2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
20 // Quake is a trademark of Id Software, Inc., (c) 1996 Id Software, Inc. All
23 #include <linux/cdrom.h>
24 #include <sys/ioctl.h>
34 static int cdfile = -1;
35 static char cd_dev[64] = "/dev/cdrom";
38 void CDAudio_SysEject (void)
43 if (ioctl(cdfile, CDROMEJECT) == -1)
44 Con_DPrint("ioctl CDROMEJECT failed\n");
48 void CDAudio_SysCloseDoor (void)
53 if (ioctl(cdfile, CDROMCLOSETRAY) == -1)
54 Con_DPrint("ioctl CDROMCLOSETRAY failed\n");
57 int CDAudio_SysGetAudioDiskInfo (void)
59 struct cdrom_tochdr tochdr;
64 if (ioctl(cdfile, CDROMREADTOCHDR, &tochdr) == -1)
66 Con_DPrint("ioctl CDROMREADTOCHDR failed\n");
70 if (tochdr.cdth_trk0 < 1)
72 Con_DPrint("CDAudio: no music tracks\n");
76 return tochdr.cdth_trk1;
80 float CDAudio_SysGetVolume (void)
82 struct cdrom_volctrl vol;
87 if (ioctl (cdfile, CDROMVOLREAD, &vol) == -1)
89 Con_DPrint("ioctl CDROMVOLREAD failed\n");
93 return (vol.channel0 + vol.channel1) / 2.0f / 255.0f;
97 void CDAudio_SysSetVolume (float volume)
99 struct cdrom_volctrl vol;
104 vol.channel0 = vol.channel1 = volume * 255;
105 vol.channel2 = vol.channel3 = 0;
107 if (ioctl (cdfile, CDROMVOLCTRL, &vol) == -1)
108 Con_DPrint("ioctl CDROMVOLCTRL failed\n");
112 int CDAudio_SysPlay (qbyte track)
114 struct cdrom_tocentry entry;
120 // don't try to play a non-audio track
121 entry.cdte_track = track;
122 entry.cdte_format = CDROM_MSF;
123 if (ioctl(cdfile, CDROMREADTOCENTRY, &entry) == -1)
125 Con_DPrint("ioctl CDROMREADTOCENTRY failed\n");
128 if (entry.cdte_ctrl == CDROM_DATA_TRACK)
130 Con_Printf("CDAudio: track %i is not audio\n", track);
137 ti.cdti_trk0 = track;
138 ti.cdti_trk1 = track;
142 if (ioctl(cdfile, CDROMPLAYTRKIND, &ti) == -1)
144 Con_DPrint("ioctl CDROMPLAYTRKIND failed\n");
148 if (ioctl(cdfile, CDROMRESUME) == -1)
150 Con_DPrint("ioctl CDROMRESUME failed\n");
158 int CDAudio_SysStop (void)
163 if (ioctl(cdfile, CDROMSTOP) == -1)
165 Con_DPrintf("ioctl CDROMSTOP failed (%d)\n", errno);
172 int CDAudio_SysPause (void)
177 if (ioctl(cdfile, CDROMPAUSE) == -1)
179 Con_DPrint("ioctl CDROMPAUSE failed\n");
187 int CDAudio_SysResume (void)
192 if (ioctl(cdfile, CDROMRESUME) == -1)
193 Con_DPrint("ioctl CDROMRESUME failed\n");
198 int CDAudio_SysUpdate (void)
200 struct cdrom_subchnl subchnl;
201 static time_t lastchk = 0;
203 if (cdPlaying && lastchk < time(NULL))
205 lastchk = time(NULL) + 2; //two seconds between chks
206 subchnl.cdsc_format = CDROM_MSF;
207 if (ioctl(cdfile, CDROMSUBCHNL, &subchnl) == -1)
209 Con_DPrint("ioctl CDROMSUBCHNL failed\n");
213 if (subchnl.cdsc_audiostatus != CDROM_AUDIO_PLAY &&
214 subchnl.cdsc_audiostatus != CDROM_AUDIO_PAUSED)
218 CDAudio_Play(cdPlayTrack, true);
221 cdPlayTrack = subchnl.cdsc_trk;
227 void CDAudio_SysInit (void)
231 // COMMANDLINEOPTION: Linux Sound: -cddev <devicepath> chooses which CD drive to use
232 if ((i = COM_CheckParm("-cddev")) != 0 && i < com_argc - 1)
233 strlcpy(cd_dev, com_argv[i + 1], sizeof(cd_dev));
236 int CDAudio_SysStartup (void)
238 if ((cdfile = open(cd_dev, O_RDONLY | O_NONBLOCK)) == -1)
240 Con_DPrintf("CDAudio_SysStartup: open of \"%s\" failed (%i)\n",
249 void CDAudio_SysShutdown (void)