/***************************************************************************
* 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 *
* 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"
#include "plugins.h"
#include "cdrom.h"
#include "cdriso.h"
+#include "ppf.h"
#ifdef _WIN32
-#include <process.h>
-#include <windows.h>
+#define strcasecmp _stricmp
#else
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#if P_HAVE_PTHREAD
#include <pthread.h>
#include <sys/time.h>
#endif
+#endif
+#include <errno.h>
+#include <zlib.h>
+
+#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;
static FILE *cdHandle = NULL;
static FILE *cddaHandle = NULL;
static boolean subChanMixed = FALSE;
static boolean subChanRaw = 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;
+static boolean playing = FALSE;
+static boolean cddaBigEndian = FALSE;
+/* 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;
+
+static unsigned int cddaCurPos;
+
+// compressed image stuff
+static struct {
+ unsigned char buff_raw[16][CD_FRAMESIZE_RAW];
+ unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100];
+ off_t *index_table;
+ unsigned int index_len;
+ unsigned int block_shift;
+ unsigned int current_block;
+ unsigned int sector_in_blk;
+} *compr_img;
+
+#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
-static pthread_t threadid;
+#define chd_img 0
#endif
-static unsigned int initial_offset = 0;
-static volatile boolean playing = FALSE;
-static boolean cddaBigEndian = FALSE;
-static volatile unsigned int cddaCurOffset = 0;
+
+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__setfilename(char *filename);
long CALLBACK CDR__getStatus(struct CdrStat *stat);
-extern void *hCDRDriver;
+static void DecodeRawSubData(void);
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
+ unsigned int start_offset; // byte offset from start of above file (chd: sector offset)
};
#define MAXTRACKS 100 /* How many tracks can a CD hold? */
}
}
-#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 d, t, i, s;
- unsigned char tmp;
-
- t = GetTickCount();
-
- while (playing) {
- d = t - (long)GetTickCount();
- if (d <= 0) {
- d = 1;
- }
- else if (d > CDDA_FRAMETIME) {
- d = CDDA_FRAMETIME;
- }
-#ifdef _WIN32
- Sleep(d);
-#else
- usleep(d * 1000);
-#endif
-
- t = GetTickCount() + CDDA_FRAMETIME;
-
- if (subChanMixed) {
- s = 0;
-
- for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) {
- // read one sector
- d = fread(sndbuffer + CD_FRAMESIZE_RAW * i, 1, CD_FRAMESIZE_RAW, cddaHandle);
- if (d < CD_FRAMESIZE_RAW) {
- break;
- }
-
- s += d;
-
- // skip the subchannel data
- fseek(cddaHandle, SUB_FRAMESIZE, SEEK_CUR);
- }
- }
- else {
- s = fread(sndbuffer, 1, sizeof(sndbuffer), cddaHandle);
- }
-
- if (s == 0) {
- playing = FALSE;
- fclose(cddaHandle);
- cddaHandle = NULL;
- 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;
- }
- }
-
- SPU_playCDDAchannel((short *)sndbuffer, s);
- }
-
- cddaCurOffset += s;
- }
-
-#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
-
- if (cddaHandle != NULL) {
- fclose(cddaHandle);
- cddaHandle = NULL;
- }
-
- initial_offset = 0;
-}
-
-// start the CDDA playback
-static void startCDDA(unsigned int offset) {
- if (playing) {
- if (initial_offset == offset) {
- return;
- }
- stopCDDA();
- }
-
- cddaHandle = fopen(GetIsoFile(), "rb");
- if (cddaHandle == NULL) {
- return;
- }
-
- initial_offset = offset;
- cddaCurOffset = initial_offset;
- fseek(cddaHandle, initial_offset, SEEK_SET);
-
- 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
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;
+ unsigned int t, sector_offs, sector_size;
+ unsigned int current_zero_gap = 0;
