Shipwright/soh/src/code/audio_heap.c
Christopher Leggett d9008938f8
Makes sequenceMap and seqLoadStatus a dynamic size (#2610)
Refactors to allow the above two arrays to be a dynamic size when the game launches, size is set during the AudioLoad_Init function.
2023-03-12 15:55:25 -04:00

1405 lines
50 KiB
C

#include <libultraship/libultra.h>
#include "global.h"
void AudioHeap_InitSampleCaches(u32 persistentSize, u32 temporarySize);
SampleCacheEntry* AudioHeap_AllocTemporarySampleCacheEntry(size_t size);
SampleCacheEntry* AudioHeap_AllocPersistentSampleCacheEntry(size_t size);
void AudioHeap_DiscardSampleCacheEntry(SampleCacheEntry* entry);
void AudioHeap_UnapplySampleCache(SampleCacheEntry* entry, SoundFontSample* sample);
void AudioHeap_DiscardSampleCaches(void);
void AudioHeap_DiscardSampleBank(s32 sampleBankId);
void AudioHeap_DiscardSampleBanks(void);
f32 func_800DDE20(f32 arg0) {
return 256.0f * gAudioContext.audioBufferParameters.unkUpdatesPerFrameScaled / arg0;
}
void func_800DDE3C(void) {
s32 i;
gAudioContext.unk_3520[255] = func_800DDE20(0.25f);
gAudioContext.unk_3520[254] = func_800DDE20(0.33f);
gAudioContext.unk_3520[253] = func_800DDE20(0.5f);
gAudioContext.unk_3520[252] = func_800DDE20(0.66f);
gAudioContext.unk_3520[251] = func_800DDE20(0.75f);
for (i = 128; i < 251; i++) {
gAudioContext.unk_3520[i] = func_800DDE20(251 - i);
}
for (i = 16; i < 128; i++) {
gAudioContext.unk_3520[i] = func_800DDE20(4 * (143 - i));
}
for (i = 1; i < 16; i++) {
gAudioContext.unk_3520[i] = func_800DDE20(60 * (23 - i));
}
gAudioContext.unk_3520[0] = 0.0f;
}
void AudioHeap_ResetLoadStatus(void) {
s32 i;
for (i = 0; i < 0x30; i++) {
if (gAudioContext.fontLoadStatus[i] != 5) {
gAudioContext.fontLoadStatus[i] = 0;
}
}
for (i = 0; i < 0x30; i++) {
if (gAudioContext.sampleFontLoadStatus[i] != 5) {
gAudioContext.sampleFontLoadStatus[i] = 0;
}
}
for (i = 0; i < sequenceMapSize; i++) {
if (gAudioContext.seqLoadStatus[i] != 5) {
gAudioContext.seqLoadStatus[i] = 0;
}
}
}
void AudioHeap_DiscardFont(s32 fontId) {
s32 i;
for (i = 0; i < gAudioContext.numNotes; i++) {
Note* note = &gAudioContext.notes[i];
if (note->playbackState.fontId == fontId) {
if (note->playbackState.unk_04 == 0 && note->playbackState.priority != 0) {
note->playbackState.parentLayer->enabled = false;
note->playbackState.parentLayer->finished = true;
}
Audio_NoteDisable(note);
Audio_AudioListRemove(&note->listItem);
AudioSeq_AudioListPushBack(&gAudioContext.noteFreeLists.disabled, &note->listItem);
}
}
}
void AudioHeap_ReleaseNotesForFont(s32 fontId) {
s32 i;
for (i = 0; i < gAudioContext.numNotes; i++) {
Note* note = &gAudioContext.notes[i];
NotePlaybackState* state = &note->playbackState;
if (state->fontId == fontId) {
if (state->priority != 0 && state->adsr.action.s.state == ADSR_STATE_DECAY) {
state->priority = 1;
state->adsr.fadeOutVel = gAudioContext.audioBufferParameters.updatesPerFrameInv;
state->adsr.action.s.release = true;
}
}
}
}
void AudioHeap_DiscardSequence(s32 seqId) {
s32 i;
for (i = 0; i < gAudioContext.audioBufferParameters.numSequencePlayers; i++) {
if (gAudioContext.seqPlayers[i].enabled && gAudioContext.seqPlayers[i].seqId == seqId) {
AudioSeq_SequencePlayerDisable(&gAudioContext.seqPlayers[i]);
}
}
}
void AudioHeap_WritebackDCache(void* mem, size_t size) {
Audio_WritebackDCache(mem, size);
}
void* AudioHeap_AllocZeroedAttemptExternal(AudioAllocPool* pool, size_t size) {
void* ret = NULL;
if (gAudioContext.externalPool.start != 0) {
ret = AudioHeap_AllocZeroed(&gAudioContext.externalPool, size);
}
if (ret == NULL) {
ret = AudioHeap_AllocZeroed(pool, size);
}
return ret;
}
void* AudioHeap_AllocAttemptExternal(AudioAllocPool* pool, size_t size) {
void* ret = NULL;
if (gAudioContext.externalPool.start != NULL) {
ret = AudioHeap_Alloc(&gAudioContext.externalPool, size);
}
if (ret == NULL) {
ret = AudioHeap_Alloc(pool, size);
}
return ret;
}
void* AudioHeap_AllocDmaMemory(AudioAllocPool* pool, size_t size) {
void* ret;
ret = AudioHeap_Alloc(pool, size);
if (ret != NULL) {
AudioHeap_WritebackDCache(ret, size);
}
return ret;
}
void* AudioHeap_AllocDmaMemoryZeroed(AudioAllocPool* pool, size_t size) {
void* ret;
ret = AudioHeap_AllocZeroed(pool, size);
if (ret != NULL) {
AudioHeap_WritebackDCache(ret, size);
}
return ret;
}
void* AudioHeap_AllocZeroed(AudioAllocPool* pool, size_t size) {
u8* ret = AudioHeap_Alloc(pool, size);
u8* ptr;
if (ret != NULL) {
for (ptr = ret; ptr < pool->cur; ptr++) {
*ptr = 0;
}
}
return ret;
}
void* AudioHeap_Alloc(AudioAllocPool* pool, size_t size) {
u32 aligned = ALIGN16(size);
u8* ret = pool->cur;
if (pool->start + pool->size >= pool->cur + aligned) {
pool->cur += aligned;
} else {
return NULL;
}
pool->count++;
return ret;
}
void AudioHeap_AllocPoolInit(AudioAllocPool* pool, void* mem, size_t size) {
pool->cur = pool->start = (u8*)ALIGN16((uintptr_t)mem);
pool->size = size - ((uintptr_t)mem & 0xF);
pool->count = 0;
}
void AudioHeap_PersistentCacheClear(AudioPersistentCache* persistent) {
persistent->pool.count = 0;
persistent->numEntries = 0;
persistent->pool.cur = persistent->pool.start;
}
void AudioHeap_TemporaryCacheClear(AudioTemporaryCache* temporary) {
temporary->pool.count = 0;
temporary->pool.cur = temporary->pool.start;
temporary->nextSide = 0;
temporary->entries[0].ptr = temporary->pool.start;
temporary->entries[1].ptr = temporary->pool.start + temporary->pool.size;
temporary->entries[0].id = -1;
temporary->entries[1].id = -1;
}
void AudioHeap_ResetPool(AudioAllocPool* pool) {
pool->count = 0;
pool->cur = pool->start;
}
