music.c
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SDL_mixer: An audio mixer library based on the SDL library
Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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This library 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
Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Sam Lantinga
slouken@libsdl.org
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*/
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/* $Id$ */
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#include <stdlib.h>
#include <string.h>
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#include <ctype.h>
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#include "SDL_endian.h"
#include "SDL_audio.h"
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#include "SDL_timer.h"
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#include "SDL_mixer.h"
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/* The music command hack is UNIX specific */
#ifndef unix
#undef CMD_MUSIC
#endif
#ifdef CMD_MUSIC
#include "music_cmd.h"
#endif
#ifdef WAV_MUSIC
#include "wavestream.h"
#endif
#ifdef MOD_MUSIC
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# include "mikmod.h"
# if defined(LIBMIKMOD_VERSION) /* libmikmod 3.1.8 */
# define UNIMOD MODULE
# define MikMod_Init() MikMod_Init(NULL)
# define MikMod_LoadSong(a,b) Player_Load(a,b,0)
# define MikMod_FreeSong Player_Free
extern int MikMod_errno;
# else /* old MikMod 3.0.3 */
# define MikMod_strerror(x) _mm_errmsg[x])
# define MikMod_errno _mm_errno
# endif
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#endif
#ifdef MID_MUSIC
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# ifdef USE_TIMIDITY_MIDI
# include "timidity.h"
# endif
# ifdef USE_NATIVE_MIDI
# include "native_midi.h"
# endif
# if defined(USE_TIMIDITY_MIDI) && defined(USE_NATIVE_MIDI)
# define MIDI_ELSE else
# else
# define MIDI_ELSE
# endif
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#endif
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#ifdef OGG_MUSIC
#include "music_ogg.h"
#endif
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#ifdef MP3_MUSIC
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#include "smpeg.h"
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static SDL_AudioSpec used_mixer;
#endif
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int volatile music_active = 1;
static int volatile music_stopped = 0;
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static int music_loops = 0;
static char *music_cmd = NULL;
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static Mix_Music * volatile music_playing = NULL;
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static int music_volume = MIX_MAX_VOLUME;
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static int music_swap8;
static int music_swap16;
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struct _Mix_Music {
enum {
MUS_CMD,
MUS_WAV,
MUS_MOD,
MUS_MID,
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MUS_OGG,
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MUS_MP3
} type;
union {
#ifdef CMD_MUSIC
MusicCMD *cmd;
#endif
#ifdef WAV_MUSIC
WAVStream *wave;
#endif
#ifdef MOD_MUSIC
UNIMOD *module;
#endif
#ifdef MID_MUSIC
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#ifdef USE_TIMIDITY_MIDI
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MidiSong *midi;
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#ifdef USE_NATIVE_MIDI
NativeMidiSong *nativemidi;
#endif
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#endif
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#ifdef OGG_MUSIC
OGG_music *ogg;
#endif
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#ifdef MP3_MUSIC
SMPEG *mp3;
#endif
} data;
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Mix_Fading fading;
int fade_volume;
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int fade_step;
int fade_steps;
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int error;
};
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#ifdef MID_MUSIC
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#ifdef USE_TIMIDITY_MIDI
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static int timidity_ok;
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static int samplesize;
