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-rw-r--r--libpcsxcore/cdriso.c145
1 files changed, 115 insertions, 30 deletions
diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c
index 94bd3eb..21203da 100644
--- a/libpcsxcore/cdriso.c
+++ b/libpcsxcore/cdriso.c
@@ -16,7 +16,7 @@
* 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"
@@ -28,6 +28,7 @@
#ifdef _WIN32
#include <process.h>
#include <windows.h>
+#define strcasecmp _stricmp
#else
#include <pthread.h>
#include <sys/time.h>
@@ -46,6 +47,8 @@ static boolean subChanMixed = FALSE;
static boolean subChanRaw = FALSE;
static boolean subChanMissing = FALSE;
+static boolean multifile = FALSE;
+
static unsigned char cdbuffer[CD_FRAMESIZE_RAW];
static unsigned char subbuffer[SUB_FRAMESIZE];
@@ -71,6 +74,8 @@ static unsigned int cdda_file_offset;
* XXX: there could be multiple pregaps but PSX dumps only have one? */
static unsigned int pregapOffset;
+#define cddaCurPos cdda_cur_sector
+
// compressed image stuff
static struct {
unsigned char buff_raw[16][CD_FRAMESIZE_RAW];
@@ -93,10 +98,8 @@ long CALLBACK CDR__getStatus(struct CdrStat *stat);
static void DecodeRawSubData(void);
-extern void *hCDRDriver;
-
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
@@ -289,10 +292,11 @@ static void startCDDA(void) {
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, sector_offs;
+ unsigned int t, sector_offs, sector_size;
+ unsigned int current_zero_gap = 0;
numtracks = 0;
@@ -328,17 +332,21 @@ static int parsetoc(const char *isofile) {
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++;
@@ -349,9 +357,11 @@ static int parsetoc(const char *isofile) {
// 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)) {
@@ -362,8 +372,7 @@ static int parsetoc(const char *isofile) {
if (ti[numtracks].type == CDDA) {
sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2);
ti[numtracks].start_offset = t;
- t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0);
- t += sector_offs;
+ t = t / sector_size + sector_offs;
sec2msf(t, (char *)&ti[numtracks].start);
tok2msf((char *)&time2, (char *)&ti[numtracks].length);
}
@@ -375,22 +384,39 @@ static int parsetoc(const char *isofile) {
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 /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0);
- t += msf2sec(ti[numtracks].start) + sector_offs;
+ t = t / sector_size + sector_offs;
sec2msf(t, (char *)&ti[numtracks].start);
tok2msf((char *)&time2, (char *)&ti[numtracks].length);
}
- else if (!strcmp(token, "ZERO")) {
- sscanf(linebuf, "ZERO AUDIO RW_RAW %8s", time);
- tok2msf((char *)&time, dummy);
- sector_offs += msf2sec(dummy);
+ 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 /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0);
+ 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);
@@ -444,10 +470,12 @@ static int parsecue(const char *isofile) {
// build a path for files referenced in .cue
strncpy(filepath, cuename, sizeof(filepath));
- tmp = strrchr(filepath, '/') + 1;
- if (tmp == NULL)
- tmp = strrchr(filepath, '\\') + 1;
+ tmp = strrchr(filepath, '/');
if (tmp == NULL)
+ tmp = strrchr(filepath, '\\');
+ if (tmp != NULL)
+ tmp++;
+ else
tmp = filepath;
*tmp = 0;
filepath[sizeof(filepath) - 1] = 0;
@@ -535,8 +563,10 @@ static int parsecue(const char *isofile) {
}
// update global offset if this is not first file in this .cue
- if (numtracks + 1 > 1)
+ if (numtracks + 1 > 1) {
+ multifile = 1;
sector_offs += file_len;
+ }
file_len = 0;
if (ti[numtracks + 1].handle == NULL) {
@@ -1192,6 +1222,7 @@ static long CALLBACK ISOopen(void) {
subChanRaw = FALSE;
pregapOffset = 0;
cdrIsoMultidiskCount = 1;
+ multifile = 0;
CDR_getBuffer = ISOgetBuffer;
cdimg_read_func = cdread_normal;
@@ -1326,7 +1357,6 @@ static long CALLBACK ISOgetTN(unsigned char *buffer) {
// byte 2 - minute
static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) {
if (track == 0) {
- // CD length according pcsxr-svn (done a bit different here)
unsigned int sect;
unsigned char time[3];
sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length);
@@ -1443,20 +1473,74 @@ static unsigned char* CALLBACK ISOgetBufferSub(void) {
}
static long CALLBACK ISOgetStatus(struct CdrStat *stat) {
- int sec;
-
+ u32 sect;
+
CDR__getStatus(stat);
-
+
if (playing) {
stat->Type = 0x02;
stat->Status |= 0x80;
}
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 file, track, track_start = 0;
+ 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;
}
- sec = cdda_cur_sector;
- sec2msf(sec, (char *)stat->Time);
+ file = 1;
+ if (multifile) {
+ // find the file that contains this track
+ for (file = track; file > 1; file--)
+ if (ti[file].handle != NULL)
+ break;
+ }
+
+ ret = cdimg_read_func(ti[file].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;
}
@@ -1474,6 +1558,7 @@ void cdrIsoInit(void) {
CDR_stop = ISOstop;
CDR_getBufferSub = ISOgetBufferSub;
CDR_getStatus = ISOgetStatus;
+ CDR_readCDDA = ISOreadCDDA;
CDR_getDriveLetter = CDR__getDriveLetter;
CDR_configure = CDR__configure;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 15:27:39 +0000