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sm64pc/src/audio/playback.c

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#include <ultra64.h>
#include <macros.h>
#include "heap.h"
#include "data.h"
#include "load.h"
#include "seqplayer.h"
#include "playback.h"
#include "synthesis.h"
#include "effects.h"
#include "external.h"
#ifdef VERSION_EU
void note_set_vel_pan_reverb(struct Note *note, f32 velocity, u8 pan, u8 reverb) {
struct NoteSubEu *sub = &note->noteSubEu;
f32 volRight, volLeft;
u16 unkMask = ~0x80;
pan &= unkMask;
if (sub->stereoHeadsetEffects && gSoundMode == SOUND_MODE_HEADSET) {
s32 smallPanIndex = pan >> 3;
if (smallPanIndex > 0xf) {
smallPanIndex = 0xf;
}
sub->headsetPanLeft = gHeadsetPanQuantization[smallPanIndex];
sub->headsetPanRight = gHeadsetPanQuantization[15 - smallPanIndex];
sub->stereoStrongRight = FALSE;
sub->stereoStrongLeft = FALSE;
sub->usesHeadsetPanEffects = TRUE;
volLeft = gHeadsetPanVolume[pan];
volRight = gHeadsetPanVolume[127 - pan];
} else if (sub->stereoHeadsetEffects && gSoundMode == SOUND_MODE_STEREO) {
u8 strongLeft = FALSE;
u8 strongRight = FALSE;
sub->headsetPanLeft = 0;
sub->headsetPanRight = 0;
sub->usesHeadsetPanEffects = FALSE;
volLeft = gStereoPanVolume[pan];
volRight = gStereoPanVolume[127 - pan];
if (pan < 0x20) {
strongLeft = TRUE;
} else if (pan > 0x60) {
strongRight = TRUE;
}
sub->stereoStrongRight = strongRight;
sub->stereoStrongLeft = strongLeft;
} else if (gSoundMode == SOUND_MODE_MONO) {
volLeft = 0.707f;
volRight = 0.707f;
} else {
volLeft = gDefaultPanVolume[pan];
volRight = gDefaultPanVolume[127 - pan];
}
velocity = MAX(0.0f, velocity);
velocity = MIN(32767.f, velocity);
sub->targetVolLeft = ((s32) (velocity * volLeft) & 0xffff) >> 5;
sub->targetVolRight = ((s32) (velocity * volRight) & 0xffff) >> 5;
if (sub->reverbVol != reverb) {
sub->reverbVol = reverb;
sub->envMixerNeedsInit = TRUE;
return;
}
if (sub->needsInit) {
sub->envMixerNeedsInit = TRUE;
} else {
sub->envMixerNeedsInit = FALSE;
}
}
void note_set_resampling_rate(struct Note *note, f32 resamplingRateInput) {
f32 resamplingRate = 0.0f;
struct NoteSubEu *tempSub = &note->noteSubEu;
if (resamplingRateInput < 0.0f) {
resamplingRateInput = 0.0f;
}
if (resamplingRateInput < 2.0f) {
tempSub->hasTwoAdpcmParts = 0;
if (1.99996f < resamplingRateInput) {
resamplingRate = 1.99996f;
} else {
resamplingRate = resamplingRateInput;
}
} else {
tempSub->hasTwoAdpcmParts = 1;
if (3.99992f < resamplingRateInput) {
resamplingRate = 1.99996f;
} else {
resamplingRate = resamplingRateInput * 0.5f;
}
}
note->noteSubEu.resamplingRateFixedPoint = (s32) (resamplingRate * 32768.0f);
}
struct AudioBankSound *instrument_get_audio_bank_sound(struct Instrument *instrument, s32 semitone) {
struct AudioBankSound *sound;
if (semitone < instrument->normalRangeLo) {
sound = &instrument->lowNotesSound;
} else if (semitone <= instrument->normalRangeHi) {
sound = &instrument->normalNotesSound;
} else {
sound = &instrument->highNotesSound;
}
return sound;
