// This function is invoked by the front-end when opening an ISO
// file for playback
static long CALLBACK ISOopen(void) {
u32 modeTest = 0;
if (cdHandle != NULL) {
return 0; // it's already open
}
cdHandle = fopen(GetIsoFile(), "rb");
if (cdHandle == NULL) {
return -1;
}
SysPrintf(_("Loaded CD Image: %s"), GetIsoFile());
cddaBigEndian = FALSE;
subChanMixed = FALSE;
subChanRaw = FALSE;
isMode1ISO = FALSE;
if (parseccd(GetIsoFile()) == 0) {
SysPrintf("[+ccd]");
}
else if (parsemds(GetIsoFile()) == 0) {
SysPrintf("[+mds]");
}
else if (parsecue(GetIsoFile()) == 0) {
SysPrintf("[+cue]");
}
else if (parsetoc(GetIsoFile()) == 0) {
SysPrintf("[+toc]");
} else {
//guess whether it is mode1/2048
fseek(cdHandle, 0, SEEK_END);
if(ftell(cdHandle) % 2048 == 0) {
fseek(cdHandle, 0, SEEK_SET);
fread(&modeTest, 4, 1, cdHandle);
if(SWAP32(modeTest)!=0xffffff00) isMode1ISO = TRUE;
}
fseek(cdHandle, 0, SEEK_SET);
}
if (!subChanMixed && opensubfile(GetIsoFile()) == 0) {
SysPrintf("[+sub]");
}
SysPrintf(".\n");
PrintTracks();
return 0;
}
// this function tries to get the .cue file of the given .bin
// 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;
char *token;
char time[20];
char *tmp;
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 {
return -1;
}
if ((fi = fopen(cuename, "r")) == NULL) {
return -1;
}
// Some stupid tutorials wrongly tell users to use cdrdao to rip a
// "bin/cue" image, which is in fact a "bin/toc" image. So let's check
// that...
if (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
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);
return parsetoc(isofile);
}
fseek(fi, 0, SEEK_SET);
}
// 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, " ");
if (token == NULL) {
continue;
}
if (!strcmp(token, "TRACK")) {
numtracks++;
sector_size = 0;
if (strstr(linebuf, "AUDIO") != NULL) {
ti[numtracks].type = CDDA;
sector_size = 2352;
}
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")) {
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 * sector_size;
t += sector_offs;
sec2msf(t, ti[numtracks].start);
// 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 \"%256[^\"]\"", tmpb);
if (t != 1)
sscanf(linebuf, " FILE %256s", 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");
}
// update global offset if this is not first file in this .cue
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");
}
}
}
fclose(fi);
return 0;
}
// This function is invoked by the front-end when opening an ISO
// file for playback
static long CALLBACK ISOopen(void) {
boolean isMode1ISO = FALSE;
char alt_bin_filename[MAXPATHLEN];
const char *bin_filename;
if (cdHandle != NULL) {
return 0; // it's already open
}
cdHandle = fopen(GetIsoFile(), "rb");
if (cdHandle == NULL) {
SysPrintf(_("Could't open '%s' for reading: %s\n"),
GetIsoFile(), strerror(errno));
return -1;
}
SysPrintf(_("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;
if (parsetoc(GetIsoFile()) == 0) {
SysPrintf("[+toc]");
}
else if (parseccd(GetIsoFile()) == 0) {
SysPrintf("[+ccd]");
}
else if (parsemds(GetIsoFile()) == 0) {
SysPrintf("[+mds]");
}
else if (parsecue(GetIsoFile()) == 0) {
SysPrintf("[+cue]");
}
if (handlepbp(GetIsoFile()) == 0) {
SysPrintf("[pbp]");
CDR_getBuffer = ISOgetBuffer_compr;
cdimg_read_func = cdread_compressed;
}
else if (handlecbin(GetIsoFile()) == 0) {
SysPrintf("[cbin]");
CDR_getBuffer = ISOgetBuffer_compr;
cdimg_read_func = cdread_compressed;
}
if (!subChanMixed && opensubfile(GetIsoFile()) == 0) {
SysPrintf("[+sub]");
}
if (opensbifile(GetIsoFile()) == 0) {
SysPrintf("[+sbi]");
}
fseek(cdHandle, 0, SEEK_END);
// maybe user selected metadata file instead of main .bin ..
