/dvd_reader.c262
1 files changed, 231 insertions, 31 deletions
diff --git a/src/input/libdvdread/dvd_reader.c b/src/input/libdvdread/dvd_reader.c
index 242bd2ba7..a46b47f02 100644
--- a/src/input/libdvdread/dvd_reader.c
+++ b/src/input/libdvdread/dvd_reader.c
@@ -1,6 +1,7 @@
/*
- * Copyright (C) 2001, 2002 Billy Biggs <vektor@dumbterm.net>,
- * Håkan Hjort <d95hjort@dtek.chalmers.se>
+ * Copyright (C) 2001, 2002, 2003 Billy Biggs <vektor@dumbterm.net>,
+ * Håkan Hjort <d95hjort@dtek.chalmers.se>,
+ * Björn Englund <d4bjorn@dtek.chalmers.se>
*
* 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
@@ -17,6 +18,8 @@
* 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. */
@@ -28,6 +31,7 @@
#include <unistd.h>
#include <limits.h>
#include <dirent.h>
+
#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__bsdi__)|| defined(__DARWIN__)
#define SYS_BSD 1
#endif
@@ -44,6 +48,9 @@
#include "dvd_udf.h"
#include "dvd_input.h"
#include "dvd_reader.h"
+#include "md5.h"
+
+#define DEFAULT_UDF_CACHE_LEVEL 1
struct dvd_reader_s {
/* Basic information. */
@@ -52,13 +59,17 @@ struct dvd_reader_s {
/* 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. */
+ 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;
};
struct dvd_file_s {
@@ -80,6 +91,42 @@ struct dvd_file_s {
ssize_t filesize;
};
+/**
+ * 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;
+}
+
+
+
/* Loop over all titles and call dvdcss_title to crack the keys. */
static int initAllCSSKeys( dvd_reader_t *dvd )
{
@@ -89,6 +136,10 @@ static int initAllCSSKeys( dvd_reader_t *dvd )
uint32_t start, len;
int title;
+ char *nokeys_str = getenv("DVDREAD_NOKEYS");
+ if(nokeys_str != NULL)
+ return 0;
+
fprintf( stderr, "\n" );
fprintf( stderr, "libdvdread: Attempting to retrieve all CSS keys\n" );
fprintf( stderr, "libdvdread: This can take a _long_ time, "
@@ -108,7 +159,7 @@ static int initAllCSSKeys( dvd_reader_t *dvd )
/* Perform CSS key cracking for this title. */
fprintf( stderr, "libdvdread: Get key for %s at 0x%08x\n",
filename, start );
- if( DVDinput_title( dvd->dev, (int)start ) < 0 ) {
+ if( dvdinput_title( dvd->dev, (int)start ) < 0 ) {
fprintf( stderr, "libdvdread: Error cracking CSS key for %s (0x%08x)\n", filename, start);
}
gettimeofday( &t_e, NULL );
@@ -126,7 +177,7 @@ static int initAllCSSKeys( dvd_reader_t *dvd )
/* Perform CSS key cracking for this title. */
fprintf( stderr, "libdvdread: Get key for %s at 0x%08x\n",
filename, start );
- if( DVDinput_title( dvd->dev, (int)start ) < 0 ) {
+ if( dvdinput_title( dvd->dev, (int)start ) < 0 ) {
fprintf( stderr, "libdvdread: Error cracking CSS key for %s (0x%08x)!!\n", filename, start);
}
gettimeofday( &t_e, NULL );
@@ -153,7 +204,7 @@ static dvd_reader_t *DVDOpenImageFile( const char *location, int have_css )
dvd_reader_t *dvd;
dvd_input_t dev;
- dev = DVDinput_open( location );
+ dev = dvdinput_open( location );
if( !dev ) {
fprintf( stderr, "libdvdread: Can't open %s for reading\n", location );
return 0;
@@ -165,6 +216,9 @@ static dvd_reader_t *DVDOpenImageFile( const char *location, int have_css )
dvd->dev = dev;
dvd->path_root = 0;
+ dvd->udfcache_level = DEFAULT_UDF_CACHE_LEVEL;
+ dvd->udfcache = 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
@@ -172,6 +226,7 @@ static dvd_reader_t *DVDOpenImageFile( const char *location, int have_css )
dvd->css_state = 1; /* Need key init. */
}
+ dvd->css_title = 0;
return dvd;
}
@@ -186,6 +241,12 @@ static dvd_reader_t *DVDOpenPath( const char *path_root )
dvd->dev = 0;
dvd->path_root = strdup( path_root );
+ dvd->udfcache_level = DEFAULT_UDF_CACHE_LEVEL;
