2 * $Logfile: /Freespace2/code/Sound/RBAudio.cpp $
7 * source file for redbook audio playback
10 * Revision 1.1 2002/05/03 03:28:10 root
14 * 2 10/07/98 10:54a Dave
17 * 1 10/07/98 10:51a Dave
19 * 6 6/13/98 1:45p Sandeep
21 * 5 5/15/98 4:12p Allender
22 * removed redbook code. Put back in ingame join timer. Major fixups for
23 * stats in multiplayer. Pass correct score, medals, etc when leaving
24 * game. Be sure clients display medals, badges, etc.
26 * 4 1/19/98 11:37p Lawrance
27 * Fixing Optimization build warnings
29 * 3 9/09/97 3:39p Sandeep
30 * warning level 4 bugs
32 * 2 4/28/97 5:13p John
33 * more moving sound/movie code out of osapi.
35 * 1 4/28/97 4:45p John
36 * Initial version of ripping sound & movie out of OsAPI.
38 * 3 2/03/97 2:05p Allender
39 * don't stop playing redbook when exiting
41 * 2 1/30/97 9:57a Allender
42 * basic Redbook audio implemented.
44 * 1 1/28/97 9:54a Allender
67 #define HSG_CD_PLAYBACK 0
68 #define MSF_CD_PLAYBACK 1
73 typedef struct CDTrack {
78 int RBCDROM_State = 0; // CD is not used = 0
80 // CD is already used = -1
82 static CDTrack CDTrackInfo[255];
83 static UINT CDDiscID = 0;
85 static int RedBookEnabled=0, RedBookInstalled = 0;
86 static UINT CDDeviceID = 0;
87 static DWORD CDNumTracks = 0;
88 static fix Playback_Start_Time = 0;
89 static fix Playback_Pause_Time = 0;
90 static fix Playback_Length = 0;
91 static int Playback_first_track,Playback_last_track;
92 static int AUXDevice = -1;
93 static char MCIErrorMsg[256];
95 // Function Prototypes
97 unsigned long lsn_to_msf(unsigned long lsn);
98 unsigned long msf_to_lsn(unsigned long msf);
99 unsigned long msf_add(unsigned long msf1, unsigned long msf2);
100 unsigned long msf_sub(unsigned long msf1, unsigned long msf2);
102 UINT MakeCDDiscID(int tracks, unsigned long msflen, unsigned long msftrack1);
110 if (RedBookInstalled) {
111 //RBAStop(); // removed by MWA 2/3 -- will probably be handled by higher level code
112 mciSendCommand(CDDeviceID, MCI_CLOSE, 0, NULL);
114 RedBookInstalled = 0;
121 MCI_OPEN_PARMS mciOpenParms;
122 MCI_SET_PARMS mciSetParms;
127 // removed by MWA since we can't seem to get this to work under NT...needs a little work I guess
131 num_devs = auxGetNumDevs();
133 // Find CD-AUDIO device if there is one.
134 for (i = 0; i < num_devs; i++)
137 auxGetDevCaps(i, &caps, sizeof(caps));
138 if (caps.wTechnology == AUXCAPS_CDAUDIO) {
140 mprintf(("CD operating on AUX %d.\n", AUXDevice));
145 if (AUXDevice == -1) {
146 mprintf(("Unable to find CD-AUDIO device. No Redbook music.\n"));
152 // We need to identify that a cd audio driver exists
153 mciOpenParms.lpstrDeviceType = NOX("cdaudio");
155 retval = mciSendCommand(NULL, MCI_OPEN, MCI_OPEN_TYPE | MCI_OPEN_SHAREABLE, (DWORD)(LPVOID)&mciOpenParms);
157 if (retval == MCIERR_MUST_USE_SHAREABLE) RBCDROM_State = -1;
158 else RBCDROM_State = 0;
159 mciGetErrorString(retval, MCIErrorMsg, 256);
160 mprintf(("RBA (%x) MCI:%s.\n", retval, MCIErrorMsg));
164 // Now we need to set the time format to MSF for Redbook Compatablity.
