static int MIDI_open(Sound_Sample *sample, const char *ext)
{
Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
SDL_RWops *rw = internal->rw;
SDL_AudioSpec spec;
MidiSong *song;
spec.channels = 2;
spec.format = AUDIO_S16SYS;
spec.freq = 44100;
spec.samples = 4096;
song = Timidity_LoadSong(rw, &spec);
BAIL_IF_MACRO(song == NULL, "MIDI: Not a MIDI file.", 0);
Timidity_SetVolume(song, 100);
Timidity_Start(song);
SNDDBG(("MIDI: Accepting data stream.\n"));
internal->decoder_private = (void *) song;
sample->actual.channels = 2;
sample->actual.rate = 44100;
sample->actual.format = AUDIO_S16SYS;
sample->flags = SOUND_SAMPLEFLAG_CANSEEK;
return(1); /* we'll handle this data. */
} /* MIDI_open */
static void TIMIDITY_SetVolume(void *context, int volume)
{
TIMIDITY_Music *music = (TIMIDITY_Music *)context;
Timidity_SetVolume(music->song, volume);
}
int main(int argc, char *argv[])
{
SDL_AudioSpec audio;
SDL_RWops *rw;
if (SDL_Init(SDL_INIT_AUDIO) < 0)
{
fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
return 1;
}
atexit(SDL_Quit);
if (argc != 2)
{
fprintf(stderr, "Usage: %s midifile\n", argv[0]);
return 1;
}
audio.freq = 44100;
audio.format = AUDIO_S16SYS;
audio.channels = 2;
audio.samples = 4096;
audio.callback = audio_callback;
if (SDL_OpenAudio(&audio, NULL) < 0)
{
fprintf(stderr, "Couldn't open audio device. %s\n", SDL_GetError());
return 1;
}
if (Timidity_Init() < 0)
{
fprintf(stderr, "Could not initialise TiMidity.\n");
return 1;
}
rw = SDL_RWFromFile(argv[1], "rb");
if (rw == NULL)
{
fprintf(stderr, "Could not create RWops from MIDI file.\n");
return 1;
}
song = Timidity_LoadSong(rw, &audio);
SDL_RWclose(rw);
if (song == NULL)
{
fprintf(stderr, "Could not open MIDI file.\n");
return 1;
}
Timidity_SetVolume(song, 100);
Timidity_Start(song);
SDL_PauseAudio(0);
while (!done_flag)
{
SDL_Delay(10);
}
SDL_PauseAudio(1);
Timidity_FreeSong(song);
Timidity_Exit();
return 0;
}
/* Set the music volume */
static void music_internal_volume(int volume)
{
switch (music_playing->type) {
#ifdef CMD_MUSIC
case MUS_CMD:
MusicCMD_SetVolume(volume);
break;
#endif
#ifdef WAV_MUSIC
case MUS_WAV:
WAVStream_SetVolume(volume);
break;
#endif
#ifdef MODPLUG_MUSIC
case MUS_MODPLUG:
modplug_setvolume(music_playing->data.modplug, volume);
break;
#endif
#ifdef MOD_MUSIC
case MUS_MOD:
MOD_setvolume(music_playing->data.module, volume);
break;
#endif
#ifdef MID_MUSIC
case MUS_MID:
#ifdef USE_NATIVE_MIDI
if ( native_midi_ok ) {
native_midi_setvolume(volume);
return;
}
#endif
#ifdef USE_FLUIDSYNTH_MIDI
if ( fluidsynth_ok ) {
fluidsynth_setvolume(music_playing->data.fluidsynthmidi, volume);
return;
}
#endif
#ifdef USE_TIMIDITY_MIDI
if ( timidity_ok ) {
Timidity_SetVolume(volume);
return;
}
#endif
break;
#endif
#ifdef OGG_MUSIC
case MUS_OGG:
OGG_setvolume(music_playing->data.ogg, volume);
break;
#endif
#ifdef FLAC_MUSIC
case MUS_FLAC:
FLAC_setvolume(music_playing->data.flac, volume);
break;
#endif
#ifdef MP3_MUSIC
case MUS_MP3:
smpeg.SMPEG_setvolume(music_playing->data.mp3,(int)(((float)volume/(float)MIX_MAX_VOLUME)*100.0));
break;
#endif
#ifdef MP3_MAD_MUSIC
case MUS_MP3_MAD:
mad_setVolume(music_playing->data.mp3_mad, volume);
break;
#endif
default:
/* Unknown music type?? */
break;
}
}
