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8354026d8e
will integrate to build later. git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@400 af15c1b1-3010-417e-b628-4374ebc0bcbd
512 lines
9.4 KiB
C
512 lines
9.4 KiB
C
/*
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cd_bsd.c
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Copyright (C) 1996-1997 Id Software, Inc.
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A few BSD bits taken from the darkplaces project for Hexen II:
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Hammer of Thyrion (uHexen2)
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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:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#include "cd_unix.h"
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#ifdef __USE_BSD_CDROM__
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#include "quakedef.h"
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <sys/file.h>
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#include <fcntl.h>
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#include <time.h>
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#include <errno.h>
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#include <sys/cdio.h>
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#include <paths.h>
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static qboolean cdValid = false;
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static qboolean playing = false;
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static qboolean wasPlaying = false;
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static qboolean initialized = false;
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static qboolean enabled = true;
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static qboolean playLooping = false;
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static byte remap[100];
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static byte playTrack;
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static byte maxTrack;
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static int cdfile = -1;
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/* default path to cdrom device. user can always do -cddev */
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#if !defined(__FreeBSD__)
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static const char default_dev[] = _PATH_DEV "cd0";
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#else
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static const char default_dev[] = _PATH_DEV "acd0";
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#endif
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static const char *cd_dev = default_dev;
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static float old_cdvolume;
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static qboolean hw_vol_works = true;
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static struct ioc_vol orig_vol; /* original setting to be restored upon exit */
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static struct ioc_vol drv_vol; /* the volume setting we'll be using */
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#define IOCTL_FAILURE(__name) do { \
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int __err = errno; \
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Con_DPrintf("ioctl %s failed (%d: %s)\n", #__name, __err, strerror(__err)); \
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} while (0)
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static void CDAudio_Eject(void)
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{
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if (cdfile == -1 || !enabled)
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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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IOCTL_FAILURE(CDIOCEJECT);
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}
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static void CDAudio_CloseDoor(void)
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{
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if (cdfile == -1 || !enabled)
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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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IOCTL_FAILURE(CDIOCCLOSE);
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}
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static int CDAudio_GetAudioDiskInfo(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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cdValid = false;
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if (ioctl(cdfile, CDIOREADTOCHEADER, &tochdr) == -1)
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{
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IOCTL_FAILURE(CDIOREADTOCHEADER);
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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_DPrintf("CDAudio: no music tracks\n");
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return -1;
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}
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cdValid = true;
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maxTrack = tochdr.ending_track;
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return 0;
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}
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int CDAudio_Play(byte track, qboolean looping)
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{
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struct ioc_read_toc_entry entry;
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struct cd_toc_entry toc_buffer;
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struct ioc_play_track ti;
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if (cdfile == -1 || !enabled)
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return -1;
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if (!cdValid)
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{
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CDAudio_GetAudioDiskInfo();
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if (!cdValid)
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return -1;
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}
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track = remap[track];
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if (track < 1 || track > maxTrack)
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{
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Con_DPrintf("CDAudio: Bad track number %u.\n", track);
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return -1;
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}
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/* don't try to play a non-audio track */
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# define CDROM_DATA_TRACK 4
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memset((char *)&toc_buffer, 0, sizeof(toc_buffer));
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entry.data_len = sizeof(toc_buffer);
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entry.data = &toc_buffer;
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entry.starting_track = track;
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entry.address_format = CD_MSF_FORMAT;
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if (ioctl(cdfile, CDIOREADTOCENTRYS, &entry) == -1)
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{
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IOCTL_FAILURE(CDIOREADTOCENTRYS);
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return -1;
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}
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if (toc_buffer.control & CDROM_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 (playing)
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{
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if (playTrack == track)
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return 0;
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CDAudio_Stop();
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}
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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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IOCTL_FAILURE(CDIOCPLAYTRACKS);
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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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IOCTL_FAILURE(CDIOCRESUME);
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return -1;
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}
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playLooping = looping;
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playTrack = track;
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playing = true;
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if (bgmvolume.value == 0) /* don't bother advancing */
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CDAudio_Pause ();
