drc: more timing hacks

[pcsx_rearmed.git] / libpcsxcore / cdriso.c

diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c
index 36ff405..b733f5b 100644 (file)
--- a/libpcsxcore/cdriso.c
+++ b/libpcsxcore/cdriso.c
@@ -34,6 +34,7 @@
 #include <sys/time.h>
 #include <unistd.h>
 #endif
+#include <errno.h>
 #include <zlib.h>
 
 unsigned int cdrIsoMultidiskCount;
@@ -329,8 +330,8 @@ static int parsetoc(const char *isofile) {
                }
                // check if it's really a TOC named as a .cue
                fgets(linebuf, sizeof(linebuf), fi);
-               token = strtok(tmp, " ");
-               if (strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) {
+               token = strtok(linebuf, " ");
+               if (token && strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) {
                        fclose(fi);
                        return -1;
                }
@@ -551,9 +552,9 @@ static int parsecue(const char *isofile) {
                        pregapOffset = -1; // mark to fill track start_offset
                }
                else if (!strcmp(token, "FILE")) {
-                       t = sscanf(linebuf, " FILE \"%256[^\"]\"", tmpb);
+                       t = sscanf(linebuf, " FILE \"%255[^\"]\"", tmpb);
                        if (t != 1)
-                               sscanf(linebuf, " FILE %256s", tmpb);
+                               sscanf(linebuf, " FILE %255s", tmpb);
 
                        // absolute path?
                        ti[numtracks + 1].handle = fopen(tmpb, "rb");
@@ -794,6 +795,8 @@ static int handlepbp(const char *isofile) {
        if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0))
                return -1;
 
+       fseek(cdHandle, 0, SEEK_SET);
+
        numtracks = 0;
 
        ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle);
@@ -957,6 +960,8 @@ static int handlecbin(const char *isofile) {
        if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0))
                return -1;
 
+       fseek(cdHandle, 0, SEEK_SET);
+
        ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle);
        if (ret != sizeof(ciso_hdr)) {
                SysPrintf("failed to read ciso header\n");
@@ -1213,6 +1218,8 @@ static void PrintTracks(void) {
 // file for playback
 static long CALLBACK ISOopen(void) {
        boolean isMode1ISO = FALSE;
+       char alt_bin_filename[MAXPATHLEN];
+       const char *bin_filename;
 
        if (cdHandle != NULL) {
                return 0; // it's already open
@@ -1220,6 +1227,8 @@ static long CALLBACK ISOopen(void) {
 
        cdHandle = fopen(GetIsoFile(), "rb");
        if (cdHandle == NULL) {
+               SysPrintf(_("Could't open '%s' for reading: %s\n"),
+                       GetIsoFile(), strerror(errno));
                return -1;
        }
 
@@ -1265,8 +1274,36 @@ static long CALLBACK ISOopen(void) {
                SysPrintf("[+sbi]");
        }
 
-       // guess whether it is mode1/2048
        fseek(cdHandle, 0, SEEK_END);
+
+       // maybe user selected metadata file instead of main .bin ..
+       bin_filename = GetIsoFile();
+       if (ftell(cdHandle) < 2352 * 0x10) {
+               static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" };
+               FILE *tmpf = NULL;
+               size_t i;
+               char *p;
+
+               strncpy(alt_bin_filename, bin_filename, sizeof(alt_bin_filename));
+               alt_bin_filename[MAXPATHLEN - 1] = '\0';
+               if (strlen(alt_bin_filename) >= 4) {
+                       p = alt_bin_filename + strlen(alt_bin_filename) - 4;
+                       for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) {
+                               strcpy(p, exts[i]);
+                               tmpf = fopen(alt_bin_filename, "rb");
+                               if (tmpf != NULL)
+                                       break;
+                       }
+               }
+               if (tmpf != NULL) {
+                       bin_filename = alt_bin_filename;
+                       fclose(cdHandle);
+                       cdHandle = tmpf;
+                       fseek(cdHandle, 0, SEEK_END);
+               }
+       }
+
+       // guess whether it is mode1/2048
        if (ftell(cdHandle) % 2048 == 0) {
                unsigned int modeTest = 0;
                fseek(cdHandle, 0, SEEK_SET);
@@ -1289,7 +1326,7 @@ static long CALLBACK ISOopen(void) {
 
        // make sure we have another handle open for cdda
        if (numtracks > 1 && ti[1].handle == NULL) {
-               ti[1].handle = fopen(GetIsoFile(), "rb");
+               ti[1].handle = fopen(bin_filename, "rb");
        }
        cdda_cur_sector = 0;
        cdda_file_offset = 0;