X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fcdriso.c;h=1e30a63459a76be8a56964f5179f683d2476c375;hp=6bf5809559451722561cbce0a99421a34925571e;hb=385c023b384751230a23604ab024ea5fb8cd1e90;hpb=0877957a5101f5e7b8d4a7b486ca5d39bb9aafad diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c index 6bf58095..1e30a634 100644 --- a/libpcsxcore/cdriso.c +++ b/libpcsxcore/cdriso.c @@ -30,9 +30,13 @@ #else #include #include +#include #endif #include +unsigned int cdrIsoMultidiskCount; +unsigned int cdrIsoMultidiskSelect; + static FILE *cdHandle = NULL; static FILE *cddaHandle = NULL; static FILE *subHandle = NULL; @@ -56,8 +60,11 @@ static pthread_t threadid; static unsigned int initial_offset = 0; static boolean playing = FALSE; static boolean cddaBigEndian = FALSE; +// offsets of cddaHandle file static unsigned int cdda_cur_sector; -static unsigned int cdda_start_sector; +static unsigned int cdda_first_sector; +// toc_sector - file_sector +static unsigned int cdda_toc_delta; /* Frame offset into CD image where pregap data would be found if it was there. * If a game seeks there we must *not* return subchannel data since it's * not in the CD image, so that cdrom code can fake subchannel data instead. @@ -178,17 +185,13 @@ static void *playthread(void *param) if (d < CD_FRAMESIZE_RAW) break; + if (cdda_cur_sector < cdda_first_sector) + memset(sndbuffer + s, 0, CD_FRAMESIZE_RAW); + s += d; cdda_cur_sector++; } - if (subHandle != NULL) { - fseek(subHandle, cdda_cur_sector * SUB_FRAMESIZE, SEEK_SET); - fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); - - if (subChanRaw) DecodeRawSubData(); - } - if (s == 0) { playing = FALSE; initial_offset = 0; @@ -496,7 +499,9 @@ static int parsecue(const char *isofile) { pregapOffset = -1; // mark to fill track start_offset } else if (!strcmp(token, "FILE")) { - sscanf(linebuf, " FILE \"%[^\"]\"", tmpb); + t = sscanf(linebuf, " FILE \"%256[^\"]\"", tmpb); + if (t != 1) + sscanf(linebuf, " FILE %256s", tmpb); // absolute path? ti[numtracks + 1].handle = fopen(tmpb, "rb"); @@ -724,8 +729,9 @@ static int handlepbp(const char *isofile) { unsigned int size; unsigned int dontcare[6]; } index_entry; - char psar_sig[9]; + char psar_sig[11]; unsigned int t, cd_length, cdimg_base; + unsigned int offsettab[8], psisoimg_offs; const char *ext = NULL; int i, ret; @@ -738,27 +744,66 @@ static int handlepbp(const char *isofile) { ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); if (ret != sizeof(pbp_hdr)) { - fprintf(stderr, "failed to read pbp\n"); + SysPrintf("failed to read pbp\n"); goto fail_io; } ret = fseek(cdHandle, pbp_hdr.psar_offs, SEEK_SET); if (ret != 0) { - fprintf(stderr, "failed to seek to %x\n", pbp_hdr.psar_offs); + SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs); goto fail_io; } + psisoimg_offs = pbp_hdr.psar_offs; fread(psar_sig, 1, sizeof(psar_sig), cdHandle); - psar_sig[8] = 0; - if (strcmp(psar_sig, "PSISOIMG") != 0) { - fprintf(stderr, "bad psar_sig: %s\n", psar_sig); + psar_sig[10] = 0; + if (strcmp(psar_sig, "PSTITLEIMG") == 0) { + // multidisk image? + ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); + if (ret != 0) { + SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); + goto fail_io; + } + + if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { + SysPrintf("failed to read offsettab\n"); + goto fail_io; + } + + for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { + if (offsettab[i] == 0) + break; + } + cdrIsoMultidiskCount = i; + if (cdrIsoMultidiskCount == 0) { + SysPrintf("multidisk eboot has 0 images?