extern void IsoAddTDToTOC(struct IsoFile *isofile,
unsigned char track,
struct tocTD toctd)
{
int temptrack;
int position;
#ifdef VERBOSE_FUNCTION_TOC
PrintLog("CDVDiso TOC: IsoAddTNToTOC(%u)", track);
#endif /* VERBOSE_FUNCTION_TOC */
if (isofile == NULL) return;
temptrack = track;
if (temptrack == 0xAA) temptrack = 0;
if (temptrack > 99) return; // Only up to 99 tracks allowed.
if (temptrack == 0)
{
LBAtoMSF(toctd.lsn, &isofile->toc[27]);
isofile->toc[27] = HEXTOBCD(isofile->toc[27]);
isofile->toc[28] = HEXTOBCD(isofile->toc[28]);
isofile->toc[29] = HEXTOBCD(isofile->toc[29]);
}
else
{
position = temptrack * 10;
position += 30;
isofile->toc[position] = toctd.type;
isofile->toc[position + 2] = HEXTOBCD(temptrack);
LBAtoMSF(toctd.lsn, &isofile->toc[position + 7]);
isofile->toc[position + 7] = HEXTOBCD(isofile->toc[position + 7]);
isofile->toc[position + 8] = HEXTOBCD(isofile->toc[position + 8]);
isofile->toc[position + 9] = HEXTOBCD(isofile->toc[position + 9]);
} // ENDIF- Is this a lead-out? (or an actual track?)
} // END IsoAddTDToTOC()
s32 CALLBACK CDVDreadSubQ(u32 lsn, cdvdSubQ* subq) {
char temptime[3];
int i;
int pos;
u32 tracklsn;
#ifdef VERBOSE_FUNCTION_INTERFACE
PrintLog("CDVDiso interface: CDVDreadSubQ()");
#endif /* VERBOSE_FUNCTION_INTERFACE */
if(isofile == NULL) return(-1);
if(deviceopencount > 0) {
deviceopencount--;
if(deviceopencount > 0) return(-1);
} // ENDIF- Still simulating device tray open?
if((isofile->cdvdtype == CDVD_TYPE_PS2DVD) ||
(isofile->cdvdtype == CDVD_TYPE_DVDV)) {
return(-1); // DVDs don't have SubQ data
} // ENDIF- Trying to get a SubQ from a DVD?
// fake it
i = BCDTOHEX(isofile->toc[7]);
pos = i * 10;
pos += 30;
temptime[0] = BCDTOHEX(isofile->toc[pos + 7]);
temptime[1] = BCDTOHEX(isofile->toc[pos + 8]);
temptime[2] = BCDTOHEX(isofile->toc[pos + 9]);
tracklsn = MSFtoLBA(temptime);
while((i < BCDTOHEX(isofile->toc[17])) && (tracklsn < lsn)) {
i++;
pos = i * 10;
pos += 30;
temptime[0] = BCDTOHEX(isofile->toc[pos + 7]);
temptime[1] = BCDTOHEX(isofile->toc[pos + 8]);
temptime[2] = BCDTOHEX(isofile->toc[pos + 9]);
tracklsn = MSFtoLBA(temptime);
} // ENDIF- Loop through tracks searching for lsn track
i--;
subq->ctrl = 4;
subq->mode = 1;
subq->trackNum = HEXTOBCD(i);
subq->trackIndex = HEXTOBCD(i);
LBAtoMSF(lsn - tracklsn, temptime);
subq->trackM = HEXTOBCD(temptime[0]);
subq->trackS = HEXTOBCD(temptime[1]);
subq->trackF = HEXTOBCD(temptime[2]);
subq->pad = 0;
// lba_to_msf(lsn + (2*75), &min, &sec, &frm);
LBAtoMSF(lsn, temptime);
subq->discM = HEXTOBCD(temptime[0]);
subq->discS = HEXTOBCD(temptime[1]);
subq->discF = HEXTOBCD(temptime[2]);
return(0);
} // END CDVDreadSubQ()
s32 CDreadTrack(u32 lsn, int mode, u8 *buffer)
{
s32 s32result;
#ifdef VERBOSE_FUNCTION
PrintLog("CDVD driver: CDreadTrack(%i)", lsn);
#endif /* VERBOSE_FUNCTION */
s32result = 0;
if (buffer == NULL) return(-1);
// The CD way of figuring out where to read.