}
struct Instrument *get_instrument_inner(s32 bankId, s32 instId) {
struct Instrument *inst;
if (IS_BANK_LOAD_COMPLETE(bankId) == FALSE) {
gAudioErrorFlags = bankId + 0x10000000;
return NULL;
}
if (instId >= gCtlEntries[bankId].numInstruments) {
gAudioErrorFlags = ((bankId << 8) + instId) + 0x3000000;
return NULL;
}
inst = gCtlEntries[bankId].instruments[instId];
if (inst == NULL) {
gAudioErrorFlags = ((bankId << 8) + instId) + 0x1000000;
return inst;
}
if (((uintptr_t) gBankLoadedPool.persistent.pool.start <= (uintptr_t) inst
&& (uintptr_t) inst <= (uintptr_t)(gBankLoadedPool.persistent.pool.start
+ gBankLoadedPool.persistent.pool.size))
|| ((uintptr_t) gBankLoadedPool.temporary.pool.start <= (uintptr_t) inst
&& (uintptr_t) inst <= (uintptr_t)(gBankLoadedPool.temporary.pool.start
+ gBankLoadedPool.temporary.pool.size))) {
return inst;
}
gAudioErrorFlags = ((bankId << 8) + instId) + 0x2000000;
return NULL;
}
struct Drum *get_drum(s32 bankId, s32 drumId) {
struct Drum *drum;
if (drumId >= gCtlEntries[bankId].numDrums) {
gAudioErrorFlags = ((bankId << 8) + drumId) + 0x4000000;
return 0;
}
if ((uintptr_t) gCtlEntries[bankId].drums < 0x80000000U) {
return 0;
}
drum = gCtlEntries[bankId].drums[drumId];
if (drum == NULL) {
gAudioErrorFlags = ((bankId << 8) + drumId) + 0x5000000;
}
return drum;
}
#endif // VERSION_EU
#ifdef VERSION_EU
void note_init_for_layer(struct Note *note, struct SequenceChannelLayer *seqLayer);
#else
s32 note_init_for_layer(struct Note *note, struct SequenceChannelLayer *seqLayer);
#endif
void note_init(struct Note *note) {
if (note->parentLayer->adsr.releaseRate == 0) {
adsr_init(&note->adsr, note->parentLayer->seqChannel->adsr.envelope, &note->adsrVolScale);
} else {
adsr_init(&note->adsr, note->parentLayer->adsr.envelope, &note->adsrVolScale);
}
note->adsr.state = ADSR_STATE_INITIAL;
#ifdef VERSION_EU
note->noteSubEu = gDefaultNoteSub;
#else
note_init_volume(note);
note_enable(note);
#endif
}
#ifdef VERSION_EU
#define note_disable2 note_disable
void note_disable(struct Note *note) {
if (note->noteSubEu.needsInit == TRUE) {
note->noteSubEu.needsInit = FALSE;
} else {
note_set_vel_pan_reverb(note, 0, 0x40, 0);
}
note->priority = NOTE_PRIORITY_DISABLED;
note->parentLayer = NO_LAYER;
note->prevParentLayer = NO_LAYER;
note->noteSubEu.enabled = FALSE;
note->noteSubEu.finished = FALSE;
}
#else
void note_disable2(struct Note *note) {
note_disable(note);
}
#endif // VERSION_EU
void process_notes(void) {
f32 scale;
f32 frequency;
#ifndef VERSION_EU
u8 reverb;
#endif
f32 velocity;
#ifndef VERSION_EU
f32 pan;
f32 cap;
#endif
struct Note *note;
#ifdef VERSION_EU
struct NotePlaybackState *playbackState;
struct NoteSubEu *noteSubEu;
UNUSED u8 pad[12];
u8 reverb;
UNUSED u8 pad3;
u8 pan;
u8 bookOffset;
#endif
struct NoteAttributes *attributes;
#ifndef VERSION_EU
struct AudioListItem *it;
#endif
s32 i;
// Macro versions of audio_list_push_front and audio_list_remove
// (PREPEND does not actually need to be a macro, but it seems likely.)
