Audio CD support for NetBSD; it also compiles on OpenBSD, but I can't test it for...
[divverent/darkplaces.git] / cd_bsd.c
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 <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 <util.h>
32
33 #include "quakedef.h"
34
35
36 static int cdfile = -1;
37 static char cd_dev[64] = _PATH_DEV "cd0";
38
39
40 void CDAudio_SysEject (void)
41 {
42         if (cdfile == -1)
43                 return;
44
45         ioctl(cdfile, CDIOCALLOW);
46         if (ioctl(cdfile, CDIOCEJECT) == -1)
47                 Con_DPrintf("ioctl CDIOCEJECT failed\n");
48 }
49
50
51 void CDAudio_SysCloseDoor (void)
52 {
53         if (cdfile == -1)
54                 return;
55
56         ioctl(cdfile, CDIOCALLOW);
57         if (ioctl(cdfile, CDIOCCLOSE) == -1)
58                 Con_DPrintf("ioctl CDIOCCLOSE failed\n");
59 }
60
61 int CDAudio_SysGetAudioDiskInfo (void)
62 {
63         struct ioc_toc_header tochdr;
64
65         if (ioctl(cdfile, CDIOREADTOCHEADER, &tochdr) == -1)
66         {
67                 Con_DPrintf("ioctl CDIOREADTOCHEADER failed\n");
68                 return -1;
69         }
70
71         if (tochdr.starting_track < 1)
72         {
73                 Con_DPrintf("CDAudio: no music tracks\n");
74                 return -1;
75         }
76
77         return tochdr.ending_track;
78 }
79
80
81 int CDAudio_SysPlay (qbyte track)
82 {
83         struct ioc_read_toc_entry rte;
84         struct cd_toc_entry entry;
85         struct ioc_play_track ti;
86
87         if (cdfile == -1)
88                 return -1;
89
90         // don't try to play a non-audio track
91         rte.address_format = CD_MSF_FORMAT;
92         rte.starting_track = track;
93         rte.data_len = sizeof(entry);
94         rte.data = &entry;
95         if (ioctl(cdfile, CDIOREADTOCENTRYS, &rte) == -1)
96         {
97                 Con_DPrintf("ioctl CDIOREADTOCENTRYS failed\n");
98                 return -1;
99         }
100         if (entry.control & 4)  // if it's a data track
101         {
102                 Con_Printf("CDAudio: track %i is not audio\n", track);
103                 return -1;
104         }
105
106         if (cdPlaying)
107                 CDAudio_Stop();
108
109         ti.start_track = track;
110         ti.end_track = track;
111         ti.start_index = 1;
112         ti.end_index = 99;
113
114         if (ioctl(cdfile, CDIOCPLAYTRACKS, &ti) == -1)
115         {
116                 Con_DPrintf("ioctl CDIOCPLAYTRACKS failed\n");
117                 return -1;
118         }
119
120         if (ioctl(cdfile, CDIOCRESUME) == -1)
121         {
122                 Con_DPrintf("ioctl CDIOCRESUME failed\n");
123                 return -1;
124         }
125
126         return 0;
127 }
128
129
130 int CDAudio_SysStop (void)
131 {
132         if (cdfile == -1)
133                 return -1;
134
135         if (ioctl(cdfile, CDIOCSTOP) == -1)
136         {
137                 Con_DPrintf("ioctl CDIOCSTOP failed (%d)\n", errno);
138                 return -1;
139         }
140         ioctl(cdfile, CDIOCALLOW);
141
142         return 0;
143 }
144
145 int CDAudio_SysPause (void)
146 {
147         if (cdfile == -1)
148                 return -1;
149
150         if (ioctl(cdfile, CDIOCPAUSE) == -1)
151         {
152                 Con_DPrintf("ioctl CDIOCPAUSE failed\n");
153                 return -1;
154         }
155
156         return 0;
157 }
158
159
160 int CDAudio_SysResume (void)
161 {
162         if (cdfile == -1)
163                 return -1;
164
165         if (ioctl(cdfile, CDIOCRESUME) == -1)
166                 Con_DPrintf("ioctl CDIOCRESUME failed\n");
167
168         return 0;
169 }
170
171 int CDAudio_SysUpdate (void)
172 {
173         static time_t lastchk = 0;
174         struct ioc_read_subchannel subchnl;
175         struct cd_sub_channel_info data;
176
177         if (cdPlaying && lastchk < time(NULL))
178         {
179                 lastchk = time(NULL) + 2; //two seconds between chks
180
181                 bzero(&subchnl, sizeof(subchnl));
182                 subchnl.data = &data;
183                 subchnl.data_len = sizeof(data);
184                 subchnl.address_format = CD_MSF_FORMAT;
185                 subchnl.data_format = CD_CURRENT_POSITION;
186
187                 if (ioctl(cdfile, CDIOCREADSUBCHANNEL, &subchnl) == -1)
188                 {
189                         Con_DPrintf("ioctl CDIOCREADSUBCHANNEL failed\n");
190                         cdPlaying = false;
191                         return -1;
192                 }
193                 if (data.header.audio_status != CD_AS_PLAY_IN_PROGRESS &&
194                         data.header.audio_status != CD_AS_PLAY_PAUSED)
195                 {
196                         cdPlaying = false;
197                         if (cdPlayLooping)
198                                 CDAudio_Play(cdPlayTrack, true);
199                 }
200                 else
201                         cdPlayTrack = data.what.position.track_number;
202         }
203
204         return 0;
205 }
206
207 void CDAudio_SysInit (void)
208 {
209         int i;
210
211         if ((i = COM_CheckParm("-cddev")) != 0 && i < com_argc - 1)
212                 strlcpy(cd_dev, com_argv[i + 1], sizeof(cd_dev));
213 }
214
215 int CDAudio_SysStartup (void)
216 {
217         char buff [80];
218
219         if ((cdfile = opendisk(cd_dev, O_RDONLY, buff, sizeof(buff), 0)) == -1)
220         {
221                 Con_DPrintf("CDAudio_SysStartup: open of \"%s\" failed (%i)\n",
222                                         cd_dev, errno);
223                 cdfile = -1;
224                 return -1;
225         }
226
227         return 0;
228 }
229
230 void CDAudio_SysShutdown (void)
231 {
232         close(cdfile);
233         cdfile = -1;
234 }