/*
cd_sdl.c
SDL CD audio routines
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: cd_sdl.c,v 1.1.1.1 2001/03/06 09:32:24 lordhavoc Exp $
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_WINDOWS_H
# include <windows.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <SDL.h>
#include "cdaudio.h"
#include "cmd.h"
#include "console.h"
#include "qargs.h"
#include "sound.h"
static qboolean cdValid = false;
static qboolean initialized = false;
static qboolean enabled = true;
static qboolean playLooping = false;
static SDL_CD *cd_id;
static float cdvolume = 1.0;
static void CD_f (void);
static void
CDAudio_Eject (void)
{
if (!cd_id || !enabled)
return;
if (SDL_CDEject (cd_id))
Con_DPrintf ("Unable to eject CD-ROM tray.\n");
}
void
CDAudio_Play (byte track, qboolean looping)
{
/* Initialize cd_stat to avoid warning */
/* XXX - Does this default value make sense? */
CDstatus cd_stat = CD_ERROR;
if (!cd_id || !enabled)
return;
if (!cdValid) {
if (!CD_INDRIVE (cd_stat = SDL_CDStatus (cd_id)) || (!cd_id->numtracks))
return;
cdValid = true;
}
if ((track < 1) || (track >= cd_id->numtracks)) {
Con_DPrintf ("CDAudio: Bad track number: %d\n", track);
return;
}
track--; /* Convert track from person to SDL
value */
if (cd_stat == CD_PLAYING) {
if (cd_id->cur_track == track)
return;
CDAudio_Stop ();
}
if (SDL_CDPlay (cd_id, cd_id->track[track].offset,
cd_id->track[track].length)) {
Con_DPrintf ("CDAudio_Play: Unable to play track: %d\n", track + 1);
return;
}
playLooping = looping;
}
void
CDAudio_Stop (void)
{
int cdstate;
if (!cd_id || !enabled)
return;
cdstate = SDL_CDStatus (cd_id);
if ((cdstate != CD_PLAYING) && (cdstate != CD_PAUSED))
return;
if (SDL_CDStop (cd_id))
Con_DPrintf ("CDAudio_Stop: Failed to stop track.\n");
}
void
CDAudio_Pause (void)
{
if (!cd_id || !enabled)
return;
if (SDL_CDStatus (cd_id) != CD_PLAYING)
return;
if (SDL_CDPause (cd_id))
Con_DPrintf ("CDAudio_Pause: Failed to pause track.\n");
}
void
CDAudio_Resume (void)
{
if (!cd_id || !enabled)
return;
if (SDL_CDStatus (cd_id) != CD_PAUSED)
return;
if (SDL_CDResume (cd_id))
Con_DPrintf ("CDAudio_Resume: Failed tp resume track.\n");
}
void
CDAudio_Update (void)
{
if (!cd_id || !enabled)
return;
if (bgmvolume->value != cdvolume) {
if (cdvolume) {
Cvar_SetValue (bgmvolume, 0.0);
CDAudio_Pause ();
} else {
Cvar_SetValue (bgmvolume, 1.0);
CDAudio_Resume ();
}
cdvolume = bgmvolume->value;
return;
}
if (playLooping && (SDL_CDStatus (cd_id) != CD_PLAYING)
&& (SDL_CDStatus (cd_id) != CD_PAUSED))
CDAudio_Play (cd_id->cur_track + 1, true);
}
int
CDAudio_Init (void)
{
#ifdef UQUAKE
if (cls.state == ca_dedicated)
return -1;
#endif
if (COM_CheckParm ("-nocdaudio"))
return -1;
if (SDL_Init (SDL_INIT_CDROM) < 0) {
Con_Printf ("Couldn't initialize SDL CD-AUDIO: %s\n", SDL_GetError ());
return -1;
}
cd_id = SDL_CDOpen (0);
if (!cd_id) {
Con_Printf ("CDAudio_Init: Unable to open default CD-ROM drive: %s\n",
SDL_GetError ());
return -1;
}
initialized = true;
enabled = true;
cdValid = true;
if (!CD_INDRIVE (SDL_CDStatus (cd_id))) {
Con_Printf ("CDAudio_Init: No CD in drive.\n");
cdValid = false;
}
if (!cd_id->numtracks) {
Con_Printf ("CDAudio_Init: CD contains no audio tracks.\n");
cdValid = false;
}
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 (!cd_id)
return;
CDAudio_Stop ();
SDL_CDClose (cd_id);
cd_id = NULL;
}
#define CD_f_DEFINED
static void
CD_f (void)
{
char *command;
int cdstate;
if (Cmd_Argc () < 2)
return;
command = Cmd_Argv (1);
if (!strcasecmp (command, "on")) {
enabled = true;
}
if (!strcasecmp (command, "off")) {
if (!cd_id)
return;
cdstate = SDL_CDStatus (cd_id);
if ((cdstate == CD_PLAYING) || (cdstate == CD_PAUSED))
CDAudio_Stop ();
enabled = false;
return;
}
if (!strcasecmp (command, "play")) {
CDAudio_Play (atoi (Cmd_Argv (2)), false);
return;
}
if (!strcasecmp (command, "loop")) {
CDAudio_Play (atoi (Cmd_Argv (2)), true);
return;
}
if (!strcasecmp (command, "stop")) {
CDAudio_Stop ();
return;
}
if (!strcasecmp (command, "pause")) {
CDAudio_Pause ();
return;
}
if (!strcasecmp (command, "resume")) {
CDAudio_Resume ();
return;
}
if (!strcasecmp (command, "eject")) {
CDAudio_Eject ();
return;
}
if (!strcasecmp (command, "info")) {
if (!cd_id)
return;
cdstate = SDL_CDStatus (cd_id);
Con_Printf ("%d tracks\n", cd_id->numtracks);
if (cdstate == CD_PLAYING)
Con_Printf ("Currently %s track %d\n",
playLooping ? "looping" : "playing",
cd_id->cur_track + 1);
else if (cdstate == CD_PAUSED)
Con_Printf ("Paused %s track %d\n",
playLooping ? "looping" : "playing",
cd_id->cur_track + 1);
return;
}
}
