/* otherwhise. NOP if the music is playing */
static int music_halt_or_loop (void)
{
/* Restart music if it has to loop */
if (!music_internal_playing())
{
/* Restart music if it has to loop at a high level */
if (music_loops && --music_loops)
{
Mix_Fading current_fade = music_playing->fading;
music_internal_play(music_playing, 0.0);
music_playing->fading = current_fade;
}
else
{
music_internal_halt();
if (music_finished_hook)
music_finished_hook();
return 0;
}
}
return 1;
}
/* otherwhise. NOP if the music is playing */
static int music_halt_or_loop (void)
{
/* Restart music if it has to loop */
if (!music_internal_playing())
{
#ifdef USE_NATIVE_MIDI
/* Native MIDI handles looping internally */
if (music_playing->type == MUS_MID && native_midi_ok) {
music_loops = 0;
}
#endif
/* Restart music if it has to loop at a high level */
if (music_loops)
{
Mix_Fading current_fade;
--music_loops;
current_fade = music_playing->fading;
music_internal_play(music_playing, 0.0);
music_playing->fading = current_fade;
}
else
{
music_internal_halt();
if (music_finished_hook)
music_finished_hook();
return 0;
}
}
return 1;
}
int Mix_HaltMusic(void)
{
SDL_LockAudio();
if ( music_playing ) {
music_internal_halt();
}
SDL_UnlockAudio();
return(0);
}
/* Mixing function */
void music_mixer(void *udata, Uint8 *stream, int len)
{
int left = 0;
if ( music_playing && music_active ) {
/* Handle fading */
if ( music_playing->fading != MIX_NO_FADING ) {
if ( music_playing->fade_step++ < music_playing->fade_steps ) {
int volume;
int fade_step = music_playing->fade_step;
int fade_steps = music_playing->fade_steps;
if ( music_playing->fading == MIX_FADING_OUT ) {
volume = (music_volume * (fade_steps-fade_step)) / fade_steps;
} else { /* Fading in */
volume = (music_volume * fade_step) / fade_steps;
}
music_internal_volume(volume);
} else {
if ( music_playing->fading == MIX_FADING_OUT ) {
music_internal_halt();
if ( music_finished_hook ) {
music_finished_hook();
}
return;
}
music_playing->fading = MIX_NO_FADING;
}
}
if (music_halt_or_loop() == 0)
return;
switch (music_playing->type) {
#ifdef CMD_MUSIC
case MUS_CMD:
/* The playing is done externally */
break;
#endif
#ifdef WAV_MUSIC
case MUS_WAV:
left = WAVStream_PlaySome(stream, len);
break;
#endif
#ifdef MOD_MUSIC
case MUS_MOD:
left = MOD_playAudio(music_playing->data.module, stream, len);
break;
#endif
#ifdef MID_MUSIC
#ifdef USE_TIMIDITY_MIDI
case MUS_MID:
if ( timidity_ok ) {
int samples = len / samplesize;
Timidity_PlaySome(stream, samples);
}
break;
#endif
#endif
#ifdef OGG_MUSIC
case MUS_OGG:
left = OGG_playAudio(music_playing->data.ogg, stream, len);
break;
#endif
#ifdef FLAC_MUSIC
case MUS_FLAC:
left = FLAC_playAudio(music_playing->data.flac, stream, len);
break;
#endif
#ifdef MP3_MUSIC
case MUS_MP3:
left = (len - smpeg.SMPEG_playAudio(music_playing->data.mp3, stream, len));
break;
#endif
#ifdef MP3_MAD_MUSIC
case MUS_MP3_MAD:
left = mad_getSamples(music_playing->data.mp3_mad, stream, len);
break;
#endif
default:
