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 // suggested by Zero_Dogg to fix a compile problem on Mandriva Linux
24 #include "quakedef.h"
25
26 #include <linux/cdrom.h>
27 #include <sys/ioctl.h>
28
29 #include <errno.h>
30 #include <fcntl.h>
31 #include <time.h>
32 #include <unistd.h>
33
34 #include "cdaudio.h"
35
36
37 static int cdfile = -1;
38 static char cd_dev[64] = "/dev/cdrom";
39
40
CDAudio_SysEject(void)41 void CDAudio_SysEject (void)
42 {
43 if (cdfile == -1)
44 return;
45
46 if (ioctl(cdfile, CDROMEJECT) == -1)
47 Con_Print("ioctl CDROMEJECT failed\n");
48 }
49
50
CDAudio_SysCloseDoor(void)51 void CDAudio_SysCloseDoor (void)
52 {
53 if (cdfile == -1)
54 return;
55
56 if (ioctl(cdfile, CDROMCLOSETRAY) == -1)
57 Con_Print("ioctl CDROMCLOSETRAY failed\n");
58 }
59
CDAudio_SysGetAudioDiskInfo(void)60 int CDAudio_SysGetAudioDiskInfo (void)
61 {
62 struct cdrom_tochdr tochdr;
63
64 if (cdfile == -1)
65 return -1;
66
67 if (ioctl(cdfile, CDROMREADTOCHDR, &tochdr) == -1)
68 {
69 Con_Print("ioctl CDROMREADTOCHDR failed\n");
70 return -1;
71 }
72
73 if (tochdr.cdth_trk0 < 1)
74 {
75 Con_Print("CDAudio: no music tracks\n");
76 return -1;
77 }
78
79 return tochdr.cdth_trk1;
80 }
81
82
CDAudio_SysGetVolume(void)83 float CDAudio_SysGetVolume (void)
84 {
85 struct cdrom_volctrl vol;
86
87 if (cdfile == -1)
88 return -1.0f;
89
90 if (ioctl (cdfile, CDROMVOLREAD, &vol) == -1)
91 {
92 Con_Print("ioctl CDROMVOLREAD failed\n");
93 return -1.0f;
94 }
95
96 return (vol.channel0 + vol.channel1) / 2.0f / 255.0f;
97 }
98
99
CDAudio_SysSetVolume(float volume)100 void CDAudio_SysSetVolume (float volume)
101 {
102 struct cdrom_volctrl vol;
103
104 if (cdfile == -1)
105 return;
106
107 vol.channel0 = vol.channel1 = (__u8)(volume * 255);
108 vol.channel2 = vol.channel3 = 0;
109
110 if (ioctl (cdfile, CDROMVOLCTRL, &vol) == -1)
111 Con_Print("ioctl CDROMVOLCTRL failed\n");
112 }
113
114
CDAudio_SysPlay(int track)115 int CDAudio_SysPlay (int track)
116 {
117 struct cdrom_tocentry entry;
118 struct cdrom_ti ti;
119
120 if (cdfile == -1)
121 return -1;
122
123 // don't try to play a non-audio track
124 entry.cdte_track = track;
125 entry.cdte_format = CDROM_MSF;
126 if (ioctl(cdfile, CDROMREADTOCENTRY, &entry) == -1)
127 {
128 Con_Print("ioctl CDROMREADTOCENTRY failed\n");
129 return -1;
130 }
131 if (entry.cdte_ctrl == CDROM_DATA_TRACK)
132 {
133 Con_Printf("CDAudio: track %i is not audio\n", track);
134 return -1;
135 }
136
137 if (cdPlaying)
138 CDAudio_Stop();
139
140 ti.cdti_trk0 = track;
141 ti.cdti_trk1 = track;
142 ti.cdti_ind0 = 1;
143 ti.cdti_ind1 = 99;
144
145 if (ioctl(cdfile, CDROMPLAYTRKIND, &ti) == -1)
146 {
147 Con_Print("ioctl CDROMPLAYTRKIND failed\n");
148 return -1;
149 }
150
151 if (ioctl(cdfile, CDROMRESUME) == -1)
152 {
153 Con_Print("ioctl CDROMRESUME failed\n");
154 return -1;
155 }
156
157 return 0;
158 }
159
160
CDAudio_SysStop(void)161 int CDAudio_SysStop (void)
162 {
163 if (cdfile == -1)
164 return -1;
165
166 if (ioctl(cdfile, CDROMSTOP) == -1)
167 {
168 Con_Printf("ioctl CDROMSTOP failed (%d)\n", errno);
169 return -1;
170 }
171
172 return 0;
173 }
174
CDAudio_SysPause(void)175 int CDAudio_SysPause (void)
176 {
177 if (cdfile == -1)
178 return -1;
179
180 if (ioctl(cdfile, CDROMPAUSE) == -1)
181 {
182 Con_Print("ioctl CDROMPAUSE failed\n");
183 return -1;
184 }
185
186 return 0;
187 }
188
189
CDAudio_SysResume(void)190 int CDAudio_SysResume (void)
191 {
192 if (cdfile == -1)
193 return -1;
194
195 if (ioctl(cdfile, CDROMRESUME) == -1)
196 Con_Print("ioctl CDROMRESUME failed\n");
197
198 return 0;
199 }
200
CDAudio_SysUpdate(void)201 int CDAudio_SysUpdate (void)
202 {
203 struct cdrom_subchnl subchnl;
204 static time_t lastchk = 0;
205
206 if (cdPlaying && lastchk < time(NULL) && cdfile != -1)
207 {
208 lastchk = time(NULL) + 2; //two seconds between chks
209 subchnl.cdsc_format = CDROM_MSF;
210 if (ioctl(cdfile, CDROMSUBCHNL, &subchnl) == -1)
211 {
212 Con_Print("ioctl CDROMSUBCHNL failed\n");
213 cdPlaying = false;
214 return -1;
215 }
216 if (subchnl.cdsc_audiostatus != CDROM_AUDIO_PLAY &&
217 subchnl.cdsc_audiostatus != CDROM_AUDIO_PAUSED)
218 {
219 cdPlaying = false;
220 if (cdPlayLooping)
221 CDAudio_Play(cdPlayTrack, true);
222 }
223 else
224 cdPlayTrack = subchnl.cdsc_trk;
225 }
226
227 return 0;
228 }
229
CDAudio_SysInit(void)230 void CDAudio_SysInit (void)
231 {
232 int i;
233
234 // COMMANDLINEOPTION: Linux Sound: -cddev <devicepath> chooses which CD drive to use
235 if ((i = COM_CheckParm("-cddev")) != 0 && i < com_argc - 1)
236 strlcpy(cd_dev, com_argv[i + 1], sizeof(cd_dev));
237 }
238
CDAudio_SysStartup(void)239 int CDAudio_SysStartup (void)
240 {
241 if ((cdfile = open(cd_dev, O_RDONLY | O_NONBLOCK)) == -1)
242 {
243 Con_Printf("CDAudio_SysStartup: open of \"%s\" failed (%i)\n",
244 cd_dev, errno);
245 cdfile = -1;
246 return -1;
247 }
248
249 return 0;
250 }
251
CDAudio_SysShutdown(void)252 void CDAudio_SysShutdown (void)
253 {
254 close(cdfile);
255 cdfile = -1;
256 }
257