void AudioHeap_PopCache(s32 tableType) {
AudioCache* loadedPool;
AudioAllocPool* persistentPool;
AudioPersistentCache* persistent;
void* entryPtr;
u8* table;
switch (tableType) {
case SEQUENCE_TABLE:
loadedPool = &gAudioContext.seqCache;
table = gAudioContext.seqLoadStatus;
break;
case FONT_TABLE:
loadedPool = &gAudioContext.fontCache;
table = gAudioContext.fontLoadStatus;
break;
case SAMPLE_TABLE:
loadedPool = &gAudioContext.sampleBankCache;
table = gAudioContext.sampleFontLoadStatus;
break;
}
persistent = &loadedPool->persistent;
persistentPool = &persistent->pool;
if (persistent->numEntries == 0) {
return;
}
entryPtr = persistent->entries[persistent->numEntries - 1].ptr;
persistentPool->cur = entryPtr;
persistentPool->count--;
if (tableType == SAMPLE_TABLE) {
AudioHeap_DiscardSampleBank(persistent->entries[persistent->numEntries - 1].id);
}
if (tableType == FONT_TABLE) {
AudioHeap_DiscardFont(persistent->entries[persistent->numEntries - 1].id);
}
table[persistent->entries[persistent->numEntries - 1].id] = 0;
persistent->numEntries--;
}
void AudioHeap_InitMainPools(size_t initPoolSize) {
AudioHeap_AllocPoolInit(&gAudioContext.audioInitPool, gAudioContext.audioHeap, initPoolSize);
AudioHeap_AllocPoolInit(&gAudioContext.audioSessionPool, gAudioContext.audioHeap + initPoolSize,
gAudioContext.audioHeapSize - initPoolSize);
gAudioContext.externalPool.start = NULL;
}
void AudioHeap_SessionPoolsInit(AudioPoolSplit4* split) {
gAudioContext.audioSessionPool.cur = gAudioContext.audioSessionPool.start;
AudioHeap_AllocPoolInit(&gAudioContext.notesAndBuffersPool,
AudioHeap_Alloc(&gAudioContext.audioSessionPool, split->wantSeq), split->wantSeq);
AudioHeap_AllocPoolInit(&gAudioContext.cachePool,
AudioHeap_Alloc(&gAudioContext.audioSessionPool, split->wantCustom), split->wantCustom);
}
void AudioHeap_CachePoolInit(AudioPoolSplit2* split) {
gAudioContext.cachePool.cur = gAudioContext.cachePool.start;
AudioHeap_AllocPoolInit(&gAudioContext.persistentCommonPool,
AudioHeap_Alloc(&gAudioContext.cachePool, split->wantPersistent), split->wantPersistent);
AudioHeap_AllocPoolInit(&gAudioContext.temporaryCommonPool,
AudioHeap_Alloc(&gAudioContext.cachePool, split->wantTemporary), split->wantTemporary);
}
void AudioHeap_PersistentCachesInit(AudioPoolSplit3* split) {
gAudioContext.persistentCommonPool.cur = gAudioContext.persistentCommonPool.start;
AudioHeap_AllocPoolInit(&gAudioContext.seqCache.persistent.pool,
AudioHeap_Alloc(&gAudioContext.persistentCommonPool, split->wantSeq), split->wantSeq);
AudioHeap_AllocPoolInit(&gAudioContext.fontCache.persistent.pool,
AudioHeap_Alloc(&gAudioContext.persistentCommonPool, split->wantFont), split->wantFont);
AudioHeap_AllocPoolInit(&gAudioContext.sampleBankCache.persistent.pool,
AudioHeap_Alloc(&gAudioContext.persistentCommonPool, split->wantSample), split->wantSample);
AudioHeap_PersistentCacheClear(&gAudioContext.seqCache.persistent);
AudioHeap_PersistentCacheClear(&gAudioContext.fontCache.persistent);
AudioHeap_PersistentCacheClear(&gAudioContext.sampleBankCache.persistent);
}
void AudioHeap_TemporaryCachesInit(AudioPoolSplit3* split) {
gAudioContext.temporaryCommonPool.cur = gAudioContext.temporaryCommonPool.start;
AudioHeap_AllocPoolInit(&gAudioContext.seqCache.temporary.pool,
AudioHeap_Alloc(&gAudioContext.temporaryCommonPool, split->wantSeq), split->wantSeq);
AudioHeap_AllocPoolInit(&gAudioContext.fontCache.temporary.pool,
AudioHeap_Alloc(&gAudioContext.temporaryCommonPool, split->wantFont), split->wantFont);
AudioHeap_AllocPoolInit(&gAudioContext.sampleBankCache.temporary.pool,
AudioHeap_Alloc(&gAudioContext.temporaryCommonPool, split->wantSample), split->wantSample);
AudioHeap_TemporaryCacheClear(&gAudioContext.seqCache.temporary);
AudioHeap_TemporaryCacheClear(&gAudioContext.fontCache.temporary);
AudioHeap_TemporaryCacheClear(&gAudioContext.sampleBankCache.temporary);
}
void* AudioHeap_AllocCached(s32 tableType, ptrdiff_t size, s32 cache, s32 id) {
AudioCache* loadedPool;
AudioTemporaryCache* tp;
AudioAllocPool* pool;
void* mem;
void* ret;
u8 firstVal;
u8 secondVal;
s32 i;
u8* table;
s32 side;
switch (tableType) {
case SEQUENCE_TABLE:
loadedPool = &gAudioContext.seqCache;
table = gAudioContext.seqLoadStatus;
break;
case FONT_TABLE:
loadedPool = &gAudioContext.fontCache;
table = gAudioContext.fontLoadStatus;
break;
case SAMPLE_TABLE:
loadedPool = &gAudioContext.sampleBankCache;
table = gAudioContext.sampleFontLoadStatus;
break;
}
if (cache == CACHE_TEMPORARY) {
tp = &loadedPool->temporary;
pool = &tp->pool;
if (pool->size < size) {
return NULL;
}
firstVal = (tp->entries[0].id == -1) ? 0 : table[tp->entries[0].id];
secondVal = (tp->entries[1].id == -1) ? 0 : table[tp->entries[1].id];
if (tableType == FONT_TABLE) {
if (firstVal == 4) {
for (i = 0; i < gAudioContext.numNotes; i++) {
if (gAudioContext.notes[i].playbackState.fontId == tp->entries[0].id &&
gAudioContext.notes[i].noteSubEu.bitField0.enabled != 0) {
break;
}
}
if (i == gAudioContext.numNotes) {
AudioLoad_SetFontLoadStatus(tp->entries[0].id, 3);
firstVal = 3;
}
}
if (secondVal == 4) {
for (i = 0; i < gAudioContext.numNotes; i++) {
if (gAudioContext.notes[i].playbackState.fontId == tp->entries[1].id &&
gAudioContext.notes[i].noteSubEu.bitField0.enabled != 0) {
break;
}
}
if (i == gAudioContext.numNotes) {
AudioLoad_SetFontLoadStatus(tp->entries[1].id, 3);
secondVal = 3;
}
}
}
if (firstVal == 0) {
tp->nextSide = 0;
} else if (secondVal == 0) {
tp->nextSide = 1;
} else if (firstVal == 3 && secondVal == 3) {
// Use the opposite side from last time.