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return 0;
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}
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void CDAudio_Stop(void)
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{
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if (cdfile == -1 || !enabled)
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return;
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if (!playing)
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return;
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if (ioctl(cdfile, CDIOCSTOP) == -1)
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{
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IOCTL_FAILURE(CDIOCSTOP);
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return;
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}
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ioctl(cdfile, CDIOCALLOW);
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wasPlaying = false;
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playing = false;
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}
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void CDAudio_Pause(void)
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{
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if (cdfile == -1 || !enabled)
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return;
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if (!playing)
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return;
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if (ioctl(cdfile, CDIOCPAUSE) == -1)
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IOCTL_FAILURE(CDIOCPAUSE);
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wasPlaying = playing;
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playing = false;
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}
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void CDAudio_Resume(void)
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{
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if (cdfile == -1 || !enabled)
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return;
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if (!cdValid)
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return;
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if (!wasPlaying)
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return;
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if (ioctl(cdfile, CDIOCRESUME) == -1)
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IOCTL_FAILURE(CDIOCRESUME);
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playing = true;
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}
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static void CD_f (void)
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{
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const char *command;
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int ret, n;
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if (Cmd_Argc() < 2)
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{
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Con_Printf("commands:");
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Con_Printf("on, off, reset, remap, \n");
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Con_Printf("play, stop, loop, pause, resume\n");
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Con_Printf("eject, close, info\n");
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return;
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}
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command = Cmd_Argv (1);
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if (Q_strcasecmp(command, "on") == 0)
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{
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enabled = true;
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return;
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}
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if (Q_strcasecmp(command, "off") == 0)
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{
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if (playing)
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CDAudio_Stop();
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enabled = false;
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return;
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}
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if (Q_strcasecmp(command, "reset") == 0)
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{
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enabled = true;
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if (playing)
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CDAudio_Stop();
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for (n = 0; n < 100; n++)
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remap[n] = n;
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CDAudio_GetAudioDiskInfo();
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return;
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}
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if (Q_strcasecmp(command, "remap") == 0)
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{
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ret = Cmd_Argc() - 2;
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if (ret <= 0)
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{
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for (n = 1; n < 100; n++)
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if (remap[n] != n)
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Con_Printf(" %u -> %u\n", n, remap[n]);
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return;
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}
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for (n = 1; n <= ret; n++)
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remap[n] = atoi(Cmd_Argv (n+1));
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return;
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}
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if (Q_strcasecmp(command, "close") == 0)
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{
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CDAudio_CloseDoor();
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return;
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}
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if (!cdValid)
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{
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CDAudio_GetAudioDiskInfo();
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if (!cdValid)
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{
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Con_Printf("No CD in player.\n");
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return;
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}
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}
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if (Q_strcasecmp(command, "play") == 0)
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{
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CDAudio_Play((byte)atoi(Cmd_Argv (2)), false);
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return;
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}
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if (Q_strcasecmp(command, "loop") == 0)
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{
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CDAudio_Play((byte)atoi(Cmd_Argv (2)), true);
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return;
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}
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if (Q_strcasecmp(command, "stop") == 0)
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{
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CDAudio_Stop();
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return;
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}
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if (Q_strcasecmp(command, "pause") == 0)
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{
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CDAudio_Pause();
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return;
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}
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if (Q_strcasecmp(command, "resume") == 0)
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{
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CDAudio_Resume();
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return;
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}
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if (Q_strcasecmp(command, "eject") == 0)
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{
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if (playing)
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CDAudio_Stop();
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CDAudio_Eject();
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cdValid = false;
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return;
