X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fcdriso.c;h=dca64fadfc7d8e70c1f4b0973a43f5f8595601c8;hp=8a631f4222376b401298720537fd16eff4a43274;hb=HEAD;hpb=341eb2c9753ba61a81d4422f283785b666e14e87 diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c index 8a631f42..cd2d2026 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" @@ -25,14 +26,25 @@ #include "ppf.h" #ifdef _WIN32 -#include -#include +#define strcasecmp _stricmp #else +#include +#include +#include +#if P_HAVE_PTHREAD #include #include #endif +#endif +#include #include +#ifdef HAVE_CHD +#include "libchdr/chd.h" +#endif + +#define OFF_T_MSB ((off_t)1 << (sizeof(off_t) * 8 - 1)) + unsigned int cdrIsoMultidiskCount; unsigned int cdrIsoMultidiskSelect; @@ -42,25 +54,13 @@ static FILE *subHandle = NULL; static boolean subChanMixed = FALSE; static boolean subChanRaw = FALSE; -static boolean subChanMissing = FALSE; - -static unsigned char cdbuffer[DATA_SIZE]; -static unsigned char subbuffer[SUB_FRAMESIZE]; -static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10]; +static boolean multifile = FALSE; -#define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75) +static unsigned char cdbuffer[CD_FRAMESIZE_RAW]; +static unsigned char subbuffer[SUB_FRAMESIZE]; -#ifdef _WIN32 -static HANDLE threadid; -#else -static pthread_t threadid; -#endif -static unsigned int initial_offset = 0; -static boolean playing = FALSE; static boolean cddaBigEndian = FALSE; -static unsigned int cdda_cur_sector; -static unsigned int cdda_start_sector; /* 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. @@ -71,32 +71,45 @@ static unsigned int pregapOffset; static struct { unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; - unsigned int *index_table; + off_t *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); +#ifdef HAVE_CHD +static struct { + unsigned char *buffer; + chd_file* chd; + const chd_header* header; + unsigned int sectors_per_hunk; + unsigned int current_hunk[2]; + unsigned int current_buffer; + unsigned int sector_in_hunk; +} *chd_img; +#else +#define chd_img 0 +#endif + +static int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); +static int (*cdimg_read_sub_func)(FILE *f, int sector); char* CALLBACK CDR__getDriveLetter(void); long CALLBACK CDR__configure(void); long CALLBACK CDR__test(void); void CALLBACK CDR__about(void); long CALLBACK CDR__setfilename(char *filename); -long CALLBACK CDR__getStatus(struct CdrStat *stat); +long CALLBACK CDR__prefetch(u8 m, u8 s, u8 f); 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 (chd: sector offset) }; #define MAXTRACKS 100 /* How many tracks can a CD hold? */ @@ -146,129 +159,19 @@ static void tok2msf(char *time, char *msf) { } } -#ifndef _WIN32 -static long GetTickCount(void) { - static time_t initial_time = 0; - struct timeval now; - - gettimeofday(&now, NULL); - - if (initial_time == 0) { - initial_time = now.tv_sec; - } - - return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L; -} -#endif - -// this thread plays audio data -#ifdef _WIN32 -static void playthread(void *param) -#else -static void *playthread(void *param) -#endif +static off_t get_size(FILE *f) { - long osleep, d, t, i, s; - unsigned char tmp; - int ret = 0; - - 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; - - s += d; - cdda_cur_sector++; - } - - if (s == 0) { - playing = FALSE; - initial_offset = 0; - break; - } - - if (!cdr.Muted && playing) { - if (cddaBigEndian) { - for (i = 0; i < s / 2; i++) { - tmp = sndbuffer[i * 2]; - sndbuffer[i * 2] = sndbuffer[i * 2 + 1]; - sndbuffer[i * 2 + 1] = tmp; - } - } - - do { - ret = SPU_playCDDAchannel((short *)sndbuffer, s); - if (ret == 0x7761) - usleep(6 * 1000); - } while (ret == 0x7761 && playing); // rearmed_wait - } - - if (ret != 0x676f) { // !rearmed_go - // do approx sleep - long now; - - // HACK: stop feeding data while emu is paused - extern int stop; - while (stop && playing) - usleep(10000); - - now = GetTickCount(); - osleep = t - now; - if (osleep <= 0) { - osleep = 1; - t = now; - } - else if (osleep > CDDA_FRAMETIME) { - osleep = CDDA_FRAMETIME; - t = now; - } - - usleep(osleep * 1000); - t += CDDA_FRAMETIME; - } - - } - -#ifdef _WIN32 - _endthread(); -#else - pthread_exit(0); - return NULL; -#endif -} - -// stop the CDDA playback -static void stopCDDA() { - if (!playing) { - return; - } - - playing = FALSE; -#ifdef _WIN32 - WaitForSingleObject(threadid, INFINITE); -#else - pthread_join(threadid, NULL); -#endif -} - -// start the CDDA playback -static void startCDDA(unsigned int sector) { - if (playing) { - stopCDDA(); - } - - cdda_cur_sector = sector; - playing = TRUE; - -#ifdef _WIN32 - threadid = (HANDLE)_beginthread(playthread, 0, NULL); -#else - pthread_create(&threadid, NULL, playthread, NULL); + off_t old, size; +#if !defined(USE_LIBRETRO_VFS) + struct stat st; + if (fstat(fileno(f), &st) == 0) + return st.st_size; #endif + old = ftello(f); + fseeko(f, 0, SEEK_END); + size = ftello(f); + fseeko(f, old, SEEK_SET); + return size; } // this function tries to get the .toc file of the given .bin @@ -276,10 +179,11 @@ 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; @@ -310,22 +214,36 @@ static int parsetoc(const char *isofile) { return -1; } } + // check if it's really a TOC named as a .cue + if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { + token = strtok(linebuf, " "); + if (token && strncmp(token, "CD", 2) != 0) { + // && strcmp(token, "CATALOG") != 0) - valid for a real .cue + 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++; @@ -336,9 +254,11 @@ 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)) { @@ -348,9 +268,8 @@ 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); } @@ -362,21 +281,39 @@ 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); @@ -391,27 +328,35 @@ static int parsecue(const char *isofile) { char filepath[MAXPATHLEN]; char *incue_fname; FILE *fi; + FILE *ftmp = NULL; char *token; char time[20]; 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; // copy name of the iso and change extension from .bin to .cue strncpy(cuename, isofile, sizeof(cuename)); cuename[MAXPATHLEN - 1] = '\0'; - if (strlen(cuename) >= 4) { - strcpy(cuename + strlen(cuename) - 4, ".cue"); - } - else { + if (strlen(cuename) < 4) return -1; + if (strcasecmp(cuename + strlen(cuename) - 4, ".cue") == 0) { + // it's already open as cdHandle + fi = cdHandle; } + else { + // If 'isofile' is a '.cd' file, use it as a .cue file + // and don't try to search the additional .cue file + if (strncasecmp(cuename + strlen(cuename) - 4, ".cd", 3) != 0 ) + strcpy(cuename + strlen(cuename) - 4, ".cue"); - if ((fi = fopen(cuename, "r")) == NULL) { - return -1; + if ((ftmp = fopen(cuename, "r")) == NULL) + return -1; + fi = ftmp; } // Some stupid tutorials wrongly tell users to use cdrdao to rip a @@ -421,18 +366,21 @@ static int parsecue(const char *isofile) { if (!strncmp(linebuf, "CD_ROM_XA", 9)) { // Don't proceed further, as this is actually a .toc file rather // than a .cue file. - fclose(fi); + if (ftmp) + fclose(ftmp); return parsetoc(isofile); } - fseek(fi, 0, SEEK_SET); + rewind(fi); } // 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; @@ -455,24 +403,32 @@ 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) { @@ -482,7 +438,7 @@ 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) { @@ -492,7 +448,9 @@ 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 \"%255[^\"]\"", tmpb); + if (t != 1) + sscanf(linebuf, " FILE %255s", tmpb); // absolute path? ti[numtracks + 1].handle = fopen(tmpb, "rb"); @@ -510,29 +468,33 @@ 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) { SysPrintf(_("\ncould not open: %s\n"), filepath); continue; } - fseek(ti[numtracks + 1].handle, 0, SEEK_END); - file_len = ftell(ti[numtracks + 1].handle) / 2352; - - if (numtracks == 0 && strlen(isofile) >= 4 && - strcmp(isofile + strlen(isofile) - 4, ".cue") == 0) - { - // user selected .cue