} else if (firstVal == 3) {
tp->nextSide = 0;
} else if (secondVal == 3) {
tp->nextSide = 1;
} else {
// Check if there is a side which isn't in active use, if so, evict that one.
if (tableType == SEQUENCE_TABLE) {
if (firstVal == 2) {
for (i = 0; i < gAudioContext.audioBufferParameters.numSequencePlayers; i++) {
if (gAudioContext.seqPlayers[i].enabled != 0 &&
gAudioContext.seqPlayers[i].seqId == tp->entries[0].id) {
break;
}
}
if (i == gAudioContext.audioBufferParameters.numSequencePlayers) {
tp->nextSide = 0;
goto done;
}
}
if (secondVal == 2) {
for (i = 0; i < gAudioContext.audioBufferParameters.numSequencePlayers; i++) {
if (gAudioContext.seqPlayers[i].enabled != 0 &&
gAudioContext.seqPlayers[i].seqId == tp->entries[1].id) {
break;
}
}
if (i == gAudioContext.audioBufferParameters.numSequencePlayers) {
tp->nextSide = 1;
goto done;
}
}
} else if (tableType == FONT_TABLE) {
if (firstVal == 2) {
for (i = 0; i < gAudioContext.numNotes; i++) {
if (gAudioContext.notes[i].playbackState.fontId == tp->entries[0].id &&
gAudioContext.notes[i].noteSubEu.bitField0.enabled != 0) {
break;
}
}
if (i == gAudioContext.numNotes) {
tp->nextSide = 0;
goto done;
}
}
if (secondVal == 2) {
for (i = 0; i < gAudioContext.numNotes; i++) {
if (gAudioContext.notes[i].playbackState.fontId == tp->entries[1].id &&
gAudioContext.notes[i].noteSubEu.bitField0.enabled != 0) {
break;
}
}
if (i == gAudioContext.numNotes) {
tp->nextSide = 1;
goto done;
}
}
}
// No such luck. Evict the side that wasn't chosen last time, except
// if it is being loaded into.
if (tp->nextSide == 0) {
if (firstVal == 1) {
if (secondVal == 1) {
goto fail;
}
tp->nextSide = 1;
}
} else {
if (secondVal == 1) {
if (firstVal == 1) {
goto fail;
}
tp->nextSide = 0;
}
}
if (0) {
fail:
// Both sides are being loaded into.
return NULL;
}
}
done:
side = tp->nextSide;
if (tp->entries[side].id != -1) {
if (tableType == SAMPLE_TABLE) {
AudioHeap_DiscardSampleBank(tp->entries[side].id);
}
table[tp->entries[side].id] = 0;
if (tableType == FONT_TABLE) {
AudioHeap_DiscardFont(tp->entries[side].id);
}
}
switch (side) {
case 0:
tp->entries[0].ptr = pool->start;
tp->entries[0].id = id;
tp->entries[0].size = size;
pool->cur = pool->start + size;
if (tp->entries[1].id != -1 && tp->entries[1].ptr < pool->cur) {
if (tableType == SAMPLE_TABLE) {
AudioHeap_DiscardSampleBank(tp->entries[1].id);
}
table[tp->entries[1].id] = 0;
switch (tableType) {
case SEQUENCE_TABLE:
AudioHeap_DiscardSequence((s32)tp->entries[1].id);
break;
case FONT_TABLE:
AudioHeap_DiscardFont((s32)tp->entries[1].id);
break;
}
tp->entries[1].id = -1;
tp->entries[1].ptr = pool->start + pool->size;
}
ret = tp->entries[0].ptr;
break;
case 1:
tp->entries[1].ptr = (u8*)((uintptr_t)(pool->start + pool->size - size) & ~0xF);
tp->entries[1].id = id;
tp->entries[1].size = size;
if (tp->entries[0].id != -1 && tp->entries[1].ptr < pool->cur) {
if (tableType == SAMPLE_TABLE) {
AudioHeap_DiscardSampleBank(tp->entries[0].id);
}
table[tp->entries[0].id] = 0;
switch (tableType) {
case SEQUENCE_TABLE:
AudioHeap_DiscardSequence(tp->entries[0].id);
break;
case FONT_TABLE:
AudioHeap_DiscardFont(tp->entries[0].id);
break;
}
tp->entries[0].id = -1;
pool->cur = pool->start;
}
ret = tp->entries[1].ptr;
break;
default:
return NULL;
}
tp->nextSide ^= 1;
return ret;
}
mem = AudioHeap_Alloc(&loadedPool->persistent.pool, size);
loadedPool->persistent.entries[loadedPool->persistent.numEntries].ptr = mem;
if (mem == NULL) {
switch (cache) {
case CACHE_EITHER:
return AudioHeap_AllocCached(tableType, size, CACHE_TEMPORARY, id);
case CACHE_TEMPORARY:
case CACHE_PERSISTENT:
return NULL;
}
}
loadedPool->persistent.entries[loadedPool->persistent.numEntries].id = id;
loadedPool->persistent.entries[loadedPool->persistent.numEntries].size = size;
return loadedPool->persistent.entries[loadedPool->persistent.numEntries++].ptr;
}
void* AudioHeap_SearchCaches(s32 tableType, s32 cache, s32 id) {
void* ret;
// Always search the permanent cache in addition to the regular ones.