numtracks = 0;
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) {
+ 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++;
// 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)) {
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);
- t += 2 * 75;
+ ti[numtracks].start_offset = t;
+ t = t / sector_size + sector_offs;
sec2msf(t, (char *)&ti[numtracks].start);
tok2msf((char *)&time2, (char *)&ti[numtracks].length);
}
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) + 2 * 75;
+ t += msf2sec(ti[numtracks].start) * sector_size;
+ ti[numtracks].start_offset = t;
+ t = t / sector_size + sector_offs;
sec2msf(t, (char *)&ti[numtracks].start);
tok2msf((char *)&time2, (char *)&ti[numtracks].length);
}
+ 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);
// the necessary data is put into the ti (trackinformation)-array
static int parsecue(const char *isofile) {
char cuename[MAXPATHLEN];
+ char filepath[MAXPATHLEN];
+ char *incue_fname;
FILE *fi;
+ FILE *ftmp = NULL;
char *token;
char time[20];
char *tmp;
- char linebuf[256], dummy[256];
- unsigned int t;
+ char linebuf[256], tmpb[256], dummy[256];
+ unsigned int incue_max_len;
+ 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;
}
-
- if ((fi = fopen(cuename, "r")) == NULL) {
- return -1;
+ else {
+ // If 'isofile' is a '.cd<X>' 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 ((ftmp = fopen(cuename, "r")) == NULL)
+ return -1;
+ fi = ftmp;
}
// Some stupid tutorials wrongly tell users to use cdrdao to rip a
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, '/');
+ if (tmp == NULL)
+ tmp = strrchr(filepath, '\\');
+ if (tmp != NULL)
+ tmp++;
+ else
+ tmp = filepath;
+ *tmp = 0;
+ filepath[sizeof(filepath) - 1] = 0;
+ incue_fname = tmp;
+ incue_max_len = sizeof(filepath) - (tmp - filepath) - 1;
+
memset(&ti, 0, sizeof(ti));
+ file_len = 0;
+ sector_offs = 2 * 75;
+
while (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
strncpy(dummy, linebuf, sizeof(linebuf));
token = strtok(dummy, " ");
continue;
}
- if (!strcmp(token, "TRACK")){
+ 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")) {
- tmp = strstr(linebuf, "INDEX");
- if (tmp != NULL) {
- tmp += strlen("INDEX") + 3; // 3 - space + numeric index
- while (*tmp == ' ') tmp++;
- if (*tmp != '\n') sscanf(tmp, "%8s", time);
- }
-
- tok2msf((char *)&time, (char *)&ti[numtracks].start);
+ 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) + 2 * 75;
+ t = msf2sec(ti[numtracks].start);
+ ti[numtracks].start_offset = t * sector_size;
+ t += sector_offs;
sec2msf(t, ti[numtracks].start);
- // If we've already seen another track, this is its end
- if (numtracks > 1) {
+ // default track length to file length
+ t = file_len - ti[numtracks].start_offset / sector_size;
+ sec2msf(t, ti[numtracks].length);
+
+ if (numtracks > 1 && ti[numtracks].handle == NULL) {
+ // this track uses the same file as the last,
+ // start of this track is last track's end
t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start);
sec2msf(t, ti[numtracks - 1].length);
}
+ if (numtracks > 1 && pregapOffset == -1)
+ pregapOffset = ti[numtracks].start_offset / sector_size;
}
- }
+ else if (!strcmp(token, "PREGAP")) {
+ if (sscanf(linebuf, " PREGAP %8s", time) == 1) {
+ tok2msf(time, dummy);
+ sector_offs += msf2sec(dummy);
+ }
+ pregapOffset = -1; // mark to fill track start_offset
+ }
+ else if (!strcmp(token, "FILE")) {
+ t = sscanf(linebuf, " FILE \"%255[^\"]\"", tmpb);
+ if (t != 1)
+ sscanf(linebuf, " FILE %255s", tmpb);
+
+ // absolute path?
+ ti[numtracks + 1].handle = fopen(tmpb, "rb");
+ if (ti[numtracks + 1].handle == NULL) {
+ // relative to .cue?