as image file, use it's data track instead - fclose(cdHandle); - cdHandle = fopen(filepath, "rb"); - } + file_len = get_size(ti[numtracks + 1].handle) / 2352; } } - fclose(fi); + if (ftmp) + fclose(ftmp); + + // if there are no tracks detected, then it's not a cue file + if (!numtracks) + return -1; + // the data track handle is always in cdHandle + if (ti[1].handle) { + fclose(cdHandle); + cdHandle = ti[1].handle; + ti[1].handle = NULL; + } return 0; } @@ -573,7 +535,7 @@ 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) { @@ -587,8 +549,7 @@ static int parseccd(const char *isofile) { // Fill out the last track's end based on size if (numtracks >= 1) { - fseek(cdHandle, 0, SEEK_END); - t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; + t = get_size(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; sec2msf(t, ti[numtracks].length); } @@ -622,7 +583,8 @@ static int parsemds(const char *isofile) { memset(&ti, 0, sizeof(ti)); // check if it's a valid mds file - fread(&i, 1, sizeof(unsigned int), fi); + if (fread(&i, 1, sizeof(i), fi) != sizeof(i)) + goto fail_io; i = SWAP32(i); if (i != 0x4944454D) { // not an valid mds file @@ -632,19 +594,22 @@ static int parsemds(const char *isofile) { // get offset to session block fseek(fi, 0x50, SEEK_SET); - fread(&offset, 1, sizeof(unsigned int), fi); + if (fread(&offset, 1, sizeof(offset), fi) != sizeof(offset)) + goto fail_io; offset = SWAP32(offset); // get total number of tracks offset += 14; fseek(fi, offset, SEEK_SET); - fread(&s, 1, sizeof(unsigned short), fi); + if (fread(&s, 1, sizeof(s), fi) != sizeof(s)) + goto fail_io; s = SWAP16(s); numtracks = s; // get offset to track blocks fseek(fi, 4, SEEK_CUR); - fread(&offset, 1, sizeof(unsigned int), fi); + if (fread(&offset, 1, sizeof(offset), fi) != sizeof(offset)) + goto fail_io; offset = SWAP32(offset); // skip lead-in data @@ -658,7 +623,7 @@ 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++) { @@ -673,32 +638,41 @@ static int parsemds(const char *isofile) { ti[i].start[1] = fgetc(fi); ti[i].start[2] = fgetc(fi); - fread(&extra_offset, 1, sizeof(unsigned int), fi); + if (fread(&extra_offset, 1, sizeof(extra_offset), fi) != sizeof(extra_offset)) + goto fail_io; extra_offset = SWAP32(extra_offset); // get track start offset (in .mdf) fseek(fi, offset + 0x28, SEEK_SET); - fread(&l, 1, sizeof(unsigned int), fi); + if (fread(&l, 1, sizeof(l), fi) != sizeof(l)) + goto fail_io; 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); + if (fread(&l, 1, sizeof(l), fi) != sizeof(l)) + goto fail_io; 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); + if (fread(&l, 1, sizeof(l), fi) != sizeof(l)) + goto fail_io; l = SWAP32(l); sec2msf(l, ti[i].length); offset += 0x50; } - fclose(fi); return 0; +fail_io: +#ifndef NDEBUG + SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); +#endif + fclose(fi); + return -1; } static int handlepbp(const char *isofile) { @@ -721,43 +695,48 @@ static int handlepbp(const char *isofile) { unsigned int dontcare[6]; } index_entry; char psar_sig[11]; - unsigned int t, cd_length, cdimg_base; - unsigned int offsettab[8], psisoimg_offs; + off_t psisoimg_offs, cdimg_base; + unsigned int t, cd_length; + unsigned int offsettab[8]; + unsigned int psar_offs, index_entry_size, index_entry_offset; const char *ext = NULL; int i, ret; if (strlen(isofile) >= 4) ext = isofile + strlen(isofile) - 4; - if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) + if (ext == NULL || strcasecmp(ext, ".pbp") != 0) return -1; numtracks = 0; 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); + psar_offs = SWAP32(pbp_hdr.psar_offs); + + ret = fseeko(cdHandle, 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", psar_offs); goto fail_io; } - psisoimg_offs = pbp_hdr.psar_offs; - fread(psar_sig, 1, sizeof(psar_sig), cdHandle); + psisoimg_offs = psar_offs; + if (fread(psar_sig, 1, sizeof(psar_sig), cdHandle) != sizeof(psar_sig)) + goto fail_io; psar_sig[10] = 