\n"); + goto fail_io; + } + + if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) + cdrIsoMultidiskSelect = 0; + + psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; + + ret = fseek(cdHandle, psisoimg_offs, SEEK_SET); + if (ret != 0) { + SysPrintf("failed to seek to %x\n", psisoimg_offs); + goto fail_io; + } + + fread(psar_sig, 1, sizeof(psar_sig), cdHandle); + psar_sig[10] = 0; + } + + if (strcmp(psar_sig, "PSISOIMG00") != 0) { + SysPrintf("bad psar_sig: %s\n", psar_sig); goto fail_io; } // seek to TOC - ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x800, SEEK_SET); + ret = fseek(cdHandle, psisoimg_offs + 0x800, SEEK_SET); if (ret != 0) { - fprintf(stderr, "failed to seek to %x\n", pbp_hdr.psar_offs); + SysPrintf("failed to seek to %x\n", psisoimg_offs + 0x800); goto fail_io; } @@ -791,9 +836,9 @@ static int handlepbp(const char *isofile) { sec2msf(t, ti[numtracks].length); // seek to ISO index - ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x4000, SEEK_SET); + ret = fseek(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); if (ret != 0) { - fprintf(stderr, "failed to seek to ISO index\n"); + SysPrintf("failed to seek to ISO index\n"); goto fail_io; } @@ -809,11 +854,11 @@ static int handlepbp(const char *isofile) { if (compr_img->index_table == NULL) goto fail_io; - cdimg_base = pbp_hdr.psar_offs + 0x100000; + cdimg_base = psisoimg_offs + 0x100000; for (i = 0; i < compr_img->index_len; i++) { ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); if (ret != sizeof(index_entry)) { - fprintf(stderr, "failed to read index_entry #%d\n", i); + SysPrintf("failed to read index_entry #%d\n", i); goto fail_index; } @@ -849,7 +894,7 @@ static int handlecbin(const char *isofile) { unsigned char rsv_06[2]; } ciso_hdr; const char *ext = NULL; - unsigned int index, plain; + unsigned int index = 0, plain; int i, ret; if (strlen(isofile) >= 5) @@ -859,18 +904,18 @@ static int handlecbin(const char *isofile) { ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); if (ret != sizeof(ciso_hdr)) { - fprintf(stderr, "failed to read ciso header\n"); + SysPrintf("failed to read ciso header\n"); return -1; } if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { - fprintf(stderr, "bad ciso header\n"); + SysPrintf("bad ciso header\n"); return -1; } if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { ret = fseek(cdHandle, ciso_hdr.header_size, SEEK_SET); if (ret != 0) { - fprintf(stderr, "failed to seek to %x\n", ciso_hdr.header_size); + SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); return -1; } } @@ -889,7 +934,7 @@ static int handlecbin(const char *isofile) { ret = fread(compr_img->index_table, sizeof(compr_img->index_table[0]), compr_img->index_len, cdHandle); if (ret != compr_img->index_len) { - fprintf(stderr, "failed to read index table\n"); + SysPrintf("failed to read index table\n"); goto fail_index; } @@ -900,7 +945,7 @@ static int handlecbin(const char *isofile) { compr_img->index_table[i] = (index << ciso_hdr.align) | plain; } if ((long long)index << ciso_hdr.align >= 0x80000000ll) - fprintf(stderr, "warning: ciso img too large, expect problems\n"); + SysPrintf("warning: ciso img too large, expect problems\n"); return 0; @@ -1022,13 +1067,13 @@ static int cdread_compressed(FILE *f, void *dest, int sector, int offset) } if (sector >= compr_img->index_len * 16) { - fprintf(stderr, "sector %d is past img end\n", sector); + SysPrintf("sector %d is past img end\n", sector); return -1; } start_byte = compr_img->index_table[block] & 0x7fffffff; if (fseek(cdHandle, start_byte, SEEK_SET) != 0) { - fprintf(stderr, "seek error for block %d at %x: ", + SysPrintf("seek error for block %d at %x: ", block, start_byte); perror(NULL); return -1; @@ -1037,13 +1082,13 @@ static int cdread_compressed(FILE *f, void *dest, int sector, int offset) is_compressed = !