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
21 #include "quakedef.h"
22
23 #include <sys/types.h>
24 #include <sys/cdio.h>
25 #include <sys/ioctl.h>
26
27 #include <errno.h>
28 #include <fcntl.h>
29 #include <paths.h>
30 #include <unistd.h>
31 #include <time.h>
32 #ifndef __FreeBSD__
33 # include <util.h>
34 #endif
35
36 #include "cdaudio.h"
37
38
39 #ifndef __FreeBSD__
40 # define DEFAULT_CD_DEVICE _PATH_DEV "cd0"
41 #else
42 # define DEFAULT_CD_DEVICE "/dev/acd0c"
43 #endif
44
45 static int cdfile = -1;
46 static char cd_dev[64] = DEFAULT_CD_DEVICE;
47
48
CDAudio_SysEject(void)49 void CDAudio_SysEject (void)
50 {
51 if (cdfile == -1)
52 return;
53
54 ioctl(cdfile, CDIOCALLOW);
55 if (ioctl(cdfile, CDIOCEJECT) == -1)
56 Con_Print("ioctl CDIOCEJECT failed\n");
57 }
58
59
CDAudio_SysCloseDoor(void)60 void CDAudio_SysCloseDoor (void)
61 {
62 if (cdfile == -1)
63 return;
64
65 ioctl(cdfile, CDIOCALLOW);
66 if (ioctl(cdfile, CDIOCCLOSE) == -1)
67 Con_Print("ioctl CDIOCCLOSE failed\n");
68 }
69
CDAudio_SysGetAudioDiskInfo(void)70 int CDAudio_SysGetAudioDiskInfo (void)
71 {
72 struct ioc_toc_header tochdr;
73
74 if (cdfile == -1)
75 return -1;
76
77 if (ioctl(cdfile, CDIOREADTOCHEADER, &tochdr) == -1)
78 {
79 Con_Print("ioctl CDIOREADTOCHEADER failed\n");
80 return -1;
81 }
82
83 if (tochdr.starting_track < 1)
84 {
85 Con_Print("CDAudio: no music tracks\n");
86 return -1;
87 }
88
89 return tochdr.ending_track;
90 }
91
92
CDAudio_SysGetVolume(void)93 float CDAudio_SysGetVolume (void)
94 {
95 struct ioc_vol vol;
96
97 if (cdfile == -1)
98 return -1.0f;
99
100 if (ioctl (cdfile, CDIOCGETVOL, &vol) == -1)
101 {
102 Con_Print("ioctl CDIOCGETVOL failed\n");
103 return -1.0f;
104 }
105
106 return (vol.vol[0] + vol.vol[1]) / 2.0f / 255.0f;
107 }
108
109
CDAudio_SysSetVolume(float volume)110 void CDAudio_SysSetVolume (float volume)
111 {
112 struct ioc_vol vol;
113
114 if (cdfile == -1)
115 return;
116
117 vol.vol[0] = vol.vol[1] = volume * 255;
118 vol.vol[2] = vol.vol[3] = 0;
119
120 if (ioctl (cdfile, CDIOCSETVOL, &vol) == -1)
121 Con_Printf ("ioctl CDIOCSETVOL failed\n");
122 }
123
124
CDAudio_SysPlay(int track)125 int CDAudio_SysPlay (int track)
126 {
127 struct ioc_read_toc_entry rte;
128 struct cd_toc_entry entry;
129 struct ioc_play_track ti;
130
131 if (cdfile == -1)
132 return -1;
133
134 // don't try to play a non-audio track
135 rte.address_format = CD_MSF_FORMAT;
136 rte.starting_track = track;
137 rte.data_len = sizeof(entry);
138 rte.data = &entry;
139 if (ioctl(cdfile, CDIOREADTOCENTRYS, &rte) == -1)
140 {
141 Con_Print("ioctl CDIOREADTOCENTRYS failed\n");
142 return -1;
143 }
144 if (entry.control & 4) // if it's a data track
145 {
146 Con_Printf("CDAudio: track %i is not audio\n", track);
147 return -1;
148 }
149
150 if (cdPlaying)
151 CDAudio_Stop();
152
153 ti.start_track = track;