/* Unknown music type?? */
break;
}
}
/* Handle seamless music looping */
if (left > 0 && left < len && music_halt_or_loop()) {
music_mixer(udata, stream+(len-left), left);
}
}
/* Mixing function */
void music_mixer(void *udata, Uint8 *stream, int len)
{
Mix_Music *music_playing_aux = music_playing;//maks
if ( music_playing_aux && music_active ) {
/* Handle fading */
if ( music_playing_aux->fading != MIX_NO_FADING ) {
if ( music_playing_aux->fade_step++ < music_playing_aux->fade_steps ) {
int volume;
int fade_step = music_playing_aux->fade_step;
int fade_steps = music_playing_aux->fade_steps;
if ( music_playing_aux->fading == MIX_FADING_OUT ) {
volume = (music_volume * (fade_steps-fade_step)) / fade_steps;
} else { /* Fading in */
volume = (music_volume * fade_step) / fade_steps;
}
music_internal_volume(volume);
} else {
if ( music_playing_aux->fading == MIX_FADING_OUT ) {
music_internal_halt();
if ( music_finished_hook ) {
music_finished_hook();
}
return;
}
music_playing_aux->fading = MIX_NO_FADING;
}
}
/* Restart music if it has to loop */
if ( !music_internal_playing() ) {
/* Restart music if it has to loop at a high level */
if ( music_loops && --music_loops ) {
Mix_Fading current_fade = music_playing_aux->fading;
music_internal_play(music_playing_aux, 0.0);
music_playing_aux->fading = current_fade;
} else {
music_internal_halt();
if ( music_finished_hook ) {
music_finished_hook();
}
return;
}
}
switch (music_playing_aux->type) {
#ifdef CMD_MUSIC
case MUS_CMD:
/* The playing is done externally */
break;
#endif
#ifdef WAV_MUSIC
case MUS_WAV:
WAVStream_PlaySome(stream, len);
break;
#endif
#ifdef MOD_MUSIC
case MUS_MOD:
VC_WriteBytes((SBYTE *)stream, len);
if ( music_swap8 ) {
Uint8 *dst;
int i;
dst = stream;
for ( i=len; i; --i ) {
*dst++ ^= 0x80;
}
} else
if ( music_swap16 ) {
Uint8 *dst, tmp;
int i;
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
#ifdef USE_TIMIDITY_MIDI
case MUS_MID:
if ( timidity_ok ) {
int samples = len / samplesize;
Timidity_PlaySome(stream, samples);
}
break;
#endif
#endif
#ifdef OGG_MUSIC
case MUS_OGG:
OGG_playAudio(music_playing_aux->data.ogg, stream, len);
break;
#endif
#ifdef MP3_MUSIC
case MUS_MP3: //maks
//SMPEG_playAudio(music_playing_aux->data.mp3, stream, len);
{
static Uint8 *mp3Buf = NULL;
static int lenBuf = 0;
int decoded;
if(!mp3Buf || len > lenBuf) mp3Buf = realloc(mp3Buf, len);
lenBuf = len;
decoded = MAD_Decode(music_playing_aux->data.mp3, mp3Buf, len, used_mixer.channels);
if(decoded > 0)
{
SDL_MixAudio(stream, mp3Buf, decoded, music_playing_aux->data.mp3->volume);
}
else
{
music_playing_aux->data.mp3->playing = 0;
}
}
break;
#endif
default:
/* Unknown music type?? */
break;
}
}
}
/* Play a music chunk. Returns 0, or -1 if there was an error.
*/
static int music_internal_play(Mix_Music *music, double position)
{
int retval = 0;
#if defined(__MACOSX__) && defined(USE_NATIVE_MIDI)
/* This fixes a bug with native MIDI on Mac OS X, where you
can't really stop and restart MIDI from the audio callback.
