s32 DeviceReadTrack(u32 lsn, int mode, u8 *buffer)
{
if (DiscInserted() == -1) return(-1);
if ((disctype == CDVD_TYPE_PS2DVD) || (disctype == CDVD_TYPE_DVDV))
{
return(DVDreadTrack(lsn, mode, buffer));
}
else
{
return(CDreadTrack(lsn, mode, buffer));
} // ENDIF- Is this a DVD?
} // END DeviceReadTrack()
s32 DeviceReadTrack(u32 lsn, int mode, u8 *buffer)
{
s32 s32result;
#ifdef VERBOSE_FUNCTION_DEVICE
PrintLog("CDVD device: DeviceReadTrack(%i)", lsn);
#endif /* VERBOSE_FUNCTION_DEVICE */
if (DiscInserted() == -1) return (-1);
// Get that data
if ((disctype == CDVD_TYPE_PS2DVD) || (disctype == CDVD_TYPE_DVDV))
s32result = DVDreadTrack(lsn, mode, buffer);
else
s32result = CDreadTrack(lsn, mode, buffer); //ENDIF- Read a DVD sector or a CD sector?
return (s32result);
} // END DeviceReadTrack()
s32 DVDgetDiskType()
{
char playstationname[] = "PLAYSTATION\0";
int retval;
s32 tempdisctype;
char tempbuffer[2048];
int i;
#ifdef VERBOSE_FUNCTION_DEVICE
PrintLog("CDVDiso DVD: DVDgetDiskType()");
#endif /* VERBOSE_FUNCTION_DEVICE */
retval = DVDGetStructures();
if (retval < 0) return (-1); // Can't get DVD structures? Not a DVD then.
if (layer.d.EndDataSector == 0) return (-1); // Missing info? Abort.
retval = DVDreadTrack(16, CDVD_MODE_2048, tempbuffer);
if (retval < 0)
return (-1); // ENDIF- Couldn't read the ISO9660 volume track? Fail.
tempdisctype = CDVD_TYPE_UNKNOWN;
if (layer.d.NumberOfLayers == 0) {
#ifdef VERBOSE_DISC_INFO
PrintLog("CDVDiso DVD: Found Single-Sided DVD.");
#endif /* VERBOSE_DISC_INFO */
disctype = CDVD_TYPE_DETCTDVDS;
} else {
#ifdef VERBOSE_DISC_INFO
PrintLog("CDVDiso DVD: Found Dual-Sided DVD.");
#endif /* VERBOSE_DISC_INFO */
disctype = CDVD_TYPE_DETCTDVDD;
} // ENDIF- Are we looking at a single layer DVD? (NumberOfLayers + 1)
i = 0;
while ((playstationname[i] != 0) &&
(playstationname[i] == tempbuffer[8 + i])) i++;
if (playstationname[i] == 0) {
#ifdef VERBOSE_DISC_TYPE
PrintLog("CDVDiso DVD: Found Playstation 2 DVD.");
#endif /* VERBOSE_DISC_TYPE */
tempdisctype = CDVD_TYPE_PS2DVD;
} else {
#ifdef VERBOSE_DISC_TYPE
PrintLog("CDVDiso DVD: Guessing it's a Video DVD.");
#endif /* VERBOSE_DISC_TYPE */
tempdisctype = CDVD_TYPE_DVDV;
} // ENDIF- Is this a playstation disc?
for (i = 0; i < 2048; i++) tocbuffer[i] = 0;
if (layer.d.NumberOfLayers == 0) {
tocbuffer[0] = 0x04;
tocbuffer[4] = 0x86;
tocbuffer[5] = 0x72;
} else {
tocbuffer[0] = 0x24;
tocbuffer[4] = 0x41;
tocbuffer[5] = 0x95;
} // ENDIF- Are we looking at a single layer DVD? (NumberOfLayers + 1)
tocbuffer[1] = 0x02;
tocbuffer[2] = 0xF2;
tocbuffer[3] = 0x00;
tocbuffer[16] = 0x00;
tocbuffer[17] = 0x03;
tocbuffer[18] = 0x00;
tocbuffer[19] = 0x00;
disctype = tempdisctype;
return (disctype);
} // END DVDgetDiskType()
s32 DVDgetDiskType(s32 ioctldisktype)
{
s32 s32result;
int i;
s32 tempdisctype;
errno = 0;
s32result = 0;
i = 0;
tempdisctype = CDVD_TYPE_UNKNOWN;
#ifdef VERBOSE_FUNCTION
PrintLog("CDVD driver: DVDgetDiskType()");
#endif /* VERBOSE_FUNCTION */
if ((ioctldisktype != CDS_DATA_1) && (ioctldisktype != CDS_MIXED))
{
return(-1);
} // ENDIF- Not a data disc we know of? Abort then
s32result = DVDreadPhysical();
if ((s32result != 0) || (errno != 0))
{
return(-1);
} // ENDIF- Error reading the DVD physical structure? Not a DVD after all.
if (dvdphysical.physical.layer[0].end_sector >= (2048*1024))
{
#ifdef VERBOSE_DISC_TYPE
PrintLog("CDVD driver: DVD Found (Dual-Sided)");
#endif /* VERBOSE_DISC_TYPE */
disctype = CDVD_TYPE_DETCTDVDD;
}
else
{
#ifdef VERBOSE_DISC_TYPE
PrintLog("CDVD driver: DVD Found (Single-Sided)");
#endif /* VERBOSE_DISC_TYPE */
disctype = CDVD_TYPE_DETCTDVDS;
} // ENDIF- Definitely a DVD. Size Test?
// Read in the rest of the structures...
DVDreadCopyright();
DVDreadBCA();
DVDreadManufact();
// Test for "Playstation" header
s32result = DVDreadTrack(16, CDVD_MODE_2048, dvdtempbuffer);
if (s32result != 0)
{
return(-1);
}
else
{
i = 0;
while ((*(playstationname + i) != 0) &&
(*(playstationname + i) == dvdtempbuffer[8 + i]))
{
i++;
} // ENDWHILE- Checking each letter of PLAYSTATION name for a match
if (*(playstationname + i) == 0)
{
#ifdef VERBOSE_DISC_TYPE
PrintLog("CDVD driver: Detected Playstation 2 DVD");
#endif /* VERBOSE_DISC_TYPE */
tempdisctype = CDVD_TYPE_PS2DVD;
}
else
{
#ifdef VERBOSE_DISC_TYPE
PrintLog("CDVD driver: Guessing it's a Video DVD");
#endif /* VERBOSE_DISC_TYPE */
tempdisctype = CDVD_TYPE_DVDV;
} // ENDIF- Did we find the Playstation name?
} // ENDIF- Error reading disc volume information? Invalidate Disc
if (dvdphysical.physical.layer[0].end_sector >= (2048*1024))
{
tocbuffer[0] = 0x24; // Dual-Sided DVD
tocbuffer[4] = 0x41;
tocbuffer[5] = 0x95;
}
else
{
tocbuffer[0] = 0x04; // Single-Sided DVD
tocbuffer[4] = 0x86;
tocbuffer[5] = 0x72;
} // ENDIF- Are there too many sectors for a single-sided disc?
tocbuffer[1] = 0x02;
tocbuffer[2] = 0xF2;
tocbuffer[3] = 0x00;
tocbuffer[16] = 0x00;
tocbuffer[17] = 0x03;
tocbuffer[18] = 0x00;
tocbuffer[19] = 0x00;
disctype = tempdisctype; // Triggers the fact the other info is available
return(disctype);
} // END DVDgetDiskType()