LBAtoMSF(lsn, buffer);
switch (mode)
{
case CDVD_MODE_2048:
case CDVD_MODE_2328:
case CDVD_MODE_2340:
case CDVD_MODE_2352:
errno = 4; // Interrupted system call... (simulated the first time)
while (errno == 4)
{
errno = 0;
s32result = ioctl(devicehandle, CDROMREADRAW, buffer);
} // ENDWHILE- Continually being interrupted by the system...
break;
case CDVD_MODE_2368: // Unimplemented... as yet.
default:
#ifdef VERBOSE_WARNINGS
PrintLog("CDVD driver: Unknown Mode %i", mode);
#endif /* VERBOSE_WARNINGS */
return(-1); // Illegal Read Mode? Abort
break;
} // ENDSWITCH- Which read mode should we choose?
if ((s32result == -1) || (errno != 0))
{
#ifdef VERBOSE_WARNINGS
PrintLog("CDVD driver: Error reading CD: %i:%s", errno, strerror(errno));
#endif /* VERBOSE_WARNINGS */
InitCDSectorInfo();
return(-1);
} // ENDIF- Trouble getting a track count?
cdmode = mode; // Save mode for buffer positioning later.
return(0); // Call accomplished
} // END CDreadTrack()
extern void IsoInitTOC(struct IsoFile *isofile)
{
int i;
off64_t sectorsize;
if (isofile == NULL) return;
#ifdef VERBOSE_FUNCTION_TOC
PrintLog("CDVDiso TOC: IsoInitTOC()");
#endif /* VERBOSE_FUNCTION_TOC */
if (isofile->multi > 0)
{
sectorsize = isofile->multisectorend[isofile->multiend];
}
else
{
sectorsize = isofile->filesectorsize;
} // ENDIF- Establish largest sector from multifile? (or single file?)
for (i = 0; i < 2048; i++) isofile->toc[i] = 0;
switch (isofile->cdvdtype)
{
case CDVD_TYPE_DVDV:
case CDVD_TYPE_PS2DVD:
if ((isofile->filesectorsize > (2048*1024)) ||
(isofile->multi > 0))
{
isofile->toc[0] = 0x24; // Dual-Sided DVD (?)
isofile->toc[4] = 0x41;
isofile->toc[5] = 0x95;
}
else
{
isofile->toc[0] = 0x04; // Single-Sided DVD (?)
isofile->toc[4] = 0x86;
isofile->toc[5] = 0x72;
} // ENDIF- Too many sectors for a single-layered disc?
isofile->toc[1] = 0x02;
isofile->toc[2] = 0xF2;
isofile->toc[3] = 0x00;
isofile->toc[16] = 0x00;
isofile->toc[17] = 0x03;
isofile->toc[18] = 0x00;
isofile->toc[19] = 0x00;
return; // DVD's don't have tracks. Might track multisession later...
break;
case CDVD_TYPE_PS2CD:
case CDVD_TYPE_PSCD:
isofile->toc[0] = 0x41;
break;
case CDVD_TYPE_CDDA:
isofile->toc[0] = 0x01;
break;
default:
break;
} // ENDSWITCH isofile->cdvdtype - Which TOC for which type?
// CD Details here... (tracks and stuff)
isofile->toc[2] = 0xA0;
isofile->toc[7] = 0x01; // Starting Track No.
isofile->toc[12] = 0xA1;
isofile->toc[17] = 0x01; // Ending Track No.
isofile->toc[22] = 0xA2;
LBAtoMSF(sectorsize, &isofile->toc[27]);
isofile->toc[27] = HEXTOBCD(isofile->toc[27]);
isofile->toc[28] = HEXTOBCD(isofile->toc[28]);
isofile->toc[29] = HEXTOBCD(isofile->toc[29]);
isofile->toc[40] = 0x02; // YellowBook? Data Mode?
isofile->toc[42] = 0x01; // Track No.
LBAtoMSF(0, &isofile->toc[47]);
isofile->toc[47] = HEXTOBCD(isofile->toc[47]);
isofile->toc[48] = HEXTOBCD(isofile->toc[48]);
isofile->toc[49] = HEXTOBCD(isofile->toc[49]);
} // END IsoInitTOC()
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()