static int TIMIDITY_GetSome(void *context, void *data, int bytes, SDL_bool *done)
{
TIMIDITY_Music *music = (TIMIDITY_Music *)context;
int filled, amount, expected;
if (music->stream) {
filled = SDL_AudioStreamGet(music->stream, data, bytes);
if (filled != 0) {
return filled;
}
}
if (!music->play_count) {
/* All done */
*done = SDL_TRUE;
return 0;
}
if (music->stream) {
expected = music->buffer_size;
amount = Timidity_PlaySome(music->song, music->buffer, music->buffer_size);
if (SDL_AudioStreamPut(music->stream, music->buffer, amount) < 0) {
return -1;
}
} else {
expected = bytes;
amount = Timidity_PlaySome(music->song, data, bytes);
}
if (amount < expected) {
if (music->play_count == 1) {
/* We didn't consume anything and we're done */
music->play_count = 0;
} else {
int play_count = -1;
if (music->play_count > 0) {
play_count = (music->play_count - 1);
}
if (TIMIDITY_Play(music, play_count) < 0) {
return -1;
}
}
}
if (music->stream) {
/* We'll pick it up from the stream next time around */
return 0;
} else {
/* We wrote output data */
return amount;
}
}
static Uint32 MIDI_read(Sound_Sample *sample)
{
Uint32 retval;
Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
MidiSong *song = (MidiSong *) internal->decoder_private;
retval = Timidity_PlaySome(song, internal->buffer, internal->buffer_size);
/* Make sure the read went smoothly... */
if (retval == 0)
sample->flags |= SOUND_SAMPLEFLAG_EOF;
else if (retval == -1)
sample->flags |= SOUND_SAMPLEFLAG_ERROR;
/* (next call this EAGAIN may turn into an EOF or error.) */
else if (retval < internal->buffer_size)
sample->flags |= SOUND_SAMPLEFLAG_EAGAIN;
return(retval);
} /* MIDI_read */
static void audio_callback(void *userdata, Uint8 *stream, int len)
{
if (Timidity_PlaySome(song, stream, len) == 0)
done_flag = 1;
}
/* 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;
}
}
}
