/* Open a dvd */ static inline int open_dvd(struct mount_info *mi) { int title, domain, done; if (!(mi->dvd = DVDOpen(mi->dvdpath))) { fprintf(stderr, "Could not DVDOpen(%s)\n", mi->dvdpath); return -ENOENT; } /* Every time we re-open dvd, increase the file times in stat by 1-sec * so that we invalidate any caching */ file_time++; fprintf(stderr, "Dvdopen(%s) worked\n", mi->dvdpath); memset(mi->vol_id,0,VOL_ID_SIZE+1); mi->vol_id_info.fd=0; if (DVDISOVolumeInfo(mi->dvd, mi->vol_id, VOL_ID_SIZE, NULL, 0) > -1) { mi->vol_id_info.len=strlen(mi->vol_id); fprintf(stderr, "Dvdopen(%s) : Volume id (%s)\n", mi->dvdpath, mi->vol_id); } else { mi->vol_id_info.len=0; fprintf(stderr, "Dvdopen(%s) : Unable to get volume id\n", mi->dvdpath); } /* Open all the files and determine number of titles. */ done = 0; for (title = 0; !done && title <= MAX_TITLE; ++title) { for (domain = MIN_DOMAIN; domain <= MAX_DOMAIN; ++domain) { struct file_info *fi = mi->file[domain]+title; if (title == 0 && domain == DVD_READ_TITLE_VOBS) continue; if (!(fi->fd = DVDOpenFile(mi->dvd, title, domain)) && domain == DVD_READ_TITLE_VOBS && title > 0) { done = 1; break; } fi->len = (off_t)DVDFileSize(fi->fd) * DVD_VIDEO_LB_LEN; } } mi->num_title = title - 1; if (mi->num_title < 1) { return -ENOENT; } return 0; }
title_set_info_t * DVDGetFileSet(char *dvd) { /* * TODO Fix close of files if * we error out * We also assume that all * DVD files are of valid * size i.e. file%2048 == 0 */ /* title interation */ int title_sets; int titles; int counter; int i; /* DVD file structures */ dvd_reader_t * _dvd = NULL; ifo_handle_t * vmg_ifo = NULL; ifo_handle_t * vts_ifo = NULL; dvd_file_t * vmg_vob_file = NULL; dvd_file_t * vmg_ifo_file = NULL; dvd_file_t * vts_ifo_file = NULL; dvd_file_t * vts_menu_file = NULL; dvd_file_t * vts_title_file = NULL; /* The sizes it self of each file */ int ifo; int bup; int menu_vob; int title_vob; /* Arrays keeping the title - filset relationship */ int * sector; int * title; int * title_sets_array; int * sector_sets_array; /* DVD Video files */ struct stat fileinfo; char temppoint[PATH_MAX + 1]; /* The Title Set Info struct*/ title_set_info_t * title_set_info; /* Temporary mount point - to be used later */ char mountpoint[PATH_MAX + 1]; strncpy(mountpoint, dvd, sizeof (mountpoint)); mountpoint[sizeof (mountpoint)-1] = '\0'; _dvd = DVDOpen(dvd); if (!_dvd) { #ifdef USE_LIBSCHILY errmsgno(EX_BAD, "Can't open device '%s'\n", dvd); #else fprintf(stderr, "Can't open device\n"); #endif return (0); } vmg_ifo = ifoOpen(_dvd, 0); if (!vmg_ifo) { #ifdef USE_LIBSCHILY errmsgno(EX_BAD, "Can't open VMG info for '%s'.\n", dvd); #else fprintf(stderr, "Can't open VMG info.\n"); #endif return (0); } /* Check mount point */ snprintf(temppoint, sizeof (temppoint), "%s/VIDEO_TS/VIDEO_TS.IFO", mountpoint); if (stat(temppoint, &fileinfo) < 0) { /* If we can't stat the file, give up */ #ifdef USE_LIBSCHILY errmsg("Can't stat %s\n", temppoint); #else fprintf(stderr, "Can't stat %s\n", temppoint); perror(""); #endif return (0); } title_sets = vmg_ifo->vmgi_mat->vmg_nr_of_title_sets; titles = vmg_ifo->tt_srpt->nr_of_srpts; sector = e_malloc(titles * sizeof (int)); memset(sector, 0, titles * sizeof (int)); title = e_malloc(titles * sizeof (int)); title_sets_array = e_malloc(title_sets * sizeof (int)); sector_sets_array = e_malloc(title_sets * sizeof (int)); title_set_info = (title_set_info_t *)e_malloc(sizeof (title_set_info_t)); title_set_info->title_set = (title_set_t *)e_malloc((title_sets + 1) * sizeof (title_set_t)); title_set_info->num_titles = title_sets; /* Fill and sort the arrays for titles*/ if (titles >= 1) { for (counter = 0; counter < titles; counter++) { sector[counter] = vmg_ifo->tt_srpt->title[counter].title_set_sector; title[counter] = counter + 1; } } /* Yes, we should probably do a better sort than B - but what the heck*/ bsort(sector, title, titles); /* * Since title sets and titles are not the same we will need to sort * out "bogus" titles */ uniq(sector, title, title_sets_array, sector_sets_array, titles); /* Open VIDEO_TS.VOB is present */ vmg_vob_file = DVDOpenFile(_dvd, 0, DVD_READ_MENU_VOBS); /* Check VIDEO_TS title set */ vmg_ifo_file = DVDOpenFile(_dvd, 0, DVD_READ_INFO_FILE); if ((vmg_vob_file == 0) && vmg_ifo->vmgi_mat->vmg_last_sector + 1 < 2 * DVDFileSize(vmg_ifo_file)) { #ifdef USE_LIBSCHILY errmsgno(EX_BAD, "IFO is not of correct size aborting\n"); #else fprintf(stderr, "IFO is not of correct size aborting\n"); #endif DVDFreeFileSetArrays(sector, title, title_sets_array, sector_sets_array); DVDFreeFileSet(title_set_info); return (0); } else if ((vmg_vob_file != 0) && (vmg_ifo->vmgi_mat->vmg_last_sector + 1 < 2 * DVDFileSize(vmg_ifo_file) + DVDFileSize(vmg_vob_file))) { #ifdef USE_LIBSCHILY errmsgno(EX_BAD, "Either VIDEO_TS.IFO or VIDEO_TS.VOB is not of correct size"); #else fprintf(stderr, "Either VIDEO_TS.IFO or VIDEO_TS.VOB is not of correct size"); #endif DVDFreeFileSetArrays(sector, title, title_sets_array, sector_sets_array); DVDFreeFileSet(title_set_info); return (0); } /* Find the actuall right size of VIDEO_TS.IFO */ if (vmg_vob_file == 0) { if (vmg_ifo->vmgi_mat->vmg_last_sector + 1 > 2 * DVDFileSize(vmg_ifo_file)) { ifo = vmg_ifo->vmgi_mat->vmg_last_sector - DVDFileSize(vmg_ifo_file) + 1; } else { ifo = vmg_ifo->vmgi_mat->vmgi_last_sector + 1; } } else { if (vmg_ifo->vmgi_mat->vmgi_last_sector + 1 < vmg_ifo->vmgi_mat->vmgm_vobs) { ifo = vmg_ifo->vmgi_mat->vmgm_vobs; } else { ifo = vmg_ifo->vmgi_mat->vmgi_last_sector + 1; } } title_set_info->title_set[0].size_ifo = ifo * 2048; title_set_info->title_set[0].realsize_ifo = fileinfo.st_size; title_set_info->title_set[0].pad_ifo = ifo - DVDFileSize(vmg_ifo_file); /* Find the actuall right size of VIDEO_TS.VOB */ if (vmg_vob_file != 0) { if (ifo + DVDFileSize(vmg_ifo_file) + DVDFileSize(vmg_vob_file) - 1 < vmg_ifo->vmgi_mat->vmg_last_sector) { menu_vob = vmg_ifo->vmgi_mat->vmg_last_sector - ifo - DVDFileSize(vmg_ifo_file) + 1; } else { menu_vob = vmg_ifo->vmgi_mat->vmg_last_sector - ifo - DVDFileSize(vmg_ifo_file) + 1; } snprintf(temppoint, sizeof (temppoint), "%s/VIDEO_TS/VIDEO_TS.VOB", mountpoint); if (stat(temppoint, &fileinfo) < 0) { #ifdef USE_LIBSCHILY errmsg("calc: Can't stat %s\n", temppoint); #else fprintf(stderr, "calc: Can't stat %s\n", temppoint); perror(""); #endif DVDFreeFileSetArrays(sector, title, title_sets_array, sector_sets_array); DVDFreeFileSet(title_set_info); return (0); } title_set_info->title_set[0].realsize_menu = fileinfo.st_size; title_set_info->title_set[0].pad_menu = menu_vob - DVDFileSize(vmg_vob_file); title_set_info->title_set[0].size_menu = menu_vob * 2048; DVDCloseFile(vmg_vob_file); } else { title_set_info->title_set[0].size_menu = 0; title_set_info->title_set[0].realsize_menu = 0; title_set_info->title_set[0].pad_menu = 0; menu_vob = 0; } /* Finding the actuall right size of VIDEO_TS.BUP */ if (title_sets >= 1) { bup = sector_sets_array[0] - menu_vob - ifo; } else { /* Just in case we burn a DVD-Video without any title_sets */ bup = vmg_ifo->vmgi_mat->vmg_last_sector + 1 - menu_vob - ifo; } /* Never trust the BUP file - use a copy of the IFO */ snprintf(temppoint, sizeof (temppoint), "%s/VIDEO_TS/VIDEO_TS.IFO", mountpoint); if (stat(temppoint, &fileinfo) < 0) { #ifdef USE_LIBSCHILY errmsg("calc: Can't stat %s\n", temppoint); #else fprintf(stderr, "calc: Can't stat %s\n", temppoint); perror(""); #endif DVDFreeFileSetArrays(sector, title, title_sets_array, sector_sets_array); DVDFreeFileSet(title_set_info); return (0); } title_set_info->title_set[0].realsize_bup = fileinfo.st_size; title_set_info->title_set[0].size_bup = bup * 2048; title_set_info->title_set[0].pad_bup = bup - DVDFileSize(vmg_ifo_file); /* Take care of the titles which we don't have in VMG */ title_set_info->title_set[0].number_of_vob_files = 0; title_set_info->title_set[0].realsize_vob[0] = 0; title_set_info->title_set[0].pad_title = 0; DVDCloseFile(vmg_ifo_file); if (title_sets >= 1) { for (counter = 0; counter < title_sets; counter++) { vts_ifo = ifoOpen(_dvd, counter + 1); if (!vts_ifo) { #ifdef USE_LIBSCHILY errmsgno(EX_BAD, "Can't open VTS info.\n"); #else fprintf(stderr, "Can't open VTS info.\n"); #endif DVDFreeFileSetArrays(sector, title, title_sets_array, sector_sets_array); DVDFreeFileSet(title_set_info); return (0); } snprintf(temppoint, sizeof (temppoint), "%s/VIDEO_TS/VTS_%02i_0.IFO", mountpoint, counter + 1); if (stat(temppoint, &fileinfo) < 0) { #ifdef USE_LIBSCHILY errmsg("calc: Can't stat %s\n", temppoint); #else fprintf(stderr, "calc: Can't stat %s\n", temppoint); perror(""); #endif DVDFreeFileSetArrays(sector, title, title_sets_array, sector_sets_array); DVDFreeFileSet(title_set_info); return (0); } /* Test if VTS_XX_0.VOB is present */ vts_menu_file = DVDOpenFile(_dvd, counter + 1, DVD_READ_MENU_VOBS); /* Test if VTS_XX_X.VOB are present */ vts_title_file = DVDOpenFile(_dvd, counter + 1, DVD_READ_TITLE_VOBS); /* Check VIDEO_TS.IFO */ vts_ifo_file = DVDOpenFile(_dvd, counter + 1, DVD_READ_INFO_FILE); /* * Checking that title will fit in the * space given by the ifo file */ if (vts_ifo->vtsi_mat->vts_last_sector + 1 < 2 * DVDFileSize(vts_ifo_file)) { #ifdef USE_LIBSCHILY errmsgno(EX_BAD, "IFO is not of correct size aborting.\n"); #else fprintf(stderr, "IFO is not of correct size aborting\n"); #endif DVDFreeFileSetArrays(sector, title, title_sets_array, sector_sets_array); DVDFreeFileSet(title_set_info); return (0); } else if ((vts_title_file != 0) && (vts_menu_file != 0) && (vts_ifo->vtsi_mat->vts_last_sector + 1 < 2 * DVDFileSize(vts_ifo_file) + DVDFileSize(vts_title_file) + DVDFileSize(vts_menu_file))) { #ifdef USE_LIBSCHILY errmsgno(EX_BAD, "Either VIDEO_TS.IFO or VIDEO_TS.VOB is not of correct size.