#define PREPEND(item, head_arg) \
((it = (item), it->prev != NULL) \
? it \
: (it->prev = (head_arg), it->next = (head_arg)->next, (head_arg)->next->prev = it, \
(head_arg)->next = it, (head_arg)->u.count++, it->pool = (head_arg)->pool, it))
#define POP(item) \
((it = (item), it->prev == NULL) \
? it \
: (it->prev->next = it->next, it->next->prev = it->prev, it->prev = NULL, it))
for (i = 0; i < gMaxSimultaneousNotes; i++) {
note = &gNotes[i];
#ifdef VERSION_EU
playbackState = (struct NotePlaybackState *) &note->priority;
if (note->parentLayer != NO_LAYER) {
if ((uintptr_t) playbackState->parentLayer < 0x7fffffffU) {
continue;
}
if (!playbackState->parentLayer->enabled && playbackState->priority >= NOTE_PRIORITY_MIN) {
goto c;
} else if (playbackState->parentLayer->seqChannel->seqPlayer == NULL) {
sequence_channel_disable(playbackState->parentLayer->seqChannel);
playbackState->priority = NOTE_PRIORITY_STOPPING;
continue;
} else if (playbackState->parentLayer->seqChannel->seqPlayer->muted) {
if ((playbackState->parentLayer->seqChannel->muteBehavior
& (MUTE_BEHAVIOR_STOP_SCRIPT | MUTE_BEHAVIOR_STOP_NOTES))) {
goto c;
}
}
goto d;
if (1) {
c:
seq_channel_layer_note_release(playbackState->parentLayer);
audio_list_remove(&note->listItem);
audio_list_push_front(&note->listItem.pool->decaying, &note->listItem);
playbackState->priority = NOTE_PRIORITY_STOPPING;
}
} else if (playbackState->priority >= NOTE_PRIORITY_MIN) {
continue;
}
d:
if (playbackState->priority != NOTE_PRIORITY_DISABLED) {
noteSubEu = &note->noteSubEu;
if (playbackState->priority == NOTE_PRIORITY_STOPPING || noteSubEu->finished) {
if (playbackState->adsr.state == ADSR_STATE_DISABLED || noteSubEu->finished) {
if (playbackState->wantedParentLayer != NO_LAYER) {
note_disable(note);
if (playbackState->wantedParentLayer->seqChannel != NULL) {
note_init_for_layer(note, playbackState->wantedParentLayer);
note_vibrato_init(note);
audio_list_remove(&note->listItem);
audio_list_push_back(&note->listItem.pool->active, &note->listItem);
playbackState->wantedParentLayer = NO_LAYER;
// don't skip
} else {
note_disable(note);
audio_list_remove(&note->listItem);
audio_list_push_back(&note->listItem.pool->disabled, &note->listItem);
playbackState->wantedParentLayer = NO_LAYER;
goto skip;
}
} else {
note_disable(note);
audio_list_remove(&note->listItem);
audio_list_push_back(&note->listItem.pool->disabled, &note->listItem);
goto skip;
}
}
if (1) {
}
} else if (playbackState->adsr.state == ADSR_STATE_DISABLED) {
note_disable(note);
audio_list_remove(&note->listItem);
audio_list_push_back(&note->listItem.pool->disabled, &note->listItem);
goto skip;
}
scale = adsr_update(&playbackState->adsr);
note_vibrato_update(note);
attributes = &playbackState->attributes;
if (playbackState->priority == NOTE_PRIORITY_STOPPING) {
frequency = attributes->freqScale;
velocity = attributes->velocity;
pan = attributes->pan;
reverb = attributes->reverb;
if (1) {
}
bookOffset = noteSubEu->bookOffset;
} else {
frequency = playbackState->parentLayer->noteFreqScale;
velocity = playbackState->parentLayer->noteVelocity;
pan = playbackState->parentLayer->notePan;
reverb = playbackState->parentLayer->seqChannel->reverb;
bookOffset = playbackState->parentLayer->seqChannel->bookOffset & 0x7;
}
frequency *= playbackState->vibratoFreqScale * playbackState->portamentoFreqScale;
frequency *= gAudioBufferParameters.resampleRate;
velocity = velocity * scale * scale;
note_set_resampling_rate(note, frequency);
note_set_vel_pan_reverb(note, velocity, pan, reverb);
noteSubEu->bookOffset = bookOffset;
skip:;
}
#else
if (note->priority != NOTE_PRIORITY_DISABLED) {
if (note->priority == NOTE_PRIORITY_STOPPING || note->finished) {
if (note->adsrVolScale == 0 || note->finished) {
if (note->wantedParentLayer != NO_LAYER) {
note_disable2(note);