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#ifdef USE_NATIVE_MIDI
static int native_midi_ok;
#endif
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/* Used to calculate fading steps */
static int ms_per_step;
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/* Local low-level functions prototypes */
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static void lowlevel_halt(void);
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static int lowlevel_play(Mix_Music *music);
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/* Support for hooking when the music has finished */
static void (*music_finished_hook)(void) = NULL;
void Mix_HookMusicFinished(void (*music_finished)(void))
{
SDL_LockAudio();
music_finished_hook = music_finished;
SDL_UnlockAudio();
}
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/* Mixing function */
void music_mixer(void *udata, Uint8 *stream, int len)
{
if ( music_playing ) {
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if ( music_stopped ) {
/* To avoid concurrency problems and the use of mutexes,
the music is always stopped from the sound thread */
lowlevel_halt(); /* This function sets music_playing to NULL */
return;
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/* Handle fading */
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if ( music_playing->fading != MIX_NO_FADING ) {
if ( music_playing->fade_step++ < music_playing->fade_steps ) {
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int fade_volume = music_playing->fade_volume;
int fade_step = music_playing->fade_step;
int fade_steps = music_playing->fade_steps;
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if ( music_playing->fading == MIX_FADING_OUT ) {
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Mix_VolumeMusic((fade_volume * (fade_steps-fade_step))
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/ fade_steps);
} else { /* Fading in */
Mix_VolumeMusic((fade_volume * fade_step) / fade_steps);
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}
} else {
if ( music_playing->fading == MIX_FADING_OUT ) {
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lowlevel_halt();
return;
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music_playing->fading = MIX_NO_FADING;
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/* Restart music if it has to loop */
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if ( !Mix_PlayingMusic() ) {
/* Restart music if it has to loop */
if ( music_loops && --music_loops ) {
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Mix_RewindMusic();
if ( lowlevel_play(music_playing) < 0 ) {
fprintf(stderr,"Warning: Music restart failed.\n");
music_stopped = 1; /* Something went wrong */
music_playing->fading = MIX_NO_FADING;
}
}
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else if (music_finished_hook) {
lowlevel_halt();
music_finished_hook();
return;
}
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if ( music_volume <= 0 ) { /* Don't mix if volume is null */
return;
}
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switch (music_playing->type) {
#ifdef CMD_MUSIC
case MUS_CMD:
/* The playing is done externally */
break;
#endif
#ifdef WAV_MUSIC
case MUS_WAV:
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WAVStream_PlaySome(stream, len);
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break;
#endif
#ifdef MOD_MUSIC
case MUS_MOD:
VC_WriteBytes((SBYTE *)stream, len);
if ( music_swap8 ) {
Uint8 *dst;
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dst = stream;
for ( i=len; i; --i ) {
*dst++ ^= 0x80;
}
} else
if ( music_swap16 ) {
Uint8 *dst, tmp;
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dst = stream;
for ( i=(len/2); i; --i ) {
tmp = dst[0];
dst[0] = dst[1];
dst[1] = tmp;
dst += 2;
}
}
break;
#endif
#ifdef MID_MUSIC
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#ifdef USE_TIMIDITY_MIDI
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case MUS_MID:
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if ( timidity_ok ) {
int samples = len / samplesize;
Timidity_PlaySome(stream, samples);
}
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break;
#endif
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#ifdef OGG_MUSIC
case MUS_OGG:
OGG_playAudio(music_playing->data.ogg, stream, len);
break;
#endif
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#ifdef MP3_MUSIC
