quakeforge/qw/source/cd_sgi.c

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/*
cd_sgi.c
audio cd playback support for sgi irix machines
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
$Id$
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <sys/types.h>
#include <errno.h>
#include <dmedia/cdaudio.h>
#include "cdaudio.h"
#include "cmd.h"
#include "console.h"
#include "qargs.h"
#include "sound.h"
static qboolean initialized = false;
static qboolean enabled = true;
static qboolean playLooping = false;
static float cdvolume;
static byte remap[100];
static byte playTrack;
static char cd_dev[64] = "/dev/cdrom";
static CDPLAYER *cdp = NULL;
static void
CDAudio_Eject (void)
{
if (cdp == NULL || !enabled)
return; // no cd init'd
if (CDeject (cdp) == 0)
Con_DPrintf ("CDAudio_Eject: CDeject failed\n");
}
static int
CDAudio_GetState (void)
{
CDSTATUS cds;
if (cdp == NULL || !enabled)
return -1; // no cd init'd
if (CDgetstatus (cdp, &cds) == 0) {
Con_DPrintf ("CDAudio_GetStatus: CDgetstatus failed\n");
return -1;
}
return cds.state;
}
static int
CDAudio_MaxTrack (void)
{
CDSTATUS cds;
if (cdp == NULL || !enabled)
return -1; // no cd init'd
if (CDgetstatus (cdp, &cds) == 0) {
Con_DPrintf ("CDAudio_MaxTrack: CDgetstatus failed\n");
return -1;
}
return cds.last;
}
void
CDAudio_Play (byte track, qboolean looping)
{
int maxtrack = CDAudio_MaxTrack ();
if (!initialized || !enabled)
return;
/* cd == audio cd? */
if (CDAudio_GetState () != CD_READY) {
Con_Printf ("CDAudio_Play: CD in player not an audio CD.\n");
return;
}
if (maxtrack < 0) {
Con_DPrintf ("CDAudio_Play: Error getting maximum track number\n");
return;
}
track = remap[track];
if (track < 1 || track > maxtrack) {
Con_DPrintf ("CDAudio_Play: Bad track number %u.\n", track);
return;
}
// don't try to play a non-audio track
/* mw: how to do this on irix? entry0.cdte_track = track;
entry0.cdte_format = CDROM_MSF; if ( ioctl(cdfile, CDROMREADTOCENTRY,
&entry0) == -1 ) { Con_DPrintf("CDAudio: ioctl cdromreadtocentry
failed\n"); return; }
entry1.cdte_track = track + 1; entry1.cdte_format = CDROM_MSF; if
(entry1.cdte_track > maxTrack) { entry1.cdte_track = CDROM_LEADOUT; }
if ( ioctl(cdfile, CDROMREADTOCENTRY, &entry1) == -1 ) {
Con_DPrintf("CDAudio: ioctl cdromreadtocentry failed\n"); return; }
if (entry0.cdte_ctrl == CDROM_DATA_TRACK) { Con_Printf("track %i is
not audio\n", track); return; } */
if (CDAudio_GetState () == CD_PLAYING) {
if (playTrack == track)
return;
CDAudio_Stop ();
}
if (CDplaytrack (cdp, track, cdvolume == 0.0 ? 0 : 1) == 0) {
Con_DPrintf ("CDAudio_Play: CDplay failed (%d)\n", errno);
return;
}
playLooping = looping;
playTrack = track;
}
void
CDAudio_Stop (void)
{
if (cdp == NULL || !enabled || CDAudio_GetState () != CD_PLAYING)
return;
if (CDstop (cdp) == 0)
Con_DPrintf ("CDAudio_Stop: CDStop failed (%d)\n", errno);
}
void
CDAudio_Pause (void)
{
if (cdp == NULL || !enabled || CDAudio_GetState () != CD_PLAYING)
return;
if (CDtogglepause (cdp) == 0)
Con_DPrintf ("CDAudio_PAUSE: CDtogglepause failed (%d)\n", errno);
}
void
CDAudio_Resume (void)
{
if (cdp == NULL || !enabled || CDAudio_GetState () != CD_PAUSED)