if (note->wantedParentLayer->seqChannel != NULL) {
if (note_init_for_layer(note, note->wantedParentLayer) == TRUE) {
note_disable2(note);
POP(&note->listItem);
PREPEND(&note->listItem, &gNoteFreeLists.disabled);
} else {
note_vibrato_init(note);
audio_list_push_back(&note->listItem.pool->active,
POP(&note->listItem));
note->wantedParentLayer = NO_LAYER;
}
} else {
note_disable2(note);
audio_list_push_back(&note->listItem.pool->disabled, POP(&note->listItem));
note->wantedParentLayer = NO_LAYER;
continue;
}
} else {
note_disable2(note);
audio_list_push_back(&note->listItem.pool->disabled, POP(&note->listItem));
continue;
}
}
} else {
if (note->adsr.state == ADSR_STATE_DISABLED) {
note_disable2(note);
audio_list_push_back(&note->listItem.pool->disabled, POP(&note->listItem));
continue;
}
}
adsr_update(&note->adsr);
note_vibrato_update(note);
attributes = &note->attributes;
if (note->priority == NOTE_PRIORITY_STOPPING) {
frequency = attributes->freqScale;
velocity = attributes->velocity;
pan = attributes->pan;
reverb = attributes->reverb;
} else {
frequency = note->parentLayer->noteFreqScale;
velocity = note->parentLayer->noteVelocity;
pan = note->parentLayer->notePan;
reverb = note->parentLayer->seqChannel->reverb;
}
scale = note->adsrVolScale;
frequency *= note->vibratoFreqScale * note->portamentoFreqScale;
cap = 3.99992f;
if (gAiFrequency != 32006) {
frequency *= US_FLOAT(32000.0) / (f32) gAiFrequency;
}
frequency = (frequency < cap ? frequency : cap);
scale *= 4.3498e-5f; // ~1 / 23000
velocity = velocity * scale * scale;
note_set_frequency(note, frequency);
note_set_vel_pan_reverb(note, velocity, pan, reverb);
continue;
}
#endif
}
#undef PREPEND
#undef POP
}
void seq_channel_layer_decay_release_internal(struct SequenceChannelLayer *seqLayer, s32 target) {
struct Note *note;
struct NoteAttributes *attributes;
if (seqLayer == NO_LAYER || seqLayer->note == NULL) {
return;
}
note = seqLayer->note;
attributes = &note->attributes;
#ifndef VERSION_EU
if (seqLayer->seqChannel != NULL && seqLayer->seqChannel->noteAllocPolicy == 0) {
seqLayer->note = NULL;
}
#endif
if (note->wantedParentLayer == seqLayer) {
note->wantedParentLayer = NO_LAYER;
}
if (note->parentLayer != seqLayer) {
#ifdef VERSION_EU
if (note->parentLayer == NO_LAYER && note->wantedParentLayer == NO_LAYER && note->prevParentLayer == seqLayer && target != ADSR_STATE_DECAY) {
note->adsr.fadeOutVel = gAudioBufferParameters.updatesPerFrameInv;
note->adsr.action |= ADSR_ACTION_RELEASE;
}
#endif
return;
}
seqLayer->status = SOUND_LOAD_STATUS_NOT_LOADED;
if (note->adsr.state != ADSR_STATE_DECAY) {
attributes->freqScale = seqLayer->noteFreqScale;
attributes->velocity = seqLayer->noteVelocity;
attributes->pan = seqLayer->notePan;
if (seqLayer->seqChannel != NULL) {
attributes->reverb = seqLayer->seqChannel->reverb;
}
note->priority = NOTE_PRIORITY_STOPPING;
note->prevParentLayer = note->parentLayer;
note->parentLayer = NO_LAYER;
if (target == ADSR_STATE_RELEASE) {
#ifdef VERSION_EU
note->adsr.fadeOutVel = gAudioBufferParameters.updatesPerFrameInv;
#else
note->adsr.fadeOutVel = 0x8000 / gAudioUpdatesPerFrame;
#endif
note->adsr.action |= ADSR_ACTION_RELEASE;
} else {
note->adsr.action |= ADSR_ACTION_DECAY;
#ifdef VERSION_EU
if (seqLayer->adsr.releaseRate == 0) {
note->adsr.fadeOutVel = seqLayer->seqChannel->adsr.releaseRate * gAudioBufferParameters.unkUpdatesPerFrameScaled;
} else {
note->adsr.fadeOutVel = seqLayer->adsr.releaseRate * gAudioBufferParameters.unkUpdatesPerFrameScaled;
}
note->adsr.sustain = (FLOAT_CAST(seqLayer->seqChannel->adsr.sustain) * note->adsr.current) / 256.0f;
#else
if (seqLayer->adsr.releaseRate == 0) {
note->adsr.fadeOutVel = seqLayer->seqChannel->adsr.releaseRate * 24;
} else {
note->adsr.fadeOutVel = seqLayer->adsr.releaseRate * 24;
}