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case MUS_MP3:
SMPEG_playAudio(music_playing->data.mp3, stream, len);
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break;
#endif
default:
/* Unknown music type?? */
break;
}
}
}
/* Initialize the music players with a certain desired audio format */
int open_music(SDL_AudioSpec *mixer)
{
int music_error;
music_error = 0;
#ifdef WAV_MUSIC
if ( WAVStream_Init(mixer) < 0 ) {
++music_error;
}
#endif
#ifdef MOD_MUSIC
/* Set the MikMod music format */
music_swap8 = 0;
music_swap16 = 0;
switch (mixer->format) {
case AUDIO_U8:
case AUDIO_S8: {
if ( mixer->format == AUDIO_S8 ) {
music_swap8 = 1;
}
md_mode = 0;
}
break;
case AUDIO_S16LSB:
case AUDIO_S16MSB: {
/* See if we need to correct MikMod mixing */
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
if ( mixer->format == AUDIO_S16MSB ) {
#else
if ( mixer->format == AUDIO_S16LSB ) {
#endif
music_swap16 = 1;
}
md_mode = DMODE_16BITS;
}
break;
default: {
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Mix_SetError("Unknown hardware audio format");
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++music_error;
}
}
if ( mixer->channels > 1 ) {
if ( mixer->channels > 2 ) {
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Mix_SetError("Hardware uses more channels than mixer");
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++music_error;
}
md_mode |= DMODE_STEREO;
}
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md_mixfreq = mixer->freq;
md_device = 0;
md_volume = 96;
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md_musicvolume = 128;
md_sndfxvolume = 128;
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md_pansep = 128;
md_reverb = 0;
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MikMod_RegisterAllLoaders();
MikMod_RegisterAllDrivers();
if ( MikMod_Init() ) {
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Mix_SetError("%s", MikMod_strerror(MikMod_errno));
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++music_error;
}
#endif
#ifdef MID_MUSIC
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#ifdef USE_TIMIDITY_MIDI
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samplesize = mixer->size / mixer->samples;
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if ( Timidity_Init(mixer->freq, mixer->format,
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mixer->channels, mixer->samples) == 0 ) {
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timidity_ok = 1;
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} else {
timidity_ok = 0;
}
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#ifdef USE_NATIVE_MIDI
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#ifdef USE_TIMIDITY_MIDI
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native_midi_ok = !timidity_ok;
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if ( native_midi_ok )
#endif
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native_midi_ok = native_midi_detect();
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#endif
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#ifdef OGG_MUSIC
if ( OGG_init(mixer) < 0 ) {
++music_error;
}
#endif
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#ifdef MP3_MUSIC
/* Keep a copy of the mixer */
used_mixer = *mixer;
#endif
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music_playing = NULL;
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music_stopped = 0;
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if ( music_error ) {
return(-1);
}
Mix_VolumeMusic(SDL_MIX_MAXVOLUME);
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/* Calculate the number of ms for each callback */
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ms_per_step = (int) (((float)mixer->samples * 1000.0) / mixer->freq);
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return(0);
}
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/* Portable case-insensitive string compare function */
int MIX_string_equals(const char *str1, const char *str2)
{
while ( *str1 && *str2 ) {
if ( toupper((unsigned char)*str1) !=
toupper((unsigned char)*str2) )
break;
++str1;
++str2;
}
return (!*str1 && !*str2);
}
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/* Load a music file */
Mix_Music *Mix_LoadMUS(const char *file)
{
FILE *fp;
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char *ext;
