mirror of
https://github.com/Shpoike/Quakespasm.git
synced 2024-11-10 15:31:39 +00:00
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
487 lines
8.7 KiB
C
487 lines
8.7 KiB
C
/*
|
|
cd_linux.c
|
|
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
|
|
|
|
#include "cd_unix.h"
|
|
|
|
#ifdef __USE_LINUX_CDROM__
|
|
|
|
#include "quakedef.h"
|
|
|
|
#include <unistd.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/file.h>
|
|
#include <fcntl.h>
|
|
#include <time.h>
|
|
#include <errno.h>
|
|
|
|
#include <linux/cdrom.h>
|
|
#include <paths.h>
|
|
|
|
static qboolean cdValid = false;
|
|
static qboolean playing = false;
|
|
static qboolean wasPlaying = false;
|
|
static qboolean initialized = false;
|
|
static qboolean enabled = true;
|
|
static qboolean playLooping = false;
|
|
static byte remap[100];
|
|
static byte playTrack;
|
|
static byte maxTrack;
|
|
|
|
static int cdfile = -1;
|
|
static const char default_dev[] = _PATH_DEV "cdrom"; /* user can always do -cddev */
|
|
static const char *cd_dev = default_dev;
|
|
|
|
static float old_cdvolume;
|
|
static qboolean hw_vol_works = true;
|
|
static struct cdrom_volctrl orig_vol; /* original setting to be restored upon exit */
|
|
static struct cdrom_volctrl drv_vol; /* the volume setting we'll be using */
|
|
|
|
|
|
#define IOCTL_FAILURE(__name) do { \
|
|
int __err = errno; \
|
|
Con_DPrintf("ioctl %s failed (%d: %s)\n", #__name, __err, strerror(__err)); \
|
|
} while (0)
|
|
|
|
|
|
static void CDAudio_Eject(void)
|
|
{
|
|
if (cdfile == -1 || !enabled)
|
|
return;
|
|
|
|
if (ioctl(cdfile, CDROMEJECT) == -1)
|
|
IOCTL_FAILURE(CDROMEJECT);
|
|
}
|
|
|
|
static void CDAudio_CloseDoor(void)
|
|
{
|
|
if (cdfile == -1 || !enabled)
|
|
return;
|
|
|
|
if (ioctl(cdfile, CDROMCLOSETRAY) == -1)
|
|
IOCTL_FAILURE(CDROMCLOSETRAY);
|
|
}
|
|
|
|
static int CDAudio_GetAudioDiskInfo(void)
|
|
{
|
|
struct cdrom_tochdr tochdr;
|
|
|
|
if (cdfile == -1)
|
|
return -1;
|
|
|
|
cdValid = false;
|
|
|
|
if (ioctl(cdfile, CDROMREADTOCHDR, &tochdr) == -1)
|
|
{
|
|
IOCTL_FAILURE(CDROMREADTOCHDR);
|
|
return -1;
|
|
}
|
|
|
|
if (tochdr.cdth_trk0 < 1)
|
|
{
|
|
Con_DPrintf("CDAudio: no music tracks\n");
|
|
return -1;
|
|
}
|
|
|
|
cdValid = true;
|
|
maxTrack = tochdr.cdth_trk1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int CDAudio_Play(byte track, qboolean looping)
|
|
{
|
|
struct cdrom_tocentry entry;
|
|
struct cdrom_ti ti;
|
|
|
|
if (cdfile == -1 || !enabled)
|
|
return -1;
|
|
|
|
if (!cdValid)
|
|
{
|
|
CDAudio_GetAudioDiskInfo();
|
|
if (!cdValid)
|
|
return -1;
|
|
}
|
|
|
|
track = remap[track];
|
|
|
|
if (track < 1 || track > maxTrack)
|
|
{
|
|
Con_DPrintf("CDAudio: Bad track number %u.\n", track);
|
|
return -1;
|
|
}
|
|
|
|
/* don't try to play a non-audio track */
|
|
entry.cdte_track = track;
|
|
entry.cdte_format = CDROM_MSF;
|
|
if (ioctl(cdfile, CDROMREADTOCENTRY, &entry) == -1)
|
|
{
|
|
IOCTL_FAILURE(CDROMREADTOCENTRY);
|
|
return -1;
|
|
}
|
|
if (entry.cdte_ctrl == CDROM_DATA_TRACK)
|
|
{
|
|
Con_Printf("CDAudio: track %i is not audio\n", track);
|
|
return -1;
|
|
}
|
|
|
|
if (playing)
|
|
{
|
|
if (playTrack == track)
|
|
return 0;
|
|
CDAudio_Stop();
|
|
}
|
|
|
|
ti.cdti_trk0 = track;
|
|