note->adsr.sustain = (note->adsr.current * seqLayer->seqChannel->adsr.sustain) / 0x10000;
#endif
}
}
if (target == ADSR_STATE_DECAY) {
audio_list_remove(&note->listItem);
audio_list_push_front(&note->listItem.pool->decaying, &note->listItem);
}
}
void seq_channel_layer_note_decay(struct SequenceChannelLayer *seqLayer) {
seq_channel_layer_decay_release_internal(seqLayer, ADSR_STATE_DECAY);
}
void seq_channel_layer_note_release(struct SequenceChannelLayer *seqLayer) {
seq_channel_layer_decay_release_internal(seqLayer, ADSR_STATE_RELEASE);
}
#ifdef VERSION_EU
s32 build_synthetic_wave(struct Note *note, struct SequenceChannelLayer *seqLayer, s32 waveId) {
f32 freqScale;
f32 ratio;
u8 sampleCountIndex;
if (waveId < 128) {
waveId = 128;
}
freqScale = seqLayer->freqScale;
if (seqLayer->portamento.mode != 0 && 0.0f < seqLayer->portamento.extent) {
freqScale *= (seqLayer->portamento.extent + 1.0f);
}
if (freqScale < 1.0f) {
sampleCountIndex = 0;
ratio = 1.0465f;
} else if (freqScale < 2.0f) {
sampleCountIndex = 1;
ratio = 0.52325f;
} else if (freqScale < 4.0f) {
sampleCountIndex = 2;
ratio = 0.26263f;
} else {
sampleCountIndex = 3;
ratio = 0.13081f;
}
seqLayer->freqScale *= ratio;
note->waveId = waveId;
note->sampleCountIndex = sampleCountIndex;
note->noteSubEu.sound.samples = &gWaveSamples[waveId - 128][sampleCountIndex * 64];
return sampleCountIndex;
}
#else
void build_synthetic_wave(struct Note *note, struct SequenceChannelLayer *seqLayer) {
s32 i;
s32 j;
s32 pos;
s32 stepSize;
s32 offset;
u8 lim;
u8 origSampleCount = note->sampleCount;
if (seqLayer->freqScale < US_FLOAT(1.0)) {
note->sampleCount = 64;
seqLayer->freqScale *= US_FLOAT(1.0465);
stepSize = 1;
} else if (seqLayer->freqScale < US_FLOAT(2.0)) {
note->sampleCount = 32;
seqLayer->freqScale *= US_FLOAT(0.52325);
stepSize = 2;
} else if (seqLayer->freqScale < US_FLOAT(4.0)) {
note->sampleCount = 16;
seqLayer->freqScale *= US_FLOAT(0.26263);
stepSize = 4;
} else {
note->sampleCount = 8;
seqLayer->freqScale *= US_FLOAT(0.13081);
stepSize = 8;
}
if (note->sampleCount == origSampleCount && seqLayer->seqChannel->instOrWave == note->instOrWave) {
return;
}
// Load wave sample
note->instOrWave = (u8) seqLayer->seqChannel->instOrWave;
for (i = -1, pos = 0; pos < 0x40; pos += stepSize) {
i++;
note->synthesisBuffers->samples[i] = gWaveSamples[seqLayer->seqChannel->instOrWave - 0x80][pos];
}
// Repeat sample
for (offset = note->sampleCount; offset < 0x40; offset += note->sampleCount) {
lim = note->sampleCount;
if (offset < 0 || offset > 0) {
for (j = 0; j < lim; j++) {
note->synthesisBuffers->samples[offset + j] = note->synthesisBuffers->samples[j];
}
} else {
for (j = 0; j < lim; j++) {
note->synthesisBuffers->samples[offset + j] = note->synthesisBuffers->samples[j];
}
}
}
osWritebackDCache(note->synthesisBuffers->samples, sizeof(note->synthesisBuffers->samples));
}
#endif
void init_synthetic_wave(struct Note *note, struct SequenceChannelLayer *seqLayer) {
#ifdef VERSION_EU
s32 sampleCountIndex;
s32 waveSampleCountIndex;
s32 waveId = seqLayer->instOrWave;
if (waveId == 0xff) {
waveId = seqLayer->seqChannel->instOrWave;
}
sampleCountIndex = note->sampleCountIndex;
waveSampleCountIndex = build_synthetic_wave(note, seqLayer, waveId);
note->synthesisState.samplePosInt = note->synthesisState.samplePosInt * euUnknownData_8030194c[waveSampleCountIndex] / euUnknownData_8030194c[sampleCountIndex];
#else
s32 sampleCount = note->sampleCount;
build_synthetic_wave(note, seqLayer);
if (sampleCount != 0) {
note->samplePosInt *= note->sampleCount / sampleCount;
} else {
note->samplePosInt = 0;
}
#endif
}
void init_note_list(struct AudioListItem *list) {
list->prev = list;
list->next = list;
list->u.count = 0;
}
void init_note_lists(struct NotePool *pool) {
init_note_list(&pool->disabled);
init_note_list(&pool->decaying);
