vrmiguel
/
sm64pc
mirror of https://github.com/sm64pc/sm64pc.git
1
0
Fork 0
Code Issues Releases Wiki Activity
sm64pc/src/audio/synthesis.c

1532 lines
62 KiB
C
Raw Blame History

#include <ultra64.h>
#include <macros.h>
#include "synthesis.h"
#include "heap.h"
#include "data.h"
#include "load.h"
#include "seqplayer.h"
#include "external.h"
#include "../pc/mixer.h"
#define DMEM_ADDR_TEMP 0x0
#define DMEM_ADDR_UNCOMPRESSED_NOTE 0x180
#define DMEM_ADDR_ADPCM_RESAMPLED 0x20
#define DMEM_ADDR_ADPCM_RESAMPLED2 0x160
#define DMEM_ADDR_NOTE_PAN_TEMP 0x200
#define DMEM_ADDR_STEREO_STRONG_TEMP_DRY 0x200
#define DMEM_ADDR_STEREO_STRONG_TEMP_WET 0x340
#define DMEM_ADDR_COMPRESSED_ADPCM_DATA 0x3f0
#define DMEM_ADDR_LEFT_CH 0x4c0
#define DMEM_ADDR_RIGHT_CH 0x600
#define DMEM_ADDR_WET_LEFT_CH 0x740
#define DMEM_ADDR_WET_RIGHT_CH 0x880
#define aSetLoadBufferPair(pkt, c, off) \
aSetBuffer(pkt, 0, c + DMEM_ADDR_WET_LEFT_CH, 0, DEFAULT_LEN_1CH - c); \
aLoadBuffer(pkt, VIRTUAL_TO_PHYSICAL2(gSynthesisReverb.ringBuffer.left + (off))); \
aSetBuffer(pkt, 0, c + DMEM_ADDR_WET_RIGHT_CH, 0, DEFAULT_LEN_1CH - c); \
aLoadBuffer(pkt, VIRTUAL_TO_PHYSICAL2(gSynthesisReverb.ringBuffer.right + (off)))
#define aSetSaveBufferPair(pkt, c, d, off) \
aSetBuffer(pkt, 0, 0, c + DMEM_ADDR_WET_LEFT_CH, d); \
aSaveBuffer(pkt, VIRTUAL_TO_PHYSICAL2(gSynthesisReverb.ringBuffer.left + (off))); \
aSetBuffer(pkt, 0, 0, c + DMEM_ADDR_WET_RIGHT_CH, d); \
aSaveBuffer(pkt, VIRTUAL_TO_PHYSICAL2(gSynthesisReverb.ringBuffer.right + (off)));
#define ALIGN(val, amnt) (((val) + (1 << amnt) - 1) & ~((1 << amnt) - 1))
struct VolumeChange {
u16 sourceLeft;
u16 sourceRight;
u16 targetLeft;
u16 targetRight;
};
u64 *synthesis_do_one_audio_update(u16 *aiBuf, s32 bufLen, u64 *cmd, u32 updateIndex);
#ifdef VERSION_EU
u64 *synthesis_process_note(struct Note *note, struct NoteSubEu *noteSubEu, struct NoteSynthesisState *synthesisState, u16 *aiBuf, s32 bufLen, u64 *cmd);
u64 *load_wave_samples(u64 *cmd, struct NoteSubEu *noteSubEu, struct NoteSynthesisState *synthesisState, s32 nSamplesToLoad);
u64 *final_resample(u64 *cmd, struct NoteSynthesisState *synthesisState, s32 count, u16 pitch, u16 dmemIn, u32 flags);
u64 *process_envelope(u64 *cmd, struct NoteSubEu *noteSubEu, struct NoteSynthesisState *synthesisState, s32 nSamples, u16 inBuf, s32 headsetPanSettings, u32 flags);
u64 *note_apply_headset_pan_effects(u64 *cmd, struct NoteSubEu *noteSubEu, struct NoteSynthesisState *note, s32 bufLen, s32 flags, s32 leftRight);
#else
u64 *synthesis_process_notes(u16 *aiBuf, s32 bufLen, u64 *cmd);
u64 *load_wave_samples(u64 *cmd, struct Note *note, s32 nSamplesToLoad);
u64 *final_resample(u64 *cmd, struct Note *note, s32 count, u16 pitch, u16 dmemIn, u32 flags);
u64 *process_envelope(u64 *cmd, struct Note *note, s32 nSamples, u16 inBuf, s32 headsetPanSettings,
u32 flags);
u64 *process_envelope_inner(u64 *cmd, struct Note *note, s32 nSamples, u16 inBuf,
s32 headsetPanSettings, struct VolumeChange *vol);
u64 *note_apply_headset_pan_effects(u64 *cmd, struct Note *note, s32 bufLen, s32 flags, s32 leftRight);
#endif
#ifdef VERSION_EU
struct SynthesisReverb gSynthesisReverbs[4];
u8 sAudioSynthesisPad[0x10];
s16 gVolume;
s8 gUseReverb;
s8 gNumSynthesisReverbs;
struct NoteSubEu *gNoteSubsEu;
f32 gLeftVolRampings[3][1024];
f32 gRightVolRampings[3][1024];
f32 *gCurrentLeftVolRamping; // Points to any of the three left buffers above
f32 *gCurrentRightVolRamping; // Points to any of the three right buffers above
#else
struct SynthesisReverb gSynthesisReverb;
#endif
#ifndef VERSION_EU
u8 sAudioSynthesisPad[0x20];
#endif
#if defined(VERSION_EU)
// Equivalent functionality as the US/JP version,
// just that the reverb structure is chosen from an array with index
void prepare_reverb_ring_buffer(s32 chunkLen, u32 updateIndex, s32 reverbIndex) {
struct ReverbRingBufferItem *item;
struct SynthesisReverb *reverb = &gSynthesisReverbs[reverbIndex];
s32 srcPos;
s32 dstPos;
s32 nSamples;
s32 excessiveSamples;
s32 UNUSED pad[3];
if (reverb->downsampleRate != 1) {
if (reverb->framesLeftToIgnore == 0) {
// Now that the RSP has finished, downsample the samples produced two frames ago by skipping
// samples.