ti.cdti_trk1 = track;
|
|
ti.cdti_ind0 = 1;
|
|
ti.cdti_ind1 = 99;
|
|
|
|
if (ioctl(cdfile, CDROMPLAYTRKIND, &ti) == -1)
|
|
{
|
|
IOCTL_FAILURE(CDROMPLAYTRKIND);
|
|
return -1;
|
|
}
|
|
|
|
if (ioctl(cdfile, CDROMRESUME) == -1)
|
|
{
|
|
IOCTL_FAILURE(CDROMRESUME);
|
|
return -1;
|
|
}
|
|
|
|
playLooping = looping;
|
|
playTrack = track;
|
|
playing = true;
|
|
|
|
if (bgmvolume.value == 0) /* don't bother advancing */
|
|
CDAudio_Pause ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
void CDAudio_Stop(void)
|
|
{
|
|
if (cdfile == -1 || !enabled)
|
|
return;
|
|
|
|
if (!playing)
|
|
return;
|
|
|
|
if (ioctl(cdfile, CDROMSTOP) == -1)
|
|
IOCTL_FAILURE(CDROMSTOP);
|
|
|
|
wasPlaying = false;
|
|
playing = false;
|
|
}
|
|
|
|
void CDAudio_Pause(void)
|
|
{
|
|
if (cdfile == -1 || !enabled)
|
|
return;
|
|
|
|
if (!playing)
|
|
return;
|
|
|
|
if (ioctl(cdfile, CDROMPAUSE) == -1)
|
|
IOCTL_FAILURE(CDROMPAUSE);
|
|
|
|
wasPlaying = playing;
|
|
playing = false;
|
|
}
|
|
|
|
void CDAudio_Resume(void)
|
|
{
|
|
if (cdfile == -1 || !enabled)
|
|
return;
|
|
|
|
if (!cdValid)
|
|
return;
|
|
|
|
if (!wasPlaying)
|
|
return;
|
|
|
|
if (ioctl(cdfile, CDROMRESUME) == -1)
|
|
IOCTL_FAILURE(CDROMRESUME);
|
|
playing = true;
|
|
}
|
|
|
|
static void CD_f (void)
|
|
{
|
|
const char *command;
|
|
int ret, n;
|
|
|
|
if (Cmd_Argc() < 2)
|
|
{
|
|
Con_Printf("commands:");
|
|
Con_Printf("on, off, reset, remap, \n");
|
|
Con_Printf("play, stop, loop, pause, resume\n");
|
|
Con_Printf("eject, close, info\n");
|
|
return;
|
|
}
|
|
|
|
command = Cmd_Argv (1);
|
|
|
|
if (Q_strcasecmp(command, "on") == 0)
|
|
{
|
|
enabled = true;
|
|
return;
|
|
}
|
|
|
|
if (Q_strcasecmp(command, "off") == 0)
|
|
{
|
|
if (playing)
|
|
CDAudio_Stop();
|
|
enabled = false;
|
|
return;
|
|
}
|
|
|
|
if (Q_strcasecmp(command, "reset") == 0)
|
|
{
|
|
enabled = true;
|
|
if (playing)
|
|
CDAudio_Stop();
|
|
for (n = 0; n < 100; n++)
|
|
remap[n] = n;
|
|
CDAudio_GetAudioDiskInfo();
|
|
return;
|
|
}
|
|
|
|
if (Q_strcasecmp(command, "remap") == 0)
|
|
{
|
|
ret = Cmd_Argc() - 2;
|
|
if (ret <= 0)
|
|
{
|
|
for (n = 1; n < 100; n++)
|
|
if (remap[n] != n)
|
|
Con_Printf(" %u -> %u\n", n, remap[n]);
|
|
return;
|
|
}
|
|
for (n = 1; n <= ret; n++)
|
|
remap[n] = atoi(Cmd_Argv (n+1));
|
|
return;
|
|
}
|
|
|
|
if (Q_strcasecmp(command, "close") == 0)
|
|
{
|
|
CDAudio_CloseDoor();
|
|
return;
|
|
}
|
|
|
|
if (!cdValid)
|
|
{
|
|
CDAudio_GetAudioDiskInfo();
|
|
if (!cdValid)
|
|
{
|
|
Con_Printf("No CD in player.\n");
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (Q_strcasecmp(command, "play") == 0)
|
|
{
|
|
CDAudio_Play((byte)atoi(Cmd_Argv (2)), false);
|
|
return;
|
|
}
|
|
|
|
if (Q_strcasecmp(command, "loop") == 0)
|
|
{
|
|
CDAudio_Play((byte)atoi(Cmd_Argv (2)), true);
|
|
return;
|
|
}
|
|
|
|
if (Q_strcasecmp(command, "stop") == 0)
|
|
{
|
|
CDAudio_Stop();
|
|
return;
|
|
}
|
|
|
|
if (Q_strcasecmp(command, "pause") == 0)
|
|
{
|
|
CDAudio_Pause();
|
|
return;
|
|
}
|
|
|
|
if (Q_strcasecmp(command, "resume") == 0)
|
|
{
|
|
CDAudio_Resume();
|
|
return;
|
|
}
|
|
|
|
if (Q_strcasecmp(command, "eject") == 0)
|
|
{
|
|
if (playing)
|
|
CDAudio_Stop();
|
|
CDAudio_Eject();
|
|
cdValid = false;
|
|
return;