ret = AudioHeap_SearchPermanentCache(tableType, id);
if (ret != NULL) {
return ret;
}
if (cache == CACHE_PERMANENT) {
return NULL;
}
return AudioHeap_SearchRegularCaches(tableType, cache, id);
}
void* AudioHeap_SearchRegularCaches(s32 tableType, s32 cache, s32 id) {
u32 i;
AudioCache* loadedPool;
AudioTemporaryCache* temporary;
AudioPersistentCache* persistent;
switch (tableType) {
case SEQUENCE_TABLE:
loadedPool = &gAudioContext.seqCache;
break;
case FONT_TABLE:
loadedPool = &gAudioContext.fontCache;
break;
case SAMPLE_TABLE:
loadedPool = &gAudioContext.sampleBankCache;
break;
}
temporary = &loadedPool->temporary;
if (cache == CACHE_TEMPORARY) {
if (temporary->entries[0].id == id) {
temporary->nextSide = 1;
return temporary->entries[0].ptr;
} else if (temporary->entries[1].id == id) {
temporary->nextSide = 0;
return temporary->entries[1].ptr;
} else {
return NULL;
}
}
persistent = &loadedPool->persistent;
for (i = 0; i < persistent->numEntries; i++) {
if (persistent->entries[i].id == id) {
return persistent->entries[i].ptr;
}
}
if (cache == CACHE_EITHER) {
return AudioHeap_SearchCaches(tableType, CACHE_TEMPORARY, id);
}
return NULL;
}
void func_800DF1D8(f32 p, f32 q, u16* out) {
// With the bug below fixed, this mysterious unused function computes two recurrences
// out[0..7] = a_i, out[8..15] = b_i, where
// a_{-2} = b_{-1} = 262159 = 2^18 + 15
// a_{-1} = b_{-2} = 0
// a_i = q * a_{i-1} + p * a_{i-2}
// b_i = q * b_{i-1} + p * b_{i-2}
// These grow exponentially if p < -1 or p + |q| > 1.
s32 i;
f32 tmp[16];
tmp[0] = (f32)(q * 262159.0f);
tmp[8] = (f32)(p * 262159.0f);
tmp[1] = (f32)((q * p) * 262159.0f);
tmp[9] = (f32)(((p * p) + q) * 262159.0f);
for (i = 2; i < 8; i++) {
//! @bug value should be stored to tmp[i] and tmp[8 + i], otherwise we read
//! garbage in later loop iterations.
out[i] = q * tmp[i - 2] + p * tmp[i - 1];
out[8 + i] = q * tmp[6 + i] + p * tmp[7 + i];
}
for (i = 0; i < 16; i++) {
out[i] = tmp[i];
}
}
void AudioHeap_ClearFilter(s16* filter) {
s32 i;
for (i = 0; i < 8; i++) {
filter[i] = 0;
}
}
void AudioHeap_LoadLowPassFilter(s16* filter, s32 cutoff) {
s32 i;
s16* ptr = &sLowPassFilterData[8 * cutoff];
for (i = 0; i < 8; i++) {
filter[i] = ptr[i];
}
}
void AudioHeap_LoadHighPassFilter(s16* filter, s32 cutoff) {
s32 i;
s16* ptr = &sHighPassFilterData[8 * (cutoff - 1)];
for (i = 0; i < 8; i++) {
filter[i] = ptr[i];
}
}
void AudioHeap_LoadFilter(s16* filter, s32 lowPassCutoff, s32 highPassCutoff) {
s32 i;
if (lowPassCutoff == 0 && highPassCutoff == 0) {
// Identity filter
AudioHeap_LoadLowPassFilter(filter, 0);
} else if (highPassCutoff == 0) {
AudioHeap_LoadLowPassFilter(filter, lowPassCutoff);
} else if (lowPassCutoff == 0) {
AudioHeap_LoadHighPassFilter(filter, highPassCutoff);
} else {
s16* ptr1 = &sLowPassFilterData[8 * lowPassCutoff];
s16* ptr2 = &sHighPassFilterData[8 * (highPassCutoff - 1)];
for (i = 0; i < 8; i++) {
filter[i] = (ptr1[i] + ptr2[i]) / 2;
}
}
}
void AudioHeap_UpdateReverb(SynthesisReverb* reverb) {
}
void AudioHeap_UpdateReverbs(void) {
s32 count;
s32 i;
s32 j;
if (gAudioContext.audioBufferParameters.specUnk4 == 2) {
count = 2;
} else {
count = 1;
}
for (i = 0; i < gAudioContext.numSynthesisReverbs; i++) {
for (j = 0; j < count; j++) {
AudioHeap_UpdateReverb(&gAudioContext.synthesisReverbs[i]);
}
}
}
void AudioHeap_ClearAiBuffers(void) {
s32 ind;
s32 i;
ind = gAudioContext.curAIBufIdx;
gAudioContext.aiBufLengths[ind] = gAudioContext.audioBufferParameters.minAiBufferLength;
for (i = 0; i < AIBUF_LEN; i++) {
gAudioContext.aiBuffers[ind][i] = 0;
}
}
s32 AudioHeap_ResetStep(void) {
s32 i;
s32 j;
s32 sp24;
if (gAudioContext.audioBufferParameters.specUnk4 == 2) {
sp24 = 2;
} else {
sp24 = 1;
}
switch (gAudioContext.resetStatus) {
case 5:
for (i = 0; i < gAudioContext.audioBufferParameters.numSequencePlayers; i++) {
AudioSeq_SequencePlayerDisableAsFinished(&gAudioContext.seqPlayers[i]);
}
gAudioContext.audioResetFadeOutFramesLeft = 2 / sp24;
gAudioContext.resetStatus--;
break;
case 4:
if (gAudioContext.audioResetFadeOutFramesLeft != 0) {
gAudioContext.audioResetFadeOutFramesLeft--;
AudioHeap_UpdateReverbs();
} else {
for (i = 0; i < gAudioContext.numNotes; i++) {
if (gAudioContext.notes[i].noteSubEu.bitField0.enabled &&
gAudioContext.notes[i].playbackState.adsr.action.s.state != ADSR_STATE_DISABLED) {
gAudioContext.notes[i].playbackState.adsr.fadeOutVel =
gAudioContext.audioBufferParameters.updatesPerFrameInv;
gAudioContext.notes[i].playbackState.adsr.action.s.release = true;
}
}
gAudioContext.audioResetFadeOutFramesLeft = 8 / sp24;
gAudioContext.resetStatus--;
}
break;
case 3:
if (gAudioContext.audioResetFadeOutFramesLeft != 0) {
gAudioContext.audioResetFadeOutFramesLeft--;
AudioHeap_UpdateReverbs();
} else {
gAudioContext.audioResetFadeOutFramesLeft = 2 / sp24;
gAudioContext.resetStatus--;
}
break;
case 2:
AudioHeap_ClearAiBuffers();
if (gAudioContext.audioResetFadeOutFramesLeft != 0) {
gAudioContext.audioResetFadeOutFramesLeft--;
} else {
gAudioContext.resetStatus--;
AudioHeap_DiscardSampleCaches();
AudioHeap_DiscardSampleBanks();
}
break;
case 1:
AudioHeap_Init();
gAudioContext.resetStatus = 0;
for (i = 0; i < 3; i++) {