bin_filename = GetIsoFile();
if (ftell(cdHandle) < 2352 * 0x10) {
static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" };
FILE *tmpf = NULL;
size_t i;
char *p;
strncpy(alt_bin_filename, bin_filename, sizeof(alt_bin_filename));
alt_bin_filename[MAXPATHLEN - 1] = '\0';
if (strlen(alt_bin_filename) >= 4) {
p = alt_bin_filename + strlen(alt_bin_filename) - 4;
for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) {
strcpy(p, exts[i]);
tmpf = fopen(alt_bin_filename, "rb");
if (tmpf != NULL)
break;
}
}
if (tmpf != NULL) {
bin_filename = alt_bin_filename;
fclose(cdHandle);
cdHandle = tmpf;
fseek(cdHandle, 0, SEEK_END);
}
}
// guess whether it is mode1/2048
if (ftell(cdHandle) % 2048 == 0) {
unsigned int modeTest = 0;
fseek(cdHandle, 0, SEEK_SET);
fread(&modeTest, 4, 1, cdHandle);
if (SWAP32(modeTest) != 0xffffff00) {
SysPrintf("[2048]");
isMode1ISO = TRUE;
}
}
fseek(cdHandle, 0, SEEK_SET);
SysPrintf(".\n");
PrintTracks();
if (subChanMixed)
cdimg_read_func = cdread_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(bin_filename, "rb");
}
cdda_cur_sector = 0;
cdda_file_offset = 0;
return 0;
}
// this function tries to get the .cue file of the given .bin
// the necessary data is put into the ti (trackinformation)-array
static int parsecue(const char *isofile) {
char cuename[MAXPATHLEN];
FILE *fi;
char *token;
char time[20];
char *tmp;
char linebuf[256], dummy[256];
unsigned int t;
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 {
return -1;
}
if ((fi = fopen(cuename, "r")) == NULL) {
return -1;
}
// Some stupid tutorials wrongly tell users to use cdrdao to rip a
// "bin/cue" image, which is in fact a "bin/toc" image. So let's check
// that...
if (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
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);
return parsetoc(isofile);
}
fseek(fi, 0, SEEK_SET);
}
memset(&ti, 0, sizeof(ti));
while (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
strncpy(dummy, linebuf, sizeof(linebuf));
token = strtok(dummy, " ");
if (token == NULL) {
continue;
}
if (!strcmp(token, "TRACK")){
numtracks++;
if (strstr(linebuf, "AUDIO") != NULL) {
ti[numtracks].type = CDDA;
}
else if (strstr(linebuf, "MODE1/2352") != NULL || strstr(linebuf, "MODE2/2352") != NULL) {
ti[numtracks].type = DATA;
}
}
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);
t = msf2sec(ti[numtracks].start) + 2 * 75;
sec2msf(t, ti[numtracks].start);
// If we've already seen another track, this is its end
if (numtracks > 1) {
t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start);
sec2msf(t, ti[numtracks - 1].length);
}
}
}
fclose(fi);
// 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);
}
return 0;
}
// This function is invoked by the front-end when opening an ISO
// file for playback
static long ISOopen(void) {
boolean isMode1ISO = FALSE;
if (cdHandle != NULL) {
return 0; // it's already open
}
cdHandle = fopen(GetIsoFile(), "rb");
if (cdHandle == NULL) {
return -1;
}
SysPrintf("Loaded CD Image: %s", GetIsoFile());
cddaBigEndian = FALSE;
subChanMixed = FALSE;
subChanRaw = FALSE;
pregapOffset = 0;
CDR_getBuffer = ISOgetBuffer;
cdimg_read_func = cdread_normal;
if (parsecue(GetIsoFile()) == 0) {
SysPrintf("[+cue]");
}
else if (parsetoc(GetIsoFile()) == 0) {
SysPrintf("[+toc]");
}
else if (parseccd(GetIsoFile()) == 0) {
SysPrintf("[+ccd]");
}
else if (parsemds(GetIsoFile()) == 0) {
SysPrintf("[+mds]");
}
else if (parsepbp(GetIsoFile()) == 0) {
SysPrintf("[pbp]");
CDR_getBuffer = ISOgetBuffer_compr;
cdimg_read_func = cdread_compressed;
}
if (!subChanMixed && opensubfile(GetIsoFile()) == 0) {
SysPrintf("[+sub]");
}
if (opensbifile(GetIsoFile()) == 0) {
SysPrintf("[+sbi]");
}
// guess whether it is mode1/2048
fseek(cdHandle, 0, SEEK_END);
if (ftell(cdHandle) % 2048 == 0) {
unsigned int modeTest = 0;
fseek(cdHandle, 0, SEEK_SET);
fread(&modeTest, 4, 1, cdHandle);
if (SWAP32(modeTest) != 0xffffff00) {
SysPrintf("[2048]");
isMode1ISO = TRUE;
}
}
fseek(cdHandle, 0, SEEK_SET);
SysPrintf(".\n");
PrintTracks();
if (subChanMixed)
cdimg_read_func = cdread_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");
}
cdda_cur_sector = cdda_start_sector = 0;
return 0;
}