item = &reverb->items[reverb->curFrame][updateIndex];
// Touches both left and right since they are adjacent in memory
osInvalDCache(item->toDownsampleLeft, DEFAULT_LEN_2CH);
for (srcPos = 0, dstPos = 0; dstPos < item->lengths[0] / 2;
srcPos += reverb->downsampleRate, dstPos++) {
reverb->ringBuffer.left[item->startPos + dstPos] =
item->toDownsampleLeft[srcPos];
reverb->ringBuffer.right[item->startPos + dstPos] =
item->toDownsampleRight[srcPos];
}
for (dstPos = 0; dstPos < item->lengths[1] / 2; srcPos += reverb->downsampleRate, dstPos++) {
reverb->ringBuffer.left[dstPos] = item->toDownsampleLeft[srcPos];
reverb->ringBuffer.right[dstPos] = item->toDownsampleRight[srcPos];
}
}
}
item = &reverb->items[reverb->curFrame][updateIndex];
nSamples = chunkLen / reverb->downsampleRate;
excessiveSamples = (nSamples + reverb->nextRingBufferPos) - reverb->bufSizePerChannel;
if (excessiveSamples < 0) {
// There is space in the ring buffer before it wraps around
item->lengths[0] = nSamples * 2;
item->lengths[1] = 0;
item->startPos = (s32) reverb->nextRingBufferPos;
reverb->nextRingBufferPos += nSamples;
} else {
// Ring buffer wrapped around
item->lengths[0] = (nSamples - excessiveSamples) * 2;
item->lengths[1] = excessiveSamples * 2;
item->startPos = reverb->nextRingBufferPos;
reverb->nextRingBufferPos = excessiveSamples;
}
// These fields are never read later
item->numSamplesAfterDownsampling = nSamples;
item->chunkLen = chunkLen;
}
#else
void prepare_reverb_ring_buffer(s32 chunkLen, u32 updateIndex) {
struct ReverbRingBufferItem *item;
s32 srcPos;
s32 dstPos;
s32 nSamples;
s32 numSamplesAfterDownsampling;
s32 excessiveSamples;
if (gReverbDownsampleRate != 1) {
if (gSynthesisReverb.framesLeftToIgnore == 0) {
// Now that the RSP has finished, downsample the samples produced two frames ago by skipping
// samples.
item = &gSynthesisReverb.items[gSynthesisReverb.curFrame][updateIndex];
// Touches both left and right since they are adjacent in memory
osInvalDCache(item->toDownsampleLeft, DEFAULT_LEN_2CH);
for (srcPos = 0, dstPos = 0; dstPos < item->lengths[0] / 2;
srcPos += gReverbDownsampleRate, dstPos++) {
gSynthesisReverb.ringBuffer.left[dstPos + item->startPos] =
item->toDownsampleLeft[srcPos];
gSynthesisReverb.ringBuffer.right[dstPos + item->startPos] =
item->toDownsampleRight[srcPos];
}
for (dstPos = 0; dstPos < item->lengths[1] / 2; srcPos += gReverbDownsampleRate, dstPos++) {
gSynthesisReverb.ringBuffer.left[dstPos] = item->toDownsampleLeft[srcPos];
gSynthesisReverb.ringBuffer.right[dstPos] = item->toDownsampleRight[srcPos];
}
}
}
item = &gSynthesisReverb.items[gSynthesisReverb.curFrame][updateIndex];
numSamplesAfterDownsampling = chunkLen / gReverbDownsampleRate;
if (((numSamplesAfterDownsampling + gSynthesisReverb.nextRingBufferPos) - gSynthesisReverb.bufSizePerChannel) < 0) {
// There is space in the ring buffer before it wraps around
item->lengths[0] = numSamplesAfterDownsampling * 2;
item->lengths[1] = 0;
item->startPos = (s32) gSynthesisReverb.nextRingBufferPos;
gSynthesisReverb.nextRingBufferPos += numSamplesAfterDownsampling;
} else {
// Ring buffer wrapped around
excessiveSamples =
(numSamplesAfterDownsampling + gSynthesisReverb.nextRingBufferPos) - gSynthesisReverb.bufSizePerChannel;
nSamples = numSamplesAfterDownsampling - excessiveSamples;
item->lengths[0] = nSamples * 2;
item->lengths[1] = excessiveSamples * 2;
item->startPos = gSynthesisReverb.nextRingBufferPos;
gSynthesisReverb.nextRingBufferPos = excessiveSamples;
}
// These fields are never read later
item->numSamplesAfterDownsampling = numSamplesAfterDownsampling;
item->chunkLen = chunkLen;
}
#endif
#ifdef VERSION_EU
u64 *synthesis_load_reverb_ring_buffer(u64 *cmd, u16 addr, u16 srcOffset, s32 len, s32 reverbIndex) {
// aSetBuffer, aLoadBuffer, aSetBuffer, aLoadBuffer