165 RedBookInstalled = 1;
167 CDDeviceID = mciOpenParms.wDeviceID;
169 // mwa ?? logentry("Initializing Redbook device %d.\n", CDDeviceID);
171 mciSetParms.dwTimeFormat = MCI_FORMAT_MSF;
172 retval = mciSendCommand(CDDeviceID, MCI_SET, MCI_SET_TIME_FORMAT, (DWORD)(LPVOID)&mciSetParms);
174 mciSendCommand(CDDeviceID, MCI_CLOSE, 0, NULL);
175 mprintf(("Error %d. Unable to set Redbook Format.\n", retval));
178 else RedBookEnabled = 1;
183 void RBARegisterCD(void)
185 DWORD i, numtracks, retval = 0;
186 MCI_STATUS_PARMS mciStatusParms;
188 // Insure that CD is Redbook, then get track information
189 mciStatusParms.dwItem = MCI_STATUS_NUMBER_OF_TRACKS;
190 retval = mciSendCommand(CDDeviceID, MCI_STATUS, MCI_STATUS_ITEM,
191 (DWORD)(LPVOID)&mciStatusParms);
193 mciGetErrorString(retval, MCIErrorMsg, 256);
194 mprintf(("RBA MCI:%s.\n", MCIErrorMsg));
199 CDNumTracks = numtracks = mciStatusParms.dwReturn;
201 for (i = 0; i < numtracks; i++)
203 mciStatusParms.dwTrack = i+1;
204 mciStatusParms.dwItem = MCI_STATUS_POSITION;
205 retval = mciSendCommand(CDDeviceID, MCI_STATUS, MCI_STATUS_ITEM | MCI_TRACK, (DWORD)(LPVOID)&mciStatusParms);
207 mprintf(("Could not retrieve information on track %d.\n", i+1));
209 CDTrackInfo[i].msf = mciStatusParms.dwReturn;
211 mciStatusParms.dwTrack = i+1;
212 mciStatusParms.dwItem = MCI_STATUS_LENGTH;
213 retval = mciSendCommand(CDDeviceID, MCI_STATUS, MCI_STATUS_ITEM | MCI_TRACK, (DWORD)(LPVOID)&mciStatusParms);
215 mprintf(("Couldn't get length of track %d.\n", i+1));
217 CDTrackInfo[i].length = mciStatusParms.dwReturn;
219 // logentry("[%d] (%d:%d):(%d:%d)\n", i+1, MCI_MSF_MINUTE(CDTrackInfo[i].msf), MCI_MSF_SECOND(CDTrackInfo[i].msf), MCI_MSF_MINUTE(CDTrackInfo[i].length), MCI_MSF_SECOND(CDTrackInfo[i].length));
222 CDDiscID = GetCDDiscID();
226 long RBAGetDeviceStatus()
232 int get_track_time(int first,int last)
234 unsigned long playlen;
237 playlen = msf_sub(msf_add(CDTrackInfo[last-1].msf,CDTrackInfo[last-1].length), CDTrackInfo[first-1].msf);
239 min = MCI_MSF_MINUTE(playlen);
240 sec = MCI_MSF_SECOND(playlen);
246 int RBAPlayTrack(int track)
248 MCI_PLAY_PARMS mciPlayParms;
252 // Register CD if media has changed
253 if (!RedBookEnabled) return 0;
254 if (RBACheckMediaChange()) {
255 mprintf(("Unable to play track due to CD change.\n"));
260 min = min + MCI_MSF_MINUTE(CDTrackInfo[track-1].msf) + MCI_MSF_MINUTE(CDTrackInfo[track-1].length);
261 mciPlayParms.dwFrom = CDTrackInfo[track-1].msf; // MCI_MAKE_TMSF(track, 0, 0, 0);
262 mciPlayParms.dwTo = msf_add(CDTrackInfo[track-1].msf, CDTrackInfo[track-1].length);
263 retval = mciSendCommand(CDDeviceID, MCI_PLAY, MCI_FROM | MCI_TO, (DWORD)(LPVOID)&mciPlayParms);
266 mciGetErrorString(retval, MCIErrorMsg, 256);
267 mprintf(("RBA MCI:%s.\n", MCIErrorMsg));