+ tmp = strrchr(tmpb, '\\');
+ if (tmp == NULL)
+ tmp = strrchr(tmpb, '/');
+ if (tmp != NULL)
+ tmp++;
+ else
+ tmp = tmpb;
+ strncpy(incue_fname, tmp, incue_max_len);
+ ti[numtracks + 1].handle = fopen(filepath, "rb");
+ }
- fclose(fi);
+ // update global offset if this is not first file in this .cue
+ if (numtracks + 1 > 1) {
+ multifile = 1;
+ sector_offs += file_len;
+ }
- // 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;
- sec2msf(t, ti[numtracks].length);
+ file_len = 0;
+ if (ti[numtracks + 1].handle == NULL) {
+ SysPrintf(_("\ncould not open: %s\n"), filepath);
+ continue;
+ }
+ file_len = get_size(ti[numtracks + 1].handle) / 2352;
+ }
}
+ 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;
}
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 * 2352;
// If we've already seen another track, this is its end
if (numtracks > 1) {
// 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);
}
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
// 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
// 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++) {
ti[i].start[1] = fgetc(fi);
ti[i].start[2] = fgetc(fi);
- if (i > 1) {
- l = msf2sec(ti[i].start);
- sec2msf(l - 2 * 75, ti[i].start); // ???
- }
-
- // get the track length
- 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);
- fseek(fi, extra_offset + 4, SEEK_SET);
- fread(&l, 1, sizeof(unsigned int), fi);
+ // get track start offset (in .mdf)
+ fseek(fi, offset + 0x28, SEEK_SET);
+ if (fread(&l, 1, sizeof(l), fi) != sizeof(l))
+ goto fail_io;
+ l = SWAP32(l);
+ ti[i].start_offset = l;
+
+ // get pregap
+ fseek(fi, extra_offset, SEEK_SET);
+ if (fread(&l, 1, sizeof(l), fi) != sizeof(l))
+ goto fail_io;
+ l = SWAP32(l);
+ if (l != 0 && i > 1)
+ pregapOffset = msf2sec(ti[i].start);
+
+ // get the track length
+ 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) {
+ struct {
+ unsigned int sig;
+ unsigned int dontcare[8];
+ unsigned int psar_offs;
+ } pbp_hdr;
+ struct {
+ unsigned char type;
+ unsigned char pad0;
+ unsigned char track;
+ char index0[3];
+ char pad1;
+ char index1[3];
+ } toc_entry;
+ struct {
+ unsigned int offset;
+ unsigned int size;
+ unsigned int dontcare[6];
+ } index_entry;
+ char psar_sig[11];
+ 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 || strcasecmp(ext, ".pbp") != 0)
+ return -1;
+
+ numtracks = 0;
+
+ ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle);
+ if (ret != sizeof(pbp_hdr)) {
+ SysPrintf("failed to read pbp\n");
+ goto fail_io;
+ }
+
+ psar_offs = SWAP32(pbp_hdr.psar_offs);
+
+ ret = fseeko(cdHandle, psar_offs, SEEK_SET);
+ if (ret != 0) {
+ SysPrintf("failed to seek to %x\n", psar_offs);
+ goto fail_io;
+ }
+
+ 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 = fseeko(cdHandle, psar_offs + 0x200, SEEK_SET);
+ if (ret != 0) {
+ SysPrintf("failed to seek to %x\n", 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 += SWAP32(offsettab[cdrIsoMultidiskSelect]);
+
+ ret = fseeko(cdHandle, psisoimg_offs, SEEK_SET);
+ if (ret != 0) {
+ SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs);
+ goto fail_io;
+ }
+
+ 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) {
+ SysPrintf("bad psar_sig: %s\n", psar_sig);
+ goto fail_io;
+ }
+
+ // seek to TOC
+ ret = fseeko(cdHandle, psisoimg_offs + 0x800, SEEK_SET);
+ if (ret != 0) {
