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 // suggested by Zero_Dogg to fix a compile problem on Mandriva Linux
26 #include <linux/cdrom.h>
27 #include <sys/ioctl.h>
37 static int cdfile = -1;
38 static char cd_dev[64] = "/dev/cdrom";
41 void CDAudio_SysEject (void)
46 if (ioctl(cdfile, CDROMEJECT) == -1)
47 Con_Print("ioctl CDROMEJECT failed\n");
51 void CDAudio_SysCloseDoor (void)
56 if (ioctl(cdfile, CDROMCLOSETRAY) == -1)
57 Con_Print("ioctl CDROMCLOSETRAY failed\n");
60 int CDAudio_SysGetAudioDiskInfo (void)
62 struct cdrom_tochdr tochdr;
67 if (ioctl(cdfile, CDROMREADTOCHDR, &tochdr) == -1)
69 Con_Print("ioctl CDROMREADTOCHDR failed\n");
73 if (tochdr.cdth_trk0 < 1)
75 Con_Print("CDAudio: no music tracks\n");
79 return tochdr.cdth_trk1;
83 float CDAudio_SysGetVolume (void)
85 struct cdrom_volctrl vol;
90 if (ioctl (cdfile, CDROMVOLREAD, &vol) == -1)
92 Con_Print("ioctl CDROMVOLREAD failed\n");
96 return (vol.channel0 + vol.channel1) / 2.0f / 255.0f;
100 void CDAudio_SysSetVolume (float volume)
102 struct cdrom_volctrl vol;
107 vol.channel0 = vol.channel1 = (__u8)(volume * 255);
108 vol.channel2 = vol.channel3 = 0;
110 if (ioctl (cdfile, CDROMVOLCTRL, &vol) == -1)
111 Con_Print("ioctl CDROMVOLCTRL failed\n");
115 int CDAudio_SysPlay (unsigned char track)
117 struct cdrom_tocentry entry;
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)
128 Con_Print("ioctl CDROMREADTOCENTRY failed\n");
131 if (entry.cdte_ctrl == CDROM_DATA_TRACK)
133 Con_Printf("CDAudio: track %i is not audio\n", track);
140 ti.cdti_trk0 = track;
141 ti.cdti_trk1 = track;
145 if (ioctl(cdfile, CDROMPLAYTRKIND, &ti) == -1)
147 Con_Print("ioctl CDROMPLAYTRKIND failed\n");
151 if (ioctl(cdfile, CDROMRESUME) == -1)
153 Con_Print("ioctl CDROMRESUME failed\n");
161 int CDAudio_SysStop (void)
166 if (ioctl(cdfile, CDROMSTOP) == -1)
168 Con_Printf("ioctl CDROMSTOP failed (%d)\n", errno);
175 int CDAudio_SysPause (void)
180 if (ioctl(cdfile, CDROMPAUSE) == -1)
182 Con_Print("ioctl CDROMPAUSE failed\n");
190 int CDAudio_SysResume (void)
195 if (ioctl(cdfile, CDROMRESUME) == -1)
196 Con_Print("ioctl CDROMRESUME failed\n");
201 int CDAudio_SysUpdate (void)
203 struct cdrom_subchnl subchnl;
204 static time_t lastchk = 0;
206 if (cdPlaying && lastchk < time(NULL))
208 lastchk = time(NULL) + 2; //two seconds between chks
209 subchnl.cdsc_format = CDROM_MSF;
210 if (ioctl(cdfile, CDROMSUBCHNL, &subchnl) == -1)
212 Con_Print("ioctl CDROMSUBCHNL failed\n");
216 if (subchnl.cdsc_audiostatus != CDROM_AUDIO_PLAY &&
217 subchnl.cdsc_audiostatus != CDROM_AUDIO_PAUSED)
221 CDAudio_Play(cdPlayTrack, true);
224 cdPlayTrack = subchnl.cdsc_trk;
230 void CDAudio_SysInit (void)
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));
239 int CDAudio_SysStartup (void)
241 if ((cdfile = open(cd_dev, O_RDONLY | O_NONBLOCK)) == -1)
243 Con_Printf("CDAudio_SysStartup: open of \"%s\" failed (%i)\n",
252 void CDAudio_SysShutdown (void)