SRB2/src/sdl/i_cdmus.c
2014-03-15 13:11:35 -04:00

588 lines
12 KiB
C

// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// Copyright (C) 1998-2000 by DooM Legacy Team.
//
// 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.
//-----------------------------------------------------------------------------
/// \file
/// \brief cd music interface
///
#ifdef SDL
#if defined (DC) || defined (_WIN32_WCE) || defined(GP2X) || defined(_PS3)
#define NOSDLCD
#endif
#include <stdlib.h>
#ifndef NOSDLCD
#ifdef _MSC_VER
#pragma warning(disable : 4214 4244)
#endif
#include "SDL.h"
#ifdef _MSC_VER
#pragma warning(default : 4214 4244)
#endif
#endif
#include "../doomtype.h"
#include "../i_sound.h"
#include "../command.h"
#include "../m_argv.h"
#include "../s_sound.h"
#define MAX_CD_TRACKS 256
#ifdef _XBOX
INT32 SDL_SYS_CDInit(void)
{
return(0);
}
void SDL_SYS_CDQuit(void)
{
return;
}
#endif
UINT8 cdaudio_started = 0; // for system startup/shutdown
consvar_t cd_volume = {"cd_volume","31",CV_SAVE,soundvolume_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cdUpdate = {"cd_update","1",CV_SAVE, NULL, NULL, 0, NULL, NULL, 0, 0, NULL};
#ifndef NOSDLCD
static SDL_bool cdValid = SDL_FALSE;
static SDL_bool cdPlaying = SDL_FALSE;
static SDL_bool wasPlaying = SDL_FALSE;
static SDL_bool cdEnabled = SDL_FALSE;
static SDL_bool playLooping = SDL_FALSE;
static Uint8 playTrack = 0;
static Uint8 maxTrack = MAX_CD_TRACKS-1;
static Uint8 cdRemap[MAX_CD_TRACKS];
static INT32 cdvolume = -1;
static SDL_CD *cdrom = NULL;
static CDstatus cdStatus = CD_ERROR;
/**************************************************************************
*
* function: CDAudio_GetAudioDiskInfo
*
* description:
* set number of tracks if CD is available
*
**************************************************************************/
static INT32 CDAudio_GetAudioDiskInfo(void)
{
cdValid = SDL_FALSE;
maxTrack = 0;
if (!cdrom)
return 0;//Alam: Lies!
cdStatus = SDL_CDStatus(cdrom);
if (!CD_INDRIVE(cdStatus))
{
CONS_Printf("%s", M_GetText("No CD in drive\n"));
return -1;
}
if (cdStatus == CD_ERROR)
{
CONS_Printf(M_GetText("CD Error: %s\n"), SDL_GetError());
return -1;
}
cdValid = SDL_TRUE;
maxTrack = (Uint8)cdrom->numtracks;
return 0;
}
/**************************************************************************
*
* function: I_EjectCD
*
* description:
*
*
**************************************************************************/
static void I_EjectCD(void)
{
if (!cdrom || !cdEnabled)
return; // no cd init'd
I_StopCD();
if (SDL_CDEject(cdrom))
CONS_Printf("%s", M_GetText("CD eject failed\n"));
}
/**************************************************************************
*
* function: Command_Cd_f
*
* description:
* handles all CD commands from the console
*
**************************************************************************/
static void Command_Cd_f (void)
{
const char *command;
size_t ret, n;
if (!cdaudio_started)
return;
if (COM_Argc() < 2)
{
CONS_Printf ("%s", M_GetText("cd [on] [off] [remap] [reset] [select]\n"
" [open] [info] [play <track>] [resume]\n"
" [stop] [pause] [loop <track>]\n"));
return;
}
command = COM_Argv (1);
if (!strncmp(command, "on", 2))
{
cdEnabled = SDL_TRUE;
return;
}
if (!strncmp(command, "off", 3))
{
I_StopCD();
cdEnabled = SDL_FALSE;
return;
}
if (!strncmp(command, "select", 6))
{
INT32 newcddrive;
newcddrive = atoi(COM_Argv(2));
command = SDL_CDName(newcddrive);
I_StopCD();
cdEnabled = SDL_FALSE;
SDL_CDClose(cdrom);
cdrom = SDL_CDOpen(newcddrive);
if (cdrom)
{
cdEnabled = SDL_TRUE;
CONS_Printf(M_GetText("Opened CD-ROM drive %s\n"), command ? command : COM_Argv(2));