268 mprintf(("Unable to play CD track %d.\n", track));
272 Playback_Length = i2f(get_track_time(track,track));
273 Playback_Start_Time = timer_get_fixed_seconds();
275 Playback_first_track = Playback_last_track = track;
277 mprintf( ("Playing Track %d (len: %d secs)\n", track, f2i(Playback_Length)) );
284 int RBAPlayTracks(int start, int end)
286 MCI_PLAY_PARMS mciPlayParms;
289 Playback_Start_Time = 0;
292 // Register CD if media has changed
293 if (!RedBookEnabled) return 0;
294 if (RBACheckMediaChange()) {
295 mprintf(("Unable to play track due to CD change.\n"));
300 mciPlayParms.dwFrom = CDTrackInfo[start-1].msf; // MCI_MAKE_TMSF(track, 0, 0, 0);
301 mciPlayParms.dwTo = msf_add(CDTrackInfo[end-1].msf, CDTrackInfo[end-1].length);
302 retval = mciSendCommand(CDDeviceID, MCI_PLAY, MCI_FROM | MCI_TO, (DWORD)(LPVOID)&mciPlayParms);
305 mciGetErrorString(retval, MCIErrorMsg, 256);
306 mprintf(("RBA MCI:%s.\n", MCIErrorMsg));
307 mprintf(("Unable to play CD tracks %d-%d.\n", start,end));
311 Playback_Length = i2f(get_track_time(start,end));
312 Playback_Start_Time = timer_get_fixed_seconds();
314 Playback_first_track = start;
315 Playback_last_track = end;
317 mprintf( ("Playing Tracks %d-%d (len: %d secs)\n", start,end,f2i(Playback_Length)) );
328 if (!RedBookEnabled) return;
330 retval = mciSendCommand(CDDeviceID, MCI_STOP,0,NULL);
332 mciGetErrorString(retval, MCIErrorMsg, 256);
333 mprintf(("RBA MCI:%s.\n", MCIErrorMsg));
334 mprintf(("CD Stop command failed.\n"));
339 void RBASetStereoAudio(RBACHANNELCTL *channels)
345 void RBASetQuadAudio(RBACHANNELCTL *channels)
351 void RBAGetAudioInfo(RBACHANNELCTL *channels)
357 static unsigned rba_paused_head_loc = 0;
362 MCI_GENERIC_PARMS mciGenParms;
366 if (!RedBookEnabled) return;
368 rba_paused_head_loc = RBAGetHeadLoc(&min, &sec, &frame);
370 // mwa ??? mciGenParms.dwCallback = GetLibraryWindow();
371 retval = mciSendCommand(CDDeviceID, MCI_PAUSE, MCI_NOTIFY,
372 (DWORD)(LPVOID)&mciGenParms);
374 mprintf(("ERROR: Unable to pause CD.\n"));
377 mprintf(("Pausing CD...\n"));
378 Playback_Pause_Time = timer_get_fixed_seconds();
387 MCI_PLAY_PARMS mciPlayParms;
389 if (!RedBookEnabled) return 0;
391 if (RBACheckMediaChange()) {
393 return RBA_MEDIA_CHANGED;
396 mciPlayParms.dwFrom = rba_paused_head_loc; // MCI_MAKE_TMSF(track, 0, 0, 0);
397 mciPlayParms.dwTo = msf_add(CDTrackInfo[Playback_last_track-1].msf,
398 CDTrackInfo[Playback_last_track-1].length);
399 retval = mciSendCommand(CDDeviceID, MCI_PLAY, MCI_FROM | MCI_TO, (DWORD)(LPVOID)&mciPlayParms);
402 mprintf(("ERROR: Resume CD play failed.\n"));
405 Playback_Start_Time += timer_get_fixed_seconds() - Playback_Pause_Time;
411 void RBASetChannelVolume(int channel, int volume)
415 if ( AUXDevice == -1 ) // added because we might not be able to do this under NT