+ dvd->udfcache = NULL;
+
+ dvd->css_state = 0; /* Only used in the UDF path */
+ dvd->css_title = 0; /* Only matters in the UDF path */
+
return dvd;
}
@@ -252,7 +313,7 @@ dvd_reader_t *DVDOpen( const char *path )
}
/* Try to open libdvdcss or fall back to standard functions */
- have_css = DVDInputSetup();
+ have_css = dvdinput_setup();
/* First check if this is a block/char device or a file*/
if( S_ISBLK( fileinfo.st_mode ) ||
@@ -395,8 +456,9 @@ dvd_reader_t *DVDOpen( const char *path )
void DVDClose( dvd_reader_t *dvd )
{
if( dvd ) {
- if( dvd->dev ) DVDinput_close( dvd->dev );
+ if( dvd->dev ) dvdinput_close( dvd->dev );
if( dvd->path_root ) free( dvd->path_root );
+ if( dvd->udfcache ) FreeUDFCache( dvd->udfcache );
free( dvd );
}
}
@@ -494,7 +556,7 @@ static dvd_file_t *DVDOpenFilePath( dvd_reader_t *dvd, char *filename )
/* Get the full path of the file. */
if( !findDVDFile( dvd, filename, full_path ) ) return 0;
- dev = DVDinput_open( full_path );
+ dev = dvdinput_open( full_path );
if( !dev ) return 0;
dvd_file = (dvd_file_t *) malloc( sizeof( dvd_file_t ) );
@@ -558,7 +620,7 @@ static dvd_file_t *DVDOpenVOBUDF( dvd_reader_t *dvd, int title, int menu )
dvd->css_state = 2;
}
/*
- if( DVDinput_title( dvd_file->dvd->dev, (int)start ) < 0 ) {
+ if( dvdinput_title( dvd_file->dvd->dev, (int)start ) < 0 ) {
fprintf( stderr, "libdvdread: Error cracking CSS key for %s\n",
filename );
}
@@ -598,7 +660,7 @@ static dvd_file_t *DVDOpenVOBPath( dvd_reader_t *dvd, int title, int menu )
return 0;
}
- dev = DVDinput_open( full_path );
+ dev = dvdinput_open( full_path );
if( dev == NULL ) {
free( dvd_file );
return 0;
@@ -611,7 +673,7 @@ static dvd_file_t *DVDOpenVOBPath( dvd_reader_t *dvd, int title, int menu )
}
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);
+ dvdinput_title( dvd_file->title_devs[0], 0);
dvd_file->filesize = dvd_file->title_sizes[ 0 ];
} else {
@@ -628,8 +690,8 @@ static dvd_file_t *DVDOpenVOBPath( dvd_reader_t *dvd, int title, int menu )
}
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->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 ] ) {
@@ -702,7 +764,7 @@ void DVDCloseFile( dvd_file_t *dvd_file )
} else {
for( i = 0; i < 9; ++i ) {
if( dvd_file->title_devs[ i ] ) {
- DVDinput_close( dvd_file->title_devs[i] );
+ dvdinput_close( dvd_file->title_devs[i] );
}
}
}
@@ -713,7 +775,7 @@ void DVDCloseFile( dvd_file_t *dvd_file )
}
/* Internal, but used from dvd_udf.c */
-int DVDReadBlocksUDFRaw( dvd_reader_t *device, uint32_t lb_number,
+int UDFReadBlocksRaw( dvd_reader_t *device, uint32_t lb_number,
size_t block_count, unsigned char *data,
int encrypted )
{
@@ -724,13 +786,13 @@ int DVDReadBlocksUDFRaw( dvd_reader_t *device, uint32_t lb_number,
return 0;
}
- ret = DVDinput_seek( device->dev, (int) lb_number );
+ ret = dvdinput_seek( device->dev, (int) lb_number );
if( ret != (int) lb_number ) {
fprintf( stderr, "libdvdread: Can't seek to block %u\n", lb_number );
return 0;
}
- return DVDinput_read( device->dev, (char *) data,
+ return dvdinput_read( device->dev, (char *) data,
(int) block_count, encrypted );
}
@@ -744,8 +806,8 @@ static int DVDReadBlocksUDF( dvd_file_t *dvd_file, uint32_t offset,
size_t block_count, unsigned char *data,
int encrypted )
{
- return DVDReadBlocksUDFRaw( dvd_file->dvd, dvd_file->lb_start + offset,
- block_count, data, encrypted );
+ return UDFReadBlocksRaw( dvd_file->dvd, dvd_file->lb_start + offset,
+ block_count, data, encrypted );
}
/* This is using possibly several inputs and starting from an offset of '0'.
