s32 DeviceBufferOffset()
{
#ifdef VERBOSE_FUNCTION_DEVICE
PrintLog("CDVD device: DeviceBufferOffset()");
#endif /* VERBOSE_FUNCTION_DEVICE */
if (DiscInserted() == -1) return (-1);
if ((disctype == CDVD_TYPE_PS2DVD) || (disctype == CDVD_TYPE_DVDV))
return (0);
else
return (CDgetBufferOffset()); // ENDIF- Is this a DVD?
} // END DeviceBufferOffset()
s32 DeviceBufferOffset()
{
if (DiscInserted() == -1) return(-1);
if ((disctype == CDVD_TYPE_PS2DVD) || (disctype == CDVD_TYPE_DVDV))
{
return(0);
}
else
{
return(CDgetBufferOffset());
} // ENDIF- Is this a DVD?
return(-1);
} // END DeviceBufferOffset()
s32 CALLBACK CDgetDiskType(s32 ioctldisktype)
{
s32 offset;
s32 s32result;
int i;
u8 j;
int tempdisctype;
offset = 0;
errno = 0;
i = 0;
j = 0;
tempdisctype = CDVD_TYPE_UNKNOWN;
#ifdef VERBOSE_FUNCTION
PrintLog("CDVD driver: CDgetDiskType()");
#endif /* VERBOSE_FUNCTION */
s32result = CDreadTrack(16, CDVD_MODE_2352, cdtempbuffer);
if ((s32result != 0) || (errno != 0))
return (-1); // ENDIF- Cannot read the CD's ISO9660 volume sector? Abort
disctype = CDVD_TYPE_DETCTCD;
switch (ioctldisktype) {
case CDS_AUDIO:
#ifdef VERBOSE_DISC_TYPE
PrintLog("CDVD driver: Detected CDDA Audio disc.");
#endif /* VERBOSE_DISC_TYPE */
tempdisctype = CDVD_TYPE_CDDA;
tocbuffer[0] = 0x01;
break;
case CDS_DATA_1:
case CDS_MIXED:
#ifdef VERBOSE_DISC_TYPE
PrintLog("CDVD driver: Detected CD disc.");
#endif /* VERBOSE_DISC_TYPE */
tocbuffer[0] = 0x41;
CDreadTrack(16, CDVD_MODE_2048, cdtempbuffer);
offset = CDgetBufferOffset();
i = 0;
while ((*(playstationcdname + i) != 0) &&
(*(playstationcdname + i) == cdtempbuffer[offset + 8 + i])) i++;
if (*(playstationcdname + i) == 0) {
i = 0;
while ((*(ps1name + i) != 0) &&
(*(ps1name + i) == cdtempbuffer[offset + 1024 + i])) i++;
if (*(ps1name + i) == 0) {
#ifdef VERBOSE_DISC_TYPE
PrintLog("CDVD driver: Detected Playstation CD disc.");
#endif /* VERBOSE_DISC_TYPE */
tempdisctype = CDVD_TYPE_PSCD;
} else {
#ifdef VERBOSE_DISC_TYPE
PrintLog("CDVD driver: Detected Playstation 2 CD disc.");
#endif /* VERBOSE_DISC_TYPE */
tempdisctype = CDVD_TYPE_PS2CD;
} // ENDIF- Did we find the CD ident? (For Playstation 1 CDs)
} else
tempdisctype = CDVD_TYPE_UNKNOWN; // ENDIF- Did we find the Playstation name?
break;
default:
return (-1);
} // ENDSWITCH- What has ioctl disc type come up with?
// Collect TN data
cdheader.cdth_trk0 = 0;
cdheader.cdth_trk1 = 0;
s32result = ioctl(devicehandle, CDROMREADTOCHDR, &cdheader);
if ((s32result == -1) || (errno != 0)) {
#ifdef VERBOSE_WARNINGS
PrintLog("CDVD driver: Error reading TN: (%i) %i:%s",
s32result, errno, strerror(errno));
#endif /* VERBOSE_WARNINGS */
cdheader.cdth_trk0 = 1;
cdheader.cdth_trk1 = 1;
} // ENDIF- Failed to read in track count? Assume 1 track.
#ifdef VERBOSE_DISC_INFO
PrintLog("CDVD driver: Track Number Range: %i-%i",
cdheader.cdth_trk0, cdheader.cdth_trk1);
#endif /* VERBOSE_DISC_INFO */
tocbuffer[2] = 0xA0;
tocbuffer[7] = HEXTOBCD(cdheader.cdth_trk0);
tocbuffer[12] = 0xA1;
tocbuffer[17] = HEXTOBCD(cdheader.cdth_trk1);
// Collect disc TD data
cdtrack.cdte_track = CDROM_LEADOUT;
cdtrack.cdte_format = CDROM_LBA;
s32result = ioctl(devicehandle, CDROMREADTOCENTRY, &cdtrack);
if ((s32result == -1) || (errno != 0)) {
#ifdef VERBOSE_WARNINGS
PrintLog("CDVD driver: Error reading TD for disc: (%i) %i:%s",
s32result, errno, strerror(errno));
#endif /* VERBOSE_WARNINGS */
return (-1);
} // ENDIF- Trouble getting a track count?
LBAtoMSF(cdtrack.cdte_addr.lba, &tocbuffer[27]);
#ifdef VERBOSE_DISC_INFO
PrintLog("CDVD driver: Total Time: %i:%i",
tocbuffer[27], tocbuffer[28]);
#endif /* VERBOSE_DISC_INFO */
tocbuffer[27] = HEXTOBCD(tocbuffer[27]);
tocbuffer[28] = HEXTOBCD(tocbuffer[28]);
tocbuffer[29] = HEXTOBCD(tocbuffer[29]);
// Collect track TD data
for (j = cdheader.cdth_trk0; j <= cdheader.cdth_trk1; j++) {
cdtrack.cdte_track = j; // j-1?
cdtrack.cdte_format = CDROM_LBA;
s32result = ioctl(devicehandle, CDROMREADTOCENTRY, &cdtrack);
if ((s32result == -1) || (errno != 0)) {
#ifdef VERBOSE_WARNINGS
PrintLog("CDVD driver: Error reading TD for track %i: (%i) %i:%s",
j, s32result, errno, strerror(errno));
#endif /* VERBOSE_WARNINGS */
// No more here...
} else {
LBAtoMSF(cdtrack.cdte_addr.lba, &tocbuffer[j * 10 + 37]);
#ifdef VERBOSE_DISC_INFO
PrintLog("CDVD driver: Track %i: Data Mode %i Disc Start Time:%i:%i.%i\n",
j,
cdtrack.cdte_datamode,
tocbuffer[j * 10 + 37],
tocbuffer[j * 10 + 38],
tocbuffer[j * 10 + 39]);
#endif /* VERBOSE_DISC_INFO */
tocbuffer[j * 10 + 30] = cdtrack.cdte_datamode;
tocbuffer[j * 10 + 32] = HEXTOBCD(j);
tocbuffer[j * 10 + 37] = HEXTOBCD(tocbuffer[j * 10 + 37]);
tocbuffer[j * 10 + 38] = HEXTOBCD(tocbuffer[j * 10 + 38]);
tocbuffer[j * 10 + 39] = HEXTOBCD(tocbuffer[j * 10 + 39]);
} // ENDIF- Trouble getting a track count?
} // NEXT j- Reading each track's info in turn
errno = 0;
disctype = tempdisctype; // Trigger the fact we have the info (finally)
return (disctype);
} // END CDVDgetDiskType()