}
else CONS_Printf(M_GetText("Couldn't open CD-ROM drive %s: %s\n"), command ? command : COM_Argv(2), SDL_GetError());
return;
}
if (!strncmp(command, "remap", 5))
{
ret = COM_Argc() - 2;
if (ret <= 0)
{
for (n = 1; n < MAX_CD_TRACKS; n++)
{
if (cdRemap[n] != n)
CONS_Printf(" %s -> %u\n", sizeu1(n), cdRemap[n]);
}
return;
}
for (n = 1; n <= ret; n++)
cdRemap[n] = (Uint8)atoi(COM_Argv (n+1));
return;
}
if (!strncmp(command, "reset", 5))
{
if (!cdrom) return;
cdEnabled = SDL_TRUE;
I_StopCD();
for (n = 0; n < MAX_CD_TRACKS; n++)
cdRemap[n] = (Uint8)n;
CDAudio_GetAudioDiskInfo();
return;
}
if (!cdValid)
{
if (CDAudio_GetAudioDiskInfo()==-1 && !cdValid)
{
CONS_Printf("%s", M_GetText("No CD in drive\n"));
return;
}
}
if (!strncmp(command, "open", 4))
{
I_EjectCD();
cdValid = SDL_FALSE;
return;
}
if (!strncmp(command, "info", 4))
{
CONS_Printf(M_GetText("%u tracks\n"), maxTrack);
if (cdPlaying)
CONS_Printf(M_GetText("Currently %s track %u\n"), playLooping ? M_GetText("looping") : M_GetText("playing"), playTrack);
else if (wasPlaying)
CONS_Printf(M_GetText("Paused %s track %u\n"), playLooping ? M_GetText("looping") : M_GetText("playing"), playTrack);
CONS_Printf(M_GetText("Volume is %d\n"), cdvolume);
return;
}
if (!strncmp(command, "play", 4))
{
I_PlayCD((UINT8)atoi(COM_Argv (2)), SDL_FALSE);
return;
}
if (!strncmp(command, "loop", 4))
{
I_PlayCD((UINT8)atoi(COM_Argv (2)), true);
return;
}
if (!strncmp(command, "stop", 4))
{
I_StopCD();
return;
}
if (!strncmp(command, "pause", 5))
{
I_PauseCD();
return;
}
if (!strncmp(command, "resume", 6))
{
I_ResumeCD();
return;
}
CONS_Printf(M_GetText("Invalid CD command \"CD %s\"\n"), COM_Argv(1));
}
#endif
/**************************************************************************
*
* function: StopCD
*
* description:
*
*
**************************************************************************/
void I_StopCD(void)
{
#ifndef NOSDLCD
if (!cdrom || !cdEnabled)
return;
if (!(cdPlaying || wasPlaying))
return;
if (SDL_CDStop(cdrom))
I_OutputMsg("cdromstop failed\n");
wasPlaying = SDL_FALSE;
cdPlaying = SDL_FALSE;
#endif
}
/**************************************************************************
*
* function: PauseCD
*
* description:
*
*
**************************************************************************/
void I_PauseCD (void)
{
#ifndef NOSDLCD
if (!cdrom || !cdEnabled)
return;
if (!cdPlaying)
return;
if (SDL_CDPause(cdrom))
I_OutputMsg("cdrompause failed\n");
wasPlaying = cdPlaying;
cdPlaying = SDL_FALSE;
#endif
}
/**************************************************************************
*
* function: ResumeCD
*
* description:
*
*
**************************************************************************/
// continue after a pause
void I_ResumeCD (void)
{
#ifndef NOSDLCD
if (!cdrom || !cdEnabled)
return;
if (!cdValid)
return;
if (!wasPlaying)
return;
if (cd_volume.value == 0)
return;
if (SDL_CDResume(cdrom))
I_OutputMsg("cdromresume failed\n");
cdPlaying = SDL_TRUE;
wasPlaying = SDL_FALSE;
#endif
}
/**************************************************************************
*
* function: ShutdownCD
*
* description:
*
*
**************************************************************************/
void I_ShutdownCD (void)
{
#ifndef NOSDLCD
if (!cdaudio_started)
return;
I_StopCD();
CONS_Printf("I_ShutdownCD: ");
SDL_CDClose(cdrom);
cdrom = NULL;
cdaudio_started = false;
CONS_Printf("%s", M_GetText("shut down\n"));
SDL_QuitSubSystem(SDL_INIT_CDROM);
cdEnabled = SDL_FALSE;
#endif
}
/**************************************************************************
*
* function: InitCD
