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File libdvdread_udf.patch of Package libdvdread (Revision 4)
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4
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diff -ru libdvdread-0.9.7.orig/dvdread/dvd_input.c libdvdread-0.9.7/dvdread/dvd_input.c --- libdvdread-0.9.7.orig/dvdread/dvd_input.c 2005-09-19 15:43:08.000000000 +0200 +++ libdvdread-0.9.7/dvdread/dvd_input.c 2008-02-21 09:42:01.000000000 +0100 @@ -376,6 +376,8 @@ } #endif /* HAVE_DVDCSS_DVDCSS_H */ + fprintf(stderr, "libdvdread patched to play DVDs with DVD-Movie-Protect\n"); + dvdcss_library_init = 1; if(dvdcss_library) { diff -ru libdvdread-0.9.7.orig/dvdread/dvd_udf.c libdvdread-0.9.7/dvdread/dvd_udf.c --- libdvdread-0.9.7.orig/dvdread/dvd_udf.c 2005-09-19 15:43:08.000000000 +0200 +++ libdvdread-0.9.7/dvdread/dvd_udf.c 2008-02-21 09:42:01.000000000 +0100 @@ -39,6 +39,9 @@ #include <sys/stat.h> #include <unistd.h> #include <errno.h> +#ifndef __WIN32__ +#include <fnmatch.h> +#endif #if defined(HAVE_INTTYPES_H) #include <inttypes.h> @@ -50,6 +53,9 @@ #include "dvd_udf.h" #include "dvdread_internal.h" +#include "ifo_types.h" +#include "ifo_read.h" + #ifndef EMEDIUMTYPE #define EMEDIUMTYPE ENOENT #endif @@ -962,7 +968,7 @@ return part->valid; } -uint32_t UDFFindFile( dvd_reader_t *device, char *filename, +static uint32_t UDFFindFileReal( dvd_reader_t *device, char *filename, uint32_t *filesize ) { uint8_t *LogBlock; @@ -1065,6 +1071,83 @@ } } +/** + * Get the offset from the ifo files to allow playback of DVDs + * with a deliberately broken UDF file system (aka DVD-Movie-Protect). + * When the file is not an IFO or VOB, it calls the real UDF routine. + */ +uint32_t UDFFindFile( dvd_reader_t *device, char *filename, + uint32_t *filesize ) +{ +#ifndef __WIN32__ + if (!fnmatch("/VIDEO_TS/VTS_[0-9][0-9]_[0-9].???", filename, FNM_PATHNAME)) { +#else + if (strlen("/VIDEO_TS/VTS_01_1.VOB") == strlen(filename) + && !strncmp(filename, "/VIDEO_TS/VTS_", strlen("/VIDEO_TS/VTS_")) ) { +#endif + size_t len = strlen(filename); + char *extension = &filename[len-3]; + if (!strcmp(extension, "IFO") || !strcmp(extension, "VOB")) { + int title = atoi(&filename[len-8]); + int part = atoi(&filename[len-5]); + + ifo_handle_t *ifo_handle = ifoOpen(device, 0); + if (0 == ifo_handle) + return 0; + + uint32_t tmp_filesize; + uint32_t offset = UDFFindFileReal(device, "/VIDEO_TS/VIDEO_TS.IFO", &tmp_filesize); + + int i; + for (i=0; i<ifo_handle->tt_srpt->nr_of_srpts; i++) + if (title == ifo_handle->tt_srpt->title[i].title_set_nr) + break; + + if (i == ifo_handle->tt_srpt->nr_of_srpts) { + /* not found */ + ifoClose(ifo_handle); + return 0; + } + offset += ifo_handle->tt_srpt->title[i].title_set_sector; + ifoClose(ifo_handle); + + if (!strcmp(extension, "VOB")) { + ifo_handle = ifoOpen(device, title); + if (0 == ifo_handle) + return 0; + + switch(part) { + case 0: + if (0 == ifo_handle->vtsi_mat->vtsm_vobs) { + ifoClose(ifo_handle); + return 0; + } + offset += ifo_handle->vtsi_mat->vtsm_vobs; + break; + case 1: + if (0 == ifo_handle->vtsi_mat->vtstt_vobs) { + ifoClose(ifo_handle); + return 0; + } + offset += ifo_handle->vtsi_mat->vtstt_vobs; + break; + default: /* can't get other parts (also no need to) */ + offset = 0; + break; + } + + ifoClose(ifo_handle); + } + + + *filesize = 1000000; /* File size unknown */ + if (offset != 0) + return offset; + } + } + + return UDFFindFileReal( device, filename, filesize); +} /**