diff options
Diffstat (limited to 'arm9/lib/src/SND_bank.c')
| -rw-r--r-- | arm9/lib/src/SND_bank.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/arm9/lib/src/SND_bank.c b/arm9/lib/src/SND_bank.c deleted file mode 100644 index 44075454..00000000 --- a/arm9/lib/src/SND_bank.c +++ /dev/null @@ -1,174 +0,0 @@ -#include "SND_bank.h" -#include "OS_mutex.h" - -void DC_StoreRange(const void *, u32); - -/* - * WaveArc linking seems to work like the following: - * - * Each SNDBankData can have up to 4 WaveArcs assigned. - * To avoid loading the same WaveArc by multiple banks, - * a linked list using WaveArcLinks is chained through all banks - * which use a WaveArc. - * - * That WaveArc has a head pointer, which points to the first - * WaveArcLink in that chain of banks. - */ - -/* - * Set bank's wavearc link at index to specified wavearc - */ -ARM_FUNC void SND_AssignWaveArc(struct SNDBankData *bankData, s32 index, struct SNDWaveArc *waveArc) { - SNDi_LockMutex(); - struct SNDWaveArc *selectedWaveArc = bankData->waveArcLinks[index].waveArc; - if (selectedWaveArc != NULL) { - if (waveArc == selectedWaveArc) { - SNDi_UnlockMutex(); - return; - } - - if (&bankData->waveArcLinks[index] == selectedWaveArc->waveArcLLHead) { - selectedWaveArc->waveArcLLHead = bankData->waveArcLinks[index].waveArcLLnext; - DC_StoreRange(bankData->waveArcLinks[index].waveArc, sizeof(struct SNDWaveArc)); - } else { - struct SNDWaveArcLink *cur; - for (cur = selectedWaveArc->waveArcLLHead; cur != NULL; cur = cur->waveArcLLnext) { - if (&bankData->waveArcLinks[index] == cur->waveArcLLnext) - break; - } - cur->waveArcLLnext = bankData->waveArcLinks[index].waveArcLLnext; - DC_StoreRange(cur, sizeof(*cur)); - } - } - struct SNDWaveArcLink *oldHead = waveArc->waveArcLLHead; - waveArc->waveArcLLHead = &bankData->waveArcLinks[index]; - bankData->waveArcLinks[index].waveArcLLnext = oldHead; - bankData->waveArcLinks[index].waveArc = waveArc; - // BUG: Shouldn't the mutex unlock be after writing to cache? - SNDi_UnlockMutex(); - DC_StoreRange(bankData, sizeof(*bankData)); - DC_StoreRange(waveArc, sizeof(*waveArc)); -} - -ARM_FUNC void SND_DestroyBank(struct SNDBankData *bankData) { - SNDi_LockMutex(); - - for (s32 i = 0; i < SND_BANK_MAX_WAVEARC; i++) { - struct SNDWaveArcLink *curWaveArcLink = &bankData->waveArcLinks[i]; - struct SNDWaveArc *curWaveArc = bankData->waveArcLinks[i].waveArc; - - if (curWaveArc == NULL) - continue; - - if (curWaveArcLink == curWaveArc->waveArcLLHead) { - curWaveArc->waveArcLLHead = bankData->waveArcLinks[i].waveArcLLnext; - DC_StoreRange(curWaveArc, sizeof(*curWaveArc)); - } else { - struct SNDWaveArcLink *cur; - for (cur = curWaveArc->waveArcLLHead; cur != NULL; cur = cur->waveArcLLnext) { - if (&bankData->waveArcLinks[i] == cur->waveArcLLnext) - break; - } - cur->waveArcLLnext = bankData->waveArcLinks[i].waveArcLLnext; - DC_StoreRange(cur, sizeof(*cur)); - } - } - - SNDi_UnlockMutex(); -} - -ARM_FUNC void SND_DestroyWaveArc(struct SNDWaveArc *waveArc) { - SNDi_LockMutex(); - struct SNDWaveArcLink *cur = waveArc->waveArcLLHead; - - while (cur != NULL) { - struct SNDWaveArcLink *newCur = cur->waveArcLLnext; - cur->waveArc = NULL; - cur->waveArcLLnext = NULL; - DC_StoreRange(cur, sizeof(*cur)); - cur = newCur; - } - - SNDi_UnlockMutex(); -} - -ARM_FUNC struct SNDInstPos SND_GetFirstInstDataPos(const struct SNDBankData *bankData) { -#pragma unused (bankData) - struct SNDInstPos retval; - retval.program = 0; - retval.index = 0; - return retval; -} - -ARM_FUNC static inline struct SNDDrumSet *test(const struct SNDBankData *bank, u32 off) { - return (struct SNDDrumSet *)((u8 *)bank + (off >> 8)); -} - -ARM_FUNC BOOL SND_GetNextInstData(const struct SNDBankData *bankData, struct SNDInstData *instData, struct SNDInstPos *instPos) { - while (instPos->program < bankData->instCount) { - struct SNDDrumSet *drums; - struct SNDKeySplit *keySplit; - - u32 instOffset = bankData->instOffsets[instPos->program]; - instData->type = SND_INST_OFFSET_TYPE(instOffset); - - switch (instData->type) { - case SND_INST_PCM: - case SND_INST_PSG: - case SND_INST_NOISE: - case SND_INST_DIRECTPCM: - case SND_INST_DUMMY: - instData->param = *SND_INST_OFFSET_NORMAL(bankData, instOffset); - instPos->program++; - return TRUE; - case SND_INST_DRUM_TABLE: - drums = SND_INST_OFFSET_DRUMS(bankData, instOffset); - // silly programming 101: put a loop in a place that never loops - for (; instPos->index < drums->maxKey - drums->minKey + 1;) { - *instData = drums->instruments[instPos->index]; - instPos->index++; - return TRUE; - } - break; - case SND_INST_KEY_SPLIT: - keySplit = SND_INST_OFFSET_KEYSPL(bankData, instOffset); - for (; instPos->index < SND_INST_MAX_KEYSPLIT;) { - if (keySplit->key[instPos->index] == 0) - break; - *instData = keySplit->instruments[instPos->index]; - instPos->index++; - return TRUE; - } - break; - } - - instPos->program++; - instPos->index = 0; - } - return FALSE; -} - -ARM_FUNC u32 SND_GetWaveDataCount(const struct SNDWaveArc *waveArc) { - return waveArc->waveCount; -} - -ARM_FUNC void SND_SetWaveDataAddress(struct SNDWaveArc *waveArc, s32 index, const struct SNDWaveData *waveData) { - SNDi_LockMutex(); - waveArc->waveOffsets[index] = (u32)waveData; - DC_StoreRange(&waveArc->waveOffsets[index], sizeof(u32)); - SNDi_UnlockMutex(); -} - -ARM_FUNC const struct SNDWaveData *SND_GetWaveDataAddress(const struct SNDWaveArc *waveArc, s32 index) { - SNDi_LockMutex(); - u32 retval = waveArc->waveOffsets[index]; - if (retval != 0) { - // < 0x2000000 aka, not a pointer to main RAM - if (retval < 0x2000000) - retval = (u32)&((u8 *)waveArc)[retval]; - } else { - retval = 0; - } - SNDi_UnlockMutex(); - return (struct SNDWaveData *)retval; -} |