X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fcdriso.c;h=d6672f98cb557a3c078173e68ca777eddc0841aa;hp=aa6e47f43935676552eb0e38d46148560f063e31;hb=650adfd2da779ba8855623362c2900583e22931e;hpb=983a7cfdccceaa612267a1b045110b4f831d1495 diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c index aa6e47f4..d6672f98 100644 --- a/libpcsxcore/cdriso.c +++ b/libpcsxcore/cdriso.c @@ -1,6 +1,7 @@ /*************************************************************************** * Copyright (C) 2007 PCSX-df Team * * Copyright (C) 2009 Wei Mingzhi * + * Copyright (C) 2012 notaz * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * @@ -15,7 +16,7 @@ * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * ***************************************************************************/ #include "psxcommon.h" @@ -27,12 +28,18 @@ #ifdef _WIN32 #include #include +#define strcasecmp _stricmp #else #include #include +#include #endif +#include #include +unsigned int cdrIsoMultidiskCount; +unsigned int cdrIsoMultidiskSelect; + static FILE *cdHandle = NULL; static FILE *cddaHandle = NULL; static FILE *subHandle = NULL; @@ -41,7 +48,9 @@ static boolean subChanMixed = FALSE; static boolean subChanRaw = FALSE; static boolean subChanMissing = FALSE; -static unsigned char cdbuffer[DATA_SIZE]; +static boolean multifile = FALSE; + +static unsigned char cdbuffer[CD_FRAMESIZE_RAW]; static unsigned char subbuffer[SUB_FRAMESIZE]; static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10]; @@ -56,25 +65,30 @@ static pthread_t threadid; static unsigned int initial_offset = 0; static boolean playing = FALSE; static boolean cddaBigEndian = FALSE; +// cdda sectors in toc, byte offset in file static unsigned int cdda_cur_sector; -static unsigned int cdda_start_sector; +static unsigned int cdda_first_sector; +static unsigned int cdda_file_offset; /* 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. * XXX: there could be multiple pregaps but PSX dumps only have one? */ static unsigned int pregapOffset; +#define cddaCurPos cdda_cur_sector + // compressed image stuff static struct { unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; unsigned int *index_table; unsigned int index_len; + unsigned int block_shift; unsigned int current_block; unsigned int sector_in_blk; } *compr_img; -int (*cdimg_read_func)(FILE *f, void *dest, int sector, int offset); +int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); char* CALLBACK CDR__getDriveLetter(void); long CALLBACK CDR__configure(void); @@ -85,14 +99,12 @@ long CALLBACK CDR__getStatus(struct CdrStat *stat); static void DecodeRawSubData(void); -extern void *hCDRDriver; - struct trackinfo { - enum {DATA, CDDA} type; + enum {DATA=1, CDDA} type; char start[3]; // MSF-format char length[3]; // MSF-format FILE *handle; // for multi-track images CDDA - int start_offset; // sector offset from start of above file + unsigned int start_offset; // byte offset from start of above file }; #define MAXTRACKS 100 /* How many tracks can a CD hold? */ @@ -166,28 +178,29 @@ static void *playthread(void *param) { long osleep, d, t, i, s; unsigned char tmp; - int ret = 0; + int ret = 0, sector_offs; t = GetTickCount(); while (playing) { s = 0; for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) { - d = cdimg_read_func(cddaHandle, sndbuffer + s, cdda_cur_sector, 0); - if (d < CD_FRAMESIZE_RAW) - break; + sector_offs = cdda_cur_sector - cdda_first_sector; + if (sector_offs < 0) { + d = CD_FRAMESIZE_RAW; + memset(sndbuffer + s, 0, d); + } + else { + d = cdimg_read_func(cddaHandle, cdda_file_offset, + sndbuffer + s, sector_offs); + if (d < CD_FRAMESIZE_RAW) + break; + } 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; @@ -203,6 +216,8 @@ static void *playthread(void *param) } } + // can't do it yet due to readahead.. + //cdrAttenuate((short *)sndbuffer, s / 4, 1); do { ret = SPU_playCDDAchannel((short *)sndbuffer, s); if (ret == 0x7761) @@ -259,12 +274,11 @@ static void stopCDDA() { } // start the CDDA playback -static void startCDDA(unsigned int sector) { +static void startCDDA(void) { if (playing) { stopCDDA(); } - cdda_cur_sector = sector; playing = TRUE; #ifdef _WIN32 @@ -279,10 +293,11 @@ static void startCDDA(unsigned int sector) { static int parsetoc(const char *isofile) { char tocname[MAXPATHLEN]; FILE *fi; - char linebuf[256], dummy[256], name[256]; + char linebuf[256], tmp[256], name[256]; char *token; char time[20], time2[20]; - unsigned int t, sector_offs; + unsigned int t, sector_offs, sector_size; + unsigned int current_zero_gap = 0; numtracks = 0; @@ -313,22 +328,34 @@ static int parsetoc(const char *isofile) { return -1; } } + // check if it's really a TOC named as a .cue + fgets(linebuf, sizeof(linebuf), fi); + token = strtok(linebuf, " "); + if (token && strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) { + fclose(fi); + return -1; + } + fseek(fi, 0, SEEK_SET); } memset(&ti, 0, sizeof(ti)); cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio + sector_size = CD_FRAMESIZE_RAW; sector_offs = 2 * 75; // parse the .toc file while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { // search for tracks - strncpy(dummy, linebuf, sizeof(linebuf)); - token = strtok(dummy, " "); + strncpy(tmp, linebuf, sizeof(linebuf)); + token = strtok(tmp, " "); if (token == NULL) continue; if (!strcmp(token, "TRACK")) { + sector_offs += current_zero_gap; + current_zero_gap = 0; + // get type of track token = strtok(NULL, " "); numtracks++; @@ -339,9 +366,11 @@ static int parsetoc(const char *isofile) { // check if this image contains mixed subchannel data token = strtok(NULL, " "); - if (token != NULL && !strncmp(token, "RW_RAW", 6)) { + if (token != NULL && !strncmp(token, "RW", 2)) { + sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE; subChanMixed = TRUE; - subChanRaw = TRUE; + if (!strncmp(token, "RW_RAW", 6)) + subChanRaw = TRUE; } } else if (!strncmp(token, "AUDIO", 5)) { @@ -351,9 +380,8 @@ static int parsetoc(const char *isofile) { else if (!strcmp(token, "DATAFILE")) { if (ti[numtracks].type == CDDA) { sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); - t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0); ti[numtracks].start_offset = t; - t += sector_offs; + t = t / sector_size + sector_offs; sec2msf(t, (char *)&ti[numtracks].start); tok2msf((char *)&time2, (char *)&ti[numtracks].length); } @@ -365,21 +393,39 @@ static int parsetoc(const char *isofile) { else if (!strcmp(token, "FILE")) { sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); tok2msf((char *)&time, (char *)&ti[numtracks].start); - t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0); + t += msf2sec(ti[numtracks].start) * sector_size; ti[numtracks].start_offset = t; - t += msf2sec(ti[numtracks].start) + sector_offs; + t = t / sector_size + sector_offs; sec2msf(t, (char *)&ti[numtracks].start); tok2msf((char *)&time2, (char *)&ti[numtracks].length); } - else if (!strcmp(token, "ZERO")) { - sscanf(linebuf, "ZERO AUDIO RW_RAW %8s", time); - tok2msf((char *)&time, dummy); - sector_offs += msf2sec(dummy); + else if (!strcmp(token, "ZERO") || !strcmp(token, "SILENCE")) { + // skip unneeded optional fields + while (token != NULL) { + token = strtok(NULL, " "); + if (strchr(token, ':') != NULL) + break; + } + if (token != NULL) { + tok2msf(token, tmp); + current_zero_gap = msf2sec(tmp); + } if (numtracks > 1) { t = ti[numtracks - 1].start_offset; + t /= sector_size; pregapOffset = t + msf2sec(ti[numtracks - 1].length); } } + else if (!strcmp(token, "START")) { + token = strtok(NULL, " "); + if (token != NULL && strchr(token, ':')) { + tok2msf(token, tmp); + t = msf2sec(tmp); + ti[numtracks].start_offset += (t - current_zero_gap) * sector_size; + t = msf2sec(ti[numtracks].start) + t; + sec2msf(t, (char *)&ti[numtracks].start); + } + } } fclose(fi); @@ -399,7 +445,8 @@ static int parsecue(const char *isofile) { char *tmp; char linebuf[256], tmpb[256], dummy[256]; unsigned int incue_max_len; - unsigned int t, file_len, sector_offs; + unsigned int t, file_len, mode, sector_offs; + unsigned int sector_size = 2352; numtracks = 0; @@ -432,10 +479,12 @@ static int parsecue(const char *isofile) { // build a path for files referenced in .cue strncpy(filepath, cuename, sizeof(filepath)); - tmp = strrchr(filepath, '/') + 1; - if (tmp == NULL) - tmp = strrchr(filepath, '\\') + 1; + tmp = strrchr(filepath, '/'); if (tmp == NULL) + tmp = strrchr(filepath, '\\'); + if (tmp != NULL) + tmp++; + else tmp = filepath; *tmp = 0; filepath[sizeof(filepath) - 1] = 0; @@ -458,24 +507,32 @@ static int parsecue(const char *isofile) { if (!strcmp(token, "TRACK")) { numtracks++; + sector_size = 0; if (strstr(linebuf, "AUDIO") != NULL) { ti[numtracks].type = CDDA; + sector_size = 2352; } - else if (strstr(linebuf, "MODE1/2352") != NULL || strstr(linebuf, "MODE2/2352") != NULL) { + else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3) ti[numtracks].type = DATA; + else { + SysPrintf(".cue: failed to parse TRACK\n"); + ti[numtracks].type = numtracks == 1 ? DATA : CDDA; } + if (sector_size == 0) + sector_size = 2352; } else if (!strcmp(token, "INDEX")) { - sscanf(linebuf, " INDEX %02d %8s", &t, time); + if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2) + SysPrintf(".cue: failed to parse INDEX\n"); tok2msf(time, (char *)&ti[numtracks].start); t = msf2sec(ti[numtracks].start); - ti[numtracks].start_offset = t; + ti[numtracks].start_offset = t * sector_size; t += sector_offs; sec2msf(t, ti[numtracks].start); // default track length to file length - t = file_len - ti[numtracks].start_offset; + t = file_len - ti[numtracks].start_offset / sector_size; sec2msf(t, ti[numtracks].length); if (numtracks > 1 && ti[numtracks].handle == NULL) { @@ -485,7 +542,7 @@ static int parsecue(const char *isofile) { sec2msf(t, ti[numtracks - 1].length); } if (numtracks > 1 && pregapOffset == -1) - pregapOffset = ti[numtracks].start_offset; + pregapOffset = ti[numtracks].start_offset / sector_size; } else if (!strcmp(token, "PREGAP")) { if (sscanf(linebuf, " PREGAP %8s", time) == 1) { @@ -495,7 +552,9 @@ 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"); @@ -513,8 +572,10 @@ static int parsecue(const char *isofile) { } // update global offset if this is not first file in this .cue - if (numtracks + 1 > 1) + if (numtracks + 1 > 1) { + multifile = 1; sector_offs += file_len; + } file_len = 0; if (ti[numtracks + 1].handle == NULL) { @@ -576,7 +637,7 @@ static int parseccd(const char *isofile) { else if (!strncmp(linebuf, "INDEX 1=", 8)) { sscanf(linebuf, "INDEX 1=%d", &t); sec2msf(t + 2 * 75, ti[numtracks].start); - ti[numtracks].start_offset = t; + ti[numtracks].start_offset = t * 2352; // If we've already seen another track, this is its end if (numtracks > 1) { @@ -661,7 +722,7 @@ static int parsemds(const char *isofile) { // check if the image contains mixed subchannel data fseek(fi, offset + 1, SEEK_SET); - subChanMixed = (fgetc(fi) ? TRUE : FALSE); + subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE); // read track data for (i = 1; i <= numtracks; i++) { @@ -683,14 +744,14 @@ static int parsemds(const char *isofile) { fseek(fi, offset + 0x28, SEEK_SET); fread(&l, 1, sizeof(unsigned int), fi); l = SWAP32(l); - ti[i].start_offset = l / CD_FRAMESIZE_RAW; + ti[i].start_offset = l; // get pregap fseek(fi, extra_offset, SEEK_SET); fread(&l, 1, sizeof(unsigned int), fi); l = SWAP32(l); if (l != 0 && i > 1) - pregapOffset = ti[i].start_offset; + pregapOffset = msf2sec(ti[i].start); // get the track length fread(&l, 1, sizeof(unsigned int), fi); @@ -704,7 +765,7 @@ static int parsemds(const char *isofile) { return 0; } -static int parsepbp(const char *isofile) { +static int handlepbp(const char *isofile) { struct { unsigned int sig; unsigned int dontcare[8]; @@ -723,8 +784,9 @@ static int parsepbp(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; @@ -737,27 +799,66 @@ static int parsepbp(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; } @@ -777,6 +878,7 @@ static int parsepbp(const char *isofile) { ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); + ti[i].start_offset *= 2352; ti[i].start[0] = btoi(toc_entry.index1[0]); ti[i].start[1] = btoi(toc_entry.index1[1]); ti[i].start[2] = btoi(toc_entry.index1[2]); @@ -786,13 +888,13 @@ static int parsepbp(const char *isofile) { sec2msf(t, ti[i - 1].length); } } - t = cd_length - ti[numtracks].start_offset; + t = cd_length - ti[numtracks].start_offset / 2352; 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; } @@ -800,6 +902,7 @@ static int parsepbp(const char *isofile) { if (compr_img == NULL) goto fail_io; + compr_img->block_shift = 4; compr_img->current_block = (unsigned int)-1; compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); @@ -807,11 +910,11 @@ static int parsepbp(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; } @@ -828,6 +931,88 @@ fail_index: free(compr_img->index_table); compr_img->index_table = NULL; fail_io: + if (compr_img != NULL) { + free(compr_img); + compr_img = NULL; + } + return -1; +} + +static int handlecbin(const char *isofile) { + struct + { + char magic[4]; + unsigned int header_size; + unsigned long long total_bytes; + unsigned int block_size; + unsigned char ver; // 1 + unsigned char align; + unsigned char rsv_06[2]; + } ciso_hdr; + const char *ext = NULL; + unsigned int index = 0, plain; + int i, ret; + + if (strlen(isofile) >= 5) + ext = isofile + strlen(isofile) - 5; + if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) + return -1; + + ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); + if (ret != sizeof(ciso_hdr)) { + 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) { + 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) { + SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); + return -1; + } + } + + compr_img = calloc(1, sizeof(*compr_img)); + if (compr_img == NULL) + goto fail_io; + + compr_img->block_shift = 0; + compr_img->current_block = (unsigned int)-1; + + compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; + compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); + if (compr_img->index_table == NULL) + goto fail_io; + + ret = fread(compr_img->index_table, sizeof(compr_img->index_table[0]), compr_img->index_len, cdHandle); + if (ret != compr_img->index_len) { + SysPrintf("failed to read index table\n"); + goto fail_index; + } + + for (i = 0; i < compr_img->index_len + 1; i++) { + index = compr_img->index_table[i]; + plain = index & 0x80000000; + index &= 0x7fffffff; + compr_img->index_table[i] = (index << ciso_hdr.align) | plain; + } + if ((long long)index << ciso_hdr.align >= 0x80000000ll) + SysPrintf("warning: ciso img too large, expect problems\n"); + + return 0; + +fail_index: + free(compr_img->index_table); + compr_img->index_table = NULL; +fail_io: + if (compr_img != NULL) { + free(compr_img); + compr_img = NULL; + } return -1; } @@ -872,18 +1057,18 @@ static int opensbifile(const char *isoname) { return LoadSBI(sbiname, s); } -static int cdread_normal(FILE *f, void *dest, int sector, int offset) +static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector) { - fseek(f, sector * CD_FRAMESIZE_RAW + offset, SEEK_SET); - return fread(dest, 1, CD_FRAMESIZE_RAW - offset, f); + fseek(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET); + return fread(dest, 1, CD_FRAMESIZE_RAW, f); } -static int cdread_sub_mixed(FILE *f, void *dest, int sector, int offset) +static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector) { int ret; - fseek(f, sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE) + offset, SEEK_SET); - ret = fread(dest, 1, CD_FRAMESIZE_RAW - offset, f); + fseek(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET); + ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); fread(subbuffer, 1, SUB_FRAMESIZE, f); if (subChanRaw) DecodeRawSubData(); @@ -922,14 +1107,18 @@ static int uncompress2(void *out, unsigned long *out_size, void *in, unsigned lo return ret == 1 ? 0 : ret; } -static int cdread_compressed(FILE *f, void *dest, int sector, int offset) +static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector) { + unsigned long cdbuffer_size, cdbuffer_size_expect; unsigned int start_byte, size; - unsigned long cdbuffer_size; + int is_compressed; int ret, block; - block = sector >> 4; - compr_img->sector_in_blk = sector & 15; + if (base) + sector += base / 2352; + + block = sector >> compr_img->block_shift; + compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); if (block == compr_img->current_block) { //printf("hit sect %d\n", sector); @@ -937,62 +1126,67 @@ 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]; + 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; } - size = compr_img->index_table[block + 1] - start_byte; + 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(compr_img->buff_compressed, 1, size, cdHandle) != size) { - fprintf(stderr, "read error for block %d at %x: ", block, start_byte); + if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], + 1, size, cdHandle) != size) { + SysPrintf("read error for block %d at %x: ", block, start_byte); perror(NULL); return -1; } - cdbuffer_size = sizeof(compr_img->buff_raw[0]) * 16; - 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", - ret, block, sector); - return -1; + if (is_compressed) { + cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; + cdbuffer_size = cdbuffer_size_expect; + ret = uncompress2(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); + if (ret != 0) { + SysPrintf("uncompress failed with %d for block %d, sector %d\n", + ret, block, sector); + return -1; + } + if (cdbuffer_size != cdbuffer_size_expect) + SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, + cdbuffer_size_expect, sector); } - if (cdbuffer_size != sizeof(compr_img->buff_raw[0]) * 16) - fprintf(stderr, "cdbuffer_size: %lu != %d, sector %d\n", cdbuffer_size, - sizeof(compr_img->buff_raw[0]) * 16, sector); // done at last! compr_img->current_block = block; finish: if (dest != cdbuffer) // copy avoid HACK - memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk] + offset, - CD_FRAMESIZE_RAW - offset); - return CD_FRAMESIZE_RAW - offset; + memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk], + CD_FRAMESIZE_RAW); + return CD_FRAMESIZE_RAW; } -static int cdread_2048(FILE *f, void *dest, int sector, int offset) +static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) { int ret; - fseek(f, sector * 2048, SEEK_SET); - ret = fread((char *)dest + 12, 1, 2048, f); + fseek(f, base + sector * 2048, SEEK_SET); + ret = fread((char *)dest + 12 * 2, 1, 2048, f); // not really necessary, fake mode 2 header - memset(cdbuffer, 0, 12); - sec2msf(sector + 2 * 75, (char *)cdbuffer); - cdbuffer[3] = 1; + memset(cdbuffer, 0, 12 * 2); + sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]); + cdbuffer[12 + 3] = 1; return ret; } @@ -1002,7 +1196,7 @@ static unsigned char * CALLBACK ISOgetBuffer_compr(void) { } static unsigned char * CALLBACK ISOgetBuffer(void) { - return cdbuffer; + return cdbuffer + 12; } static void PrintTracks(void) { @@ -1020,6 +1214,8 @@ static void PrintTracks(void) { // file for playback static long CALLBACK ISOopen(void) { boolean isMode1ISO = FALSE; + char alt_bin_filename[MAXPATHLEN]; + const char *bin_filename; if (cdHandle != NULL) { return 0; // it's already open @@ -1027,6 +1223,8 @@ static long CALLBACK ISOopen(void) { cdHandle = fopen(GetIsoFile(), "rb"); if (cdHandle == NULL) { + SysPrintf(_("Could't open '%s' for reading: %s\n"), + GetIsoFile(), strerror(errno)); return -1; } @@ -1036,14 +1234,13 @@ static long CALLBACK ISOopen(void) { subChanMixed = FALSE; subChanRaw = FALSE; pregapOffset = 0; + cdrIsoMultidiskCount = 1; + multifile = 0; CDR_getBuffer = ISOgetBuffer; cdimg_read_func = cdread_normal; - if (parsecue(GetIsoFile()) == 0) { - SysPrintf("[+cue]"); - } - else if (parsetoc(GetIsoFile()) == 0) { + if (parsetoc(GetIsoFile()) == 0) { SysPrintf("[+toc]"); } else if (parseccd(GetIsoFile()) == 0) { @@ -1052,11 +1249,19 @@ static long CALLBACK ISOopen(void) { else if (parsemds(GetIsoFile()) == 0) { SysPrintf("[+mds]"); } - else if (parsepbp(GetIsoFile()) == 0) { + else if (parsecue(GetIsoFile()) == 0) { + SysPrintf("[+cue]"); + } + if (handlepbp(GetIsoFile()) == 0) { SysPrintf("[pbp]"); CDR_getBuffer = ISOgetBuffer_compr; cdimg_read_func = cdread_compressed; } + else if (handlecbin(GetIsoFile()) == 0) { + SysPrintf("[cbin]"); + CDR_getBuffer = ISOgetBuffer_compr; + cdimg_read_func = cdread_compressed; + } if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { SysPrintf("[+sub]"); @@ -1065,8 +1270,36 @@ static long CALLBACK ISOopen(void) { SysPrintf("[+sbi]"); } - // guess whether it is mode1/2048 fseek(cdHandle, 0, SEEK_END); + + // maybe user selected metadata file instead of main .bin .. + bin_filename = GetIsoFile(); + if (ftell(cdHandle) < 2352 * 0x10) { + static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" }; + FILE *tmpf = NULL; + size_t i; + char *p; + + strncpy(alt_bin_filename, bin_filename, sizeof(alt_bin_filename)); + alt_bin_filename[MAXPATHLEN - 1] = '\0'; + if (strlen(alt_bin_filename) >= 4) { + p = alt_bin_filename + strlen(alt_bin_filename) - 4; + for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) { + strcpy(p, exts[i]); + tmpf = fopen(alt_bin_filename, "rb"); + if (tmpf != NULL) + break; + } + } + if (tmpf != NULL) { + bin_filename = alt_bin_filename; + fclose(cdHandle); + cdHandle = tmpf; + fseek(cdHandle, 0, SEEK_END); + } + } + + // guess whether it is mode1/2048 if (ftell(cdHandle) % 2048 == 0) { unsigned int modeTest = 0; fseek(cdHandle, 0, SEEK_SET); @@ -1089,9 +1322,10 @@ static long CALLBACK ISOopen(void) { // make sure we have another handle open for cdda if (numtracks > 1 && ti[1].handle == NULL) { - ti[1].handle = fopen(GetIsoFile(), "rb"); + ti[1].handle = fopen(bin_filename, "rb"); } - cdda_cur_sector = cdda_start_sector = 0; + cdda_cur_sector = 0; + cdda_file_offset = 0; return 0; } @@ -1123,8 +1357,12 @@ static long CALLBACK ISOclose(void) { } } numtracks = 0; + ti[1].type = 0; UnloadSBI(); + memset(cdbuffer, 0, sizeof(cdbuffer)); + CDR_getBuffer = ISOgetBuffer; + return 0; } @@ -1164,7 +1402,6 @@ static long CALLBACK ISOgetTN(unsigned char *buffer) { // byte 2 - minute static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { if (track == 0) { - // CD length according pcsxr-svn (done a bit different here) unsigned int sect; unsigned char time[3]; sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); @@ -1208,6 +1445,7 @@ static void DecodeRawSubData(void) { // uses bcd format static long CALLBACK ISOreadTrack(unsigned char *time) { int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); + long ret; if (cdHandle == NULL) { return -1; @@ -1222,7 +1460,9 @@ static long CALLBACK ISOreadTrack(unsigned char *time) { } } - cdimg_read_func(cdHandle, cdbuffer, sector, 12); + ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector); + if (ret < 0) + return -1; if (subHandle != NULL) { fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); @@ -1238,38 +1478,30 @@ 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; 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) + cdda_cur_sector = msf2sec((char *)time); + for (i = numtracks; i > 1; i--) { + cdda_first_sector = msf2sec(ti[i].start); + if (cdda_first_sector <= cdda_cur_sector + 2 * 75) break; - - file_sect = ti[i].start_offset + (abs_sect - msf2sec(ti[i].start)); - if (file_sect < 0) - file_sect = 0; + } + cdda_file_offset = ti[i].start_offset; // find the file that contains this track for (; i > 1; i--) if (ti[i].handle != NULL) break; - cdda_start_sector = abs_sect - file_sect; cddaHandle = ti[i].handle; - if (pregapOffset && (unsigned int)(pregapOffset - file_sect) < 2 * 75) { - // get out of the missing pregap to avoid noise - file_sect = pregapOffset; - } + if (SPU_playCDDAchannel != NULL) + startCDDA(); - if (SPU_playCDDAchannel != NULL) { - startCDDA(file_sect); - } return 0; } @@ -1289,20 +1521,74 @@ static unsigned char* CALLBACK ISOgetBufferSub(void) { } static long CALLBACK ISOgetStatus(struct CdrStat *stat) { - int sec; - + u32 sect; + CDR__getStatus(stat); - + if (playing) { stat->Type = 0x02; stat->Status |= 0x80; } else { - stat->Type = 0x01; + // BIOS - boot ID (CD type) + stat->Type = ti[1].type; + } + + // relative -> absolute time + sect = cddaCurPos; + sec2msf(sect, (char *)stat->Time); + + return 0; +} + +// read CDDA sector into buffer +long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) { + unsigned char msf[3] = {m, s, f}; + unsigned int file, track, track_start = 0; + int ret; + + cddaCurPos = msf2sec((char *)msf); + + // find current track index + for (track = numtracks; ; track--) { + track_start = msf2sec(ti[track].start); + if (track_start <= cddaCurPos) + break; + if (track == 1) + break; } - sec = cdda_start_sector + cdda_cur_sector; - sec2msf(sec, (char *)stat->Time); + // data tracks play silent + if (ti[track].type != CDDA) { + memset(buffer, 0, CD_FRAMESIZE_RAW); + return 0; + } + + file = 1; + if (multifile) { + // find the file that contains this track + for (file = track; file > 1; file--) + if (ti[file].handle != NULL) + break; + } + + ret = cdimg_read_func(ti[file].handle, ti[track].start_offset, + buffer, cddaCurPos - track_start); + if (ret != CD_FRAMESIZE_RAW) { + memset(buffer, 0, CD_FRAMESIZE_RAW); + return -1; + } + + if (cddaBigEndian) { + int i; + unsigned char tmp; + + for (i = 0; i < CD_FRAMESIZE_RAW / 2; i++) { + tmp = buffer[i * 2]; + buffer[i * 2] = buffer[i * 2 + 1]; + buffer[i * 2 + 1] = tmp; + } + } return 0; } @@ -1320,6 +1606,7 @@ void cdrIsoInit(void) { CDR_stop = ISOstop; CDR_getBufferSub = ISOgetBufferSub; CDR_getStatus = ISOgetStatus; + CDR_readCDDA = ISOreadCDDA; CDR_getDriveLetter = CDR__getDriveLetter; CDR_configure = CDR__configure;