/**
* Open a DVD image or block device file or use stream_cb functions.
*/
static dvd_reader_t *DVDOpenImageFile( const char *location,
void *stream,
dvd_reader_stream_cb *stream_cb,
int have_css )
{
dvd_reader_t *dvd;
dvd_input_t dev;
dev = dvdinput_open( location, stream, stream_cb );
if( !dev ) {
fprintf( stderr, "libdvdread: Can't open %s for reading\n", location );
return NULL;
}
dvd = calloc( 1, sizeof( dvd_reader_t ) );
if( !dvd ) {
dvdinput_close(dev);
return NULL;
}
dvd->isImageFile = 1;
dvd->dev = dev;
dvd->udfcache_level = DEFAULT_UDF_CACHE_LEVEL;
if( have_css ) {
/* Only if DVDCSS_METHOD = title, a bit if it's disc or if
* DVDCSS_METHOD = key but region mismatch. Unfortunately we
* don't have that information. */
dvd->css_state = 1; /* Need key init. */
}
return dvd;
}
/**
* 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;
}
/**
* Open a DVD image or block device file.
*/
static dvd_reader_t *DVDOpenImageFile( const char *location, int have_css )
{
dvd_reader_t *dvd;
dvd_input_t dev;
dev = dvdinput_open( location );
if( !dev ) {
fprintf( stderr, "libdvdread: Can't open %s for reading\n", location );
return 0;
}
dvd = (dvd_reader_t *) malloc( sizeof( dvd_reader_t ) );
if( !dvd ) return 0;
dvd->isImageFile = 1;
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
* don't have that information. */
dvd->css_state = 1; /* Need key init. */
}
dvd->css_title = 0;
return dvd;
}
/**
* 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;
}
/**
* Open a DVD image or block device file.
*/
static dvd_reader_t *DVDOpenImageFile( const char *location, int have_css )
{
dvd_reader_t *dvd;
dvd_input_t dev;
static int volid_size = 32, volsetid_size = 128;
char volid[volid_size];
unsigned char volsetid[volsetid_size];
dev = dvdinput_open( location );
if( !dev ) {
fprintf( stderr, "libdvdread: Can't open %s for reading\n", location );
return NULL;
}
dvd = (dvd_reader_t *) malloc( sizeof( dvd_reader_t ) );
if( !dvd ) {
dvdinput_close(dev);
return NULL;
}
dvd->dev = dev;
dvd->path_root = NULL;
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 mismatch. Unfortunately we
* don't have that information. */
dvd->css_state = 1; /* Need key init. */
} else {
dvd->css_state = 0;
}
dvd->css_title = 0;
// check is iso9660/udf format
if (DVDUDFVolumeInfo(dvd, volid, volid_size, volsetid, volsetid_size) == 0)
{
dvd->isImageFile = 1;
}
else if (DVDISOVolumeInfo(dvd, volid, volid_size, volsetid, volsetid_size) == 0)
{
dvd->isImageFile = 2;
}
else{
dvdinput_close(dev);
free(dvd);
dvd = NULL;
}
return dvd;
}
/**
* Open an unencrypted file from a DVD directory tree.
*/
static dvd_file_t *DVDOpenFilePath( dvd_reader_t *dvd, const 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 ) ) {
fprintf( stderr, "libdvdread:DVDOpenFilePath:findDVDFile %s failed\n", filename );
return NULL;
}
dev = dvdinput_open( full_path, NULL, NULL );
if( !dev ) {
fprintf( stderr, "libdvdread:DVDOpenFilePath:dvdinput_open %s failed\n", full_path );
return NULL;
}
dvd_file = calloc( 1, sizeof( dvd_file_t ) );
if( !dvd_file ) {
fprintf( stderr, "libdvdread:DVDOpenFilePath:dvd_file malloc failed\n" );
dvdinput_close(dev);
return NULL;
}
dvd_file->dvd = dvd;
if( mythfile_stat( full_path, &fileinfo ) < 0 ) {
fprintf( stderr, "libdvdread: Can't stat() %s.\n", filename );
free( dvd_file );
dvdinput_close( dev );
return NULL;
}
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 *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;
dvd_file = calloc( 1, sizeof( dvd_file_t ) );
if( !dvd_file ) return NULL;
dvd_file->dvd = dvd;
/*Hack*/ dvd_file->css_title = title << 1 | menu;
if( menu ) {
dvd_input_t dev;
if( title == 0 ) {
strcpy( filename, "VIDEO_TS.VOB" );
} else {
sprintf( filename, "VTS_%02i_0.VOB", title );
}
if( !findDVDFile( dvd, filename, full_path ) ) {
free( dvd_file );
return NULL;
}
dev = dvdinput_open( full_path, NULL, NULL );
if( dev == NULL ) {
free( dvd_file );
return NULL;
}
if( mythfile_stat( full_path, &fileinfo ) < 0 ) {
fprintf( stderr, "libdvdread: Can't stat() %s.\n", filename );
dvdinput_close(dev);
free( dvd_file );
return NULL;
}
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 {
int i;
for( i = 0; i < TITLES_MAX; ++i ) {
sprintf( filename, "VTS_%02i_%i.VOB", title, i + 1 );
if( !findDVDFile( dvd, filename, full_path ) ) {
break;
}
if( mythfile_stat( full_path, &fileinfo ) < 0 ) {
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, NULL, NULL );
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 NULL;
}
}
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;
}