(compr_img->index_table[block] & 0x80000000); size = (compr_img->index_table[block + 1] & 0x7fffffff) - start_byte; if (size > sizeof(compr_img->buff_compressed)) { - fprintf(stderr, "block %d is too large: %u\n", block, size); + SysPrintf("block %d is too large: %u\n", block, size); return -1; } if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], 1, size, cdHandle) != size) { - fprintf(stderr, "read error for block %d at %x: ", block, start_byte); + SysPrintf("read error for block %d at %x: ", block, start_byte); perror(NULL); return -1; } @@ -1053,12 +1098,12 @@ static int cdread_compressed(FILE *f, void *dest, int sector, int offset) cdbuffer_size = cdbuffer_size_expect; ret = uncompress2(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); if (ret != 0) { - fprintf(stderr, "uncompress failed with %d for block %d, sector %d\n", + SysPrintf("uncompress failed with %d for block %d, sector %d\n", ret, block, sector); return -1; } if (cdbuffer_size != cdbuffer_size_expect) - fprintf(stderr, "cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, + SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, cdbuffer_size_expect, sector); } @@ -1126,6 +1171,7 @@ static long CALLBACK ISOopen(void) { subChanMixed = FALSE; subChanRaw = FALSE; pregapOffset = 0; + cdrIsoMultidiskCount = 1; CDR_getBuffer = ISOgetBuffer; cdimg_read_func = cdread_normal; @@ -1186,7 +1232,7 @@ static long CALLBACK ISOopen(void) { if (numtracks > 1 && ti[1].handle == NULL) { ti[1].handle = fopen(GetIsoFile(), "rb"); } - cdda_cur_sector = cdda_start_sector = 0; + cdda_cur_sector = cdda_toc_delta = 0; return 0; } @@ -1333,19 +1379,22 @@ static long CALLBACK ISOreadTrack(unsigned char *time) { // sector: byte 0 - minute; byte 1 - second; byte 2 - frame // does NOT uses bcd format static long CALLBACK ISOplay(unsigned char *time) { - unsigned int i, abs_sect; - int file_sect; + unsigned int i, abs_sect, start_sect = 0; + int track_offset, file_sect; if (numtracks <= 1) return 0; // find the track abs_sect = msf2sec((char *)time); - for (i = numtracks; i > 1; i--) - if (msf2sec(ti[i].start) <= abs_sect + 2 * 75) + for (i = numtracks; i > 1; i--) { + start_sect = msf2sec(ti[i].start); + if (start_sect <= abs_sect + 2 * 75) break; + } - file_sect = ti[i].start_offset + (abs_sect - msf2sec(ti[i].start)); + track_offset = abs_sect - start_sect; + file_sect = ti[i].start_offset + track_offset; if (file_sect < 0) file_sect = 0; @@ -1354,13 +1403,12 @@ static long CALLBACK ISOplay(unsigned char *time) { if (ti[i].handle != NULL) break; - cdda_start_sector = abs_sect - file_sect; - cddaHandle = ti[i].handle; + cdda_first_sector = 0; + if (i == 1) + cdda_first_sector = file_sect - track_offset; - if (pregapOffset && (unsigned int)(pregapOffset - file_sect) < 2 * 75) { - // get out of the missing pregap to avoid noise - file_sect = pregapOffset; - } + cdda_toc_delta = abs_sect - file_sect; + cddaHandle = ti[i].handle; if (SPU_playCDDAchannel != NULL) { startCDDA(file_sect); @@ -1396,7 +1444,7 @@ static long CALLBACK ISOgetStatus(struct CdrStat *stat) { stat->Type = 0x01; } - sec = cdda_start_sector + cdda_cur_sector; + sec = cdda_cur_sector + cdda_toc_delta; sec2msf(sec, (char *)stat->Time); return 0;