284 lines
5.2 KiB
C
284 lines
5.2 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "quakedef.h"
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#include <sys/types.h>
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#include <sys/cdio.h>
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <paths.h>
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#include <unistd.h>
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#include <time.h>
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#ifndef __FreeBSD__
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# include <util.h>
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#endif
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#include "cdaudio.h"
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#ifndef __FreeBSD__
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# define DEFAULT_CD_DEVICE _PATH_DEV "cd0"
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#else
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# define DEFAULT_CD_DEVICE "/dev/acd0c"
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#endif
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static int cdfile = -1;
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static char cd_dev[64] = DEFAULT_CD_DEVICE;
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void CDAudio_SysEject (void)
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{
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if (cdfile == -1)
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return;
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ioctl(cdfile, CDIOCALLOW);
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if (ioctl(cdfile, CDIOCEJECT) == -1)
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Con_Print("ioctl CDIOCEJECT failed\n");
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}
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void CDAudio_SysCloseDoor (void)
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{
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if (cdfile == -1)
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return;
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ioctl(cdfile, CDIOCALLOW);
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if (ioctl(cdfile, CDIOCCLOSE) == -1)
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Con_Print("ioctl CDIOCCLOSE failed\n");
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}
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int CDAudio_SysGetAudioDiskInfo (void)
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{
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struct ioc_toc_header tochdr;
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if (cdfile == -1)
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return -1;
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if (ioctl(cdfile, CDIOREADTOCHEADER, &tochdr) == -1)
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{
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Con_Print("ioctl CDIOREADTOCHEADER failed\n");
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return -1;
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}
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if (tochdr.starting_track < 1)
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{
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Con_Print("CDAudio: no music tracks\n");
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return -1;
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}
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return tochdr.ending_track;
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}
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float CDAudio_SysGetVolume (void)
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{
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struct ioc_vol vol;
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if (cdfile == -1)
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return -1.0f;
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if (ioctl (cdfile, CDIOCGETVOL, &vol) == -1)
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{
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Con_Print("ioctl CDIOCGETVOL failed\n");
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return -1.0f;
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}
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return (vol.vol[0] + vol.vol[1]) / 2.0f / 255.0f;
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}
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void CDAudio_SysSetVolume (float volume)
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{
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struct ioc_vol vol;
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if (cdfile == -1)
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return;
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vol.vol[0] = vol.vol[1] = volume * 255;
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vol.vol[2] = vol.vol[3] = 0;
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if (ioctl (cdfile, CDIOCSETVOL, &vol) == -1)
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Con_Printf ("ioctl CDIOCSETVOL failed\n");
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}
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int CDAudio_SysPlay (int track)
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{
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struct ioc_read_toc_entry rte;
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struct cd_toc_entry entry;
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struct ioc_play_track ti;
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if (cdfile == -1)
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return -1;
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// don't try to play a non-audio track
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rte.address_format = CD_MSF_FORMAT;
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rte.starting_track = track;
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rte.data_len = sizeof(entry);
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rte.data = &entry;
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if (ioctl(cdfile, CDIOREADTOCENTRYS, &rte) == -1)
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{
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Con_Print("ioctl CDIOREADTOCENTRYS failed\n");
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return -1;
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}
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if (entry.control & 4) // if it's a data track
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{
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Con_Printf("CDAudio: track %i is not audio\n", track);
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return -1;
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}
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if (cdPlaying)
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CDAudio_Stop();
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ti.start_track = track;
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ti.end_track = track;
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ti.start_index = 1;
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ti.end_index = 99;
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if (ioctl(cdfile, CDIOCPLAYTRACKS, &ti) == -1)
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{
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Con_Print("ioctl CDIOCPLAYTRACKS failed\n");
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return -1;
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}
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if (ioctl(cdfile, CDIOCRESUME) == -1)
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{
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Con_Print("ioctl CDIOCRESUME failed\n");
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return -1;
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}
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return 0;
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}
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int CDAudio_SysStop (void)
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{
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if (cdfile == -1)
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return -1;
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if (ioctl(cdfile, CDIOCSTOP) == -1)
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{
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Con_Printf("ioctl CDIOCSTOP failed (%d)\n", errno);
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return -1;
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}
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ioctl(cdfile, CDIOCALLOW);
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return 0;
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}
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int CDAudio_SysPause (void)
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{
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if (cdfile == -1)
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return -1;
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if (ioctl(cdfile, CDIOCPAUSE) == -1)
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{
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Con_Print("ioctl CDIOCPAUSE failed\n");
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return -1;
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}
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return 0;
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}
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int CDAudio_SysResume (void)
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{
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if (cdfile == -1)
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return -1;
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if (ioctl(cdfile, CDIOCRESUME) == -1)
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Con_Print("ioctl CDIOCRESUME failed\n");
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return 0;
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}
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int CDAudio_SysUpdate (void)
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{
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static time_t lastchk = 0;
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struct ioc_read_subchannel subchnl;
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struct cd_sub_channel_info data;
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if (cdPlaying && lastchk < time(NULL))
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{
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lastchk = time(NULL) + 2; //two seconds between chks
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bzero(&subchnl, sizeof(subchnl));
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subchnl.data = &data;
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subchnl.data_len = sizeof(data);
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subchnl.address_format = CD_MSF_FORMAT;
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subchnl.data_format = CD_CURRENT_POSITION;
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if (ioctl(cdfile, CDIOCREADSUBCHANNEL, &subchnl) == -1)
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{
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Con_Print("ioctl CDIOCREADSUBCHANNEL failed\n");
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cdPlaying = false;
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return -1;
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}
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if (data.header.audio_status != CD_AS_PLAY_IN_PROGRESS &&
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data.header.audio_status != CD_AS_PLAY_PAUSED)
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{
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cdPlaying = false;
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if (cdPlayLooping)
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CDAudio_Play(cdPlayTrack, true);
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}
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else
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cdPlayTrack = data.what.position.track_number;
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}
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return 0;
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}
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void CDAudio_SysInit (void)
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{
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int i;
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// COMMANDLINEOPTION: BSD Sound: -cddev <devicepath> chooses which CD drive to use
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if ((i = COM_CheckParm("-cddev")) != 0 && i < com_argc - 1)
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strlcpy(cd_dev, com_argv[i + 1], sizeof(cd_dev));
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}
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int CDAudio_SysStartup (void)
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{
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#ifndef __FreeBSD__
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char buff [80];
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if ((cdfile = opendisk(cd_dev, O_RDONLY, buff, sizeof(buff), 0)) == -1)
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#else
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if ((cdfile = open(cd_dev, O_RDONLY)) < 0)
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#endif
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{
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Con_Printf("CDAudio_SysStartup: open of \"%s\" failed (%i)\n",
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cd_dev, errno);
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cdfile = -1;
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return -1;
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}
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return 0;
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}
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void CDAudio_SysShutdown (void)
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{
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close(cdfile);
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cdfile = -1;
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}
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