return;
if (CDtogglepause (cdp) == 0)
Con_DPrintf ("CDAudio_Resume: CDtogglepause failed (%d)\n", errno);
}
static void
CD_f (void)
{
char *command;
int ret;
int n;
if (Cmd_Argc () < 2)
return;
command = Cmd_Argv (1);
if (strcasecmp (command, "on") == 0) {
enabled = true;
return;
}
if (strcasecmp (command, "off") == 0) {
CDAudio_Stop ();
enabled = false;
return;
}
if (strcasecmp (command, "reset") == 0) {
enabled = true;
CDAudio_Stop ();
for (n = 0; n < 100; n++)
remap[n] = n;
return;
}
if (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 (strcasecmp (command, "play") == 0) {
CDAudio_Play ((byte) atoi (Cmd_Argv (2)), false);
return;
}
if (strcasecmp (command, "loop") == 0) {
CDAudio_Play ((byte) atoi (Cmd_Argv (2)), true);
return;
}
if (strcasecmp (command, "stop") == 0) {
CDAudio_Stop ();
return;
}
if (strcasecmp (command, "pause") == 0) {
CDAudio_Pause ();
return;
}
if (strcasecmp (command, "resume") == 0) {
CDAudio_Resume ();
return;
}
if (strcasecmp (command, "eject") == 0) {
CDAudio_Stop ();
CDAudio_Eject ();
return;
}
if (strcasecmp (command, "info") == 0) {
Con_Printf ("%u tracks\n", CDAudio_MaxTrack ());
if (CDAudio_GetState () == CD_PLAYING)
Con_Printf ("Currently %s track %u\n",
playLooping ? "looping" : "playing", playTrack);
else if (CDAudio_GetState () == CD_PAUSED)
Con_Printf ("Paused %s track %u\n",
playLooping ? "looping" : "playing", playTrack);
Con_Printf ("Volume is %g\n", cdvolume);
return;
}
}
void
CDAudio_Update (void)
{
if (!initialized || !enabled)
return;
if (bgmvolume->value != cdvolume) {
if (cdvolume) {
Cvar_SetValue (bgmvolume, 0.0);
cdvolume = bgmvolume->value;
CDAudio_Pause ();
} else {
Cvar_SetValue (bgmvolume, 1.0);
cdvolume = bgmvolume->value;
CDAudio_Resume ();
}
}
if (CDAudio_GetState () != CD_PLAYING &&
CDAudio_GetState () != CD_PAUSED && playLooping)
CDAudio_Play (playTrack, true);
}
int
CDAudio_Init (void)
{
int i;
if (COM_CheckParm ("-nocdaudio"))
return -1;
if ((i = COM_CheckParm ("-cddev")) != 0 && i < com_argc - 1) {
strncpy (cd_dev, com_argv[i + 1], sizeof (cd_dev));
cd_dev[sizeof (cd_dev) - 1] = 0;
}
cdp = CDopen (cd_dev, "r");
if (cdp == NULL) {
Con_Printf ("CDAudio_Init: open of \"%s\" failed (%i)\n",
cd_dev, errno);
return -1;
}
for (i = 0; i < 100; i++)
remap[i] = i;
initialized = true;
enabled = true;
Cmd_AddCommand ("cd", CD_f, "Control the CD player.\n"
"Commands:\n"
"eject - Eject the CD.\n"
"info - Reports information on the CD.\n"
"loop (track number) - Loops the specified track.\n"
"remap (track1) (track2) ... - Remap the current track order.\n"
"reset - Causes the CD audio to re-initialize.\n"
"resume - Will resume playback after pause.\n"
"off - Shuts down the CD audio system..\n"
"on - Re-enables the CD audio system after a cd off command.\n"
"pause - Pause the CD playback.\n"
"play (track number) - Plays the specified track one time.\n"
"stop - Stops the currently playing track.");
Con_Printf ("CD Audio Initialized\n");
return 0;
}
void
CDAudio_Shutdown (void)
{
if (!initialized)
return;
CDAudio_Stop ();
CDclose (cdp);
cdp = NULL;
initialized = false;
}
/* end of file */