init_note_list(&pool->releasing);
init_note_list(&pool->active);
pool->disabled.pool = pool;
pool->decaying.pool = pool;
pool->releasing.pool = pool;
pool->active.pool = pool;
}
void init_note_free_list(void) {
s32 i;
init_note_lists(&gNoteFreeLists);
for (i = 0; i < gMaxSimultaneousNotes; i++) {
gNotes[i].listItem.u.value = &gNotes[i];
gNotes[i].listItem.prev = NULL;
audio_list_push_back(&gNoteFreeLists.disabled, &gNotes[i].listItem);
}
}
void note_pool_clear(struct NotePool *pool) {
s32 i;
struct AudioListItem *source;
struct AudioListItem *cur;
struct AudioListItem *dest;
UNUSED s32 j; // unused in EU
for (i = 0; i < 4; i++) {
switch (i) {
case 0:
source = &pool->disabled;
dest = &gNoteFreeLists.disabled;
break;
case 1:
source = &pool->decaying;
dest = &gNoteFreeLists.decaying;
break;
case 2:
source = &pool->releasing;
dest = &gNoteFreeLists.releasing;
break;
case 3:
source = &pool->active;
dest = &gNoteFreeLists.active;
break;
}
#ifdef VERSION_EU
for (;;) {
cur = source->next;
if (cur == source || cur == NULL) {
break;
}
audio_list_remove(cur);
audio_list_push_back(dest, cur);
}
#else
j = 0;
do {
cur = source->next;
if (cur == source) {
break;
}
audio_list_remove(cur);
audio_list_push_back(dest, cur);
j++;
} while (j <= gMaxSimultaneousNotes);
#endif
}
}
void note_pool_fill(struct NotePool *pool, s32 count) {
s32 i;
s32 j;
struct Note *note;
struct AudioListItem *source;
struct AudioListItem *dest;
note_pool_clear(pool);
for (i = 0, j = 0; j < count; i++) {
if (i == 4) {
return;
}
switch (i) {
case 0:
source = &gNoteFreeLists.disabled;
dest = &pool->disabled;
break;
case 1:
source = &gNoteFreeLists.decaying;
dest = &pool->decaying;
break;
case 2:
source = &gNoteFreeLists.releasing;
dest = &pool->releasing;
break;
case 3:
source = &gNoteFreeLists.active;
dest = &pool->active;
break;
}
while (j < count) {
note = audio_list_pop_back(source);
if (note == NULL) {
break;
}
audio_list_push_back(dest, &note->listItem);
j++;
}
}
}
void audio_list_push_front(struct AudioListItem *list, struct AudioListItem *item) {
// add 'item' to the front of the list given by 'list', if it's not in any list
if (item->prev == NULL) {
item->prev = list;
item->next = list->next;
list->next->prev = item;
list->next = item;
list->u.count++;
item->pool = list->pool;
}
}
void audio_list_remove(struct AudioListItem *item) {
// remove 'item' from the list it's in, if any
if (item->prev != NULL) {
item->prev->next = item->next;
item->next->prev = item->prev;
item->prev = NULL;
}
}
struct Note *pop_node_with_value_less_equal(struct AudioListItem *list, s32 limit) {
struct AudioListItem *cur = list->next;
struct AudioListItem *best;
if (cur == list) {
return NULL;
}
best = cur;
for (; cur != list; cur = cur->next) {
if (((struct Note *) best->u.value)->priority >= ((struct Note *) cur->u.value)->priority) {
best = cur;
}
}
#ifdef VERSION_EU
if (best == NULL) {
return NULL;
}
if (limit <= ((struct Note *) best->u.value)->priority) {
return NULL;
}
#else
if (limit < ((struct Note *) best->u.value)->priority) {
return NULL;
}
#endif
audio_list_remove(best);
return best->u.value;
}
#if defined(VERSION_EU)
void note_init_for_layer(struct Note *note, struct SequenceChannelLayer *seqLayer) {
UNUSED s32 pad[4];
s16 instId;
struct NoteSubEu *sub = &note->noteSubEu;
note->prevParentLayer = NO_LAYER;
note->parentLayer = seqLayer;
note->priority = seqLayer->seqChannel->notePriority;
seqLayer->notePropertiesNeedInit = TRUE;
seqLayer->status = SOUND_LOAD_STATUS_DISCARDABLE; // "loaded"
seqLayer->note = note;
seqLayer->seqChannel->noteUnused = note;
seqLayer->seqChannel->layerUnused = seqLayer;
seqLayer->noteVelocity = 0.0f;
note_init(note);
instId = seqLayer->instOrWave;
if (instId == 0xff) {
instId = seqLayer->seqChannel->instOrWave;
}
sub->sound.audioBankSound = seqLayer->sound;
if (instId >= 0x80) {
