/* Get CD-ROM status */
static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
{
CDstatus status;
MCI_STATUS_PARMS mci_status;
DWORD flags;
flags = MCI_STATUS_ITEM | MCI_WAIT;
mci_status.dwItem = MCI_STATUS_MODE;
if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) < 0 ) {
status = CD_ERROR;
} else {
switch (mci_status.dwReturn) {
case MCI_MODE_NOT_READY:
case MCI_MODE_OPEN:
status = CD_TRAYEMPTY;
break;
case MCI_MODE_STOP:
#ifdef BROKEN_MCI_PAUSE
if ( SDL_paused[cdrom->id] ) {
status = CD_PAUSED;
} else {
status = CD_STOPPED;
}
#else
status = CD_STOPPED;
#endif /* BROKEN_MCI_PAUSE */
break;
case MCI_MODE_PLAY:
#ifdef BROKEN_MCI_PAUSE
if ( SDL_paused[cdrom->id] ) {
status = CD_PAUSED;
} else {
status = CD_PLAYING;
}
#else
status = CD_PLAYING;
#endif /* BROKEN_MCI_PAUSE */
break;
case MCI_MODE_PAUSE:
status = CD_PAUSED;
break;
default:
status = CD_ERROR;
break;
}
}
if ( position ) {
if ( status == CD_PLAYING || (status == CD_PAUSED) ) {
mci_status.dwItem = MCI_STATUS_POSITION;
if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags,
&mci_status) == 0 ) {
*position = MSF_TO_FRAMES(
MCI_MSF_MINUTE(mci_status.dwReturn),
MCI_MSF_SECOND(mci_status.dwReturn),
MCI_MSF_FRAME(mci_status.dwReturn));
} else {
*position = 0;
}
} else {
*position = 0;
}
}
return(status);
}
static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
{
CDCntrlParam cdpb;
CDstatus status = CD_ERROR;
Boolean spinning = false;
if (position) *position = 0;
if ( ! get_drivenum(cdrom->id) ) {
return(CD_TRAYEMPTY);
}
SDL_memset(&cdpb, 0, sizeof(cdpb));
cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
cdpb.csCode = kReadTOC;
cdpb.csParam.words[0] = kGetTrackRange;
if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
SDL_SetError("PBControlSync() failed");
return(CD_ERROR);
}
cdrom->numtracks =
SDL_SYS_BCDToShort(cdpb.csParam.bytes[1]) -
SDL_SYS_BCDToShort(cdpb.csParam.bytes[0]) + 1;
if ( cdrom->numtracks > SDL_MAX_TRACKS )
cdrom->numtracks = SDL_MAX_TRACKS;
cdrom->cur_track = 0;
cdrom->cur_frame = 0;
if (1 || SDL_cdlist[cdrom->id].hasAudio) {
SDL_memset(&cdpb, 0, sizeof(cdpb));
cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
cdpb.csCode = kAudioStatus;
if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
SDL_SetError("PBControlSync() failed");
return(-1);
}
switch(cdpb.csParam.cd.status) {
case kStatusPlaying:
status = CD_PLAYING;
spinning = true;
break;
case kStatusPaused:
status = CD_PAUSED;
spinning = true;
break;
case kStatusMuted:
status = CD_PLAYING;
spinning = true;
break;
case kStatusDone:
status = CD_STOPPED;
spinning = true;
break;
case kStatusStopped:
status = CD_STOPPED;
spinning = false;
break;
case kStatusError:
default:
status = CD_ERROR;
spinning = false;
break;
}
if (spinning && position) *position = MSF_TO_FRAMES(
SDL_SYS_BCDToShort(cdpb.csParam.cd.minute),
SDL_SYS_BCDToShort(cdpb.csParam.cd.second),
SDL_SYS_BCDToShort(cdpb.csParam.cd.frame));
}
else
status = CD_ERROR;
return(status);
}
static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
{
MCI_STATUS_PARMS mci_status;
int i, okay;
DWORD flags;
okay = 0;
mci_status.dwItem = MCI_STATUS_NUMBER_OF_TRACKS;
flags = MCI_STATUS_ITEM | MCI_WAIT;
if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) == 0 ) {
cdrom->numtracks = mci_status.dwReturn;
if ( cdrom->numtracks > SDL_MAX_TRACKS ) {
cdrom->numtracks = SDL_MAX_TRACKS;
}
/* Read all the track TOC entries */
flags = MCI_STATUS_ITEM | MCI_TRACK | MCI_WAIT;
for ( i=0; i<cdrom->numtracks; ++i ) {
cdrom->track[i].id = i+1;
mci_status.dwTrack = cdrom->track[i].id;
