X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fcdriso.c;h=8171674a86d133a402e71d491c76cc0dffa18d82;hb=2ca9045dfca7302d26965abe3e85846a1770dd8f;hp=6f595792de2889b2a6ad9611d58ea81ecf262eb6;hpb=1bedbd6f272bd83af54c80eb0089ae1d6f4561a2;p=pcsx_rearmed.git diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c index 6f595792..8171674a 100644 --- a/libpcsxcore/cdriso.c +++ b/libpcsxcore/cdriso.c @@ -27,6 +27,9 @@ #include #include +#ifdef HAVE_CHD +#include +#endif #ifdef _WIN32 #define WIN32_LEAN_AND_MEAN @@ -93,6 +96,17 @@ static struct { unsigned int sector_in_blk; } *compr_img; +#ifdef HAVE_CHD +static struct { + unsigned char (*buffer)[CD_FRAMESIZE_RAW + SUB_FRAMESIZE]; + chd_file* chd; + const chd_header* header; + unsigned int sectors_per_hunk; + unsigned int current_hunk; + unsigned int sector_in_hunk; +} *chd_img; +#endif + int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); char* CALLBACK CDR__getDriveLetter(void); @@ -1029,6 +1043,80 @@ fail_io: return -1; } +#ifdef HAVE_CHD +static int handlechd(const char *isofile) { + chd_img = calloc(1, sizeof(*chd_img)); + if (chd_img == NULL) + goto fail_io; + + if(chd_open(isofile, CHD_OPEN_READ, NULL, &chd_img->chd) != CHDERR_NONE) + goto fail_io; + + chd_img->header = chd_get_header(chd_img->chd); + + chd_img->buffer = malloc(chd_img->header->hunkbytes); + if (chd_img->buffer == NULL) + goto fail_io; + + chd_img->sectors_per_hunk = chd_img->header->hunkbytes / (CD_FRAMESIZE_RAW + SUB_FRAMESIZE); + chd_img->current_hunk = (unsigned int)-1; + + cddaBigEndian = TRUE; + + numtracks = 0; + int frame_offset = 150; + memset(ti, 0, sizeof(ti)); + + while (1) + { + struct { + char type[64]; + char subtype[32]; + char pgtype[32]; + char pgsub[32]; + uint32_t track; + uint32_t frames; + uint32_t pregap; + uint32_t postgap; + } md = {}; + char meta[256]; + uint32_t meta_size = 0; + + if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA2_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) + sscanf(meta, CDROM_TRACK_METADATA2_FORMAT, &md.track, md.type, md.subtype, &md.frames, &md.pregap, md.pgtype, md.pgsub, &md.postgap); + else if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) + sscanf(meta, CDROM_TRACK_METADATA_FORMAT, &md.track, md.type, md.subtype, &md.frames); + else + break; + + ti[md.track].type = !strncmp(md.type, "AUDIO", 5) ? CDDA : DATA; + + sec2msf(frame_offset + md.pregap, ti[md.track].start); + sec2msf(md.frames - md.pregap, ti[md.track].length); + + if (!strcmp(md.type, md.pgtype)) + frame_offset += md.pregap; + + ti[md.track].start_offset = frame_offset * CD_FRAMESIZE_RAW; + + frame_offset += md.frames; + frame_offset += md.postgap; + numtracks++; + } + + if (numtracks) + return 0; + +fail_io: + if (chd_img != NULL) { + free(chd_img->buffer); + free(chd_img); + chd_img = NULL; + } + return -1; +} +#endif + // this function tries to get the .sub file of the given .img static int opensubfile(const char *isoname) { char subname[MAXPATHLEN]; @@ -1052,13 +1140,18 @@ static int opensubfile(const char *isoname) { } static int opensbifile(const char *isoname) { - char sbiname[MAXPATHLEN]; + char sbiname[MAXPATHLEN], disknum[MAXPATHLEN] = "0"; int s; strncpy(sbiname, isoname, sizeof(sbiname)); sbiname[MAXPATHLEN - 1] = '\0'; if (strlen(sbiname) >= 4) { - strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); + if (cdrIsoMultidiskCount > 1) { + sprintf(disknum, "_%i.sbi", cdrIsoMultidiskSelect + 1); + strcpy(sbiname + strlen(sbiname) - 4, disknum); + } + else + strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); } else { return -1; @@ -1190,6 +1283,31 @@ finish: return CD_FRAMESIZE_RAW; } +#ifdef HAVE_CHD +static int cdread_chd(FILE *f, unsigned int base, void *dest, int sector) +{ + int hunk; + + if (base) + sector += base / CD_FRAMESIZE_RAW; + + hunk = sector / chd_img->sectors_per_hunk; + chd_img->sector_in_hunk = sector % chd_img->sectors_per_hunk; + + if (hunk == chd_img->current_hunk) + goto finish; + + chd_read(chd_img->chd, hunk, chd_img->buffer); + + chd_img->current_hunk = hunk; + +finish: + if (dest != cdbuffer) // copy avoid HACK + memcpy(dest, chd_img->buffer[chd_img->sector_in_hunk], + CD_FRAMESIZE_RAW); + return CD_FRAMESIZE_RAW; +} +#endif static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) { int ret; @@ -1209,6 +1327,12 @@ static unsigned char * CALLBACK ISOgetBuffer_compr(void) { return compr_img->buff_raw[compr_img->sector_in_blk] + 12; } +#ifdef HAVE_CHD +static unsigned char * CALLBACK ISOgetBuffer_chd(void) { + return chd_img->buffer[chd_img->sector_in_hunk] + 12; +} +#endif + static unsigned char * CALLBACK ISOgetBuffer(void) { return cdbuffer + 12; } @@ -1230,6 +1354,7 @@ static long CALLBACK ISOopen(void) { boolean isMode1ISO = FALSE; char alt_bin_filename[MAXPATHLEN]; const char *bin_filename; + char image_str[1024] = {0}; if (cdHandle != NULL) { return 0; // it's already open @@ -1242,7 +1367,7 @@ static long CALLBACK ISOopen(void) { return -1; } - SysPrintf(_("Loaded CD Image: %s"), GetIsoFile()); + sprintf(image_str, "Loaded CD Image: %s", GetIsoFile()); cddaBigEndian = FALSE; subChanMixed = FALSE; @@ -1255,33 +1380,40 @@ static long CALLBACK ISOopen(void) { cdimg_read_func = cdread_normal; if (parsetoc(GetIsoFile()) == 0) { - SysPrintf("[+toc]"); + strcat(image_str, "[+toc]"); } else if (parseccd(GetIsoFile()) == 0) { - SysPrintf("[+ccd]"); + strcat(image_str, "[+ccd]"); } else if (parsemds(GetIsoFile()) == 0) { - SysPrintf("[+mds]"); + strcat(image_str, "[+mds]"); } else if (parsecue(GetIsoFile()) == 0) { - SysPrintf("[+cue]"); + strcat(image_str, "[+cue]"); } if (handlepbp(GetIsoFile()) == 0) { - SysPrintf("[pbp]"); + strcat(image_str, "[+pbp]"); CDR_getBuffer = ISOgetBuffer_compr; cdimg_read_func = cdread_compressed; } else if (handlecbin(GetIsoFile()) == 0) { - SysPrintf("[cbin]"); + strcat(image_str, "[+cbin]"); CDR_getBuffer = ISOgetBuffer_compr; cdimg_read_func = cdread_compressed; } +#ifdef HAVE_CHD + else if (handlechd(GetIsoFile()) == 0) { + strcat(image_str, "[+chd]"); + CDR_getBuffer = ISOgetBuffer_chd; + cdimg_read_func = cdread_chd; + } +#endif if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { - SysPrintf("[+sub]"); + strcat(image_str, "[+sub]"); } if (opensbifile(GetIsoFile()) == 0) { - SysPrintf("[+sbi]"); + strcat(image_str, "[+sbi]"); } fseeko(cdHandle, 0, SEEK_END); @@ -1319,13 +1451,13 @@ static long CALLBACK ISOopen(void) { fseek(cdHandle, 0, SEEK_SET); fread(&modeTest, 4, 1, cdHandle); if (SWAP32(modeTest) != 0xffffff00) { - SysPrintf("[2048]"); + strcat(image_str, "[2048]"); isMode1ISO = TRUE; } } fseek(cdHandle, 0, SEEK_SET); - SysPrintf(".\n"); + SysPrintf("%s.\n", image_str); PrintTracks(); @@ -1364,6 +1496,15 @@ static long CALLBACK ISOclose(void) { compr_img = NULL; } +#ifdef HAVE_CHD + if (chd_img != NULL) { + chd_close(chd_img->chd); + free(chd_img->buffer); + free(chd_img); + chd_img = NULL; + } +#endif + for (i = 1; i <= numtracks; i++) { if (ti[i].handle != NULL) { fclose(ti[i].handle);