diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/cdrom/macos/SDL_syscdrom.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/cdrom/macos/SDL_syscdrom.c | 525 |
1 files changed, 0 insertions, 525 deletions
diff --git a/distrib/sdl-1.2.12/src/cdrom/macos/SDL_syscdrom.c b/distrib/sdl-1.2.12/src/cdrom/macos/SDL_syscdrom.c deleted file mode 100644 index bbe69e9..0000000 --- a/distrib/sdl-1.2.12/src/cdrom/macos/SDL_syscdrom.c +++ /dev/null @@ -1,525 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#ifdef SDL_CDROM_MACOS - -/* MacOS functions for system-level CD-ROM audio control */ - -#include <Devices.h> -#include <Files.h> -#include <LowMem.h> /* Use entry table macros, not functions in InterfaceLib */ - -#include "SDL_cdrom.h" -#include "../SDL_syscdrom.h" -#include "SDL_syscdrom_c.h" - -/* Added by Matt Slot */ -#if !defined(LMGetUnitTableEntryCount) - #define LMGetUnitTableEntryCount() *(short *)0x01D2 -#endif - -/* The maximum number of CD-ROM drives we'll detect */ -#define MAX_DRIVES 26 - -/* A list of available CD-ROM drives */ -static long SDL_cdversion = 0; -static struct { - short dRefNum; - short driveNum; - long frames; - char name[256]; - Boolean hasAudio; - } SDL_cdlist[MAX_DRIVES]; -static StringPtr gDriverName = "\p.AppleCD"; - -/* The system-dependent CD control functions */ -static const char *SDL_SYS_CDName(int drive); -static int SDL_SYS_CDOpen(int drive); -static int SDL_SYS_CDGetTOC(SDL_CD *cdrom); -static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position); -static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length); -static int SDL_SYS_CDPause(SDL_CD *cdrom); -static int SDL_SYS_CDResume(SDL_CD *cdrom); -static int SDL_SYS_CDStop(SDL_CD *cdrom); -static int SDL_SYS_CDEject(SDL_CD *cdrom); -static void SDL_SYS_CDClose(SDL_CD *cdrom); - -static short SDL_SYS_ShortToBCD(short value) -{ - return((value % 10) + (value / 10) * 0x10); /* Convert value to BCD */ -} - -static short SDL_SYS_BCDToShort(short value) -{ - return((value % 0x10) + (value / 0x10) * 10); /* Convert value from BCD */ -} - -int SDL_SYS_CDInit(void) -{ - SInt16 dRefNum = 0; - SInt16 first, last; - - SDL_numcds = 0; - - /* Check that the software is available */ - if (Gestalt(kGestaltAudioCDSelector, &SDL_cdversion) || - !SDL_cdversion) return(0); - - /* Fill in our driver capabilities */ - SDL_CDcaps.Name = SDL_SYS_CDName; - SDL_CDcaps.Open = SDL_SYS_CDOpen; - SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC; - SDL_CDcaps.Status = SDL_SYS_CDStatus; - SDL_CDcaps.Play = SDL_SYS_CDPlay; - SDL_CDcaps.Pause = SDL_SYS_CDPause; - SDL_CDcaps.Resume = SDL_SYS_CDResume; - SDL_CDcaps.Stop = SDL_SYS_CDStop; - SDL_CDcaps.Eject = SDL_SYS_CDEject; - SDL_CDcaps.Close = SDL_SYS_CDClose; - - /* Walk the list, count each AudioCD driver, and save the refnums */ - first = -1; - last = 0 - LMGetUnitTableEntryCount(); - for(dRefNum = first; dRefNum >= last; dRefNum--) { - Str255 driverName; - StringPtr namePtr; - DCtlHandle deviceEntry; - - deviceEntry = GetDCtlEntry(dRefNum); - if (! deviceEntry) continue; - - /* Is this an .AppleCD ? */ - namePtr = (*deviceEntry)->dCtlFlags & (1L << dRAMBased) ? - ((StringPtr) ((DCtlPtr) deviceEntry)->dCtlDriver + 18) : - ((StringPtr) (*deviceEntry)->dCtlDriver + 18); - BlockMoveData(namePtr, driverName, namePtr[0]+1); - if (driverName[0] > gDriverName[0]) driverName[0] = gDriverName[0]; - if (! EqualString(driverName, gDriverName, false, false)) continue; - - /* Record the basic info for each drive */ - SDL_cdlist[SDL_numcds].dRefNum = dRefNum; - BlockMoveData(namePtr + 