1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18
19 */
20 // Quake is a trademark of Id Software, Inc., (c) 1996 Id Software, Inc. All
21 // rights reserved.
22
23 #include <stdio.h>
24 #include <unistd.h>
25 #include <stdlib.h>
26 #include <sys/ioctl.h>
27 #include <sys/file.h>
28 #include <sys/types.h>
29 #include <fcntl.h>
30 #include <string.h>
31 #include <time.h>
32 #include <errno.h>
33
34 #include <sys/cdio.h>
35
36 #include "quakedef.h"
37
38 static qboolean cdValid = false;
39 static qboolean playing = false;
40 static qboolean wasPlaying = false;
41 static qboolean initialized = false;
42 static qboolean enabled = true;
43 static qboolean playLooping = false;
44 static float cdvolume;
45 static byte remap[100];
46 static byte playTrack;
47 static byte maxTrack;
48
49 static int cdfile = -1;
50 static char cd_dev[64] = "/dev/cdrom";
51
CDAudio_Eject(void)52 static void CDAudio_Eject(void)
53 {
54 if (cdfile == -1 || !enabled)
55 return; // no cd init'd
56
57 if ( ioctl(cdfile, CDIOCEJECT) == -1 )
58 Con_DPrintf("ioctl CDIOCEJECT failed\n");
59 }
60
61
CDAudio_CloseDoor(void)62 static void CDAudio_CloseDoor(void)
63 {
64 if (cdfile == -1 || !enabled)
65 return; // no cd init'd
66
67 if ( ioctl(cdfile, CDIOCCLOSE) == -1 )
68 Con_DPrintf("ioctl CDIOCCLOSE failed\n");
69 }
70
CDAudio_GetAudioDiskInfo(void)71 static int CDAudio_GetAudioDiskInfo(void)
72 {
73 struct ioc_toc_header tochdr;
74
75 cdValid = false;
76
77 if ( ioctl(cdfile, CDIOREADTOCHEADER, &tochdr) == -1 )
78 {
79 Con_DPrintf("ioctl CDIOREADTOCHEADER failed\n");
80 return -1;
81 }
82
83 if (tochdr.starting_track < 1)
84 {
85 Con_DPrintf("CDAudio: no music tracks\n");
86 return -1;
87 }
88
89 cdValid = true;
90 maxTrack = tochdr.ending_track;
91
92 return 0;
93 }
94
95
CDAudio_Play(byte track,qboolean looping)96 void CDAudio_Play(byte track, qboolean looping)
97 {
98 struct ioc_read_toc_single_entry entry;
99 struct ioc_play_track ti;
100
101 if (cdfile == -1 || !enabled)
102 return;
103
104 if (!cdValid)
105 {
106 CDAudio_GetAudioDiskInfo();
107 if (!cdValid)
108 return;
109 }
110
111 track = remap[track];
112
113 if (track < 1 || track > maxTrack)
114 {
115 Con_DPrintf("CDAudio: Bad track number %u.\n", track);
116 return;
117 }
118 /*
119 // don't try to play a non-audio track
120 entry.cdte_track = track;
121 entry.cdte_format = CDROM_MSF;
122 if ( ioctl(cdfile, CDROMREADTOCENTRY, &entry) == -1 )
123 {
124 Con_DPrintf("ioctl cdromreadtocentry failed\n");
125 return;
126 }
127 if (entry.cdte_ctrl == CDROM_DATA_TRACK)
128 {
129 Con_Printf("CDAudio: track %i is not audio\n", track);
130 return;
131 }
132 */
133 if (playing)
134 {
135 if (playTrack == track)
136 return;
137 CDAudio_Stop();
138 }
139
140 ti.start_track = track;
141 ti.end_track = track;
142 ti.start_index = 1;