154 ti.end_track = track;
155 ti.start_index = 1;
156 ti.end_index = 99;
157
158 if (ioctl(cdfile, CDIOCPLAYTRACKS, &ti) == -1)
159 {
160 Con_Print("ioctl CDIOCPLAYTRACKS failed\n");
161 return -1;
162 }
163
164 if (ioctl(cdfile, CDIOCRESUME) == -1)
165 {
166 Con_Print("ioctl CDIOCRESUME failed\n");
167 return -1;
168 }
169
170 return 0;
171 }
172
173
CDAudio_SysStop(void)174 int CDAudio_SysStop (void)
175 {
176 if (cdfile == -1)
177 return -1;
178
179 if (ioctl(cdfile, CDIOCSTOP) == -1)
180 {
181 Con_Printf("ioctl CDIOCSTOP failed (%d)\n", errno);
182 return -1;
183 }
184 ioctl(cdfile, CDIOCALLOW);
185
186 return 0;
187 }
188
CDAudio_SysPause(void)189 int CDAudio_SysPause (void)
190 {
191 if (cdfile == -1)
192 return -1;
193
194 if (ioctl(cdfile, CDIOCPAUSE) == -1)
195 {
196 Con_Print("ioctl CDIOCPAUSE failed\n");
197 return -1;
198 }
199
200 return 0;
201 }
202
203
CDAudio_SysResume(void)204 int CDAudio_SysResume (void)
205 {
206 if (cdfile == -1)
207 return -1;
208
209 if (ioctl(cdfile, CDIOCRESUME) == -1)
210 Con_Print("ioctl CDIOCRESUME failed\n");
211
212 return 0;
213 }
214
CDAudio_SysUpdate(void)215 int CDAudio_SysUpdate (void)
216 {
217 static time_t lastchk = 0;
218 struct ioc_read_subchannel subchnl;
219 struct cd_sub_channel_info data;
220
221 if (cdPlaying && lastchk < time(NULL))
222 {
223 lastchk = time(NULL) + 2; //two seconds between chks
224
225 bzero(&subchnl, sizeof(subchnl));
226 subchnl.data = &data;
227 subchnl.data_len = sizeof(data);
228 subchnl.address_format = CD_MSF_FORMAT;
229 subchnl.data_format = CD_CURRENT_POSITION;
230
231 if (ioctl(cdfile, CDIOCREADSUBCHANNEL, &subchnl) == -1)
232 {
233 Con_Print("ioctl CDIOCREADSUBCHANNEL failed\n");
234 cdPlaying = false;
235 return -1;
236 }
237 if (data.header.audio_status != CD_AS_PLAY_IN_PROGRESS &&
238 data.header.audio_status != CD_AS_PLAY_PAUSED)
239 {
240 cdPlaying = false;
241 if (cdPlayLooping)
242 CDAudio_Play(cdPlayTrack, true);
243 }
244 else
245 cdPlayTrack = data.what.position.track_number;
246 }
247
248 return 0;
249 }
250
CDAudio_SysInit(void)251 void CDAudio_SysInit (void)
252 {
253 int i;
254
255 // COMMANDLINEOPTION: BSD Sound: -cddev <devicepath> chooses which CD drive to use
256 if ((i = COM_CheckParm("-cddev")) != 0 && i < com_argc - 1)
257 strlcpy(cd_dev, com_argv[i + 1], sizeof(cd_dev));
258 }
259
CDAudio_SysStartup(void)260 int CDAudio_SysStartup (void)
261 {
262 #ifndef __FreeBSD__
263 char buff [80];
264
265 if ((cdfile = opendisk(cd_dev, O_RDONLY, buff, sizeof(buff), 0)) == -1)
266 #else
267 if ((cdfile = open(cd_dev, O_RDONLY)) < 0)
268 #endif
269 {
270 Con_Printf("CDAudio_SysStartup: open of \"%s\" failed (%i)\n",
271 cd_dev, errno);
272 cdfile = -1;
273 return -1;
274 }
275
276 return 0;
277 }
278
CDAudio_SysShutdown(void)279 void CDAudio_SysShutdown (void)
280 {
281 close(cdfile);
282 cdfile = -1;
283 }
284