@@ -768,13 +830,13 @@ static int DVDReadBlocksPath( dvd_file_t *dvd_file, unsigned int offset,
if( offset < dvd_file->title_sizes[ i ] ) {
if( ( offset + block_count ) <= dvd_file->title_sizes[ i ] ) {
- off = DVDinput_seek( dvd_file->title_devs[ i ], (int)offset );
+ off = dvdinput_seek( dvd_file->title_devs[ i ], (int)offset );
if( off < 0 || off != (int)offset ) {
fprintf( stderr, "libdvdread: Can't seek to block %d\n",
offset );
return off < 0 ? off : 0;
}
- ret = DVDinput_read( dvd_file->title_devs[ i ], data,
+ ret = dvdinput_read( dvd_file->title_devs[ i ], data,
(int)block_count, encrypted );
break;
} else {
@@ -783,13 +845,13 @@ static int DVDReadBlocksPath( dvd_file_t *dvd_file, unsigned int offset,
* (This is only true if you try and read >1GB at a time) */
/* Read part 1 */
- off = DVDinput_seek( dvd_file->title_devs[ i ], (int)offset );
+ off = dvdinput_seek( dvd_file->title_devs[ i ], (int)offset );
if( off < 0 || off != (int)offset ) {
fprintf( stderr, "libdvdread: Can't seek to block %d\n",
offset );
return off < 0 ? off : 0;
}
- ret = DVDinput_read( dvd_file->title_devs[ i ], data,
+ ret = dvdinput_read( dvd_file->title_devs[ i ], data,
(int)part1_size, encrypted );
if( ret < 0 ) return ret;
/* FIXME: This is wrong if i is the last file in the set.
@@ -799,13 +861,13 @@ static int DVDReadBlocksPath( dvd_file_t *dvd_file, unsigned int offset,
if( !dvd_file->title_devs[ i + 1 ] ) return ret;
/* Read part 2 */
- off = DVDinput_seek( dvd_file->title_devs[ i + 1 ], 0 );
+ off = dvdinput_seek( dvd_file->title_devs[ i + 1 ], 0 );
if( off < 0 || off != 0 ) {
fprintf( stderr, "libdvdread: Can't seek to block %d\n",
0 );
return off < 0 ? off : 0;
}
- ret2 = DVDinput_read( dvd_file->title_devs[ i + 1 ],
+ ret2 = dvdinput_read( dvd_file->title_devs[ i + 1 ],
data + ( part1_size
* (int64_t)DVD_VIDEO_LB_LEN ),
(int)(block_count - part1_size),
@@ -835,10 +897,12 @@ ssize_t DVDReadBlocks( dvd_file_t *dvd_file, int offset,
if( dvd_file->dvd->css_title != dvd_file->css_title ) {
dvd_file->dvd->css_title = dvd_file->css_title;
if( dvd_file->dvd->isImageFile ) {
- DVDinput_title( dvd_file->dvd->dev, (int)dvd_file->lb_start );
- } else {
- DVDinput_title( dvd_file->title_devs[ 0 ], (int)dvd_file->lb_start );
- }
+ dvdinput_title( dvd_file->dvd->dev, (int)dvd_file->lb_start );
+ }
+ /* Here each vobu has it's own dvdcss handle, so no need to update
+ else {
+ dvdinput_title( dvd_file->title_devs[ 0 ], (int)dvd_file->lb_start );
+ }*/
}
if( dvd_file->dvd->isImageFile ) {
@@ -883,7 +947,7 @@ ssize_t DVDReadBytes( dvd_file_t *dvd_file, void *data, size_t byte_size )
secbuf_base = (unsigned char *) malloc( numsec * DVD_VIDEO_LB_LEN + 2048 );
secbuf = (unsigned char *)(((int)secbuf_base & ~2047) + 2048);
- if( !secbuf ) {
+ if( !secbuf_base ) {
fprintf( stderr, "libdvdread: Can't allocate memory "
"for file read!\n" );
return 0;
@@ -917,3 +981,139 @@ ssize_t DVDFileSize( dvd_file_t *dvd_file )
return dvd_file->filesize;
}
+
+int DVDDiscID( dvd_reader_t *dvd, unsigned char *discid )
+{
+ struct md5_ctx ctx;
+ int title;
+
+ /* Check arguments. */