418 volume = volume << 8;
421 vol = MAKELONG(0,volume);
422 else if (channel == 1)
423 vol = MAKELONG(volume,0);
425 auxSetVolume(AUXDevice, vol);
429 void RBASetVolume(int volume)
434 if ( AUXDevice == -1 ) // added because we might not be able to do this under NT
437 wvol = (unsigned short)((volume) << 8);
439 vol = MAKELONG(wvol, wvol);
440 auxSetVolume(AUXDevice, vol);
444 long RBAGetHeadLoc(int *min, int *sec, int *frame)
446 MCI_STATUS_PARMS mciStatusParms;
449 if (!RedBookEnabled) return 0;
451 if (RBACheckMediaChange())
452 return RBA_MEDIA_CHANGED;
454 mciStatusParms.dwItem = MCI_STATUS_POSITION;
455 retval = mciSendCommand(CDDeviceID, MCI_STATUS, MCI_STATUS_ITEM, (DWORD)(LPVOID)&mciStatusParms);
458 mprintf(("Couldn't get location of CD head.\n"));
461 *min = MCI_MSF_MINUTE(mciStatusParms.dwReturn);
462 *sec = MCI_MSF_SECOND(mciStatusParms.dwReturn);
463 *frame = MCI_MSF_FRAME(mciStatusParms.dwReturn);
465 return mciStatusParms.dwReturn;
472 int delta_time; //in seconds
474 if (!RBAPeekPlayStatus())
477 delta_time = f2i(timer_get_fixed_seconds()-Playback_Start_Time+f1_0/2);
479 for (track=Playback_first_track;track<=Playback_last_track && delta_time>0;track++) {
481 delta_time -= get_track_time(track,track);
487 Assert(track <= Playback_last_track);
493 int RBAPeekPlayStatus()
495 //@@ MCI_STATUS_PARMS mciStatusParms;
498 if (!RedBookEnabled) return 0;
501 if ((timer_get_fixed_seconds()-Playback_Start_Time) > Playback_Length) return 0;
505 //@@ mciStatusParms.dwItem = MCI_STATUS_MODE;
506 //@@ retval = mciSendCommand(CDDeviceID, MCI_STATUS, MCI_STATUS_ITEM, (DWORD)(LPVOID)&mciStatusParms);
508 //@@ mprintf((0, "Unable to obtain current status of CD.\n"));
511 //@@ if (mciStatusParms.dwReturn == MCI_MODE_PLAY) return 1;
519 if (RedBookEnabled < 1) return 0;
527 mprintf(("Enabling Redbook...\n"));
534 mprintf(("Disabling Redbook...\n"));
538 int RBAGetNumberOfTracks(void)
540 MCI_STATUS_PARMS mciStatusParms;
543 if (!RedBookEnabled) return 0;
545 if (RBACheckMediaChange())
548 mciStatusParms.dwItem = MCI_STATUS_NUMBER_OF_TRACKS;
549 retval = mciSendCommand(CDDeviceID, MCI_STATUS, MCI_STATUS_ITEM,
550 (DWORD)(LPVOID)&mciStatusParms);
553 mprintf(("Get number of CD tracks failed.\n"));
557 return mciStatusParms.dwReturn;
561 // RB functions: Internal to RBA library -----------------------------
563 int RBACheckMediaChange()
565 if (!RedBookEnabled) return 0;
567 if (CDDiscID != GetCDDiscID() || !CDDiscID) return 1;
572 // Converts Logical Sector Number to Minutes Seconds Frame Format
574 unsigned long lsn_to_msf(unsigned long lsn)
576 unsigned long min,sec,frame;
585 return((min << 16) + (sec << 8) + (frame << 0));
588 // convert minutes seconds frame format to a logical sector number.