gAudioContext.aiBufLengths[i] = gAudioContext.audioBufferParameters.maxAiBufferLength;
for (j = 0; j < AIBUF_LEN; j++) {
gAudioContext.aiBuffers[i][j] = 0;
}
}
break;
}
if (gAudioContext.resetStatus < 3) {
return 0;
}
return 1;
}
void AudioHeap_Init(void) {
s32 pad1[4];
s16* mem;
s32 persistentMem;
s32 temporaryMem;
s32 totalMem;
s32 wantMisc;
OSIntMask intMask;
s32 i;
s32 j;
s32 pad2;
AudioSpec* spec;
spec = &gAudioSpecs[gAudioContext.audioResetSpecIdToLoad];
gAudioContext.sampleDmaCount = 0;
gAudioContext.audioBufferParameters.frequency = spec->frequency;
gAudioContext.audioBufferParameters.aiFrequency = osAiSetFrequency(gAudioContext.audioBufferParameters.frequency);
gAudioContext.audioBufferParameters.samplesPerFrameTarget =
((gAudioContext.audioBufferParameters.frequency / gAudioContext.refreshRate) + 0xF) & 0xFFF0;
gAudioContext.audioBufferParameters.minAiBufferLength =
gAudioContext.audioBufferParameters.samplesPerFrameTarget - 0x10;
gAudioContext.audioBufferParameters.maxAiBufferLength =
gAudioContext.audioBufferParameters.samplesPerFrameTarget + 0x10;
gAudioContext.audioBufferParameters.updatesPerFrame =
((gAudioContext.audioBufferParameters.samplesPerFrameTarget + 0x10) / 0xD0) + 1;
gAudioContext.audioBufferParameters.samplesPerUpdate = (gAudioContext.audioBufferParameters.samplesPerFrameTarget /
gAudioContext.audioBufferParameters.updatesPerFrame) &
~7;
gAudioContext.audioBufferParameters.samplesPerUpdateMax = gAudioContext.audioBufferParameters.samplesPerUpdate + 8;
gAudioContext.audioBufferParameters.samplesPerUpdateMin = gAudioContext.audioBufferParameters.samplesPerUpdate - 8;
gAudioContext.audioBufferParameters.resampleRate = 32000.0f / (s32)gAudioContext.audioBufferParameters.frequency;
gAudioContext.audioBufferParameters.unkUpdatesPerFrameScaled =
(1.0f / 256.0f) / gAudioContext.audioBufferParameters.updatesPerFrame;
gAudioContext.audioBufferParameters.unk_24 = gAudioContext.audioBufferParameters.updatesPerFrame * 0.25f;
gAudioContext.audioBufferParameters.updatesPerFrameInv = 1.0f / gAudioContext.audioBufferParameters.updatesPerFrame;
gAudioContext.sampleDmaBufSize1 = spec->sampleDmaBufSize1;
gAudioContext.sampleDmaBufSize2 = spec->sampleDmaBufSize2;
gAudioContext.numNotes = spec->numNotes;
gAudioContext.audioBufferParameters.numSequencePlayers = spec->numSequencePlayers;
if (gAudioContext.audioBufferParameters.numSequencePlayers > 4) {
gAudioContext.audioBufferParameters.numSequencePlayers = 4;
}
gAudioContext.unk_2 = spec->unk_14;
gAudioContext.tempoInternalToExternal = (u32)(gAudioContext.audioBufferParameters.updatesPerFrame * 2880000.0f /
gTatumsPerBeat / gAudioContext.unk_2960);
gAudioContext.unk_2870 = gAudioContext.refreshRate;
gAudioContext.unk_2870 *= gAudioContext.audioBufferParameters.updatesPerFrame;
gAudioContext.unk_2870 /= gAudioContext.audioBufferParameters.aiFrequency;
gAudioContext.unk_2870 /= gAudioContext.tempoInternalToExternal;
gAudioContext.audioBufferParameters.specUnk4 = spec->unk_04;
gAudioContext.audioBufferParameters.samplesPerFrameTarget *= gAudioContext.audioBufferParameters.specUnk4;
gAudioContext.audioBufferParameters.maxAiBufferLength *= gAudioContext.audioBufferParameters.specUnk4;
gAudioContext.audioBufferParameters.minAiBufferLength *= gAudioContext.audioBufferParameters.specUnk4;
gAudioContext.audioBufferParameters.updatesPerFrame *= gAudioContext.audioBufferParameters.specUnk4;
if (gAudioContext.audioBufferParameters.specUnk4 >= 2) {
gAudioContext.audioBufferParameters.maxAiBufferLength -= 0x10;
}
gAudioContext.maxAudioCmds = gAudioContext.numNotes * 0x10 * gAudioContext.audioBufferParameters.updatesPerFrame +
spec->numReverbs * 0x18 + 0x140;
persistentMem = spec->persistentSeqMem + spec->persistentFontMem + spec->persistentSampleMem + 0x10;
temporaryMem = spec->temporarySeqMem + spec->temporaryFontMem + spec->temporarySampleMem + 0x10;
totalMem = persistentMem + temporaryMem;
wantMisc = gAudioContext.audioSessionPool.size - totalMem - 0x100;
if (gAudioContext.externalPool.start != NULL) {
gAudioContext.externalPool.cur = gAudioContext.externalPool.start;
}
gAudioContext.sessionPoolSplit.wantSeq = wantMisc;
gAudioContext.sessionPoolSplit.wantCustom = totalMem;
AudioHeap_SessionPoolsInit(&gAudioContext.sessionPoolSplit);
gAudioContext.cachePoolSplit.wantPersistent = persistentMem;
gAudioContext.cachePoolSplit.wantTemporary = temporaryMem;
AudioHeap_CachePoolInit(&gAudioContext.cachePoolSplit);
gAudioContext.persistentCommonPoolSplit.wantSeq = spec->persistentSeqMem;
gAudioContext.persistentCommonPoolSplit.wantFont = spec->persistentFontMem;
gAudioContext.persistentCommonPoolSplit.wantSample = spec->persistentSampleMem;
AudioHeap_PersistentCachesInit(&gAudioContext.persistentCommonPoolSplit);
gAudioContext.temporaryCommonPoolSplit.wantSeq = spec->temporarySeqMem;
gAudioContext.temporaryCommonPoolSplit.wantFont = spec->temporaryFontMem;
gAudioContext.temporaryCommonPoolSplit.wantSample = spec->temporarySampleMem;
AudioHeap_TemporaryCachesInit(&gAudioContext.temporaryCommonPoolSplit);
AudioHeap_ResetLoadStatus();
gAudioContext.notes =
AudioHeap_AllocZeroed(&gAudioContext.notesAndBuffersPool, gAudioContext.numNotes * sizeof(Note));
Audio_NoteInitAll();