|
|
}
|
|
|
|
if (Q_strcasecmp(command, "info") == 0)
|
|
{
|
|
Con_Printf("%u tracks\n", maxTrack);
|
|
if (playing)
|
|
Con_Printf("Currently %s track %u\n", playLooping ? "looping" : "playing", playTrack);
|
|
else if (wasPlaying)
|
|
Con_Printf("Paused %s track %u\n", playLooping ? "looping" : "playing", playTrack);
|
|
Con_Printf("Volume is %f\n", bgmvolume.value);
|
|
return;
|
|
}
|
|
}
|
|
|
|
static qboolean CD_GetVolume (struct cdrom_volctrl *vol)
|
|
{
|
|
if (ioctl(cdfile, CDROMVOLREAD, vol) == -1)
|
|
{
|
|
IOCTL_FAILURE(CDROMVOLREAD);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static qboolean CD_SetVolume (struct cdrom_volctrl *vol)
|
|
{
|
|
if (ioctl(cdfile, CDROMVOLCTRL, vol) == -1)
|
|
{
|
|
IOCTL_FAILURE(CDROMVOLCTRL);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static qboolean CDAudio_SetVolume (float value)
|
|
{
|
|
if (cdfile == -1 || !enabled)
|
|
return false;
|
|
|
|
old_cdvolume = value;
|
|
|
|
if (value == 0.0f)
|
|
CDAudio_Pause ();
|
|
else
|
|
CDAudio_Resume();
|
|
|
|
if (!hw_vol_works)
|
|
{
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
drv_vol.channel0 = drv_vol.channel2 =
|
|
drv_vol.channel1 = drv_vol.channel3 = value * 255.0f;
|
|
return CD_SetVolume (&drv_vol);
|
|
}
|
|
}
|
|
|
|
void CDAudio_Update(void)
|
|
{
|
|
struct cdrom_subchnl subchnl;
|
|
static time_t lastchk;
|
|
|
|
if (cdfile == -1 || !enabled)
|
|
return;
|
|
|
|
if (old_cdvolume != bgmvolume.value)
|
|
CDAudio_SetVolume (bgmvolume.value);
|
|
|
|
if (playing && lastchk < time(NULL))
|
|
{
|
|
lastchk = time(NULL) + 2; /* two seconds between chks */
|
|
subchnl.cdsc_format = CDROM_MSF;
|
|
if (ioctl(cdfile, CDROMSUBCHNL, &subchnl) == -1)
|
|
{
|
|
IOCTL_FAILURE(CDROMSUBCHNL);
|
|
playing = false;
|
|
return;
|
|
}
|
|
if (subchnl.cdsc_audiostatus != CDROM_AUDIO_PLAY &&
|
|
subchnl.cdsc_audiostatus != CDROM_AUDIO_PAUSED)
|
|
{
|
|
playing = false;
|
|
if (playLooping)
|
|
CDAudio_Play(playTrack, true);
|
|
}
|
|
else
|
|
{
|
|
playTrack = subchnl.cdsc_trk;
|
|
}
|
|
}
|
|
}
|
|
|
|
int CDAudio_Init(void)
|
|
{
|
|
int i;
|
|
|
|
if (safemode || COM_CheckParm("-nocdaudio"))
|
|
return -1;
|
|
|
|
if ((i = COM_CheckParm("-cddev")) != 0 && i < com_argc - 1)
|
|
cd_dev = com_argv[i + 1];
|
|
|
|
if ((cdfile = open(cd_dev, O_RDONLY | O_NONBLOCK)) == -1)
|
|
{
|
|
i = errno;
|
|
Con_Printf("CDAudio_Init: open of \"%s\" failed (%d: %s)\n",
|
|
cd_dev, i, strerror(i));
|
|
cdfile = -1;
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < 100; i++)
|
|
remap[i] = i;
|
|
initialized = true;
|
|
enabled = true;
|
|
old_cdvolume = bgmvolume.value;
|
|
|
|
Con_Printf("CDAudio initialized (using Linux ioctls)\n");
|
|
|
|
if (CDAudio_GetAudioDiskInfo())
|
|
{
|
|
Con_Printf("CDAudio_Init: No CD in drive\n");
|
|
cdValid = false;
|
|
}
|
|
|
|
Cmd_AddCommand ("cd", CD_f);
|
|
|
|
hw_vol_works = CD_GetVolume (&orig_vol);
|
|
if (hw_vol_works)
|
|
hw_vol_works = CDAudio_SetVolume (bgmvolume.value);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void CDAudio_Shutdown(void)
|
|
{
|
|
if (!initialized)
|
|
return;
|
|
CDAudio_Stop();
|
|
if (hw_vol_works)
|
|
CD_SetVolume (&orig_vol);
|
|
close(cdfile);
|
|
cdfile = -1;
|
|
}
|
|
|
|
#endif /* __USE_LINUX_CDROM__ */
|
|
|