0; if (strcmp(psar_sig, "PSTITLEIMG") == 0) { // multidisk image? - ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); + ret = fseeko(cdHandle, psar_offs + 0x200, SEEK_SET); if (ret != 0) { - fprintf(stderr, "failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); + SysPrintf("failed to seek to %x\n", psar_offs + 0x200); goto fail_io; } if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { - fprintf(stderr, "failed to read offsettab\n"); + SysPrintf("failed to read offsettab\n"); goto fail_io; } @@ -767,53 +746,58 @@ static int handlepbp(const char *isofile) { } cdrIsoMultidiskCount = i; if (cdrIsoMultidiskCount == 0) { - fprintf(stderr, "multidisk eboot has 0 images?\n"); + SysPrintf("multidisk eboot has 0 images?\n"); goto fail_io; } if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) cdrIsoMultidiskSelect = 0; - psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; + psisoimg_offs += SWAP32(offsettab[cdrIsoMultidiskSelect]); - ret = fseek(cdHandle, psisoimg_offs, SEEK_SET); + ret = fseeko(cdHandle, psisoimg_offs, SEEK_SET); if (ret != 0) { - fprintf(stderr, "failed to seek to %x\n", psisoimg_offs); + SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs); goto fail_io; } - fread(psar_sig, 1, sizeof(psar_sig), cdHandle); + if (fread(psar_sig, 1, sizeof(psar_sig), cdHandle) != sizeof(psar_sig)) + goto fail_io; psar_sig[10] = 0; } if (strcmp(psar_sig, "PSISOIMG00") != 0) { - fprintf(stderr, "bad psar_sig: %s\n", psar_sig); + SysPrintf("bad psar_sig: %s\n", psar_sig); goto fail_io; } // seek to TOC - ret = fseek(cdHandle, psisoimg_offs + 0x800, SEEK_SET); + ret = fseeko(cdHandle, psisoimg_offs + 0x800, SEEK_SET); if (ret != 0) { - fprintf(stderr, "failed to seek to %x\n", psisoimg_offs + 0x800); + SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs + 0x800); goto fail_io; } // first 3 entries are special fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); - fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); + if (fread(&toc_entry, 1, sizeof(toc_entry), cdHandle) != sizeof(toc_entry)) + goto fail_io; numtracks = btoi(toc_entry.index1[0]); - fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); + if (fread(&toc_entry, 1, sizeof(toc_entry), cdHandle) != sizeof(toc_entry)) + goto fail_io; cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); for (i = 1; i <= numtracks; i++) { - fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); + if (fread(&toc_entry, 1, sizeof(toc_entry), cdHandle) != sizeof(toc_entry)) + goto fail_io; ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; 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]); @@ -823,13 +807,13 @@ static int handlepbp(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, psisoimg_offs + 0x4000, SEEK_SET); + ret = fseeko(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; } @@ -849,23 +833,32 @@ static int handlepbp(const char *isofile) { 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; } - if (index_entry.size == 0) + index_entry_size = SWAP32(index_entry.size); + index_entry_offset = SWAP32(index_entry.offset); + + if (index_entry_size == 0) break; - compr_img->index_table[i] = cdimg_base + index_entry.offset; + compr_img->index_table[i] = cdimg_base + index_entry_offset; } - compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; + compr_img->index_table[i] = cdimg_base + index_entry_offset + index_entry_size; return 0; fail_index: free(compr_img->index_table); compr_img->index_table = NULL; + goto done; + fail_io: + SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); + rewind(cdHandle); + +done: if (compr_img != NULL) { free(compr_img); compr_img = NULL; @@ -885,6 +878,7 @@ static int handlecbin(const char *isofile) { unsigned char rsv_06[2]; } ciso_hdr; const char *ext = NULL; + unsigned int *index_table = NULL; unsigned int index = 0, plain; int i, ret; @@ -895,19 +889,19 @@ 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"); - return -1; + SysPrintf("failed