Audio_InitNoteFreeList();
gAudioContext.noteSubsEu =
AudioHeap_AllocZeroed(&gAudioContext.notesAndBuffersPool, gAudioContext.audioBufferParameters.updatesPerFrame *
gAudioContext.numNotes * sizeof(NoteSubEu));
for (i = 0; i != 2; i++) {
gAudioContext.abiCmdBufs[i] = AudioHeap_AllocDmaMemoryZeroed(&gAudioContext.notesAndBuffersPool,
gAudioContext.maxAudioCmds * sizeof(u64));
}
gAudioContext.unk_3520 = AudioHeap_Alloc(&gAudioContext.notesAndBuffersPool, 0x100 * sizeof(f32));
func_800DDE3C();
for (i = 0; i < 4; i++) {
gAudioContext.synthesisReverbs[i].useReverb = 0;
}
gAudioContext.numSynthesisReverbs = spec->numReverbs;
for (i = 0; i < gAudioContext.numSynthesisReverbs; i++) {
ReverbSettings* settings = &spec->reverbSettings[i];
SynthesisReverb* reverb = &gAudioContext.synthesisReverbs[i];
reverb->downsampleRate = settings->downsampleRate;
reverb->windowSize = settings->windowSize * 64;
reverb->windowSize /= reverb->downsampleRate;
reverb->unk_0C = settings->unk_4;
reverb->unk_0A = settings->unk_A;
reverb->unk_14 = settings->unk_6 * 64;
reverb->unk_16 = settings->unk_8;
reverb->unk_18 = 0;
reverb->leakRtl = settings->leakRtl;
reverb->leakLtr = settings->leakLtr;
reverb->unk_05 = settings->unk_10;
reverb->unk_08 = settings->unk_12;
reverb->useReverb = 8;
reverb->leftRingBuf =
AudioHeap_AllocZeroedAttemptExternal(&gAudioContext.notesAndBuffersPool, reverb->windowSize * sizeof(s16));
reverb->rightRingBuf =
AudioHeap_AllocZeroedAttemptExternal(&gAudioContext.notesAndBuffersPool, reverb->windowSize * sizeof(s16));
reverb->nextRingBufPos = 0;
reverb->unk_20 = 0;
reverb->curFrame = 0;
reverb->bufSizePerChan = reverb->windowSize;
reverb->framesToIgnore = 2;
reverb->resampleFlags = 1;
reverb->sound.sample = &reverb->sample;
reverb->sample.loop = &reverb->loop;
reverb->sound.tuning = 1.0f;
reverb->sample.codec = CODEC_REVERB;
reverb->sample.medium = MEDIUM_RAM;
reverb->sample.size = reverb->windowSize * 2;
reverb->sample.sampleAddr = (u8*)reverb->leftRingBuf;
reverb->loop.start = 0;
reverb->loop.count = 1;
reverb->loop.end = reverb->windowSize;
if (reverb->downsampleRate != 1) {
reverb->unk_0E = 0x8000 / reverb->downsampleRate;
reverb->unk_30 = AudioHeap_AllocZeroed(&gAudioContext.notesAndBuffersPool, 0x20);
reverb->unk_34 = AudioHeap_AllocZeroed(&gAudioContext.notesAndBuffersPool, 0x20);
reverb->unk_38 = AudioHeap_AllocZeroed(&gAudioContext.notesAndBuffersPool, 0x20);
reverb->unk_3C = AudioHeap_AllocZeroed(&gAudioContext.notesAndBuffersPool, 0x20);
for (j = 0; j < gAudioContext.audioBufferParameters.updatesPerFrame; j++) {
mem = AudioHeap_AllocZeroedAttemptExternal(&gAudioContext.notesAndBuffersPool, 0x340);
reverb->items[0][j].toDownsampleLeft = mem;
reverb->items[0][j].toDownsampleRight = mem + 0x1A0 / sizeof(s16);
mem = AudioHeap_AllocZeroedAttemptExternal(&gAudioContext.notesAndBuffersPool, 0x340);
reverb->items[1][j].toDownsampleLeft = mem;
reverb->items[1][j].toDownsampleRight = mem + 0x1A0 / sizeof(s16);
}
}
if (settings->lowPassFilterCutoffLeft != 0) {
reverb->filterLeftState = AudioHeap_AllocDmaMemoryZeroed(&gAudioContext.notesAndBuffersPool, 0x40);
reverb->filterLeft = AudioHeap_AllocDmaMemory(&gAudioContext.notesAndBuffersPool, 8 * sizeof(s16));
AudioHeap_LoadLowPassFilter(reverb->filterLeft, settings->lowPassFilterCutoffLeft);
} else {
reverb->filterLeft = NULL;
}
if (settings->lowPassFilterCutoffRight != 0) {
reverb->filterRightState = AudioHeap_AllocDmaMemoryZeroed(&gAudioContext.notesAndBuffersPool, 0x40);
reverb->filterRight = AudioHeap_AllocDmaMemory(&gAudioContext.notesAndBuffersPool, 8 * sizeof(s16));
AudioHeap_LoadLowPassFilter(reverb->filterRight, settings->lowPassFilterCutoffRight);
} else {
reverb->filterRight = NULL;
}
}
AudioSeq_InitSequencePlayers();
for (j = 0; j < gAudioContext.audioBufferParameters.numSequencePlayers; j++) {
AudioSeq_InitSequencePlayerChannels(j);
AudioSeq_ResetSequencePlayer(&gAudioContext.seqPlayers[j]);
}
AudioHeap_InitSampleCaches(spec->persistentSampleCacheMem, spec->temporarySampleCacheMem);
AudioLoad_InitSampleDmaBuffers(gAudioContext.numNotes);
gAudioContext.preloadSampleStackTop = 0;
AudioLoad_InitSlowLoads();
AudioLoad_InitScriptLoads();
AudioLoad_InitAsyncLoads();
gAudioContext.unk_4 = 0x1000;
AudioLoad_LoadPermanentSamples();
intMask = osSetIntMask(1);
osWritebackDCacheAll();
osSetIntMask(intMask);
}
void* AudioHeap_SearchPermanentCache(s32 tableType, s32 id) {
s32 i;
for (i = 0; i < gAudioContext.permanentPool.count; i++) {
if (gAudioContext.permanentCache[i].tableType == tableType && gAudioContext.permanentCache[i].id == id) {
return gAudioContext.permanentCache[i].ptr;
}
}
return NULL;
}
void* AudioHeap_AllocPermanent(s32 tableType, s32 id, size_t size) {
void* ret;
s32 index;
index = gAudioContext.permanentPool.count;
ret = AudioHeap_Alloc(&gAudioContext.permanentPool, size);
gAudioContext.permanentCache[index].ptr = ret;
if (ret == NULL) {
return NULL;
}
gAudioContext.permanentCache[index].tableType = tableType;
gAudioContext.permanentCache[index].id = id;
gAudioContext.permanentCache[index].size = size;
//! @bug UB: missing return. "ret" is in v0 at this point, but doing an
// explicit return uses an additional register.