*/
if ( music == music_playing && music->type == MUS_MID && native_midi_ok ) {
/* Just a seek suffices to restart playing */
music_internal_position(position);
return 0;
}
#endif
/* Note the music we're playing */
if ( music_playing ) {
music_internal_halt();
}
music_playing = music;
/* Set the initial volume */
if ( music->type != MUS_MOD ) {
music_internal_initialize_volume();
}
/* Set up for playback */
switch (music->type) {
#ifdef CMD_MUSIC
case MUS_CMD:
MusicCMD_Start(music->data.cmd);
break;
#endif
#ifdef WAV_MUSIC
case MUS_WAV:
WAVStream_Start(music->data.wave);
break;
#endif
#ifdef MODPLUG_MUSIC
case MUS_MODPLUG:
/* can't set volume until file is loaded, so finally set it now */
music_internal_initialize_volume();
modplug_play(music->data.modplug);
break;
#endif
#ifdef MOD_MUSIC
case MUS_MOD:
MOD_play(music->data.module);
/* Player_SetVolume() does nothing before Player_Start() */
music_internal_initialize_volume();
break;
#endif
#ifdef MID_MUSIC
case MUS_MID:
#ifdef USE_NATIVE_MIDI
if ( native_midi_ok ) {
native_midi_start(music->data.nativemidi, music_loops);
goto skip;
}
#endif
#ifdef USE_FLUIDSYNTH_MIDI
if (fluidsynth_ok ) {
fluidsynth_start(music->data.fluidsynthmidi);
goto skip;
}
#endif
#ifdef USE_TIMIDITY_MIDI
if ( timidity_ok ) {
Timidity_Start(music->data.midi);
goto skip;
}
#endif
break;
#endif
#ifdef OGG_MUSIC
case MUS_OGG:
OGG_play(music->data.ogg);
break;
#endif
#ifdef FLAC_MUSIC
case MUS_FLAC:
FLAC_play(music->data.flac);
break;
#endif
#ifdef MP3_MUSIC
case MUS_MP3:
smpeg.SMPEG_enableaudio(music->data.mp3,1);
smpeg.SMPEG_enablevideo(music->data.mp3,0);
smpeg.SMPEG_play(music_playing->data.mp3);
break;
#endif
#ifdef MP3_MAD_MUSIC
case MUS_MP3_MAD:
mad_start(music->data.mp3_mad);
break;
#endif
default:
Mix_SetError("Can't play unknown music type");
retval = -1;
break;
}
skip:
/* Set the playback position, note any errors if an offset is used */
if ( retval == 0 ) {
if ( position > 0.0 ) {
if ( music_internal_position(position) < 0 ) {
Mix_SetError("Position not implemented for music type");
retval = -1;
}
} else {
music_internal_position(0.0);
}
}
/* If the setup failed, we're not playing any music anymore */
if ( retval < 0 ) {
music_playing = NULL;
}
return(retval);
}
/* Free a music chunk previously loaded */
void Mix_FreeMusic(Mix_Music *music)
{
if ( music ) {
/* Stop the music if it's currently playing */
SDL_LockAudio();
if ( music == music_playing ) {
/* Wait for any fade out to finish */
while ( music->fading == MIX_FADING_OUT ) {
SDL_UnlockAudio();
SDL_Delay(100);
SDL_LockAudio();
}
if ( music == music_playing ) {
music_internal_halt();
}
}
SDL_UnlockAudio();
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 MODPLUG_MUSIC
case MUS_MODPLUG:
modplug_delete(music->data.modplug);
break;
#endif
#ifdef MOD_MUSIC
case MUS_MOD:
MOD_delete(music->data.module);
break;
#endif
#ifdef MID_MUSIC
case MUS_MID:
#ifdef USE_NATIVE_MIDI
if ( native_midi_ok ) {
native_midi_freesong(music->data.nativemidi);
goto skip;
}
#endif
#ifdef USE_FLUIDSYNTH_MIDI
if ( fluidsynth_ok ) {
fluidsynth_freesong(music->data.fluidsynthmidi);
goto skip;
}
#endif
#ifdef USE_TIMIDITY_MIDI
if ( timidity_ok ) {
Timidity_FreeSong(music->data.midi);
goto skip;
}
#endif
break;
#endif
#ifdef OGG_MUSIC
case MUS_OGG:
OGG_delete(music->data.ogg);
break;
#endif
#ifdef FLAC_MUSIC
case MUS_FLAC:
FLAC_delete(music->data.flac);
break;
#endif
#ifdef MP3_MUSIC
case MUS_MP3:
smpeg.SMPEG_delete(music->data.mp3);
break;
#endif
#ifdef MP3_MAD_MUSIC
case MUS_MP3_MAD:
mad_closeFile(music->data.mp3_mad);
break;
#endif
default:
/* Unknown music type?? */
break;
}
skip:
SDL_free(music);
}
}