to read ciso header\n"); + goto fail_io; } if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { - fprintf(stderr, "bad ciso header\n"); - return -1; + SysPrintf("bad ciso header\n"); + goto fail_io; } if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { - ret = fseek(cdHandle, ciso_hdr.header_size, SEEK_SET); + ret = fseeko(cdHandle, ciso_hdr.header_size, SEEK_SET); if (ret != 0) { - fprintf(stderr, "failed to seek to %x\n", ciso_hdr.header_size); - return -1; + SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); + goto fail_io; } } @@ -919,37 +913,129 @@ static int handlecbin(const char *isofile) { 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) + index_table = malloc((compr_img->index_len + 1) * sizeof(index_table[0])); + if (index_table == NULL) goto fail_io; - ret = fread(compr_img->index_table, sizeof(compr_img->index_table[0]), compr_img->index_len, cdHandle); + ret = fread(index_table, sizeof(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; } + compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); + if (compr_img->index_table == NULL) + goto fail_index; + for (i = 0; i < compr_img->index_len + 1; i++) { - index = compr_img->index_table[i]; + index = index_table[i]; plain = index & 0x80000000; index &= 0x7fffffff; - compr_img->index_table[i] = (index << ciso_hdr.align) | plain; + compr_img->index_table[i] = (off_t)index << ciso_hdr.align; + if (plain) + compr_img->index_table[i] |= OFF_T_MSB; } - if ((long long)index << ciso_hdr.align >= 0x80000000ll) - fprintf(stderr, "warning: ciso img too large, expect problems\n"); return 0; fail_index: - free(compr_img->index_table); - compr_img->index_table = NULL; + free(index_table); fail_io: if (compr_img != NULL) { free(compr_img); compr_img = NULL; } + rewind(cdHandle); + return -1; +} + +#ifdef HAVE_CHD +static int handlechd(const char *isofile) { + int frame_offset = 150; + int file_offset = 0; + + 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; + + if (Config.CHD_Precache && (chd_precache(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 * 2); + 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[0] = (unsigned int)-1; + chd_img->current_hunk[1] = (unsigned int)-1; + + cddaBigEndian = TRUE; + + numtracks = 0; + 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; + + SysPrintf("chd: %s\n", meta); + + if (md.track == 1) { + if (!strncmp(md.subtype, "RW", 2)) { + subChanMixed = TRUE; + if (!strcmp(md.subtype, "RW_RAW")) + subChanRaw = TRUE; + } + } + + ti[md.track].type = !strncmp(md.type, "AUDIO", 5) ? CDDA : DATA; + + sec2msf(frame_offset + md.pregap, ti[md.track].start); + sec2msf(md.frames, ti[md.track].length); + + ti[md.track].start_offset = file_offset + md.pregap; + + // XXX: what about postgap? + frame_offset += md.frames; + file_offset += md.frames; + 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) { @@ -974,44 +1060,81 @@ 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) { + 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; } - fseek(cdHandle, 0, SEEK_END); - s = ftell(cdHandle) / 2352; + s = msf2sec(ti[1].length); 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); + int ret; + if (!f) + return -1; + if (fseeko(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET)) + goto fail_io; + ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); + if (ret <= 0) + goto fail_io; + return ret; + +fail_io: + // often happens in cdda gaps of a split cue/bin, so not logged + //SysPrintf("File IO error %d, base %u, sector %u\n", errno, base, sector); + return -1; } -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); - fread(subbuffer, 1, SUB_FRAMESIZE, f); + if (!f) + return -1; + if (fseeko(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET)) + goto fail_io; + ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); + if (ret <= 0) + goto fail_io; + return ret; - if (subChanRaw) DecodeRawSubData(); +fail_io: + //SysPrintf("File IO error %d, base %u, sector %u\n", errno, base, sector); + return -1; +} - return ret; +static int cdread_sub_sub_mixed(FILE *f, int sector) +{ + if (!f) + return -1; + if (fseeko(f, sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE) + CD_FRAMESIZE_RAW, SEEK_SET)) + goto fail_io; + if (fread(subbuffer, 1, SUB_FRAMESIZE, f) != SUB_FRAMESIZE) + goto fail_io; + + return SUB_FRAMESIZE; + +fail_io: + SysPrintf("subchannel: file IO error %d, sector %u\n", errno, sector); + return -1; } -static int uncompress2(void *out, unsigned long *out_size, void *in, unsigned long in_size) +static int uncompress2_pcsx(void *out, unsigned long *out_size, void *in, unsigned long in_size) { static z_stream z; int ret = 0; @@ -1042,13 +1165,19 @@ 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 int size; int is_compressed; + off_t start_byte; int ret, block; + if (!cdHandle) + return -1; + if (base) + sector += base / 2352; + block = sector >> compr_img->block_shift; compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); @@ -1058,28 +1187,28 @@ 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: ", - block, start_byte); + start_byte = compr_img->index_table[block] & ~OFF_T_MSB; + if (fseeko(cdHandle, start_byte, SEEK_SET) != 0) { + SysPrintf("seek error for block %d at %llx: ", + block, (long long)start_byte); perror(NULL); return -1; } - is_compressed = !(compr_img->index_table[block] & 0x80000000); - size = (compr_img->index_table[block + 1] & 0x7fffffff) - start_byte; + is_compressed = !(compr_img->index_table[block] & OFF_T_MSB); + size = (compr_img->index_table[block + 1] & ~OFF_T_MSB) - 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; } @@ -1087,14 +1216,14 @@ static int cdread_compressed(FILE *f, void *dest, int sector, int offset) 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); + ret = uncompress2_pcsx(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); } @@ -1103,32 +1232,103 @@ static int cdread_compressed(FILE *f, void *dest, int sector, int offset) 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; +} + +#ifdef HAVE_CHD +static unsigned char *chd_get_sector(unsigned int current_buffer, unsigned int sector_in_hunk) +{ + return chd_img->buffer + + current_buffer * chd_img->header->hunkbytes + + sector_in_hunk * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE); +} + +static int cdread_chd(FILE *f, unsigned int base, void *dest, int sector) +{ + int hunk; + + sector += base; + + hunk = sector / chd_img->sectors_per_hunk; + chd_img->sector_in_hunk = sector % chd_img->sectors_per_hunk; + + if (hunk == chd_img->current_hunk[0]) + chd_img->current_buffer = 0; + else if (hunk == chd_img->current_hunk[1]) + chd_img->current_buffer = 1; + else + { + chd_read(chd_img->chd, hunk, chd_img->buffer + + chd_img->current_buffer * chd_img->header->hunkbytes); + chd_img->current_hunk[chd_img->current_buffer] = hunk; + } + + if (dest != cdbuffer) // copy avoid HACK + memcpy(dest, chd_get_sector(chd_img->current_buffer, chd_img->sector_in_hunk), + CD_FRAMESIZE_RAW); + return CD_FRAMESIZE_RAW; } -static int cdread_2048(FILE *f, void *dest, int sector, int offset) +static int cdread_sub_chd(FILE *f, int sector) +{ + unsigned int sector_in_hunk; + unsigned int buffer; + int hunk; + + if (!subChanMixed) + return -1; + + hunk = sector / chd_img->sectors_per_hunk; + sector_in_hunk = sector % chd_img->sectors_per_hunk; + + if (hunk == chd_img->current_hunk[0]) + buffer = 0; + else if (hunk == chd_img->current_hunk[1]) + buffer = 1; + else + { + buffer = chd_img->current_buffer ^ 1; + chd_read(chd_img->chd, hunk, chd_img->buffer + + buffer * chd_img->header->hunkbytes); + chd_img->current_hunk[buffer] = hunk; + } + + memcpy(subbuffer, chd_get_sector(buffer, sector_in_hunk) + CD_FRAMESIZE_RAW, SUB_FRAMESIZE); + return SUB_FRAMESIZE; +} +#endif + +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); + if (!f) + return -1; + fseeko(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; + return 12*2 + ret; } static unsigned char * CALLBACK ISOgetBuffer_compr(void) { return compr_img->buff_raw[compr_img->sector_in_blk] + 12; } -static unsigned char * CALLBACK ISOgetBuffer(void) { - return cdbuffer; +#ifdef HAVE_CHD +static unsigned char * CALLBACK ISOgetBuffer_chd(void) { + return chd_get_sector(chd_img->current_buffer, chd_img->sector_in_hunk) + 12; +} +#endif + +unsigned char * CALLBACK ISOgetBuffer(void) { + return cdbuffer + 12; } static void PrintTracks(void) { @@ -1136,7 +1336,8 @@ static void PrintTracks(void) { for (i = 1; i <= numtracks; i++) { SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), - i, (ti[i].type == DATA ? "DATA" : "AUDIO"), + i, (ti[i].type == DATA ? "DATA" : + (ti[i].type == CDDA ? "AUDIO" : "UNKNOWN")), ti[i].start[0], ti[i].start[1], ti[i].start[2], ti[i].length[0], ti[i].length[1], ti[i].length[2]); } @@ -1146,84 +1347,128 @@ static void PrintTracks(void) { // file for playback static long CALLBACK ISOopen(void) { boolean isMode1ISO = FALSE; + char alt_bin_filename[MAXPATHLEN]; + const char *bin_filename; + char image_str[1024]; + off_t size_main; - if (cdHandle != NULL) { + if (cdHandle || chd_img) { return 0; // it's already open } cdHandle = fopen(GetIsoFile(), "rb"); if (cdHandle == NULL) { + SysPrintf(_("Could't open '%s' for reading: %s\n"), + GetIsoFile(), strerror(errno)); return -1; } + size_main = get_size(cdHandle); - SysPrintf(_("Loaded CD Image: %s"), GetIsoFile()); + snprintf(image_str, sizeof(image_str) - 6*4 - 1, + "Loaded CD Image: %s", GetIsoFile()); cddaBigEndian = FALSE; subChanMixed = FALSE; subChanRaw = FALSE; pregapOffset = 0; cdrIsoMultidiskCount = 1; + multifile = 0; CDR_getBuffer = ISOgetBuffer; cdimg_read_func = cdread_normal; + cdimg_read_sub_func = NULL; - if (parsecue(GetIsoFile()) == 0) { - SysPrintf("[+cue]"); - } - else if (parsetoc(GetIsoFile()) == 0) { - SysPrintf("[+toc]"); + if (parsetoc(GetIsoFile()) == 0) { + 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) { + 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; + cdimg_read_sub_func = cdread_sub_chd; + fclose(cdHandle); + cdHandle = NULL; + } +#endif if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { - SysPrintf("[+sub]"); + strcat(image_str, "[+sub]"); } if (opensbifile(GetIsoFile()) == 0) { - SysPrintf("[+sbi]"); + strcat(image_str, "[+sbi]"); + } + + // maybe user selected metadata file instead of main .bin .. + bin_filename = GetIsoFile(); + if (cdHandle && size_main < 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; + size_main = get_size(cdHandle); + } } // guess whether it is mode1/2048 - fseek(cdHandle, 0, SEEK_END); - if (ftell(cdHandle) % 2048 == 0) { + if (cdHandle && cdimg_read_func == cdread_normal && size_main % 2048 == 0) { unsigned int modeTest = 0; - fseek(cdHandle, 0, SEEK_SET); - fread(&modeTest, 4, 1, cdHandle); + if (!fread(&modeTest, sizeof(modeTest), 1, cdHandle)) { + SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); + } 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(); - if (subChanMixed) + if (subChanMixed && cdimg_read_func == cdread_normal) { cdimg_read_func = cdread_sub_mixed; - else if (isMode1ISO) + cdimg_read_sub_func = cdread_sub_sub_mixed; + } + else if (isMode1ISO) { cdimg_read_func = cdread_2048; - - // make sure we have another handle open for cdda - if (numtracks > 1 && ti[1].handle == NULL) { - ti[1].handle = fopen(GetIsoFile(), "rb"); + cdimg_read_sub_func = NULL; } - cdda_cur_sector = cdda_start_sector = 0; return 0; } @@ -1239,7 +1484,6 @@ static long CALLBACK ISOclose(void) { fclose(subHandle); subHandle = NULL; } - stopCDDA(); cddaHandle = NULL; if (compr_img != NULL) { @@ -1247,6 +1491,15 @@ static long CALLBACK ISOclose(void) { free(compr_img); 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) { @@ -1255,8 +1508,12 @@ static long CALLBACK ISOclose(void) { } } numtracks = 0; + ti[1].type = 0; UnloadSBI(); + memset(cdbuffer, 0, sizeof(cdbuffer)); + CDR_getBuffer = ISOgetBuffer; + return 0; } @@ -1296,7 +1553,6 @@ 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); @@ -1338,103 +1594,127 @@ static void DecodeRawSubData(void) { // read track // time: byte 0 - minute; byte 1 - second; byte 2 - frame // uses bcd format -static long CALLBACK ISOreadTrack(unsigned char *time) { +static boolean CALLBACK ISOreadTrack(unsigned char *time) { int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); + long ret; - if (cdHandle == NULL) { - return -1; - } - - if (pregapOffset) { - subChanMissing = FALSE; - if (sector >= pregapOffset) { - sector -= 2 * 75; - if (sector < pregapOffset) - subChanMissing = TRUE; - } - } + if (!cdHandle && !chd_img) + return 0; - cdimg_read_func(cdHandle, cdbuffer, sector, 12); + if (pregapOffset && sector >= pregapOffset) + sector -= 2 * 75; - if (subHandle != NULL) { - fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); - fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); - - if (subChanRaw) DecodeRawSubData(); - } + ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector); + if (ret < 12*2 + 2048) + return 0; - return 0; + return 1; } // plays cdda audio // 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; - - 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) - break; - - file_sect = ti[i].start_offset + (abs_sect - msf2sec(ti[i].start)); - if (file_sect < 0) - file_sect = 0; - - // 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(file_sect); - } return 0; } // stops cdda audio static long CALLBACK ISOstop(void) { - stopCDDA(); return 0; } // gets subchannel data -static unsigned char* CALLBACK ISOgetBufferSub(void) { - if ((subHandle != NULL || subChanMixed) && !subChanMissing) { - return subbuffer; +static unsigned char* CALLBACK ISOgetBufferSub(int sector) { + if (pregapOffset && sector >= pregapOffset) { + sector -= 2 * 75; + if (sector < pregapOffset) // ? + return NULL; } - return NULL; + if (cdimg_read_sub_func != NULL) { + if (cdimg_read_sub_func(cdHandle, sector) != SUB_FRAMESIZE) + return NULL; + } + else if (subHandle != NULL) { + if (fseeko(subHandle, sector * SUB_FRAMESIZE, SEEK_SET)) + return NULL; + if (fread(subbuffer, 1, SUB_FRAMESIZE, subHandle) != SUB_FRAMESIZE) + return NULL; + } + else { + return NULL; + } + + if (subChanRaw) DecodeRawSubData(); + return subbuffer; } static long CALLBACK ISOgetStatus(struct CdrStat *stat) { - int sec; - CDR__getStatus(stat); + + // BIOS - boot ID (CD type) + stat->Type = ti[1].type; + + 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 track, track_start = 0; + FILE *handle = cdHandle; + unsigned int cddaCurPos; + int ret; + + cddaCurPos = msf2sec((char *)msf); - if (playing) { - stat->Type = 0x02; - stat->Status |= 0x80; + // find current track index + for (track = numtracks; ; track--) { + track_start = msf2sec(ti[track].start); + if (track_start <= cddaCurPos) + break; + if (track == 1) + break; } - else { - stat->Type = 0x01; + + // data tracks play silent + if (ti[track].type != CDDA) { + memset(buffer, 0, CD_FRAMESIZE_RAW); + return 0; + } + + if (multifile) { + // find the file that contains this track + unsigned int file; + for (file = track; file > 1; file--) { + if (ti[file].handle != NULL) { + handle = ti[file].handle; + break; + } + } + } + if (!handle && !chd_img) { + memset(buffer, 0, CD_FRAMESIZE_RAW); + return -1; } - sec = cdda_start_sector + cdda_cur_sector; - sec2msf(sec, (char *)stat->Time); + ret = cdimg_read_func(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; } @@ -1452,16 +1732,18 @@ void cdrIsoInit(void) { CDR_stop = ISOstop; CDR_getBufferSub = ISOgetBufferSub; CDR_getStatus = ISOgetStatus; + CDR_readCDDA = ISOreadCDDA; CDR_getDriveLetter = CDR__getDriveLetter; CDR_configure = CDR__configure; CDR_test = CDR__test; CDR_about = CDR__about; CDR_setfilename = CDR__setfilename; + CDR_prefetch = CDR__prefetch; numtracks = 0; } int cdrIsoActive(void) { - return (cdHandle != NULL); + return (cdHandle || chd_img); }