1, SDL_cdlist[SDL_numcds].name, namePtr[0]); - SDL_cdlist[SDL_numcds].name[namePtr[0]] = 0; - SDL_cdlist[SDL_numcds].hasAudio = false; - SDL_numcds++; - } - return(0); -} - -static const char *SDL_SYS_CDName(int drive) -{ - return(SDL_cdlist[drive].name); -} - -static int get_drivenum(int drive) -{ - QHdr *driveQ = GetDrvQHdr(); - DrvQEl *driveElem; - - /* Update the drive number */ - SDL_cdlist[drive].driveNum = 0; - if ( driveQ->qTail ) { - driveQ->qTail->qLink = 0; - } - for ( driveElem=(DrvQEl *)driveQ->qHead; driveElem; - driveElem = (DrvQEl *)driveElem->qLink ) { - if ( driveElem->dQRefNum == SDL_cdlist[drive].dRefNum ) { - SDL_cdlist[drive].driveNum = driveElem->dQDrive; - break; - } - } - return(SDL_cdlist[drive].driveNum); -} - -static int SDL_SYS_CDOpen(int drive) -{ - return(drive); -} - -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); -} - -/* Start play */ -static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) -{ - CDCntrlParam cdpb; - - /* Pause the current audio playback to avoid audible artifacts */ - if ( SDL_SYS_CDPause(cdrom) < 0 ) { - return(-1); - } - - /* Specify the AudioCD playback mode */ - SDL_memset(&cdpb, 0, sizeof(cdpb)); - cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; - cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; - cdpb.csCode = kSetPlayMode; - cdpb.csParam.bytes[0] = false; /* Repeat? */ - cdpb.csParam.bytes[1] = kPlayModeSequential; /* Play mode */ - /* ¥¥¥ÊTreat as soft error, NEC Drive doesnt support this call ¥¥¥ */ - PBControlSync((ParmBlkPtr) &cdpb); - -#if 1 - /* Specify the end of audio playback */ - SDL_memset(&cdpb, 0, sizeof(cdpb)); - cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; - cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; - cdpb.csCode = kAudioStop; - cdpb.csParam.words[0] = kBlockPosition; /* Position Mode */ - *(long *) (cdpb.csParam.words + 1) = start+length-1; /* Search Address */ - if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { - SDL_SetError("PBControlSync() failed"); - return(-1); - } - - /* Specify the start of audio playback, and start it */ - SDL_memset(&cdpb, 0, sizeof(cdpb)); - cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; - cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; - cdpb.csCode = kAudioPlay; - cdpb.csParam.words[0] = kBlockPosition; /* Position Mode */ - *(long *) (cdpb.csParam.words + 1) = start+1; /* Search Address */ - cdpb.csParam.words[3] = false; /* Stop address? */ - cdpb.csParam.words[4] = kStereoPlayMode; /* Audio Play Mode */ - if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { - SDL_SetError("PBControlSync() failed"); - return(-1); - } -#else - /* Specify the end of audio playback */ - FRAMES_TO_MSF(start+length, &m, &s, &f); - SDL_memset(&cdpb, 0, sizeof(cdpb)); - cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; - cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; - cdpb.csCode = kAudioStop; - cdpb.csParam.words[0] = kTrackPosition; /* Position Mode */ - cdpb.csParam.words[1] = 0; /* Search Address (hiword)*/ - cdpb.csParam.words[2] = /* Search Address (loword)*/ - SDL_SYS_ShortToBCD(cdrom->numtracks); - if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { - SDL_SetError("PBControlSync() failed"); - return(-1); - } - - /* Specify the start of audio playback, and start it */ - FRAMES_TO_MSF(start, &m, &s, &f); - SDL_memset(&cdpb, 0, sizeof(cdpb)); - cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; - cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; - cdpb.csCode = kAudioPlay; - cdpb.csParam.words[0] = kTrackPosition; /* Position