sub->isSyntheticWave = TRUE;
} else {
sub->isSyntheticWave = FALSE;
}
if (sub->isSyntheticWave) {
build_synthetic_wave(note, seqLayer, instId);
}
sub->bankId = seqLayer->seqChannel->bankId;
sub->stereoHeadsetEffects = seqLayer->seqChannel->stereoHeadsetEffects;
sub->reverbIndex = seqLayer->seqChannel->reverbIndex & 3;
}
#else
s32 note_init_for_layer(struct Note *note, struct SequenceChannelLayer *seqLayer) {
note->prevParentLayer = NO_LAYER;
note->parentLayer = seqLayer;
note->priority = seqLayer->seqChannel->notePriority;
if (IS_BANK_LOAD_COMPLETE(seqLayer->seqChannel->bankId) == FALSE) {
return TRUE;
}
note->bankId = seqLayer->seqChannel->bankId;
note->stereoHeadsetEffects = seqLayer->seqChannel->stereoHeadsetEffects;
note->sound = seqLayer->sound;
seqLayer->status = SOUND_LOAD_STATUS_DISCARDABLE; // "loaded"
seqLayer->note = note;
seqLayer->seqChannel->noteUnused = note;
seqLayer->seqChannel->layerUnused = seqLayer;
if (note->sound == NULL) {
build_synthetic_wave(note, seqLayer);
}
note_init(note);
return FALSE;
}
#endif
void func_80319728(struct Note *note, struct SequenceChannelLayer *seqLayer) {
seq_channel_layer_note_release(note->parentLayer);
note->wantedParentLayer = seqLayer;
}
void note_release_and_take_ownership(struct Note *note, struct SequenceChannelLayer *seqLayer) {
note->wantedParentLayer = seqLayer;
note->priority = NOTE_PRIORITY_STOPPING;
#ifdef VERSION_EU
note->adsr.fadeOutVel = gAudioBufferParameters.updatesPerFrameInv;
#else
note->adsr.fadeOutVel = 0x8000 / gAudioUpdatesPerFrame;
#endif
note->adsr.action |= ADSR_ACTION_RELEASE;
}
struct Note *alloc_note_from_disabled(struct NotePool *pool, struct SequenceChannelLayer *seqLayer) {
struct Note *note = audio_list_pop_back(&pool->disabled);
if (note != NULL) {
#ifdef VERSION_EU
note_init_for_layer(note, seqLayer);
#else
if (note_init_for_layer(note, seqLayer) == TRUE) {
audio_list_push_front(&gNoteFreeLists.disabled, &note->listItem);
return NULL;
}
#endif
audio_list_push_front(&pool->active, &note->listItem);
}
return note;
}
struct Note *alloc_note_from_decaying(struct NotePool *pool, struct SequenceChannelLayer *seqLayer) {
struct Note *note = audio_list_pop_back(&pool->decaying);
if (note != NULL) {
note_release_and_take_ownership(note, seqLayer);
audio_list_push_back(&pool->releasing, &note->listItem);
}
return note;
}
struct Note *alloc_note_from_active(struct NotePool *pool, struct SequenceChannelLayer *seqLayer) {
struct Note *note =
pop_node_with_value_less_equal(&pool->active, seqLayer->seqChannel->notePriority);
if (note != NULL) {
func_80319728(note, seqLayer);
audio_list_push_back(&pool->releasing, &note->listItem);
}
return note;
}
struct Note *alloc_note(struct SequenceChannelLayer *seqLayer) {
struct Note *ret;
u32 policy = seqLayer->seqChannel->noteAllocPolicy;
if (policy & NOTE_ALLOC_LAYER) {
ret = seqLayer->note;
if (ret != NULL && ret->prevParentLayer == seqLayer
#ifdef VERSION_EU
&& ret->wantedParentLayer == NO_LAYER
#endif
) {
note_release_and_take_ownership(ret, seqLayer);
audio_list_remove(&ret->listItem);
#ifdef VERSION_EU
audio_list_push_back(&ret->listItem.pool->releasing, &ret->listItem);
#else
audio_list_push_back(&gNoteFreeLists.releasing, &ret->listItem);
#endif
return ret;
}
}
if (policy & NOTE_ALLOC_CHANNEL) {
if (!(ret = alloc_note_from_disabled(&seqLayer->seqChannel->notePool, seqLayer))
&& !(ret = alloc_note_from_decaying(&seqLayer->seqChannel->notePool, seqLayer))
&& !(ret = alloc_note_from_active(&seqLayer->seqChannel->notePool, seqLayer))) {
seqLayer->status = SOUND_LOAD_STATUS_NOT_LOADED;
return NULL;
}
return ret;
}
if (policy & NOTE_ALLOC_SEQ) {
if (!(ret = alloc_note_from_disabled(&seqLayer->seqChannel->notePool, seqLayer))
&& !(ret = alloc_note_from_disabled(&seqLayer->seqChannel->seqPlayer->notePool, seqLayer))