590 unsigned long msf_to_lsn(unsigned long msf)
592 unsigned long min,sec,frame;
594 min = (msf >> 16) & 0xFF;
595 sec = (msf >> 8) & 0xFF;
596 frame = (msf >> 0) & 0xFF;
598 return( (min * 60*75) + (sec * 75) + frame - 150 );
601 unsigned long msf_add(unsigned long msf1, unsigned long msf2)
603 uint min1, sec1, frame1;
604 uint min2, sec2, frame2;
606 // we don't take frames into account, which may not be right.
607 min1 = MCI_MSF_MINUTE(msf1);
608 sec1 = MCI_MSF_SECOND(msf1);
609 frame1 = MCI_MSF_FRAME(msf1);
614 if ((sec1 + MCI_MSF_SECOND(msf2)) > 59) {
615 sec2 = (sec1+MCI_MSF_SECOND(msf2)) - 60;
618 else sec2 = sec1 + MCI_MSF_SECOND(msf2);
619 min2 = min1+MCI_MSF_MINUTE(msf2);
622 // logentry("msf_add:(%d:%d)\n", min2, sec2);
624 return MCI_MAKE_MSF(min2, sec2, 0);
628 unsigned long msf_sub(unsigned long msf1, unsigned long msf2)
630 int min1, sec1, frame1;
631 int min2, sec2, frame2;
633 // we don't take frames into account, which may not be right.
634 min1 = MCI_MSF_MINUTE(msf1);
635 sec1 = MCI_MSF_SECOND(msf1);
636 frame1 = MCI_MSF_FRAME(msf1);
641 if ((sec1 - (int)MCI_MSF_SECOND(msf2)) < 0) {
642 sec2 = 60 - ((int)MCI_MSF_SECOND(msf2)-sec1);
643 min1--; // This is a shortcut to min2 = min1-(MSF_MIN(msf2)-1)
645 else sec2 = sec1 - (int)MCI_MSF_SECOND(msf2);
646 min2 = min1-(int)MCI_MSF_MINUTE(msf2);
649 // logentry("msf_sub:(%d:%d)\n", min2, sec2);
651 return MCI_MAKE_MSF(min2, sec2, 0);
655 unsigned long msf_to_sec(unsigned long msf)
657 unsigned long min,sec,frame;
659 min = (msf >> 16) & 0xFF;
660 sec = (msf >> 8) & 0xFF;
661 frame = (msf >> 0) & 0xFF;
663 return (min*60) + sec;
669 MCI_STATUS_PARMS mciStatusParms;
671 unsigned long msflen, tracks, msftrack1;
673 mciStatusParms.dwItem = MCI_STATUS_NUMBER_OF_TRACKS;
674 if ((retval = mciSendCommand(CDDeviceID, MCI_STATUS, MCI_STATUS_ITEM,
675 (DWORD)(LPVOID)&mciStatusParms))>0) {
676 mprintf(("RBA: Get number of CD tracks failed.\n"));
679 tracks = mciStatusParms.dwReturn;
681 mciStatusParms.dwItem = MCI_STATUS_LENGTH;
682 if ((retval = mciSendCommand(CDDeviceID, MCI_STATUS, MCI_STATUS_ITEM,
683 (DWORD)(LPVOID)&mciStatusParms))>0) {
684 mprintf(("RBA: Get media length failed.\n"));
687 msflen = mciStatusParms.dwReturn;
689 mciStatusParms.dwTrack = 1;
690 mciStatusParms.dwItem = MCI_STATUS_POSITION;
691 if ( (retval = mciSendCommand(CDDeviceID, MCI_STATUS, MCI_STATUS_ITEM | MCI_TRACK, (DWORD)(LPVOID)&mciStatusParms)) >0) {
692 mprintf(("Could not retrieve information on track %d.\n", 1));
695 msftrack1 = mciStatusParms.dwReturn;
697 return MakeCDDiscID(tracks, msflen, msftrack1);
701 UINT MakeCDDiscID(int tracks, unsigned long msflen, unsigned long msftrack1)
705 code = (UINT)(msf_to_sec(msftrack1) << 19);
706 code |= (UINT)(msf_to_sec(msflen) << 6);
708 code |= (UINT)(tracks&0xffffffc0);