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}
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if (Q_strcasecmp(command, "info") == 0)
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{
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Con_Printf("%u tracks\n", maxTrack);
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if (playing)
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Con_Printf("Currently %s track %u\n", playLooping ? "looping" : "playing", playTrack);
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else if (wasPlaying)
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Con_Printf("Paused %s track %u\n", playLooping ? "looping" : "playing", playTrack);
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Con_Printf("Volume is %f\n", bgmvolume.value);
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return;
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}
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}
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static qboolean CD_GetVolume (struct ioc_vol *vol)
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{
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if (ioctl(cdfile, CDIOCGETVOL, vol) == -1)
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{
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IOCTL_FAILURE(CDIOCGETVOL);
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return false;
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}
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return true;
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}
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static qboolean CD_SetVolume (struct ioc_vol *vol)
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{
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if (ioctl(cdfile, CDIOCSETVOL, vol) == -1)
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{
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IOCTL_FAILURE(CDIOCSETVOL);
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return false;
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}
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return true;
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}
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static qboolean CDAudio_SetVolume (float value)
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{
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if (cdfile == -1 || !enabled)
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return false;
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old_cdvolume = value;
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if (value == 0.0f)
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CDAudio_Pause ();
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else
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CDAudio_Resume();
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if (!hw_vol_works)
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{
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return false;
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}
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else
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{
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drv_vol.vol[0] = drv_vol.vol[2] =
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drv_vol.vol[1] = drv_vol.vol[3] = value * 255.0f;
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return CD_SetVolume (&drv_vol);
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}
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}
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void CDAudio_Update(void)
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{
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struct ioc_read_subchannel subchnl;
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struct cd_sub_channel_info data;
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static time_t lastchk;
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if (cdfile == -1 || !enabled)
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return;
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if (old_cdvolume != bgmvolume.value)
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CDAudio_SetVolume (bgmvolume.value);
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if (playing && lastchk < time(NULL))
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{
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lastchk = time(NULL) + 2; /* two seconds between chks */
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memset (&subchnl, 0, 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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subchnl.track = playTrack;
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if (ioctl(cdfile, CDIOCREADSUBCHANNEL, &subchnl) == -1)
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{
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IOCTL_FAILURE(CDIOCREADSUBCHANNEL);
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playing = false;
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return;
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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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playing = false;
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if (playLooping)
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CDAudio_Play(playTrack, true);
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}
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else
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{
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playTrack = data.what.position.track_number;
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}
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}
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}
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int CDAudio_Init(void)
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{
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int i;
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if (safemode || COM_CheckParm("-nocdaudio"))
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return -1;
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if ((i = COM_CheckParm("-cddev")) != 0 && i < com_argc - 1)
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cd_dev = com_argv[i + 1];
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if ((cdfile = open(cd_dev, O_RDONLY | O_NONBLOCK)) == -1)
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{
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i = errno;
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Con_Printf("CDAudio_Init: open of \"%s\" failed (%d: %s)\n",
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cd_dev, i, strerror(i));
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cdfile = -1;
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return -1;
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}
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for (i = 0; i < 100; i++)
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remap[i] = i;
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initialized = true;
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enabled = true;
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old_cdvolume = bgmvolume.value;
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Con_Printf("CDAudio initialized (using BSD ioctls)\n");
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if (CDAudio_GetAudioDiskInfo())
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{
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Con_Printf("CDAudio_Init: No CD in drive\n");
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cdValid = false;
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}
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Cmd_AddCommand ("cd", CD_f);
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hw_vol_works = CD_GetVolume (&orig_vol);
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if (hw_vol_works)
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hw_vol_works = CDAudio_SetVolume (bgmvolume.value);
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return 0;
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}
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void CDAudio_Shutdown(void)
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{
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if (!initialized)
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return;
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CDAudio_Stop();
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if (hw_vol_works)
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CD_SetVolume (&orig_vol);
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close(cdfile);
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cdfile = -1;
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}
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#endif /* __USE_BSD_CDROM__ */
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