#ifdef MCI_CDA_STATUS_TYPE_TRACK
mci_status.dwItem = MCI_CDA_STATUS_TYPE_TRACK;
if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags,
&mci_status) < 0 ) {
break;
}
if ( mci_status.dwReturn == MCI_CDA_TRACK_AUDIO ) {
cdrom->track[i].type = SDL_AUDIO_TRACK;
} else {
cdrom->track[i].type = SDL_DATA_TRACK;
}
#else
cdrom->track[i].type = SDL_AUDIO_TRACK;
#endif
mci_status.dwItem = MCI_STATUS_POSITION;
if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags,
&mci_status) < 0 ) {
break;
}
cdrom->track[i].offset = MSF_TO_FRAMES(
MCI_MSF_MINUTE(mci_status.dwReturn),
MCI_MSF_SECOND(mci_status.dwReturn),
MCI_MSF_FRAME(mci_status.dwReturn));
cdrom->track[i].length = 0;
if ( i > 0 ) {
cdrom->track[i-1].length =
cdrom->track[i].offset-
cdrom->track[i-1].offset;
}
}
if ( i == cdrom->numtracks ) {
mci_status.dwTrack = cdrom->track[i - 1].id;
mci_status.dwItem = MCI_STATUS_LENGTH;
if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags,
&mci_status) == 0 ) {
cdrom->track[i - 1].length = MSF_TO_FRAMES(
MCI_MSF_MINUTE(mci_status.dwReturn),
MCI_MSF_SECOND(mci_status.dwReturn),
MCI_MSF_FRAME(mci_status.dwReturn));
/* compute lead-out offset */
cdrom->track[i].offset = cdrom->track[i - 1].offset +
cdrom->track[i - 1].length;
cdrom->track[i].length = 0;
okay = 1;
}
}
}
return(okay ? 0 : -1);
}
static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
{
CDCntrlParam cdpb;
CDTrackData tracks[SDL_MAX_TRACKS];
long i, leadout;
SDL_memset(&cdpb, 0, sizeof(cdpb));
cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
cdpb.csCode = kReadTOC;
cdpb.csParam.words[0] = kGetTrackRange;
if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
SDL_SetError("PBControlSync() failed");
return(-1);
}
cdrom->numtracks =
SDL_SYS_BCDToShort(cdpb.csParam.bytes[1]) -
SDL_SYS_BCDToShort(cdpb.csParam.bytes[0]) + 1;
if ( cdrom->numtracks > SDL_MAX_TRACKS )
cdrom->numtracks = SDL_MAX_TRACKS;
cdrom->status = CD_STOPPED;
cdrom->cur_track = 0;
cdrom->cur_frame = 0;
SDL_memset(&cdpb, 0, sizeof(cdpb));
cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
cdpb.csCode = kReadTOC;
cdpb.csParam.words[0] = kGetLeadOutArea;
if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
SDL_SetError("PBControlSync() failed");
return(-1);
}
leadout = MSF_TO_FRAMES(
SDL_SYS_BCDToShort(cdpb.csParam.bytes[0]),
SDL_SYS_BCDToShort(cdpb.csParam.bytes[1]),
SDL_SYS_BCDToShort(cdpb.csParam.bytes[2]));
SDL_memset(tracks, 0, sizeof(tracks));
SDL_memset(&cdpb, 0, sizeof(cdpb));
cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
cdpb.csCode = kReadTOC;
cdpb.csParam.words[0] = kGetTrackEntries;
* ((long *) (cdpb.csParam.words+1)) = (long) tracks;
cdpb.csParam.words[3] = cdrom->numtracks * sizeof(tracks[0]);
* ((char *) (cdpb.csParam.words+4)) = 1;
if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
SDL_SetError("PBControlSync() failed");
return(-1);
}
SDL_cdlist[cdrom->id].hasAudio = false;
for ( i=0; i<cdrom->numtracks; ++i )
{
cdrom->track[i].id = i+1;
if (tracks[i].entry.control & kDataTrackMask)
cdrom->track[i].type = SDL_DATA_TRACK;
else
{
cdrom->track[i].type = SDL_AUDIO_TRACK;
SDL_cdlist[SDL_numcds].hasAudio = true;
}
cdrom->track[i].offset = MSF_TO_FRAMES(
SDL_SYS_BCDToShort(tracks[i].entry.min),
SDL_SYS_BCDToShort(tracks[i].entry.min),
SDL_SYS_BCDToShort(tracks[i].entry.frame));
cdrom->track[i].length = MSF_TO_FRAMES(
SDL_SYS_BCDToShort(tracks[i+1].entry.min),
SDL_SYS_BCDToShort(tracks[i+1].entry.min),
SDL_SYS_BCDToShort(tracks[i+1].entry.frame)) -
cdrom->track[i].offset;
}
cdrom->track[i].offset = leadout;
cdrom->track[i].length = 0;
return(0);
}