+ 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);
+ if (fread(&toc_entry, 1, sizeof(toc_entry), cdHandle) != sizeof(toc_entry))
+ goto fail_io;
+ numtracks = btoi(toc_entry.index1[0]);
+
+ 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++) {
+ 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]);
+
+ if (i > 1) {
+ t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start);
+ sec2msf(t, ti[i - 1].length);
+ }
+ }
+ t = cd_length - ti[numtracks].start_offset / 2352;
+ sec2msf(t, ti[numtracks].length);
+
+ // seek to ISO index
+ ret = fseeko(cdHandle, psisoimg_offs + 0x4000, SEEK_SET);
+ if (ret != 0) {
+ SysPrintf("failed to seek to ISO index\n");
+ goto fail_io;
+ }
+
+ compr_img = calloc(1, sizeof(*compr_img));
+ 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);
+ 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;
+
+ 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)) {
+ SysPrintf("failed to read index_entry #%d\n", i);
+ goto fail_index;
+ }
+
+ 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 + 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;
+ }
+ 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_table = 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");
+ goto fail_io;
+ }
+
+ if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) {
+ SysPrintf("bad ciso header\n");
+ goto fail_io;
+ }
+ if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) {
+ ret = fseeko(cdHandle, ciso_hdr.header_size, SEEK_SET);
+ if (ret != 0) {
+ SysPrintf("failed to seek to %x\n", ciso_hdr.header_size);
+ goto fail_io;
+ }
+ }
+
+ 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;
+ index_table = malloc((compr_img->index_len + 1) * sizeof(index_table[0]));
+ if (index_table == NULL)
+ goto fail_io;
+
+ ret = fread(index_table, sizeof(index_table[0]), compr_img->index_len, cdHandle);
+ if (ret != compr_img->index_len) {
+ 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 = index_table[i];
+ plain = index & 0x80000000;
+ index &= 0x7fffffff;
+ compr_img->index_table[i] = (off_t)index << ciso_hdr.align;
+ if (plain)
+ compr_img->index_table[i] |= OFF_T_MSB;
+ }
+
+ return 0;
+
+fail_index:
+ 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) {
char subname[MAXPATHLEN];
return 0;
}
-static long CALLBACK ISOinit(void) {
- assert(cdHandle == NULL);
- assert(subHandle == NULL);
+static int opensbifile(const char *isoname) {
+ char sbiname[MAXPATHLEN], disknum[MAXPATHLEN] = "0";
+ int s;
- return 0; // do nothing
+ 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;
+ }
+
+ s = msf2sec(ti[1].length);
+
+ return LoadSBI(sbiname, s);
}
-static long CALLBACK ISOshutdown(void) {
- if (cdHandle != NULL) {
- fclose(cdHandle);
- cdHandle = NULL;
+static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector)
+{
+ 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, unsigned int base, void *dest, int sector)
+{
+ int ret;
+
+ 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;
+
+fail_io:
+ //SysPrintf("File IO error %d, base %u, sector %u\n", errno, base, sector);
+ return -1;
+}
+
+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_pcsx(void *out, unsigned long *out_size, void *in, unsigned long in_size)
+{
+ static z_stream z;
+ int ret = 0;
+
+ if (z.zalloc == NULL) {
+ // XXX: one-time leak here..