143 ti.end_index = 99;
144
145 if ( ioctl(cdfile, CDIOCPLAYTRACKS, &ti) == -1 )
146 {
147 Con_DPrintf("ioctl CDIOCPLAYTRACKS failed\n");
148 return;
149 }
150
151 if ( ioctl(cdfile, CDIOCRESUME) == -1 )
152 Con_DPrintf("ioctl CDIOCRESUME failed\n");
153
154 playLooping = looping;
155 playTrack = track;
156 playing = true;
157
158 if (cdvolume == 0.0)
159 CDAudio_Pause ();
160 }
161
162
CDAudio_Stop(void)163 void CDAudio_Stop(void)
164 {
165 if (cdfile == -1 || !enabled)
166 return;
167
168 if (!playing)
169 return;
170
171 if ( ioctl(cdfile, CDIOCSTOP) == -1 )
172 Con_DPrintf("ioctl CDIOCSTOP failed (%d)\n", errno);
173
174 wasPlaying = false;
175 playing = false;
176 }
177
CDAudio_Pause(void)178 void CDAudio_Pause(void)
179 {
180 if (cdfile == -1 || !enabled)
181 return;
182
183 if (!playing)
184 return;
185
186 if ( ioctl(cdfile, CDIOCPAUSE) == -1 )
187 Con_DPrintf("ioctl CDIOCPAUSE failed\n");
188
189 wasPlaying = playing;
190 playing = false;
191 }
192
193
CDAudio_Resume(void)194 void CDAudio_Resume(void)
195 {
196 if (cdfile == -1 || !enabled)
197 return;
198
199 if (!cdValid)
200 return;
201
202 if (!wasPlaying)
203 return;
204
205 if ( ioctl(cdfile, CDIOCRESUME) == -1 )
206 Con_DPrintf("ioctl CDIOCRESUME failed\n");
207 playing = true;
208 }
209
CD_f(void)210 static void CD_f (void)
211 {
212 char *command;
213 int ret;
214 int n;
215
216 if (Cmd_Argc() < 2)
217 return;
218
219 command = Cmd_Argv (1);
220
221 if (Q_strcasecmp(command, "on") == 0)
222 {
223 enabled = true;
224 return;
225 }
226
227 if (Q_strcasecmp(command, "off") == 0)
228 {
229 if (playing)
230 CDAudio_Stop();
231 enabled = false;
232 return;
233 }
234
235 if (Q_strcasecmp(command, "reset") == 0)
236 {
237 enabled = true;
238 if (playing)
239 CDAudio_Stop();
240 for (n = 0; n < 100; n++)
241 remap[n] = n;
242 CDAudio_GetAudioDiskInfo();
243 return;
244 }
245
246 if (Q_strcasecmp(command, "remap") == 0)
247 {
248 ret = Cmd_Argc() - 2;
249 if (ret <= 0)
250 {
251 for (n = 1; n < 100; n++)
252 if (remap[n] != n)
253 Con_Printf(" %u -> %u\n", n, remap[n]);
254 return;
255 }
256 for (n = 1; n <= ret; n++)
257 remap[n] = Q_atoi(Cmd_Argv (n+1));
258 return;
259 }
260
261 if (Q_strcasecmp(command, "close") == 0)
262 {
263 CDAudio_CloseDoor();
264 return;
265 }
266
267 if (!cdValid)
268 {
269 CDAudio_GetAudioDiskInfo();
270 if (!cdValid)
271 {
272 Con_Printf("No CD in player.\n");
273 return;
274 }
275 }
276
277 if (Q_strcasecmp(command, "play") == 0)
278 {
279 CDAudio_Play((byte)Q_atoi(Cmd_Argv (2)), false);
280 return;
281 }
282
283 if (Q_strcasecmp(command, "loop") == 0)
284 {
285 CDAudio_Play((byte)Q_atoi(Cmd_Argv (2)), true);
286 return;
287 }
288
289 if (Q_strcasecmp(command, "stop") == 0)
290 {
291 CDAudio_Stop();
292 return;
293 }
294
295 if (Q_strcasecmp(command, "pause") == 0)
296 {