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Uint8 magic[5];
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Mix_Music *music;
/* Figure out what kind of file this is */
fp = fopen(file, "rb");
if ( (fp == NULL) || !fread(magic, 4, 1, fp) ) {
if ( fp != NULL ) {
fclose(fp);
}
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Mix_SetError("Couldn't read from '%s'", file);
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return(NULL);
}
magic[4] = '\0';
fclose(fp);
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/* Figure out the file extension, so we can determine the type */
ext = strrchr(file, '.');
if ( ext ) ++ext; /* skip the dot in the extension */
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/* Allocate memory for the music structure */
music = (Mix_Music *)malloc(sizeof(Mix_Music));
if ( music == NULL ) {
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Mix_SetError("Out of memory");
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return(NULL);
}
music->error = 0;
#ifdef CMD_MUSIC
if ( music_cmd ) {
music->type = MUS_CMD;
music->data.cmd = MusicCMD_LoadSong(music_cmd, file);
if ( music->data.cmd == NULL ) {
music->error = 1;
}
} else
#endif
#ifdef WAV_MUSIC
/* WAVE files have the magic four bytes "RIFF"
AIFF files have the magic 12 bytes "FORM" XXXX "AIFF"
*/
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if ( (ext && MIX_string_equals(ext, "WAV")) ||
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(strcmp((char *)magic, "RIFF") == 0) ||
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(strcmp((char *)magic, "FORM") == 0) ) {
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music->type = MUS_WAV;
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music->data.wave = WAVStream_LoadSong(file, (char *)magic);
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if ( music->data.wave == NULL ) {
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Mix_SetError("Unable to load WAV file");
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music->error = 1;
}
} else
#endif
#ifdef MID_MUSIC
/* MIDI files have the magic four bytes "MThd" */
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if ( (ext && MIX_string_equals(ext, "MID")) ||
(ext && MIX_string_equals(ext, "MIDI")) ||
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strcmp((char *)magic, "MThd") == 0 ) {
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music->type = MUS_MID;
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#ifdef USE_NATIVE_MIDI
if ( native_midi_ok ) {
music->data.nativemidi = native_midi_loadsong((char *)file);
if ( music->data.nativemidi == NULL ) {
Mix_SetError("%s", native_midi_error());
music->error = 1;
}
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} MIDI_ELSE
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#ifdef USE_TIMIDITY_MIDI
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if ( timidity_ok ) {
music->data.midi = Timidity_LoadSong((char *)file);
if ( music->data.midi == NULL ) {
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Mix_SetError("%s", Timidity_Error());
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music->error = 1;
}
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} else {
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Mix_SetError("%s", Timidity_Error());
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music->error = 1;
}
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} else
#endif
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#ifdef OGG_MUSIC
/* Ogg Vorbis files have the magic four bytes "OggS" */
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if ( (ext && MIX_string_equals(ext, "OGG")) ||
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strcmp((char *)magic, "OggS") == 0 ) {
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music->type = MUS_OGG;
music->data.ogg = OGG_new(file);
if ( music->data.ogg == NULL ) {
music->error = 1;
}
} else
#endif
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#ifdef MP3_MUSIC
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if ( (ext && MIX_string_equals(ext, "MPG")) ||
(ext && MIX_string_equals(ext, "MPEG")) ||
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magic[0]==0xFF && (magic[1]&0xF0)==0xF0) {
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SMPEG_Info info;