+ z.next_in = Z_NULL;
+ z.avail_in = 0;
+ z.zalloc = Z_NULL;
+ z.zfree = Z_NULL;
+ z.opaque = Z_NULL;
+ ret = inflateInit2(&z, -15);
}
- if (subHandle != NULL) {
- fclose(subHandle);
- subHandle = NULL;
+ else
+ ret = inflateReset(&z);
+ if (ret != Z_OK)
+ return ret;
+
+ z.next_in = in;
+ z.avail_in = in_size;
+ z.next_out = out;
+ z.avail_out = *out_size;
+
+ ret = inflate(&z, Z_NO_FLUSH);
+ //inflateEnd(&z);
+
+ *out_size -= z.avail_out;
+ return ret == 1 ? 0 : ret;
+}
+
+static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector)
+{
+ unsigned long cdbuffer_size, cdbuffer_size_expect;
+ 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);
+
+ if (block == compr_img->current_block) {
+ //printf("hit sect %d\n", sector);
+ goto finish;
}
- stopCDDA();
- return 0;
+
+ if (sector >= compr_img->index_len * 16) {
+ SysPrintf("sector %d is past img end\n", sector);
+ return -1;
+ }
+
+ 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] & OFF_T_MSB);
+ size = (compr_img->index_table[block + 1] & ~OFF_T_MSB) - start_byte;
+ if (size > sizeof(compr_img->buff_compressed)) {
+ 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) {
+ SysPrintf("read error for block %d at %x: ", block, start_byte);
+ perror(NULL);
+ 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_pcsx(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);
+ }
+
+ // 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],
+ 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_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;
+
+ 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 * 2);
+ sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]);
+ cdbuffer[12 + 3] = 1;
+
+ return 12*2 + ret;
+}
+
+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_get_sector(chd_img->current_buffer, chd_img->sector_in_hunk) + 12;
+}
+#endif
+
+static unsigned char * CALLBACK ISOgetBuffer(void) {
+ return cdbuffer + 12;
}
static void PrintTracks(void) {
// This function is invoked by the front-end when opening an ISO
// file for playback
static long CALLBACK ISOopen(void) {
- if (cdHandle != NULL) {
+ boolean isMode1ISO = FALSE;
+ char alt_bin_filename[MAXPATHLEN];
+ const char *bin_filename;
+ char image_str[1024];
+ off_t size_main;
+
+ 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;
- if (parsecue(GetIsoFile()) == 0) {
- SysPrintf("[+cue]");
- }
- else if (parsetoc(GetIsoFile()) == 0) {
- SysPrintf("[+toc]");
+ CDR_getBuffer = ISOgetBuffer;
+ cdimg_read_func = cdread_normal;
+ cdimg_read_sub_func = NULL;
+
+ 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) {
+ strcat(image_str, "[+pbp]");
+ CDR_getBuffer = ISOgetBuffer_compr;
+ cdimg_read_func = cdread_compressed;
+ }
+ else if (handlecbin(GetIsoFile()) == 0) {
+ 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) {
+ strcat(image_str, "[+sbi]");
}
- SysPrintf(".\n");
+ // 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
+ if (cdHandle && cdimg_read_func == cdread_normal && size_main % 2048 == 0) {
+ unsigned int modeTest = 0;
+ if (!fread(&modeTest, sizeof(modeTest), 1, cdHandle)) {
+ SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__);
+ }
+ if (SWAP32(modeTest) != 0xffffff00) {
+ strcat(image_str, "[2048]");
+ isMode1ISO = TRUE;
+ }
+ }
+
+ SysPrintf("%s.\n", image_str);
PrintTracks();
+ if (subChanMixed && cdimg_read_func == cdread_normal) {
+ cdimg_read_func = cdread_sub_mixed;
+ cdimg_read_sub_func = cdread_sub_sub_mixed;
+ }
+ else if (isMode1ISO) {
+ cdimg_read_func = cdread_2048;
+ cdimg_read_sub_func = NULL;
+ }
+
return 0;
}
static long CALLBACK ISOclose(void) {
+ int i;
+
if (cdHandle != NULL) {
fclose(cdHandle);
cdHandle = NULL;
fclose(subHandle);
subHandle = NULL;
}
- stopCDDA();
+ playing = FALSE;
+ cddaHandle = NULL;
+
+ if (compr_img != NULL) {
+ free(compr_img->index_table);
+ 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) {
+ fclose(ti[i].handle);
+ ti[i].handle = NULL;