aSetBuffer(cmd++, 0, addr, 0, len);
aLoadBuffer(cmd++, VIRTUAL_TO_PHYSICAL2(&gSynthesisReverbs[reverbIndex].ringBuffer.left[srcOffset]));
aSetBuffer(cmd++, 0, addr + DEFAULT_LEN_1CH, 0, len);
aLoadBuffer(cmd++, VIRTUAL_TO_PHYSICAL2(&gSynthesisReverbs[reverbIndex].ringBuffer.right[srcOffset]));
return cmd;
}
u64 *synthesis_save_reverb_ring_buffer(u64 *cmd, u16 addr, u16 destOffset, s32 len, s32 reverbIndex) {
aSetBuffer(cmd++, 0, 0, addr, len);
aSaveBuffer(cmd++, VIRTUAL_TO_PHYSICAL2(&gSynthesisReverbs[reverbIndex].ringBuffer.left[destOffset]));
aSetBuffer(cmd++, 0, 0, addr + DEFAULT_LEN_1CH, len);
aSaveBuffer(cmd++, VIRTUAL_TO_PHYSICAL2(&gSynthesisReverbs[reverbIndex].ringBuffer.right[destOffset]));
return cmd;
}
void synthesis_load_note_subs_eu(s32 updateIndex) {
struct NoteSubEu *src;
struct NoteSubEu *dest;
s32 i;
for (i = 0; i < gMaxSimultaneousNotes; i++) {
src = &gNotes[i].noteSubEu;
dest = &gNoteSubsEu[gMaxSimultaneousNotes * updateIndex + i];
if (src->enabled) {
*dest = *src;
src->needsInit = 0;
} else {
dest->enabled = 0;
}
}
}
#endif
#ifndef VERSION_EU
s32 get_volume_ramping(u16 sourceVol, u16 targetVol, s32 arg2) {
// This roughly computes 2^16 * (targetVol / sourceVol) ^ (8 / arg2),
// but with discretizations of targetVol, sourceVol and arg2.
f32 ret;
switch (arg2) {
default:
ret = gVolRampingLhs136[targetVol >> 8] * gVolRampingRhs136[sourceVol >> 8];
break;
case 128:
ret = gVolRampingLhs128[targetVol >> 8] * gVolRampingRhs128[sourceVol >> 8];
break;
case 136:
ret = gVolRampingLhs136[targetVol >> 8] * gVolRampingRhs136[sourceVol >> 8];
break;
case 144:
ret = gVolRampingLhs144[targetVol >> 8] * gVolRampingRhs144[sourceVol >> 8];
break;
}
return ret;
}
#endif
#ifdef VERSION_EU
//TODO: (Scrub C) pointless mask and whitespace
u64 *synthesis_execute(u64 *cmdBuf, s32 *writtenCmds, u16 *aiBuf, s32 bufLen) {
s32 i, j;
f32 *leftVolRamp;
f32 *rightVolRamp;
u32 *aiBufPtr;
u64 *cmd = cmdBuf;
s32 chunkLen;
s32 nextVolRampTable;
for (i = gAudioBufferParameters.updatesPerFrame; i > 0; i--) {
process_sequences(i - 1);
synthesis_load_note_subs_eu(gAudioBufferParameters.updatesPerFrame - i);
}
aSegment(cmd++, 0, 0);
aiBufPtr = (u32 *) aiBuf;
for (i = gAudioBufferParameters.updatesPerFrame; i > 0; i--) {
if (i == 1) {
// self-assignment has no affect when added here, could possibly simplify a macro definition
chunkLen = bufLen; nextVolRampTable = nextVolRampTable; leftVolRamp = gLeftVolRampings[nextVolRampTable]; rightVolRamp = gRightVolRampings[nextVolRampTable & 0xFFFFFFFF];
} else {
if (bufLen / i >= gAudioBufferParameters.samplesPerUpdateMax) {
chunkLen = gAudioBufferParameters.samplesPerUpdateMax; nextVolRampTable = 2; leftVolRamp = gLeftVolRampings[2]; rightVolRamp = gRightVolRampings[2];
} else if (bufLen / i <= gAudioBufferParameters.samplesPerUpdateMin) {
chunkLen = gAudioBufferParameters.samplesPerUpdateMin; nextVolRampTable = 0; leftVolRamp = gLeftVolRampings[0]; rightVolRamp = gRightVolRampings[0];
} else {
chunkLen = gAudioBufferParameters.samplesPerUpdate; nextVolRampTable = 1; leftVolRamp = gLeftVolRampings[1]; rightVolRamp = gRightVolRampings[1];
}
}
gCurrentLeftVolRamping = leftVolRamp;
gCurrentRightVolRamping = rightVolRamp;
for (j = 0; j < gNumSynthesisReverbs; j++) {
if (gSynthesisReverbs[j].useReverb != 0) {
prepare_reverb_ring_buffer(chunkLen, gAudioBufferParameters.updatesPerFrame - i, j);
}
}
cmd = synthesis_do_one_audio_update((u16 *) aiBufPtr, chunkLen, cmd, gAudioBufferParameters.updatesPerFrame - i);
bufLen -= chunkLen;
aiBufPtr += chunkLen;
}
for (j = 0; j < gNumSynthesisReverbs; j++) {
if (gSynthesisReverbs[j].framesLeftToIgnore != 0) {
gSynthesisReverbs[j].framesLeftToIgnore--;
}
gSynthesisReverbs[j].curFrame ^= 1;
}
*writtenCmds = cmd - cmdBuf;
return cmd;
}
#else
// bufLen will be divisible by 16
