static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) { CDCntrlParam cdpb; CDTrackData tracks[SDL_MAX_TRACKS]; long i, leadout; /* Get the number of tracks on the CD by examining the TOC */ 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; /* Apparently these are set elsewhere */ cdrom->cur_frame = 0; /* Apparently these are set elsewhere */ /* Get the lead out area of the CD by examining the TOC */ 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])); /* Get an array of track locations by examining the TOC */ 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; /* Type of Query */ * ((long *) (cdpb.csParam.words+1)) = (long) tracks; cdpb.csParam.words[3] = cdrom->numtracks * sizeof(tracks[0]); * ((char *) (cdpb.csParam.words+4)) = 1; /* First track */ if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { SDL_SetError("PBControlSync() failed"); return(-1); } /* Read all the track TOC entries */ 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; } /* Apparently SDL wants a fake last entry */ cdrom->track[i].offset = leadout; cdrom->track[i].length = 0; return(0); }
/* Get CD-ROM status */ static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position) { CDCntrlParam cdpb; CDstatus status = CD_ERROR; Boolean spinning = false; if (position) *position = 0; /* Get the number of tracks on the CD by examining the TOC */ 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; /* Apparently these are set elsewhere */ cdrom->cur_frame = 0; /* Apparently these are set elsewhere */ if (1 || SDL_cdlist[cdrom->id].hasAudio) { /* Get the current playback status */ 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; /* What should I do here? */ 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; /* What should I do here? */ return(status); }
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); }