music->type = MUS_MP3;
music->data.mp3 = SMPEG_new(file, &info, 0);
if(!info.has_audio){
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Mix_SetError("MPEG file does not have any audio stream.");
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music->error = 1;
}else{
SMPEG_actualSpec(music->data.mp3, &used_mixer);
}
} else
#endif
#ifdef MOD_MUSIC
if ( 1 ) {
music->type = MUS_MOD;
music->data.module = MikMod_LoadSong((char *)file, 64);
if ( music->data.module == NULL ) {
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Mix_SetError("%s", MikMod_strerror(MikMod_errno));
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music->error = 1;
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} else {
/* Stop implicit looping, fade out and other flags. */
music->data.module->extspd = 1;
music->data.module->panflag = 1;
music->data.module->wrap = 0;
music->data.module->loop = 0;
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#if 0 /* Don't set fade out by default - unfortunately there's no real way
to query the status of the song or set trigger actions. Hum. */
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music->data.module->fadeout = 1;
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}
} else
#endif
{
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Mix_SetError("Unrecognized music format");
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music->error = 1;
}
if ( music->error ) {
free(music);
music = NULL;
}
return(music);
}
/* Free a music chunk previously loaded */
void Mix_FreeMusic(Mix_Music *music)
{
if ( music ) {
/* Caution: If music is playing, mixer will crash */
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if ( music == music_playing && !music_stopped ) {
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if ( music->fading == MIX_FADING_OUT ) {
/* Wait for the fade out to finish */
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while ( music_playing && !music_stopped && (music_playing->fading == MIX_FADING_OUT) )
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SDL_Delay(100);
} else {
Mix_HaltMusic(); /* Stop it immediately */
}
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}
switch (music->type) {
#ifdef CMD_MUSIC
case MUS_CMD:
MusicCMD_FreeSong(music->data.cmd);
break;
#endif
#ifdef WAV_MUSIC
case MUS_WAV:
WAVStream_FreeSong(music->data.wave);
break;
#endif
#ifdef MOD_MUSIC
case MUS_MOD:
MikMod_FreeSong(music->data.module);
break;
#endif
#ifdef MID_MUSIC
case MUS_MID:
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#ifdef USE_NATIVE_MIDI
if ( native_midi_ok ) {
native_midi_freesong(music->data.nativemidi);
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} MIDI_ELSE
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#ifdef USE_TIMIDITY_MIDI
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if ( timidity_ok ) {
Timidity_FreeSong(music->data.midi);
}
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break;
#endif
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#ifdef OGG_MUSIC
case MUS_OGG:
OGG_delete(music->data.ogg);
break;
#endif
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#ifdef MP3_MUSIC
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SMPEG_delete(music->data.mp3);
break;
#endif
default:
/* Unknown music type?? */
break;
}
free(music);
}
}
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static int lowlevel_play(Mix_Music *music)
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{
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if(!music)
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return(-1);
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switch (music->type) {
#ifdef CMD_MUSIC
case MUS_CMD:
MusicCMD_SetVolume(music_volume);
MusicCMD_Start(music->data.cmd);
break;
#endif
#ifdef WAV_MUSIC
case MUS_WAV:
WAVStream_SetVolume(music_volume);
WAVStream_Start(music->data.wave);
break;
#endif
#ifdef MOD_MUSIC
case MUS_MOD:
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Player_SetVolume((SWORD)music_volume);
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Player_Start(music->data.module);
Player_SetPosition(0);
break;
#endif
#ifdef MID_MUSIC
case MUS_MID:
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#ifdef USE_NATIVE_MIDI
if ( native_midi_ok ) {
native_midi_setvolume(music_volume);