u64 *synthesis_execute(u64 *cmdBuf, s32 *writtenCmds, u16 *aiBuf, s32 bufLen) {
s32 chunkLen;
s32 i;
u32 *aiBufPtr = (u32 *) aiBuf;
u64 *cmd = cmdBuf + 1;
s32 v0;
aSegment(cmdBuf, 0, 0);
for (i = gAudioUpdatesPerFrame; i > 0; i--) {
if (i == 1) {
// 'bufLen' will automatically be divisible by 8, no need to round
chunkLen = bufLen;
} else {
v0 = bufLen / i;
// chunkLen = v0 rounded to nearest multiple of 8
chunkLen = v0 - (v0 & 7);
if ((v0 & 7) >= 4) {
chunkLen += 8;
}
}
process_sequences(i - 1);
if (gSynthesisReverb.useReverb != 0) {
prepare_reverb_ring_buffer(chunkLen, gAudioUpdatesPerFrame - i);
}
cmd = synthesis_do_one_audio_update((u16 *) aiBufPtr, chunkLen, cmd, gAudioUpdatesPerFrame - i);
bufLen -= chunkLen;
aiBufPtr += chunkLen;
}
if (gSynthesisReverb.framesLeftToIgnore != 0) {
gSynthesisReverb.framesLeftToIgnore--;
}
gSynthesisReverb.curFrame ^= 1;
*writtenCmds = cmd - cmdBuf;
return cmd;
}
#endif
#ifdef VERSION_EU
u64 *synthesis_resample_and_mix_reverb(u64 *cmd, s32 bufLen, s16 reverbIndex, s16 updateIndex) {
struct ReverbRingBufferItem *item;
s16 temp_t9; // sp5a
s16 sp58; // sp58
item = &gSynthesisReverbs[reverbIndex].items[gSynthesisReverbs[reverbIndex].curFrame][updateIndex];
aClearBuffer(cmd++, DMEM_ADDR_WET_LEFT_CH, DEFAULT_LEN_2CH);
if (gSynthesisReverbs[reverbIndex].downsampleRate == 1) {
cmd = synthesis_load_reverb_ring_buffer(cmd, DMEM_ADDR_WET_LEFT_CH, item->startPos, item->lengths[0], reverbIndex);
if (item->lengths[1] != 0) {
cmd = synthesis_load_reverb_ring_buffer(cmd, DMEM_ADDR_WET_LEFT_CH + item->lengths[0], 0, item->lengths[1], reverbIndex);
}
aSetBuffer(cmd++, 0, 0, 0, DEFAULT_LEN_2CH);
aMix(cmd++, 0, 0x7fff, DMEM_ADDR_WET_LEFT_CH, DMEM_ADDR_LEFT_CH);
aMix(cmd++, 0, 0x8000 + gSynthesisReverbs[reverbIndex].reverbGain, DMEM_ADDR_WET_LEFT_CH, DMEM_ADDR_WET_LEFT_CH);
} else {
temp_t9 = (item->startPos % 8u) * 2;
sp58 = ALIGN(item->lengths[0] + (sp58=temp_t9), 4);
cmd = synthesis_load_reverb_ring_buffer(cmd, 0x20, (item->startPos - temp_t9 / 2), DEFAULT_LEN_1CH, reverbIndex);
if (item->lengths[1] != 0) {
cmd = synthesis_load_reverb_ring_buffer(cmd, 0x20 + sp58, 0, DEFAULT_LEN_1CH - sp58, reverbIndex);
}
aSetBuffer(cmd++, 0, temp_t9 + DMEM_ADDR_ADPCM_RESAMPLED, DMEM_ADDR_WET_LEFT_CH, bufLen * 2);
aResample(cmd++, gSynthesisReverbs[reverbIndex].resampleFlags, gSynthesisReverbs[reverbIndex].resampleRate, VIRTUAL_TO_PHYSICAL2(gSynthesisReverbs[reverbIndex].resampleStateLeft));
aSetBuffer(cmd++, 0, temp_t9 + DMEM_ADDR_ADPCM_RESAMPLED2, DMEM_ADDR_WET_RIGHT_CH, bufLen * 2);
aResample(cmd++, gSynthesisReverbs[reverbIndex].resampleFlags, gSynthesisReverbs[reverbIndex].resampleRate, VIRTUAL_TO_PHYSICAL2(gSynthesisReverbs[reverbIndex].resampleStateRight));
aSetBuffer(cmd++, 0, 0, 0, DEFAULT_LEN_2CH);
aMix(cmd++, 0, 0x7fff, DMEM_ADDR_WET_LEFT_CH, DMEM_ADDR_LEFT_CH);
aMix(cmd++, 0, 0x8000 + gSynthesisReverbs[reverbIndex].reverbGain, DMEM_ADDR_WET_LEFT_CH, DMEM_ADDR_WET_LEFT_CH);
}
return cmd;
}
u64 *synthesis_save_reverb_samples(u64 *cmdBuf, s16 reverbIndex, s16 updateIndex) {
struct ReverbRingBufferItem *item;
struct SynthesisReverb *reverb;
u64 *cmd = cmdBuf;
reverb = &gSynthesisReverbs[reverbIndex];
item = &reverb->items[reverb->curFrame][updateIndex];
if (reverb->useReverb != 0) {
if (1) {
}
if (reverb->downsampleRate == 1) {
// Put the oldest samples in the ring buffer into the wet channels
cmd = cmdBuf = synthesis_save_reverb_ring_buffer(cmd, DMEM_ADDR_WET_LEFT_CH, item->startPos, item->lengths[0], reverbIndex);
if (item->lengths[1] != 0) {
// Ring buffer wrapped
cmd = synthesis_save_reverb_ring_buffer(cmd, DMEM_ADDR_WET_LEFT_CH + item->lengths[0], 0, item->lengths[1], reverbIndex);
cmdBuf = cmd;
}
} else {
// Downsampling is done later by CPU when RSP is done, therefore we need to have double
// buffering. Left and right buffers are adjacent in memory.