+ if( dvd == NULL || discid == NULL )
+ return 0;
+
+ /* Go through the first 10 IFO:s, in order,
+ * and md5sum them, i.e VIDEO_TS.IFO and VTS_0?_0.IFO */
+ md5_init_ctx( &ctx );
+ for( title = 0; title < 10; title++ ) {
+ dvd_file_t *dvd_file = DVDOpenFile( dvd, title, DVD_READ_INFO_FILE );
+ if( dvd_file != NULL ) {
+ ssize_t bytes_read;
+ size_t file_size = dvd_file->filesize * DVD_VIDEO_LB_LEN;
+ char *buffer_base = malloc( file_size + 2048 );
+ char *buffer = (unsigned char *)(((int)buffer_base & ~2047) + 2048);
+
+ if( buffer_base == NULL ) {
+ fprintf( stderr, "libdvdread: DVDDiscId, failed to "
+ "allocate memory for file read!\n" );
+ return -1;
+ }
+ bytes_read = DVDReadBytes( dvd_file, buffer, file_size );
+ if( bytes_read != file_size ) {
+ fprintf( stderr, "libdvdread: DVDDiscId read returned %d bytes"
+ ", wanted %d\n", bytes_read, file_size );
+ DVDCloseFile( dvd_file );
+ free( buffer_base );
+ return -1;
+ }
+
+ md5_process_bytes( buffer, file_size, &ctx );
+
+ DVDCloseFile( dvd_file );
+ free( buffer_base );
+ }
+ }
+ md5_finish_ctx( &ctx, discid );
+
+ return 0;
+}
+
+
+int DVDISOVolumeInfo( dvd_reader_t *dvd,
+ char *volid, unsigned int volid_size,
+ unsigned char *volsetid, unsigned int volsetid_size )
+{
+ unsigned char *buffer, *buffer_base;
+ int ret;
+
+ /* Check arguments. */
+ if( dvd == NULL )
+ return 0;
+
+ if( dvd->dev == NULL ) {
+ /* No block access, so no ISO... */
+ return -1;
+ }
+
+ buffer_base = malloc( DVD_VIDEO_LB_LEN + 2048 );
+ buffer = (unsigned char *)(((int)buffer_base & ~2047) + 2048);
+
+ if( buffer_base == NULL ) {
+ fprintf( stderr, "libdvdread: DVDISOVolumeInfo, failed to "
+ "allocate memory for file read!\n" );
+ return -1;
+ }
+
+ ret = UDFReadBlocksRaw( dvd, 16, 1, buffer, 0 );
+ if( ret != 1 ) {
+ fprintf( stderr, "libdvdread: DVDISOVolumeInfo, failed to "
+ "read ISO9660 Primary Volume Descriptor!\n" );
+ free( buffer_base );
+ return -1;
+ }
+
+ if( (volid != NULL) && (volid_size > 0) ) {
+ unsigned int n;
+ for(n = 0; n < 32; n++) {
+ if(buffer[40+n] == 0x20) {
+ break;
+ }
+ }
+
+ if(volid_size > n+1) {
+ volid_size = n+1;
+ }
+
+ memcpy(volid, &buffer[40], volid_size-1);
+ volid[volid_size-1] = '\0';
+ }
+
+ if( (volsetid != NULL) && (volsetid_size > 0) ) {
+ if(volsetid_size > 128) {
+ volsetid_size = 128;
+ }
+ memcpy(volsetid, &buffer[190], volsetid_size);
+ }
+ free( buffer_base );
+ return 0;
+}
+
+
+int DVDUDFVolumeInfo( dvd_reader_t *dvd,
+ char *volid, unsigned int volid_size,
+ unsigned char *volsetid, unsigned int volsetid_size )
+{
+ int ret;
+ /* Check arguments. */
+ if( dvd == NULL )
+ return -1;
+
+ if( dvd->dev == NULL ) {
+ /* No block access, so no UDF VolumeSet Identifier */
+ return -1;
+ }
+
+ if( (volid != NULL) && (volid_size > 0) ) {
+ ret = UDFGetVolumeIdentifier(dvd, volid, volid_size);
+ if(!ret) {
+ return -1;
+ }
+ }
+ if( (volsetid != NULL) && (volsetid_size > 0) ) {
+ ret = UDFGetVolumeSetIdentifier(dvd, volsetid, volsetid_size);
+ if(!ret) {
+ return -1;
+ }
+ }
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-30 01:37:34 +0000