297 CDAudio_Pause();
298 return;
299 }
300
301 if (Q_strcasecmp(command, "resume") == 0)
302 {
303 CDAudio_Resume();
304 return;
305 }
306
307 if (Q_strcasecmp(command, "eject") == 0)
308 {
309 if (playing)
310 CDAudio_Stop();
311 CDAudio_Eject();
312 cdValid = false;
313 return;
314 }
315
316 if (Q_strcasecmp(command, "info") == 0)
317 {
318 Con_Printf("%u tracks\n", maxTrack);
319 if (playing)
320 Con_Printf("Currently %s track %u\n", playLooping ? "looping" : "playing", playTrack);
321 else if (wasPlaying)
322 Con_Printf("Paused %s track %u\n", playLooping ? "looping" : "playing", playTrack);
323 Con_Printf("Volume is %f\n", cdvolume);
324 return;
325 }
326 }
327
CDAudio_Update(void)328 void CDAudio_Update(void)
329 {
330 struct ioc_read_subchannel subchnl;
331 struct cd_sub_channel_info data;
332 static time_t lastchk;
333
334 if (!enabled)
335 return;
336
337 if (bgmvolume.value != cdvolume)
338 {
339 if (cdvolume)
340 {
341 Cvar_SetValue ("bgmvolume", 0.0);
342 cdvolume = bgmvolume.value;
343 CDAudio_Pause ();
344 }
345 else
346 {
347 Cvar_SetValue ("bgmvolume", 1.0);
348 cdvolume = bgmvolume.value;
349 CDAudio_Resume ();
350 }
351 }
352
353 if (playing && lastchk < time(NULL)) {
354 lastchk = time(NULL) + 2; //two seconds between chks
355 subchnl.data = &data;
356 subchnl.data_len = sizeof(data);
357 subchnl.address_format = CD_MSF_FORMAT;
358 subchnl.data_format = CD_CURRENT_POSITION;
359 if (ioctl(cdfile, CDIOCREADSUBCHANNEL, (char*) &subchnl) == -1 ) {
360 Con_DPrintf("ioctl CDIOCREADSUBCHANNEL failed\n");
361 playing = false;
362 return;
363 }
364 if (subchnl.data->header.audio_status != CD_AS_PLAY_IN_PROGRESS &&
365 subchnl.data->header.audio_status != CD_AS_PLAY_PAUSED) {
366 playing = false;
367 if (playLooping)
368 CDAudio_Play(playTrack, true);
369 }
370 }
371 }
372
CDAudio_Init(void)373 int CDAudio_Init(void)
374 {
375 int i;
376
377 if (cls.state == ca_dedicated)
378 return -1;
379
380 if (COM_CheckParm("-nocdaudio"))
381 return -1;
382
383 if ((i = COM_CheckParm("-cddev")) != 0 && i < com_argc - 1) {
384 strncpy(cd_dev, com_argv[i + 1], sizeof(cd_dev));
385 cd_dev[sizeof(cd_dev) - 1] = 0;
386 }
387
388 if ((cdfile = open(cd_dev, O_RDONLY)) == -1) {
389 Con_Printf("CDAudio_Init: open of \"%s\" failed (%i)\n", cd_dev, errno);
390 cdfile = -1;
391 return -1;
392 }
393
394 for (i = 0; i < 100; i++)
395 remap[i] = i;
396 initialized = true;
397 enabled = true;
398
399 if (CDAudio_GetAudioDiskInfo())
400 {
401 Con_Printf("CDAudio_Init: No CD in player.\n");
402 cdValid = false;
403 }
404
405 Cmd_AddCommand ("cd", CD_f);
406
407 Con_Printf("CD Audio Initialized\n");
408
409 return 0;
410 }
411
412
CDAudio_Shutdown(void)413 void CDAudio_Shutdown(void)
414 {
415 if (!initialized)
416 return;
417 CDAudio_Stop();
418 close(cdfile);
419 cdfile = -1;
420 }
421