aSetBuffer(cmdBuf++, 0, 0, DMEM_ADDR_WET_LEFT_CH, DEFAULT_LEN_2CH);
aSaveBuffer(cmdBuf++, VIRTUAL_TO_PHYSICAL2(reverb->items[reverb->curFrame][updateIndex].toDownsampleLeft));
reverb->resampleFlags = 0;
}
}
return cmdBuf;
}
#endif
#ifdef VERSION_EU
u64 *synthesis_do_one_audio_update(u16 *aiBuf, s32 bufLen, u64 *cmd, u32 updateIndex) {
struct NoteSubEu *noteSubEu;
u8 noteIndices[56];
s32 temp;
s32 i;
s16 j;
s16 notePos = 0;
if (gNumSynthesisReverbs == 0) {
for (i = 0; i < gMaxSimultaneousNotes; i++) {
temp = updateIndex;
if (gNoteSubsEu[gMaxSimultaneousNotes * temp + i].enabled) {
noteIndices[notePos++] = i;
}
}
} else {
for (j = 0; j < gNumSynthesisReverbs; j++) {
for (i = 0; i < gMaxSimultaneousNotes; i++) {
temp = updateIndex;
noteSubEu = &gNoteSubsEu[gMaxSimultaneousNotes * temp + i];
if (noteSubEu->enabled && j == noteSubEu->reverbIndex) {
noteIndices[notePos++] = i;
}
}
}
for (i = 0; i < gMaxSimultaneousNotes; i++) {
temp = updateIndex;
noteSubEu = &gNoteSubsEu[gMaxSimultaneousNotes * temp + i];
if (noteSubEu->enabled && noteSubEu->reverbIndex >= gNumSynthesisReverbs) {
noteIndices[notePos++] = i;
}
}
}
aClearBuffer(cmd++, DMEM_ADDR_LEFT_CH, DEFAULT_LEN_2CH);
i = 0;
for (j = 0; j < gNumSynthesisReverbs; j++) {
gUseReverb = gSynthesisReverbs[j].useReverb;
if (gUseReverb != 0) {
cmd = synthesis_resample_and_mix_reverb(cmd, bufLen, j, updateIndex);
}
for (; i < notePos; i++) {
temp = updateIndex;
temp *= gMaxSimultaneousNotes;
if (j == gNoteSubsEu[temp + noteIndices[i]].reverbIndex) {
cmd = synthesis_process_note(&gNotes[noteIndices[i]],
&gNoteSubsEu[temp + noteIndices[i]],
&gNotes[noteIndices[i]].synthesisState,
aiBuf, bufLen, cmd);
continue;
} else {
break;
}
}
if (gSynthesisReverbs[j].useReverb != 0) {
cmd = synthesis_save_reverb_samples(cmd, j, updateIndex);
}
}
for (; i < notePos; i++) {
temp = updateIndex;
temp *= gMaxSimultaneousNotes;
if (IS_BANK_LOAD_COMPLETE(gNoteSubsEu[temp + noteIndices[i]].bankId) == TRUE) {
cmd = synthesis_process_note(&gNotes[noteIndices[i]],
&gNoteSubsEu[temp + noteIndices[i]],
&gNotes[noteIndices[i]].synthesisState,
aiBuf, bufLen, cmd);
} else {
gAudioErrorFlags = (gNoteSubsEu[temp + noteIndices[i]].bankId + (i << 8)) + 0x10000000;
}
}
temp = bufLen * 2;
aSetBuffer(cmd++, 0, 0, DMEM_ADDR_TEMP, temp);
aInterleave(cmd++, DMEM_ADDR_LEFT_CH, DMEM_ADDR_RIGHT_CH);
aSetBuffer(cmd++, 0, 0, DMEM_ADDR_TEMP, temp * 2);
aSaveBuffer(cmd++, VIRTUAL_TO_PHYSICAL2(aiBuf));
return cmd;
}
#else
u64 *synthesis_do_one_audio_update(u16 *aiBuf, s32 bufLen, u64 *cmd, u32 updateIndex) {
UNUSED s32 pad1[1];
s16 ra;
s16 t4;
UNUSED s32 pad[2];
struct ReverbRingBufferItem *v1;
UNUSED s32 pad2[1];
s16 temp;
v1 = &gSynthesisReverb.items[gSynthesisReverb.curFrame][updateIndex];
if (gSynthesisReverb.useReverb == 0) {
aClearBuffer(cmd++, DMEM_ADDR_LEFT_CH, DEFAULT_LEN_2CH);
cmd = synthesis_process_notes(aiBuf, bufLen, cmd);
} else {
if (gReverbDownsampleRate == 1) {
// Put the oldest samples in the ring buffer into the wet channels
aSetLoadBufferPair(cmd++, 0, v1->startPos);
if (v1->lengths[1] != 0) {
// Ring buffer wrapped
aSetLoadBufferPair(cmd++, v1->lengths[0], 0);
temp = 0;
}
// Use the reverb sound as initial sound for this audio update
aDMEMMove(cmd++, DMEM_ADDR_WET_LEFT_CH, DMEM_ADDR_LEFT_CH, DEFAULT_LEN_2CH);
// (Hopefully) lower the volume of the wet channels. New reverb will later be mixed into
// these channels.
aSetBuffer(cmd++, 0, 0, 0, DEFAULT_LEN_2CH);
// 0x8000 here is -100%
aMix(cmd++, 0, /*gain*/ 0x8000 + gSynthesisReverb.reverbGain, /*in*/ DMEM_ADDR_WET_LEFT_CH,
/*out*/ DMEM_ADDR_WET_LEFT_CH);
} else {
// Same as above but upsample the previously downsampled samples used for reverb first
temp = 0; //! jesus christ
t4 = (v1->startPos & 7) * 2;
ra = ALIGN(v1->lengths[0] + t4, 4);
aSetLoadBufferPair(cmd++, 0, v1->startPos - t4 / 2);
if (v1->lengths[1] != 0) {
// Ring buffer wrapped
aSetLoadBufferPair(cmd++, ra, 0);
//! We need an empty statement (even an empty ';') here to make the function match (because IDO).
