X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fcdriso.c;h=081a8f2b96483e0d8d50e3d18034a00770abb222;hb=65722e0455a2a42eece5e67ce2e92bfac03e1368;hp=3189579494b4c9edfaf3467bdceb6f1d97012489;hpb=9afc3b574dbe79c7a4c615986beb503cc5435864;p=pcsx_rearmed.git

diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c
index 31895794..081a8f2b 100644
--- a/libpcsxcore/cdriso.c
+++ b/libpcsxcore/cdriso.c
@@ -30,8 +30,7 @@
 #include <process.h>
 #include <windows.h>
 #define strcasecmp _stricmp
-#define usleep(x) Sleep((x) / 1000)
-#else
+#elif P_HAVE_PTHREAD
 #include <pthread.h>
 #include <sys/time.h>
 #include <unistd.h>
@@ -110,7 +109,7 @@ struct trackinfo {
 	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
+	unsigned int start_offset; // byte offset from start of above file (chd: sector offset)
 };
 
 #define MAXTRACKS 100 /* How many tracks can a CD hold? */
@@ -1229,7 +1228,7 @@ static int cdread_chd(FILE *f, unsigned int base, void *dest, int sector)
 {
 	int hunk;
 
-	assert(base == 0);
+	sector += base;
 
 	hunk = sector / chd_img->sectors_per_hunk;
 	chd_img->sector_in_hunk = sector % chd_img->sectors_per_hunk;
@@ -1327,7 +1326,6 @@ static long CALLBACK ISOopen(void) {
 	char alt_bin_filename[MAXPATHLEN];
 	const char *bin_filename;
 	char image_str[1024];
-	int is_chd = 0;
 
 	if (cdHandle != NULL) {
 		return 0; // it's already open
@@ -1382,7 +1380,6 @@ static long CALLBACK ISOopen(void) {
 		CDR_getBuffer = ISOgetBuffer_chd;
 		cdimg_read_func = cdread_chd;
 		cdimg_read_sub_func = cdread_sub_chd;
-		is_chd = 1;
 	}
 #endif
 
@@ -1423,14 +1420,11 @@ static long CALLBACK ISOopen(void) {
 	}
 
 	// guess whether it is mode1/2048
-	if (ftello(cdHandle) % 2048 == 0) {
+	if (cdimg_read_func == cdread_normal && ftello(cdHandle) % 2048 == 0) {
 		unsigned int modeTest = 0;
 		fseek(cdHandle, 0, SEEK_SET);
 		if (!fread(&modeTest, sizeof(modeTest), 1, cdHandle)) {
-#ifndef NDEBUG
 			SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__);
-#endif
-			return -1;
 		}
 		if (SWAP32(modeTest) != 0xffffff00) {
 			strcat(image_str, "[2048]");
@@ -1443,7 +1437,7 @@ static long CALLBACK ISOopen(void) {
 
 	PrintTracks();
 
-	if (subChanMixed && !is_chd) {
+	if (subChanMixed && cdimg_read_func == cdread_normal) {
 		cdimg_read_func = cdread_sub_mixed;
 		cdimg_read_sub_func = cdread_sub_sub_mixed;
 	}