return ret;
}
void* AudioHeap_AllocSampleCache(size_t size, s32 fontId, void* sampleAddr, s8 medium, s32 cache) {
SampleCacheEntry* entry;
if (cache == CACHE_TEMPORARY) {
entry = AudioHeap_AllocTemporarySampleCacheEntry(size);
} else {
entry = AudioHeap_AllocPersistentSampleCacheEntry(size);
}
if (entry != NULL) {
//! @bug Should use sampleBankId, not fontId
entry->sampleBankId = fontId;
entry->sampleAddr = sampleAddr;
entry->origMedium = medium;
return entry->allocatedAddr;
}
return NULL;
}
void AudioHeap_InitSampleCaches(u32 persistentSize, u32 temporarySize) {
void* mem;
mem = AudioHeap_AllocAttemptExternal(&gAudioContext.notesAndBuffersPool, persistentSize);
if (mem == NULL) {
gAudioContext.persistentSampleCache.pool.size = 0;
} else {
AudioHeap_AllocPoolInit(&gAudioContext.persistentSampleCache.pool, mem, persistentSize);
}
mem = AudioHeap_AllocAttemptExternal(&gAudioContext.notesAndBuffersPool, temporarySize);
if (mem == NULL) {
gAudioContext.temporarySampleCache.pool.size = 0;
} else {
AudioHeap_AllocPoolInit(&gAudioContext.temporarySampleCache.pool, mem, temporarySize);
}
gAudioContext.persistentSampleCache.size = 0;
gAudioContext.temporarySampleCache.size = 0;
}
SampleCacheEntry* AudioHeap_AllocTemporarySampleCacheEntry(size_t size) {
u8* allocAfter;
u8* allocBefore;
void* mem;
s32 index;
s32 i;
SampleCacheEntry* ret;
AudioPreloadReq* preload;
AudioSampleCache* pool;
u8* start;
u8* end;
pool = &gAudioContext.temporarySampleCache;
allocBefore = pool->pool.cur;
mem = AudioHeap_Alloc(&pool->pool, size);
if (mem == NULL) {
// Reset the pool and try again. We still keep pointers to within the
// pool, so we have to be careful to discard existing overlapping
// allocations further down.
u8* old = pool->pool.cur;
pool->pool.cur = pool->pool.start;
mem = AudioHeap_Alloc(&pool->pool, size);
if (mem == NULL) {
pool->pool.cur = old;
return NULL;
}
allocBefore = pool->pool.start;
}
allocAfter = pool->pool.cur;
index = -1;
for (i = 0; i < gAudioContext.preloadSampleStackTop; i++) {
preload = &gAudioContext.preloadSampleStack[i];
if (preload->isFree == false) {
start = preload->ramAddr;
end = preload->ramAddr + preload->sample->size - 1;
if (end < allocBefore && start < allocBefore) {
continue;
}
if (end >= allocAfter && start >= allocAfter) {
continue;
}
// Overlap, skip this preload.
preload->isFree = true;
}
}
for (i = 0; i < pool->size; i++) {
if (pool->entries[i].inUse == false) {
continue;
}
start = pool->entries[i].allocatedAddr;
end = start + pool->entries[i].size - 1;
if (end < allocBefore && start < allocBefore) {
continue;
}
if (end >= allocAfter && start >= allocAfter) {
continue;
}
// Overlap, discard existing entry.
AudioHeap_DiscardSampleCacheEntry(&pool->entries[i]);
if (index == -1) {
index = i;
}
}
if (index == -1) {
index = pool->size++;
}
ret = &pool->entries[index];
ret->inUse = true;
ret->allocatedAddr = mem;
ret->size = size;
return ret;
}
void AudioHeap_UnapplySampleCacheForFont(SampleCacheEntry* entry, s32 fontId) {
Drum* drum;
Instrument* inst;
SoundFontSound* sfx;
size_t instId;
size_t drumId;
size_t sfxId;
for (instId = 0; instId < gAudioContext.soundFonts[fontId].numInstruments; instId++) {
inst = Audio_GetInstrumentInner(fontId, instId);
if (inst != NULL) {
if (inst->normalRangeLo != 0) {
AudioHeap_UnapplySampleCache(entry, inst->lowNotesSound.sample);
}
if (inst->normalRangeHi != 0x7F) {
AudioHeap_UnapplySampleCache(entry, inst->highNotesSound.sample);
}
AudioHeap_UnapplySampleCache(entry, inst->normalNotesSound.sample);
}
}
for (drumId = 0; drumId < gAudioContext.soundFonts[fontId].numDrums; drumId++) {
drum = Audio_GetDrum(fontId, drumId);
if (drum != NULL) {
AudioHeap_UnapplySampleCache(entry, drum->sound.sample);
}
}
for (sfxId = 0; sfxId < gAudioContext.soundFonts[fontId].numSfx; sfxId++) {
sfx = Audio_GetSfx(fontId, sfxId);
if (sfx != NULL) {
AudioHeap_UnapplySampleCache(entry, sfx->sample);
}
}
}
void AudioHeap_DiscardSampleCacheEntry(SampleCacheEntry* entry) {
s32 numFonts;
s32 sampleBankId1;
s32 sampleBankId2;
s32 fontId;
numFonts = gAudioContext.soundFontTable->numEntries;
for (fontId = 0; fontId < numFonts; fontId++) {
sampleBankId1 = gAudioContext.soundFonts[fontId].sampleBankId1;
sampleBankId2 = gAudioContext.soundFonts[fontId].sampleBankId2;
if (((sampleBankId1 != 0xFF) && (entry->sampleBankId == sampleBankId1)) ||
((sampleBankId2 != 0xFF) && (entry->sampleBankId == sampleBankId2)) || entry->sampleBankId == 0) {
if (AudioHeap_SearchCaches(FONT_TABLE, CACHE_EITHER, fontId) != NULL) {
if (AudioLoad_IsFontLoadComplete(fontId) != 0) {
AudioHeap_UnapplySampleCacheForFont(entry, fontId);
}
}
}
}
}
void AudioHeap_UnapplySampleCache(SampleCacheEntry* entry, SoundFontSample* sample)
{
}
SampleCacheEntry* AudioHeap_AllocPersistentSampleCacheEntry(size_t size) {
AudioSampleCache* pool;
SampleCacheEntry* entry;
void* mem;
pool = &gAudioContext.persistentSampleCache;
mem = AudioHeap_Alloc(&pool->pool, size);
if (mem == NULL) {