//! However, copt removes extraneous statements and dead code. So we need to trick copt
//! into thinking 'temp' could be undefined, and luckily the compiler optimizes out the
//! useless assignment.
ra = ra + temp;
}
aSetBuffer(cmd++, 0, t4 + DMEM_ADDR_WET_LEFT_CH, DMEM_ADDR_LEFT_CH, bufLen << 1);
aResample(cmd++, gSynthesisReverb.resampleFlags, (u16) gSynthesisReverb.resampleRate, VIRTUAL_TO_PHYSICAL2(gSynthesisReverb.resampleStateLeft));
aSetBuffer(cmd++, 0, t4 + DMEM_ADDR_WET_RIGHT_CH, DMEM_ADDR_RIGHT_CH, bufLen << 1);
aResample(cmd++, gSynthesisReverb.resampleFlags, (u16) gSynthesisReverb.resampleRate, VIRTUAL_TO_PHYSICAL2(gSynthesisReverb.resampleStateRight));
aSetBuffer(cmd++, 0, 0, 0, DEFAULT_LEN_2CH);
aMix(cmd++, 0, /*gain*/ 0x8000 + gSynthesisReverb.reverbGain, /*in*/ DMEM_ADDR_LEFT_CH, /*out*/ DMEM_ADDR_LEFT_CH);
aDMEMMove(cmd++, DMEM_ADDR_LEFT_CH, DMEM_ADDR_WET_LEFT_CH, DEFAULT_LEN_2CH);
}
cmd = synthesis_process_notes(aiBuf, bufLen, cmd);
if (gReverbDownsampleRate == 1) {
aSetSaveBufferPair(cmd++, 0, v1->lengths[0], v1->startPos);
if (v1->lengths[1] != 0) {
// Ring buffer wrapped
aSetSaveBufferPair(cmd++, v1->lengths[0], v1->lengths[1], 0);
}
} else {
// Downsampling is done later by CPU when RSP is done, therefore we need to have double
// buffering. Left and right buffers are adjacent in memory.
aSetBuffer(cmd++, 0, 0, DMEM_ADDR_WET_LEFT_CH, DEFAULT_LEN_2CH);
aSaveBuffer(cmd++, VIRTUAL_TO_PHYSICAL2(gSynthesisReverb.items[gSynthesisReverb.curFrame][updateIndex].toDownsampleLeft));
gSynthesisReverb.resampleFlags = 0;
}
}
return cmd;
}
#endif
#ifdef VERSION_EU
// Processes just one note, not all
u64 *synthesis_process_note(struct Note *note, struct NoteSubEu *noteSubEu, struct NoteSynthesisState *synthesisState, UNUSED u16 *aiBuf, s32 bufLen, u64 *cmd) {
UNUSED s32 pad0[3];
#else
u64 *synthesis_process_notes(u16 *aiBuf, s32 bufLen, u64 *cmd) {
s32 noteIndex; // sp174
struct Note *note; // s7
UNUSED u8 pad0[0x08];
#endif
struct AudioBankSample *audioBookSample; // sp164, sp138
struct AdpcmLoop *loopInfo; // sp160, sp134
s16 *curLoadedBook = NULL; // sp154, sp130
#ifdef VERSION_EU
UNUSED u8 padEU[0x04];
#endif
UNUSED u8 pad8[0x04];
#ifndef VERSION_EU
u16 resamplingRateFixedPoint; // sp5c, sp11A
#endif
s32 noteFinished; // 150 t2, sp124
s32 restart; // 14c t3, sp120
s32 flags; // sp148, sp11C
#ifdef VERSION_EU
u16 resamplingRateFixedPoint; // sp5c, sp11A
#endif
UNUSED u8 pad7[0x0c]; // sp100
UNUSED s32 tempBufLen;
#ifdef VERSION_EU
s32 sp130; //sp128, sp104
UNUSED u32 pad9;
#else
UNUSED u32 pad9;
s32 sp130; //sp128, sp104
#endif
s32 nAdpcmSamplesProcessed; // signed required for US
s32 t0;
#ifdef VERSION_EU
u8 *sampleAddr; // sp120, spF4
s32 s6;
#else
s32 s6;
u8 *sampleAddr; // sp120, spF4
#endif
// sp6c is a temporary!