\n"); #else fprintf(stderr, "Either VIDEO_TS.IFO or VIDEO_TS.VOB is not of correct size"); #endif DVDFreeFileSetArrays(sector, title, title_sets_array, sector_sets_array); DVDFreeFileSet(title_set_info); return (0); } else if ((vts_title_file != 0) && (vts_menu_file == 0) && (vts_ifo->vtsi_mat->vts_last_sector + 1 < 2 * DVDFileSize(vts_ifo_file) + DVDFileSize(vts_title_file))) { #ifdef USE_LIBSCHILY errmsgno(EX_BAD, "Either VIDEO_TS.IFO or VIDEO_TS.VOB is not of correct size.\n"); #else fprintf(stderr, "Either VIDEO_TS.IFO or VIDEO_TS.VOB is not of correct size"); #endif DVDFreeFileSetArrays(sector, title, title_sets_array, sector_sets_array); DVDFreeFileSet(title_set_info); return (0); } else if ((vts_menu_file != 0) && (vts_title_file == 0) && (vts_ifo->vtsi_mat->vts_last_sector + 1 < 2 * DVDFileSize(vts_ifo_file) + DVDFileSize(vts_menu_file))) { #ifdef USE_LIBSCHILY errmsgno(EX_BAD, "Either VIDEO_TS.IFO or VIDEO_TS.VOB is not of correct size.\n"); #else fprintf(stderr, "Either VIDEO_TS.IFO or VIDEO_TS.VOB is not of correct size"); #endif DVDFreeFileSetArrays(sector, title, title_sets_array, sector_sets_array); DVDFreeFileSet(title_set_info); return (0); } /* Find the actuall right size of VTS_XX_0.IFO */ if ((vts_title_file == 0) && (vts_menu_file == 0)) { if (vts_ifo->vtsi_mat->vts_last_sector + 1 > 2 * DVDFileSize(vts_ifo_file)) { ifo = vts_ifo->vtsi_mat->vts_last_sector - DVDFileSize(vts_ifo_file) + 1; } else { ifo = vts_ifo->vtsi_mat->vts_last_sector - DVDFileSize(vts_ifo_file) + 1; } } else if (vts_title_file == 0) { if (vts_ifo->vtsi_mat->vtsi_last_sector + 1 < vts_ifo->vtsi_mat->vtstt_vobs) { ifo = vmg_ifo->vtsi_mat->vtstt_vobs; } else { ifo = vmg_ifo->vtsi_mat->vtstt_vobs; } } else { if (vts_ifo->vtsi_mat->vtsi_last_sector + 1 < vts_ifo->vtsi_mat->vtsm_vobs) { ifo = vts_ifo->vtsi_mat->vtsm_vobs; } else { ifo = vts_ifo->vtsi_mat->vtsi_last_sector + 1; } } title_set_info->title_set[counter + 1].size_ifo = ifo * 2048; title_set_info->title_set[counter + 1].realsize_ifo = fileinfo.st_size; title_set_info->title_set[counter + 1].pad_ifo = ifo - DVDFileSize(vts_ifo_file); /* Find the actuall right size of VTS_XX_0.VOB */ if (vts_menu_file != 0) { if (vts_ifo->vtsi_mat->vtsm_vobs == 0) { /* * Apparently start sector 0 means that * VTS_XX_0.VOB is empty after all... */ menu_vob = 0; if (DVDFileSize(vts_menu_file) != 0) { /* * Paranoia: we most likely never * come here... */ #ifdef USE_LIBSCHILY errmsgno(EX_BAD, "%s/VIDEO_TS/VTS_%02i_0.IFO appears to be corrupted.\n", mountpoint, counter+1); #else fprintf(stderr, "%s/VIDEO_TS/VTS_%02i_0.IFO appears to be corrupted.\n", mountpoint, counter+1); #endif return (0); } } else if ((vts_title_file != 0) && (vts_ifo->vtsi_mat->vtstt_vobs - vts_ifo->vtsi_mat->vtsm_vobs > DVDFileSize(vts_menu_file))) { menu_vob = vts_ifo->vtsi_mat->vtstt_vobs - vts_ifo->vtsi_mat->vtsm_vobs; } else if ((vts_title_file == 0) && (vts_ifo->vtsi_mat->vtsm_vobs + DVDFileSize(vts_menu_file) + DVDFileSize(vts_ifo_file) - 1 < vts_ifo->vtsi_mat->vts_last_sector)) { menu_vob = vts_ifo->vtsi_mat->vts_last_sector - DVDFileSize(vts_ifo_file) - vts_ifo->vtsi_mat->vtsm_vobs + 1; } else { menu_vob = vts_ifo->vtsi_mat->vtstt_vobs - vts_ifo->vtsi_mat->vtsm_vobs; } snprintf(temppoint, sizeof (temppoint), "%s/VIDEO_TS/VTS_%02i_0.VOB", mountpoint, counter + 1); if (stat(temppoint, &fileinfo) < 0) { #ifdef USE_LIBSCHILY errmsg("calc: Can't stat %s\n", temppoint); #else fprintf(stderr, "calc: Can't stat %s\n", temppoint); perror(""); #endif DVDFreeFileSetArrays(sector, title, title_sets_array, sector_sets_array); DVDFreeFileSet(title_set_info); return (0); } title_set_info->title_set[counter + 1].realsize_menu = fileinfo.st_size; title_set_info->title_set[counter + 1].size_menu = menu_vob * 2048; title_set_info->title_set[counter + 1].pad_menu = menu_vob - DVDFileSize(vts_menu_file); } else { title_set_info->title_set[counter + 1].size_menu = 0; title_set_info->title_set[counter + 1].realsize_menu = 0; title_set_info->title_set[counter + 1].pad_menu = 0; menu_vob = 0; } /* Find the actuall total size of VTS_XX_[1 to 9].VOB */ if (vts_title_file != 0) { if (ifo + menu_vob + DVDFileSize(vts_ifo_file) - 1 < vts_ifo->vtsi_mat->vts_last_sector) { title_vob = vts_ifo->vtsi_mat->vts_last_sector + 1 - ifo - menu_vob - DVDFileSize(vts_ifo_file); } else { title_vob = vts_ifo->vtsi_mat->vts_last_sector + 1 - ifo - menu_vob - DVDFileSize(vts_ifo_file); } /* * Find out how many vob files * and the size of them */ for (i = 0; i < 9; ++i) { snprintf(temppoint, sizeof (temppoint), "%s/VIDEO_TS/VTS_%02i_%i.VOB", mountpoint, counter + 1, i + 1); if (stat(temppoint, &fileinfo) < 0) { break; } title_set_info->title_set[counter + 1].realsize_vob[i] = fileinfo.st_size; } title_set_info->title_set[counter + 1].number_of_vob_files = i; title_set_info->title_set[counter + 1].size_title = title_vob * 2048; title_set_info->title_set[counter + 1].pad_title = title_vob - DVDFileSize(vts_title_file); } else { title_set_info->title_set[counter + 1].number_of_vob_files = 0; title_set_info->title_set[counter + 1].realsize_vob[0] = 0; title_set_info->title_set[counter + 1].size_title = 0; title_set_info->title_set[counter + 1].pad_title = 0; title_vob = 0; } /* Find the actuall total size of VTS_XX_0.BUP */ if (title_sets - 1 > counter) { bup = sector_sets_array[counter+1] - sector_sets_array[counter] - title_vob - menu_vob - ifo; } else { bup = vts_ifo->vtsi_mat->vts_last_sector + 1 - title_vob - menu_vob - ifo; } /* Never trust the BUP use a copy of the IFO */ snprintf(temppoint, sizeof (temppoint), "%s/VIDEO_TS/VTS_%02i_0.IFO", mountpoint, counter + 1); if (stat(temppoint, &fileinfo) < 0) { #ifdef USE_LIBSCHILY errmsg("calc: Can't stat %s\n", temppoint); #else fprintf(stderr, "calc: Can't stat %s\n", temppoint); perror(""); #endif DVDFreeFileSetArrays(sector, title, title_sets_array, sector_sets_array); DVDFreeFileSet(title_set_info); return (0); } title_set_info->title_set[counter + 1].size_bup = bup * 2048; title_set_info->title_set[counter + 1].realsize_bup = fileinfo.st_size; title_set_info->title_set[counter + 1].pad_bup = bup - DVDFileSize(vts_ifo_file); /* Closing files */ if (vts_menu_file != 0) { DVDCloseFile(vts_menu_file); } if (vts_title_file != 0) { DVDCloseFile(vts_title_file); } if (vts_ifo_file != 0) { DVDCloseFile(vts_ifo_file); } ifoClose(vts_ifo); } } DVDFreeFileSetArrays(sector, title, title_sets_array, sector_sets_array); /* Close the VMG ifo file we got all the info we need */ ifoClose(vmg_ifo); /* Close the DVD */ DVDClose(_dvd); /* Return the actuall info*/ return (title_set_info); }