return NULL;
}
entry = &pool->entries[pool->size];
entry->inUse = true;
entry->allocatedAddr = mem;
entry->size = size;
pool->size++;
return entry;
}
void AudioHeap_DiscardSampleCacheForFont(SampleCacheEntry* entry, s32 sampleBankId1, s32 sampleBankId2, s32 fontId) {
if ((entry->sampleBankId == sampleBankId1) || (entry->sampleBankId == sampleBankId2) ||
(entry->sampleBankId == 0)) {
AudioHeap_UnapplySampleCacheForFont(entry, fontId);
}
}
void AudioHeap_DiscardSampleCaches(void) {
s32 numFonts;
s32 sampleBankId1;
s32 sampleBankId2;
s32 fontId;
s32 j;
return;
numFonts = gAudioContext.soundFontTable->numEntries;
for (fontId = 0; fontId < numFonts; fontId++) {
sampleBankId1 = gAudioContext.soundFonts[fontId].sampleBankId1;
sampleBankId2 = gAudioContext.soundFonts[fontId].sampleBankId2;
if ((sampleBankId1 == 0xFF) && (sampleBankId2 == 0xFF)) {
continue;
}
if (AudioHeap_SearchCaches(FONT_TABLE, CACHE_PERMANENT, fontId) == NULL ||
!AudioLoad_IsFontLoadComplete(fontId)) {
continue;
}
for (j = 0; j < gAudioContext.persistentSampleCache.size; j++) {
AudioHeap_DiscardSampleCacheForFont(&gAudioContext.persistentSampleCache.entries[j], sampleBankId1,
sampleBankId2, fontId);
}
for (j = 0; j < gAudioContext.temporarySampleCache.size; j++) {
AudioHeap_DiscardSampleCacheForFont(&gAudioContext.temporarySampleCache.entries[j], sampleBankId1,
sampleBankId2, fontId);
}
}
}
typedef struct {
uintptr_t oldAddr;
uintptr_t newAddr;
size_t size;
u8 newMedium;
} StorageChange;
void AudioHeap_ChangeStorage(StorageChange* change, SoundFontSample* sample) {
if (sample != NULL) {
uintptr_t start = change->oldAddr;
uintptr_t end = change->oldAddr + change->size;
if (start <= sample->sampleAddr && sample->sampleAddr < end) {
sample->sampleAddr = sample->sampleAddr - start + change->newAddr;
sample->medium = change->newMedium;
}
}
}
void AudioHeap_ApplySampleBankCacheInternal(s32 apply, s32 id);
void AudioHeap_DiscardSampleBank(s32 sampleBankId) {
AudioHeap_ApplySampleBankCacheInternal(false, sampleBankId);
}
void AudioHeap_ApplySampleBankCache(s32 sampleBankId) {
AudioHeap_ApplySampleBankCacheInternal(true, sampleBankId);
}
void AudioHeap_ApplySampleBankCacheInternal(s32 apply, s32 sampleBankId) {
AudioTable* sampleBankTable;
AudioTableEntry* entry;
s32 numFonts;
s32 instId;
s32 drumId;
size_t sfxId;
StorageChange change;
s32 sampleBankId1;
s32 sampleBankId2;
s32 fontId;
Drum* drum;
Instrument* inst;
SoundFontSound* sfx;
u32* fakematch;
s32 pad[4];
return;
sampleBankTable = gAudioContext.sampleBankTable;
numFonts = gAudioContext.soundFontTable->numEntries;
change.oldAddr = AudioHeap_SearchCaches(SAMPLE_TABLE, CACHE_EITHER, sampleBankId);
if (change.oldAddr == 0) {
return;
}
entry = &sampleBankTable->entries[sampleBankId];
change.size = entry->size;
change.newMedium = entry->medium;
if ((change.newMedium == MEDIUM_CART) || (change.newMedium == MEDIUM_DISK_DRIVE)) {
change.newAddr = entry->romAddr;
} else {
change.newAddr = 0;
}
fakematch = &change.oldAddr;
if ((apply != false) && (apply == true)) {
u32 temp = change.newAddr;
change.newAddr = *fakematch; // = change.oldAddr
change.oldAddr = temp;
change.newMedium = MEDIUM_RAM;
}
for (fontId = 0; fontId < numFonts; fontId++) {
sampleBankId1 = gAudioContext.soundFonts[fontId].sampleBankId1;
sampleBankId2 = gAudioContext.soundFonts[fontId].sampleBankId2;
if ((sampleBankId1 != 0xFF) || (sampleBankId2 != 0xFF)) {
if (!AudioLoad_IsFontLoadComplete(fontId) ||
AudioHeap_SearchCaches(FONT_TABLE, CACHE_EITHER, fontId) == NULL) {
continue;
}
if (sampleBankId1 == sampleBankId) {
} else if (sampleBankId2 == sampleBankId) {
} else {
continue;
}
for (instId = 0; instId < gAudioContext.soundFonts[fontId].numInstruments; instId++) {
inst = Audio_GetInstrumentInner(fontId, instId);
if (inst != NULL) {
if (inst->normalRangeLo != 0) {
AudioHeap_ChangeStorage(&change, inst->lowNotesSound.sample);
}
if (inst->normalRangeHi != 0x7F) {
AudioHeap_ChangeStorage(&change, inst->highNotesSound.sample);
}
AudioHeap_ChangeStorage(&change, inst->normalNotesSound.sample);
}
}
for (drumId = 0; drumId < gAudioContext.soundFonts[fontId].numDrums; drumId++) {
drum = Audio_GetDrum(fontId, drumId);
if (drum != NULL) {
AudioHeap_ChangeStorage(&change, drum->sound.sample);
}
}
for (sfxId = 0; sfxId < gAudioContext.soundFonts[fontId].numSfx; sfxId++) {
sfx = Audio_GetSfx(fontId, sfxId);
if (sfx != NULL) {
AudioHeap_ChangeStorage(&change, sfx->sample);
}
}
}
}
}
void AudioHeap_DiscardSampleBanks(void) {
AudioCache* pool;
AudioPersistentCache* persistent;
AudioTemporaryCache* temporary;
u32 i;
pool = &gAudioContext.sampleBankCache;
temporary = &pool->temporary;
if (temporary->entries[0].id != -1) {
AudioHeap_DiscardSampleBank(temporary->entries[0].id);
}
if (temporary->entries[1].id != -1) {
AudioHeap_DiscardSampleBank(temporary->entries[1].id);
}
persistent = &pool->persistent;
for (i = 0; i < persistent->numEntries; i++) {
AudioHeap_DiscardSampleBank(persistent->entries[i].id);
}
}