#ifdef VERSION_EU
s32 samplesLenAdjusted; // 108, spEC
// Might have been used to store (samplesLenFixedPoint >> 0x10), but doing so causes strange
// behavior with the break near the end of the loop, causing US and JP to need a goto instead
UNUSED s32 samplesLenInt;
s32 endPos; // sp110, spE4
s32 nSamplesToProcess; // sp10c/a0, spE0
s32 s2;
#else
// Might have been used to store (samplesLenFixedPoint >> 0x10), but doing so causes strange
// behavior with the break near the end of the loop, causing US and JP to need a goto instead
UNUSED s32 samplesLenInt;
s32 samplesLenAdjusted; // 108
s32 s2;
s32 endPos; // sp110, spE4
s32 nSamplesToProcess; // sp10c/a0, spE0
#endif
s32 s0;
s32 s3;
s32 s5; //s4
u32 samplesLenFixedPoint; // v1_1
s32 nSamplesInThisIteration; // v1_2
u32 a3;
#ifndef VERSION_EU
s32 t9;
#endif
u8 *v0_2;
s32 nParts; // spE8, spBC
s32 curPart; // spE4, spB8
#ifndef VERSION_EU
f32 resamplingRate; // f12
#endif
s32 temp;
#ifdef VERSION_EU
s32 s5Aligned;
#endif
s32 resampledTempLen; // spD8, spAC
u16 noteSamplesDmemAddrBeforeResampling; // spD6, spAA
#ifndef VERSION_EU
for (noteIndex = 0; noteIndex < gMaxSimultaneousNotes; noteIndex++) {
note = &gNotes[noteIndex];
#ifdef VERSION_US
//! This function requires note->enabled to be volatile, but it breaks other functions like note_enable.
//! Casting to a struct with just the volatile bitfield works, but there may be a better way to match.
if (((struct vNote *)note)->enabled && IS_BANK_LOAD_COMPLETE(note->bankId) == FALSE) {
#else
if (IS_BANK_LOAD_COMPLETE(note->bankId) == FALSE) {
#endif
gAudioErrorFlags = (note->bankId << 8) + noteIndex + 0x1000000;
} else if (((struct vNote *)note)->enabled) {
#else
if (note->noteSubEu.enabled == FALSE) {
return cmd;
} else {
#endif
flags = 0;
#ifdef VERSION_EU
tempBufLen = bufLen;
#endif
#ifdef VERSION_EU
if (noteSubEu->needsInit == TRUE) {
#else
if (note->needsInit == TRUE) {
#endif
flags = A_INIT;
#ifndef VERSION_EU
note->samplePosInt = 0;
note->samplePosFrac = 0;
#else
synthesisState->restart = FALSE;
synthesisState->samplePosInt = 0;
synthesisState->samplePosFrac = 0;
synthesisState->curVolLeft = 1;
synthesisState->curVolRight = 1;
synthesisState->prevHeadsetPanRight = 0;
synthesisState->prevHeadsetPanLeft = 0;
#endif
}
#ifndef VERSION_EU
if (note->frequency < US_FLOAT(2.0)) {
nParts = 1;
if (note->frequency > US_FLOAT(1.99996)) {
note->frequency = US_FLOAT(1.99996);
}
resamplingRate = note->frequency;
} else {
// If frequency is > 2.0, the processing must be split into two parts
nParts = 2;
if (note->frequency >= US_FLOAT(3.99993)) {
note->frequency = US_FLOAT(3.99993);
}
resamplingRate = note->frequency * US_FLOAT(.5);
}
resamplingRateFixedPoint = (u16)(s32)(resamplingRate * 32768.0f);
samplesLenFixedPoint = note->samplePosFrac + (resamplingRateFixedPoint * bufLen) * 2;
note->samplePosFrac = samplesLenFixedPoint & 0xFFFF; // 16-bit store, can't reuse
#else
resamplingRateFixedPoint = noteSubEu->resamplingRateFixedPoint;
nParts = noteSubEu->hasTwoAdpcmParts + 1;
samplesLenFixedPoint = (resamplingRateFixedPoint * tempBufLen * 2) + synthesisState->samplePosFrac;
synthesisState->samplePosFrac = samplesLenFixedPoint & 0xFFFF;
#endif
#ifdef VERSION_EU
if (noteSubEu->isSyntheticWave) {
cmd = load_wave_samples(cmd, noteSubEu, synthesisState, samplesLenFixedPoint >> 0x10);
noteSamplesDmemAddrBeforeResampling = (synthesisState->samplePosInt * 2) + DMEM_ADDR_UNCOMPRESSED_NOTE;
synthesisState->samplePosInt += samplesLenFixedPoint >> 0x10;
}
#else
if (note->sound == NULL) {
// A wave synthesis note (not ADPCM)
cmd = load_wave_samples(cmd, note, samplesLenFixedPoint >> 0x10);
noteSamplesDmemAddrBeforeResampling = DMEM_ADDR_UNCOMPRESSED_NOTE + note->samplePosInt * 2;
note->samplePosInt += (samplesLenFixedPoint >> 0x10);
flags = 0;
}
#endif
else {
// ADPCM note
#ifdef VERSION_EU
audioBookSample = noteSubEu->sound.audioBankSound->sample;
#else
audioBookSample = note->sound->sample;
#endif
loopInfo = audioBookSample->loop;
endPos = loopInfo->end;
sampleAddr = audioBookSample->sampleAddr;