native_midi_start(music->data.nativemidi);
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} MIDI_ELSE
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#ifdef USE_TIMIDITY_MIDI
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if ( timidity_ok ) {
Timidity_SetVolume(music_volume);
Timidity_Start(music->data.midi);
}
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break;
#endif
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#ifdef OGG_MUSIC
case MUS_OGG:
OGG_setvolume(music->data.ogg, music_volume);
OGG_play(music->data.ogg);
break;
#endif
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#ifdef MP3_MUSIC
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SMPEG_enableaudio(music->data.mp3,1);
SMPEG_enablevideo(music->data.mp3,0);
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SMPEG_setvolume(music->data.mp3,(int)(((float)music_volume/(float)MIX_MAX_VOLUME)*100.0));
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SMPEG_play(music->data.mp3);
break;
#endif
default:
/* Unknown music type?? */
return(-1);
}
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return(0);
}
/* Play a music chunk. Returns 0, or -1 if there was an error.
*/
int Mix_PlayMusic(Mix_Music *music, int loops)
{
/* Don't play null pointers :-) */
if ( music == NULL ) {
return(-1);
}
/* If the current music is fading out, wait for the fade to complete */
while ( music_playing && !music_stopped && music_playing->fading==MIX_FADING_OUT ) {
SDL_Delay(100);
}
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if ( lowlevel_play(music) < 0 ) {
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return(-1);
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music_active = 1;
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music_stopped = 0;
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music_loops = loops;
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music_playing = music;
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music_playing->fading = MIX_NO_FADING;
return(0);
}
/* Fade in a music over "ms" milliseconds */
int Mix_FadeInMusic(Mix_Music *music, int loops, int ms)
{
if ( music && music_volume > 0 ) { /* No need to fade if we can't hear it */
music->fade_volume = music_volume;
music_volume = 0;
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if ( Mix_PlayMusic(music, loops) < 0 ) {
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return(-1);
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music_playing->fade_step = 0;
music_playing->fade_steps = ms/ms_per_step;
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music_playing->fading = MIX_FADING_IN;
}
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return(0);
}
/* Set the music volume */
int Mix_VolumeMusic(int volume)
{
int prev_volume;
prev_volume = music_volume;
704
705
706
707
708
709
710
if ( volume < 0 ) {
volume = 0;
}
if ( volume > SDL_MIX_MAXVOLUME ) {
volume = SDL_MIX_MAXVOLUME;
}
music_volume = volume;
711
if ( music_playing && !music_stopped ) {
712
switch (music_playing->type) {
713
#ifdef CMD_MUSIC
714
715
716
case MUS_CMD:
MusicCMD_SetVolume(music_volume);
break;
717
718
#endif
#ifdef WAV_MUSIC
719
720
721
case MUS_WAV:
WAVStream_SetVolume(music_volume);
break;
722
723
#endif
#ifdef MOD_MUSIC
724
case MUS_MOD:
725
Player_SetVolume((SWORD)music_volume);
727
728
#endif
#ifdef MID_MUSIC
729
case MUS_MID:
730
731
732
#ifdef USE_NATIVE_MIDI
if ( native_midi_ok ) {
native_midi_setvolume(music_volume);
733
} MIDI_ELSE
735
#ifdef USE_TIMIDITY_MIDI
736
737
738
if ( timidity_ok ) {
Timidity_SetVolume(music_volume);
}
741
#endif
742
743
744
745
746
#ifdef OGG_MUSIC
case MUS_OGG:
OGG_setvolume(music_playing->data.ogg, music_volume);
break;
#endif
747
#ifdef MP3_MUSIC
748
case MUS_MP3:
749
SMPEG_setvolume(music_playing->data.mp3,(int)(((float)music_volume/(float)MIX_MAX_VOLUME)*100.0));
751
#endif
752
753
754
default:
/* Unknown music type?? */
break;
755
756
757
758
759
}
}
return(prev_volume);
}
760
static void lowlevel_halt(void)
761
{
762
switch (music_playing->type) {
763
#ifdef CMD_MUSIC
764
765
766
case MUS_CMD:
MusicCMD_Stop(music_playing->data.cmd);
break;
767
768
#endif
#ifdef WAV_MUSIC
769
770
771
case MUS_WAV:
WAVStream_Stop();
break;
772
773
#endif
#ifdef MOD_MUSIC
774
775
776
case MUS_MOD:
Player_Stop();
break;
777
778
#endif
#ifdef MID_MUSIC
779