+ }
+ }
+ numtracks = 0;
+ ti[1].type = 0;
+ UnloadSBI();
+
+ memset(cdbuffer, 0, sizeof(cdbuffer));
+ CDR_getBuffer = ISOgetBuffer;
+
+ return 0;
+}
+
+static long CALLBACK ISOinit(void) {
+ assert(cdHandle == NULL);
+ assert(subHandle == NULL);
+
+ return 0; // do nothing
+}
+
+static long CALLBACK ISOshutdown(void) {
+ ISOclose();
return 0;
}
// byte 1 - second
// byte 2 - minute
static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) {
- if (numtracks > 0 && track <= numtracks) {
+ if (track == 0) {
+ unsigned int sect;
+ unsigned char time[3];
+ sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length);
+ sec2msf(sect, (char *)time);
+ buffer[2] = time[0];
+ buffer[1] = time[1];
+ buffer[0] = time[2];
+ }
+ else if (numtracks > 0 && track <= numtracks) {
buffer[2] = ti[track].start[0];
buffer[1] = ti[track].start[1];
buffer[0] = ti[track].start[2];
// read track
// time: byte 0 - minute; byte 1 - second; byte 2 - frame
// uses bcd format
-static long CALLBACK ISOreadTrack(unsigned char *time) {
- if (cdHandle == NULL) {
- return -1;
- }
+static boolean CALLBACK ISOreadTrack(unsigned char *time) {
+ int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2]));
+ long ret;
- if (subChanMixed) {
- fseek(cdHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE) + 12, SEEK_SET);
- fread(cdbuffer, 1, DATA_SIZE, cdHandle);
- fread(subbuffer, 1, SUB_FRAMESIZE, cdHandle);
+ if (!cdHandle && !chd_img)
+ return 0;
- if (subChanRaw) DecodeRawSubData();
- }
- else {
- fseek(cdHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * CD_FRAMESIZE_RAW + 12, SEEK_SET);
- fread(cdbuffer, 1, DATA_SIZE, cdHandle);
+ if (pregapOffset && sector >= pregapOffset)
+ sector -= 2 * 75;
- if (subHandle != NULL) {
- fseek(subHandle, MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])) * SUB_FRAMESIZE, SEEK_SET);
- fread(subbuffer, 1, SUB_FRAMESIZE, subHandle);
+ ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector);
+ if (ret < 12*2 + 2048)
+ return 0;
- if (subChanRaw) DecodeRawSubData();
- }
- }
-
- return 0;
-}
-
-// return readed track
-static unsigned char * CALLBACK ISOgetBuffer(void) {
- return cdbuffer;
+ 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) {
- if (SPU_playCDDAchannel != NULL) {
- if (subChanMixed) {
- startCDDA(MSF2SECT(time[0], time[1], time[2]) * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE));
- }
- else {
- startCDDA(MSF2SECT(time[0], time[1], time[2]) * CD_FRAMESIZE_RAW);
- }
- }
+ playing = TRUE;
return 0;
}
// stops cdda audio
static long CALLBACK ISOstop(void) {
- stopCDDA();
+ playing = FALSE;
return 0;
}
// gets subchannel data
-static unsigned char* CALLBACK ISOgetBufferSub(void) {
- if (subHandle != NULL || subChanMixed) {
- return subbuffer;
+static unsigned char* CALLBACK ISOgetBufferSub(int sector) {
+ if (pregapOffset && sector >= pregapOffset) {
+ sector -= 2 * 75;
+ if (sector < pregapOffset) // ?
+ 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;
}
- return NULL;
+ if (subChanRaw) DecodeRawSubData();
+ return subbuffer;
}
static long CALLBACK ISOgetStatus(struct CdrStat *stat) {
- int sec;
-
+ u32 sect;
+
CDR__getStatus(stat);
-
+
if (playing) {
stat->Type = 0x02;
stat->Status |= 0x80;
- sec = cddaCurOffset / CD_FRAMESIZE_RAW;
- sec2msf(sec, (char *)stat->Time);
}
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 track, track_start = 0;
+ FILE *handle = cdHandle;
+ 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;
+ }
+
+ // 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) {
+ memset(buffer, 0, CD_FRAMESIZE_RAW);
+ return -1;
+ }
+
+ 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;
CDR_stop = ISOstop;
CDR_getBufferSub = ISOgetBufferSub;
CDR_getStatus = ISOgetStatus;
+ CDR_readCDDA = ISOreadCDDA;
CDR_getDriveLetter = CDR__getDriveLetter;
CDR_configure = CDR__configure;
}
int cdrIsoActive(void) {
- return (cdHandle != NULL);
+ return (cdHandle || chd_img);
}