// 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 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 tries to get the .toc file of the given .bin
// the necessary data is put into the ti (trackinformation)-array
static int parsetoc(const char *isofile) {
char tocname[MAXPATHLEN];
FILE *fi;
char linebuf[256], tmp[256], name[256];
char *token;
char time[20], time2[20];
unsigned int t, sector_offs, sector_size;
unsigned int current_zero_gap = 0;
numtracks = 0;
// copy name of the iso and change extension from .bin to .toc
strncpy(tocname, isofile, sizeof(tocname));
tocname[MAXPATHLEN - 1] = '\0';
if (strlen(tocname) >= 4) {
strcpy(tocname + strlen(tocname) - 4, ".toc");
}
else {
return -1;
}
if ((fi = fopen(tocname, "r")) == NULL) {
// try changing extension to .cue (to satisfy some stupid tutorials)
strcpy(tocname + strlen(tocname) - 4, ".cue");
if ((fi = fopen(tocname, "r")) == NULL) {
// if filename is image.toc.bin, try removing .bin (for Brasero)
strcpy(tocname, isofile);
t = strlen(tocname);
if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) {
tocname[t - 4] = '\0';
if ((fi = fopen(tocname, "r")) == NULL) {
return -1;
}
}
else {
return -1;
}
}
// check if it's really a TOC named as a .cue
fgets(linebuf, sizeof(linebuf), fi);
token = strtok(linebuf, " ");
if (token && strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) {
fclose(fi);
return -1;
}
fseek(fi, 0, SEEK_SET);
}
memset(&ti, 0, sizeof(ti));
cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio
sector_size = CD_FRAMESIZE_RAW;
sector_offs = 2 * 75;
// parse the .toc file
while (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
// search for tracks
strncpy(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++;
if (!strncmp(token, "MODE2_RAW", 9)) {
ti[numtracks].type = DATA;
sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0
// check if this image contains mixed subchannel data
token = strtok(NULL, " ");
if (token != NULL && !strncmp(token, "RW", 2)) {
sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE;
subChanMixed = TRUE;
if (!strncmp(token, "RW_RAW", 6))
subChanRaw = TRUE;
}
}
else if (!strncmp(token, "AUDIO", 5)) {
ti[numtracks].type = CDDA;
}
}
else if (!strcmp(token, "DATAFILE")) {
if (ti[numtracks].type == CDDA) {
sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2);
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 {
sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time);
tok2msf((char *)&time, (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 += 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);
return 0;
}
// this function tries to get the .toc file of the given .bin
// the necessary data is put into the ti (trackinformation)-array
static int parsetoc(const char *isofile) {
char tocname[MAXPATHLEN];
FILE *fi;
char linebuf[256], dummy[256], name[256];
char *token;
char time[20], time2[20];
unsigned int t;
numtracks = 0;
// copy name of the iso and change extension from .bin to .toc
strncpy(tocname, isofile, sizeof(tocname));
tocname[MAXPATHLEN - 1] = '\0';
if (strlen(tocname) >= 4) {
strcpy(tocname + strlen(tocname) - 4, ".toc");
}
else {
return -1;
}
if ((fi = fopen(tocname, "r")) == NULL) {
// try changing extension to .cue (to satisfy some stupid tutorials)
strcpy(tocname + strlen(tocname) - 4, ".cue");
if ((fi = fopen(tocname, "r")) == NULL) {
// if filename is image.toc.bin, try removing .bin (for Brasero)
strcpy(tocname, isofile);
t = strlen(tocname);
if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) {
tocname[t - 4] = '\0';
if ((fi = fopen(tocname, "r")) == NULL) {
return -1;
}
}
else {
return -1;
}
}
}
memset(&ti, 0, sizeof(ti));
cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio
// parse the .toc file
while (fgets(linebuf, sizeof(linebuf), fi) != NULL) {
// search for tracks
strncpy(dummy, linebuf, sizeof(linebuf));
token = strtok(dummy, " ");
if (token == NULL) continue;
if (!strcmp(token, "TRACK")) {
// get type of track
token = strtok(NULL, " ");
numtracks++;
if (!strncmp(token, "MODE2_RAW", 9)) {
ti[numtracks].type = DATA;
sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0
// check if this image contains mixed subchannel data
token = strtok(NULL, " ");
if (token != NULL && !strncmp(token, "RW_RAW", 6)) {
subChanMixed = TRUE;
subChanRaw = TRUE;
}
}
else if (!strncmp(token, "AUDIO", 5)) {
ti[numtracks].type = CDDA;
}
}
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;
sec2msf(t, (char *)&ti[numtracks].start);
tok2msf((char *)&time2, (char *)&ti[numtracks].length);
}
else {
sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time);
tok2msf((char *)&time, (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;
sec2msf(t, (char *)&ti[numtracks].start);
tok2msf((char *)&time2, (char *)&ti[numtracks].length);
}
}
fclose(fi);
return 0;
}