case MUS_MID:
780
781
782
#ifdef USE_NATIVE_MIDI
if ( native_midi_ok ) {
native_midi_stop();
783
} MIDI_ELSE
785
#ifdef USE_TIMIDITY_MIDI
786
787
788
if ( timidity_ok ) {
Timidity_Stop();
}
790
break;
791
#endif
792
793
794
795
796
#ifdef OGG_MUSIC
case MUS_OGG:
OGG_stop(music_playing->data.ogg);
break;
#endif
797
#ifdef MP3_MUSIC
798
799
800
case MUS_MP3:
SMPEG_stop(music_playing->data.mp3);
break;
801
#endif
802
803
804
805
default:
/* Unknown music type?? */
return;
}
806
if ( music_playing->fading != MIX_NO_FADING ) /* Restore volume */
807
808
music_volume = music_playing->fade_volume;
music_playing->fading = MIX_NO_FADING;
809
music_playing = NULL;
810
music_active = 0;
811
music_loops = 0;
812
813
814
815
816
817
818
819
820
821
music_stopped = 0;
}
/* Halt playing of music */
int Mix_HaltMusic(void)
{
if ( music_playing && !music_stopped ) {
/* Mark the music to be stopped from the sound thread */
music_stopped = 1;
/* Wait for it to be actually stopped */
822
while ( music_playing && music_active )
823
SDL_Delay(10);
824
825
826
827
}
return(0);
}
828
829
830
/* Progressively stop the music */
int Mix_FadeOutMusic(int ms)
{
831
832
if ( music_playing && !music_stopped &&
(music_playing->fading == MIX_NO_FADING) ) {
833
if ( music_volume > 0 ) {
834
835
music_playing->fading = MIX_FADING_OUT;
music_playing->fade_volume = music_volume;
836
837
music_playing->fade_step = 0;
music_playing->fade_steps = ms/ms_per_step;
838
839
840
841
842
843
844
845
return(1);
}
}
return(0);
}
Mix_Fading Mix_FadingMusic(void)
{
846
if( music_playing && !music_stopped )
847
848
849
850
return music_playing->fading;
return MIX_NO_FADING;
}
851
852
853
/* Pause/Resume the music stream */
void Mix_PauseMusic(void)
{
854
if ( music_playing && !music_stopped ) {
855
music_active = 0;
856
857
}
}
859
860
void Mix_ResumeMusic(void)
{
861
if ( music_playing && !music_stopped ) {
862
music_active = 1;
863
864
865
866
867
}
}
void Mix_RewindMusic(void)
{
868
if ( music_playing && !music_stopped ) {
869
switch ( music_playing->type ) {
870
871
872
873
874
875
#ifdef MOD_MUSIC
case MUS_MOD:
Player_Start(music_playing->data.module);
Player_SetPosition(0);
break;
#endif
876
877
878
879
#ifdef MP3_MUSIC
case MUS_MP3:
SMPEG_rewind(music_playing->data.mp3);
break;
880
881
882
883
884
885
886
887
888
#endif
#ifdef MID_MUSIC
case MUS_MID:
#ifdef USE_NATIVE_MIDI
if ( native_midi_ok ) {
native_midi_stop();
}
#endif
break;
889
#endif
890
default:
891
/* TODO: Implement this for other music backends */
893
894
895
896
}
}
}
897
898
int Mix_PausedMusic(void)
{
899
return (music_active == 0);
902
/* Check the status of the music */
903
int Mix_PlayingMusic(void)
904
{
905
if ( music_playing && ! music_stopped ) {
906
907
908
909
switch (music_playing->type) {
#ifdef CMD_MUSIC
case MUS_CMD:
if (!MusicCMD_Active(music_playing->data.cmd)) {
910
return(0);
911
912
913
914
915
}
break;
#endif
#ifdef WAV_MUSIC
case MUS_WAV:
916
if ( ! WAVStream_Active() ) {
917
return(0);
918
919
920
921
922
923
}
break;
#endif
#ifdef MOD_MUSIC
case MUS_MOD:
if ( ! Player_Active() ) {
924
return(0);
925
926
927
928
929
}
break;
#endif
#ifdef MID_MUSIC
case MUS_MID:
930
931
932
933
#ifdef USE_NATIVE_MIDI
if ( native_midi_ok ) {
if ( ! native_midi_active() )
return(0);
934
} MIDI_ELSE
936
#ifdef USE_TIMIDITY_MIDI
937
938
939
if ( timidity_ok ) {
if ( ! Timidity_Active() )
return(0);
940
}
942
943
break;
#endif
944
945
946
947
948
949
950
#ifdef OGG_MUSIC
case MUS_OGG:
if ( ! OGG_playing(music_playing->data.ogg) ) {
return(0);
}
break;
#endif
951
952
#ifdef MP3_MUSIC
case MUS_MP3:
953
if ( SMPEG_status(music_playing->data.mp3) != SMPEG_PLAYING )
954
return(0);
955
956
break;
#endif
957
958
default:
break;
959
}
960
961
return(1);
}
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
}
/* Set the external music playback command */
int Mix_SetMusicCMD(const char *command)
{
Mix_HaltMusic();
if ( music_cmd ) {
free(music_cmd);
music_cmd = NULL;
}
if ( command ) {
music_cmd = (char *)malloc(strlen(command)+1);
if ( music_cmd == NULL ) {
return(-1);
}
strcpy(music_cmd, command);
}
return(0);
}
/* Uninitialize the music players */
void close_music(void)
{
Mix_HaltMusic();
#ifdef CMD_MUSIC
Mix_SetMusicCMD(NULL);
#endif
#ifdef MOD_MUSIC
MikMod_Exit();
992
993
MikMod_UnregisterAllLoaders();
MikMod_UnregisterAllDrivers();
994
995
#endif
}