*
* description:
* Initialize the first CD drive SDL detects and add console command 'cd'
*
**************************************************************************/
void I_InitCD (void)
{
#ifndef NOSDLCD
INT32 i;
// Has been checked in d_main.c, but doesn't hurt here
if (M_CheckParm ("-nocd"))
return;
CONS_Printf("%s", M_GetText("I_InitCD: Init CD audio\n"));
// Initialize SDL first
if (SDL_InitSubSystem(SDL_INIT_CDROM) < 0)
{
CONS_Printf(M_GetText("Couldn't initialize SDL CDROM: %s\n"), SDL_GetError());
return;
}
// Open drive
cdrom = SDL_CDOpen(0);
if (!cdrom)
{
const char *cdName = SDL_CDName(0);
if (!cdName)
CONS_Printf(M_GetText("Couldn't open CD-ROM drive %s: %s\n"), "\b", SDL_GetError());
else
CONS_Printf(M_GetText("Couldn't open CD-ROM drive %s: %s\n"), cdName, SDL_GetError());
//return;
}
for (i = 0; i < MAX_CD_TRACKS; i++)
cdRemap[i] = (Uint8)i;
cdaudio_started = true;
if (cdrom) cdEnabled = SDL_TRUE;
if (CDAudio_GetAudioDiskInfo()==-1)
{
CONS_Printf("%s", M_GetText("No CD in drive\n"));
cdValid = SDL_FALSE;
}
COM_AddCommand ("cd", Command_Cd_f);
CONS_Printf("%s", M_GetText("CD audio Initialized\n"));
#endif
}
//
/**************************************************************************
*
* function: UpdateCD
*
* description:
* sets CD volume (may have changed) and initiates play evey 2 seconds
* in case the song has elapsed
*
**************************************************************************/
void I_UpdateCD (void)
{
#ifndef NOSDLCD
static Uint32 lastchk = 0;
if (!cdEnabled || !cdrom)
return;
I_SetVolumeCD(cd_volume.value);
if (cdPlaying && lastchk < SDL_GetTicks())
{
lastchk = SDL_GetTicks() + 2000; //two seconds between chks
if (CDAudio_GetAudioDiskInfo()==-1)
{
cdPlaying = SDL_FALSE;
return;
}
if (cdStatus != CD_PLAYING && cdStatus != CD_PAUSED)
{
cdPlaying = SDL_FALSE;
if (playLooping)
I_PlayCD(playTrack, true);
}
}
#endif
}
/**************************************************************************
*
* function: PlayCD
*
* description:
* play the requested track and set the looping flag
* pauses the CD if volume is 0
*
**************************************************************************/
void I_PlayCD (UINT8 track, UINT8 looping)
{
#ifdef NOSDLCD
(void)track;
(void)looping;
#else
if (!cdrom || !cdEnabled)
return;
if (!cdValid)
{
CDAudio_GetAudioDiskInfo();
if (!cdValid)
return;
}
track = cdRemap[track];
if (track < 1 || track > maxTrack)
{
CONS_Printf(M_GetText("Bad track number %u.\n"), track);
return;
}
// don't try to play a non-audio track
if (cdrom->track[track].type == SDL_DATA_TRACK)
{
CONS_Printf(M_GetText("Track %u is not audio\n"), track);
return;
}
if (cdPlaying)
{
if (playTrack == track)
return;
I_StopCD();
}
if (SDL_CDPlayTracks(cdrom, track, 0, 1, 0))
{
CONS_Printf(M_GetText("Error playing track %d: %s\n"), track, SDL_GetError());
return;
}
playLooping = looping;
playTrack = (Uint8)track;
cdPlaying = SDL_TRUE;
if (cd_volume.value == 0)
I_PauseCD();
#endif
}
/**************************************************************************
*
* function: SetVolumeCD
*
* description:
* SDL does not support setting the CD volume
* use pause instead and toggle between full and no music
*
**************************************************************************/
boolean I_SetVolumeCD (INT32 volume)
{
#ifdef NOSDLCD
(void)volume;
#else
if (volume != cdvolume)
{
if (volume > 0 && volume < 16)
{
CV_SetValue(&cd_volume, 31);
cdvolume = 31;
I_ResumeCD();
}
else if (volume > 15 && volume < 31)
{
CV_SetValue(&cd_volume, 0);
cdvolume = 0;
I_PauseCD();
}
}
#endif
return false;
}
#endif