Mode */ - cdpb.csParam.words[1] = 0; /* Search Address (hiword)*/ - cdpb.csParam.words[2] = SDL_SYS_ShortToBCD(1); /* Search Address (loword)*/ - cdpb.csParam.words[3] = false; /* Stop address? */ - cdpb.csParam.words[4] = kStereoPlayMode; /* Audio Play Mode */ - if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { - SDL_SetError("PBControlSync() failed"); - return(-1); - } -#endif - - return(0); -} - -/* Pause play */ -static int SDL_SYS_CDPause(SDL_CD *cdrom) -{ - CDCntrlParam cdpb; - - SDL_memset(&cdpb, 0, sizeof(cdpb)); - cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; - cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; - cdpb.csCode = kAudioPause; - cdpb.csParam.words[0] = 0; /* Pause/Continue Flag (hiword) */ - cdpb.csParam.words[1] = 1; /* Pause/Continue Flag (loword) */ - if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { - SDL_SetError("PBControlSync() failed"); - return(-1); - } - return(0); -} - -/* Resume play */ -static int SDL_SYS_CDResume(SDL_CD *cdrom) -{ - CDCntrlParam cdpb; - - SDL_memset(&cdpb, 0, sizeof(cdpb)); - cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; - cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; - cdpb.csCode = kAudioPause; - cdpb.csParam.words[0] = 0; /* Pause/Continue Flag (hiword) */ - cdpb.csParam.words[1] = 0; /* Pause/Continue Flag (loword) */ - if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { - SDL_SetError("PBControlSync() failed"); - return(-1); - } - return(0); -} - -/* Stop play */ -static int SDL_SYS_CDStop(SDL_CD *cdrom) -{ - CDCntrlParam cdpb; - - SDL_memset(&cdpb, 0, sizeof(cdpb)); - cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; - cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; - cdpb.csCode = kAudioStop; - cdpb.csParam.words[0] = 0; /* Position Mode */ - cdpb.csParam.words[1] = 0; /* Search Address (hiword) */ - cdpb.csParam.words[2] = 0; /* Search Address (loword) */ - if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { - SDL_SetError("PBControlSync() failed"); - return(-1); - } - return(0); -} - -/* Eject the CD-ROM */ -static int SDL_SYS_CDEject(SDL_CD *cdrom) -{ - Boolean disk = false; - QHdr *driveQ = GetDrvQHdr(); - DrvQEl *driveElem; - HParamBlockRec hpb; - ParamBlockRec cpb; - - for ( driveElem = (DrvQEl *) driveQ->qHead; driveElem; driveElem = - (driveElem) ? ((DrvQEl *) driveElem->qLink) : - ((DrvQEl *) driveQ->qHead) ) { - if ( driveQ->qTail ) { - driveQ->qTail->qLink = 0; - } - if ( driveElem->dQRefNum != SDL_cdlist[cdrom->id].dRefNum ) { - continue; - } - - /* Does drive contain mounted volume? If not, skip */ - SDL_memset(&hpb, 0, sizeof(hpb)); - hpb.volumeParam.ioVRefNum = driveElem->dQDrive; - if ( PBHGetVInfoSync(&hpb) != noErr ) { - continue; - } - if ( (UnmountVol(0, driveElem->dQDrive) == noErr) && - (Eject(0, driveElem->dQDrive) == noErr) ) { - driveElem = 0; /* Clear pointer to reset our loop */ - disk = true; - } - } - - /* If no disk is present, just eject the tray */ - if (! disk) { - SDL_memset(&cpb, 0, sizeof(cpb)); - cpb.cntrlParam.ioVRefNum = 0; /* No Drive */ - cpb.cntrlParam.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; - cpb.cntrlParam.csCode = kEjectTheDisc; - if ( PBControlSync((ParmBlkPtr)&cpb) != noErr ) { - SDL_SetError("PBControlSync() failed"); - return(-1); - } - } - return(0); -} - -/* Close the CD-ROM handle */ -static void SDL_SYS_CDClose(SDL_CD *cdrom) -{ - return; -} - -void SDL_SYS_CDQuit(void) -{ - while(SDL_numcds--) - SDL_memset(SDL_cdlist + SDL_numcds, 0, sizeof(SDL_cdlist[0])); -} - -#endif /* SDL_CDROM_MACOS */ |