&& !(ret = alloc_note_from_decaying(&seqLayer->seqChannel->notePool, seqLayer))
&& !(ret = alloc_note_from_decaying(&seqLayer->seqChannel->seqPlayer->notePool, seqLayer))
&& !(ret = alloc_note_from_active(&seqLayer->seqChannel->notePool, seqLayer))
&& !(ret = alloc_note_from_active(&seqLayer->seqChannel->seqPlayer->notePool, seqLayer))) {
seqLayer->status = SOUND_LOAD_STATUS_NOT_LOADED;
return NULL;
}
return ret;
}
if (policy & NOTE_ALLOC_GLOBAL_FREELIST) {
if (!(ret = alloc_note_from_disabled(&gNoteFreeLists, seqLayer))
&& !(ret = alloc_note_from_decaying(&gNoteFreeLists, seqLayer))
&& !(ret = alloc_note_from_active(&gNoteFreeLists, seqLayer))) {
seqLayer->status = SOUND_LOAD_STATUS_NOT_LOADED;
return NULL;
}
return ret;
}
if (!(ret = alloc_note_from_disabled(&seqLayer->seqChannel->notePool, seqLayer))
&& !(ret = alloc_note_from_disabled(&seqLayer->seqChannel->seqPlayer->notePool, seqLayer))
&& !(ret = alloc_note_from_disabled(&gNoteFreeLists, seqLayer))
&& !(ret = alloc_note_from_decaying(&seqLayer->seqChannel->notePool, seqLayer))
&& !(ret = alloc_note_from_decaying(&seqLayer->seqChannel->seqPlayer->notePool, seqLayer))
&& !(ret = alloc_note_from_decaying(&gNoteFreeLists, seqLayer))
&& !(ret = alloc_note_from_active(&seqLayer->seqChannel->notePool, seqLayer))
&& !(ret = alloc_note_from_active(&seqLayer->seqChannel->seqPlayer->notePool, seqLayer))
&& !(ret = alloc_note_from_active(&gNoteFreeLists, seqLayer))) {
seqLayer->status = SOUND_LOAD_STATUS_NOT_LOADED;
return NULL;
}
return ret;
}
#ifndef VERSION_EU
void reclaim_notes(void) {
struct Note *note;
s32 i;
s32 cond;
for (i = 0; i < gMaxSimultaneousNotes; i++) {
note = &gNotes[i];
if (note->parentLayer != NO_LAYER) {
cond = FALSE;
if (!note->parentLayer->enabled && note->priority >= NOTE_PRIORITY_MIN) {
cond = TRUE;
} else if (note->parentLayer->seqChannel == NULL) {
audio_list_push_back(&gLayerFreeList, &note->parentLayer->listItem);
seq_channel_layer_disable(note->parentLayer);
note->priority = NOTE_PRIORITY_STOPPING;
} else if (note->parentLayer->seqChannel->seqPlayer == NULL) {
sequence_channel_disable(note->parentLayer->seqChannel);
note->priority = NOTE_PRIORITY_STOPPING;
} else if (note->parentLayer->seqChannel->seqPlayer->muted) {
if (note->parentLayer->seqChannel->muteBehavior
& (MUTE_BEHAVIOR_STOP_SCRIPT | MUTE_BEHAVIOR_STOP_NOTES)) {
cond = TRUE;
}
} else {
cond = FALSE;
}
if (cond) {
seq_channel_layer_note_release(note->parentLayer);
audio_list_remove(&note->listItem);
audio_list_push_front(&note->listItem.pool->disabled, &note->listItem);
note->priority = NOTE_PRIORITY_STOPPING;
}
}
}
}
#endif
void note_init_all(void) {
struct Note *note;
s32 i;
for (i = 0; i < gMaxSimultaneousNotes; i++) {
note = &gNotes[i];
#ifdef VERSION_EU
note->noteSubEu = gZeroNoteSub;
#else
note->enabled = FALSE;
note->stereoStrongRight = FALSE;
note->stereoStrongLeft = FALSE;
note->stereoHeadsetEffects = FALSE;
#endif
note->priority = NOTE_PRIORITY_DISABLED;
note->parentLayer = NO_LAYER;
note->wantedParentLayer = NO_LAYER;
note->prevParentLayer = NO_LAYER;
#ifdef VERSION_EU
note->waveId = 0;
#else
note->reverb = 0;
note->usesHeadsetPanEffects = FALSE;
note->sampleCount = 0;
note->instOrWave = 0;
note->targetVolLeft = 0;
note->targetVolRight = 0;
note->frequency = 0.0f;
note->unused1 = 0x3f;
#endif
note->attributes.velocity = 0.0f;
note->adsrVolScale = 0;
note->adsr.state = ADSR_STATE_DISABLED;
note->adsr.action = 0;
note->vibratoState.active = FALSE;
note->portamento.cur = 0.0f;
note->portamento.speed = 0.0f;
#ifdef VERSION_EU
note->synthesisState.synthesisBuffers = soundAlloc(&gNotesAndBuffersPool, sizeof(struct NoteSynthesisBuffers));
#else
note->synthesisBuffers = soundAlloc(&gNotesAndBuffersPool, sizeof(struct NoteSynthesisBuffers));
#endif
}
}
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