resampledTempLen = 0;
for (curPart = 0; curPart < nParts; curPart++) {
nAdpcmSamplesProcessed = 0; // s8
s5 = 0; // s4
if (nParts == 1) {
samplesLenAdjusted = samplesLenFixedPoint >> 0x10;
} else if ((samplesLenFixedPoint >> 0x10) & 1) {
samplesLenAdjusted = ((samplesLenFixedPoint >> 0x10) & ~1) + (curPart * 2);
}
else {
samplesLenAdjusted = (samplesLenFixedPoint >> 0x10);
}
if (curLoadedBook != audioBookSample->book->book) {
u32 nEntries; // v1
curLoadedBook = audioBookSample->book->book;
#ifdef VERSION_EU
nEntries = 16 * audioBookSample->book->order * audioBookSample->book->npredictors;
aLoadADPCM(cmd++, nEntries, VIRTUAL_TO_PHYSICAL2(curLoadedBook + noteSubEu->bookOffset));
#else
nEntries = audioBookSample->book->order * audioBookSample->book->npredictors;
aLoadADPCM(cmd++, nEntries * 16, VIRTUAL_TO_PHYSICAL2(curLoadedBook));
#endif
}
#ifdef VERSION_EU
if (noteSubEu->bookOffset) {
curLoadedBook = (s16 *) &euUnknownData_80301950; // what's this? never read
}
#endif
while (nAdpcmSamplesProcessed != samplesLenAdjusted) {
s32 samplesRemaining; // v1
s32 s0;
noteFinished = FALSE;
restart = FALSE;
nSamplesToProcess = samplesLenAdjusted - nAdpcmSamplesProcessed;
#ifdef VERSION_EU
s2 = synthesisState->samplePosInt & 0xf;
samplesRemaining = endPos - synthesisState->samplePosInt;
#else
s2 = note->samplePosInt & 0xf;
samplesRemaining = endPos - note->samplePosInt;
#endif
#ifdef VERSION_EU
if (s2 == 0 && synthesisState->restart == FALSE) {
s2 = 16;
}
#else
if (s2 == 0 && note->restart == FALSE) {
s2 = 16;
}
#endif
s6 = 16 - s2; // a1
if (nSamplesToProcess < samplesRemaining) {
t0 = (nSamplesToProcess - s6 + 0xf) / 16;
s0 = t0 * 16;
s3 = s6 + s0 - nSamplesToProcess;
} else {
#ifndef VERSION_EU
s0 = samplesRemaining + s2 - 0x10;
#else
s0 = samplesRemaining - s6;
#endif
s3 = 0;
if (s0 <= 0) {
s0 = 0;
s6 = samplesRemaining;
}
t0 = (s0 + 0xf) / 16;
if (loopInfo->count != 0) {
// Loop around and restart
restart = 1;
} else {
noteFinished = 1;
}
}
if (t0 != 0) {
#ifdef VERSION_EU
temp = (synthesisState->samplePosInt - s2 + 0x10) / 16;
if (audioBookSample->loaded == 0x81) {
v0_2 = sampleAddr + temp * 9;
} else {
v0_2 = dma_sample_data(
(uintptr_t) (sampleAddr + temp * 9),
t0 * 9, flags, &synthesisState->sampleDmaIndex);
}
#else
temp = (note->samplePosInt - s2 + 0x10) / 16;
v0_2 = dma_sample_data(
(uintptr_t) (sampleAddr + temp * 9),
t0 * 9, flags, &note->sampleDmaIndex);
#endif
a3 = (u32)((uintptr_t) v0_2 & 0xf);
aSetBuffer(cmd++, 0, DMEM_ADDR_COMPRESSED_ADPCM_DATA, 0, t0 * 9 + a3);
aLoadBuffer(cmd++, VIRTUAL_TO_PHYSICAL2(v0_2 - a3));
} else {
s0 = 0;
a3 = 0;
}
#ifdef VERSION_EU
if (synthesisState->restart != FALSE) {
aSetLoop(cmd++, VIRTUAL_TO_PHYSICAL2(audioBookSample->loop->state));
flags = A_LOOP; // = 2
synthesisState->restart = FALSE;
}
#else
if (note->restart != FALSE) {
aSetLoop(cmd++, VIRTUAL_TO_PHYSICAL2(audioBookSample->loop->state));
flags = A_LOOP; // = 2
note->restart = FALSE;
}
#endif
nSamplesInThisIteration = s0 + s6 - s3;
#ifdef VERSION_EU
if (nAdpcmSamplesProcessed == 0) {
aSetBuffer(cmd++, 0, DMEM_ADDR_COMPRESSED_ADPCM_DATA + a3,
DMEM_ADDR_UNCOMPRESSED_NOTE, s0 * 2);
aADPCMdec(cmd++, flags,
VIRTUAL_TO_PHYSICAL2(synthesisState->synthesisBuffers->adpcmdecState));
sp130 = s2 * 2;
} else {
s5Aligned = ALIGN(s5, 5);
aSetBuffer(cmd++, 0, DMEM_ADDR_COMPRESSED_ADPCM_DATA + a3,
DMEM_ADDR_UNCOMPRESSED_NOTE + s5Aligned, s0 * 2);
aADPCMdec(cmd++, flags,
VIRTUAL_TO_PHYSICAL2(synthesisState->synthesisBuffers->adpcmdecState));
aDMEMMove(cmd++, DMEM_ADDR_UNCOMPRESSED_NOTE + s5Aligned + (s2 * 2),
DMEM_ADDR_UNCOMPRESSED_NOTE + s5, (nSamplesInThisIteration) * 2);
}
#else
if (nAdpcmSamplesProcessed == 0) {
aSetBuffer(cmd++, 0, DMEM_ADDR_COMPRESSED_ADPCM_DATA + a3, DMEM_ADDR_UNCOMPRESSED_NOTE, s0 * 2);
aADPCMdec(cmd++, flags, VIRTUAL_TO_PHYSICAL2(note->synthesisBuffers->adpcmdecState));
sp130 = s2 * 2;
} else {
aSetBuffer(cmd++, 0, DMEM_ADDR_COMPRESSED_ADPCM_DATA + a3, DMEM_ADDR_UNCOMPRESSED_NOTE + ALIGN(s5, 5), s0 * 2);
aADPCMdec(cmd++, flags, VIRTUAL_TO_PHYSICAL2(note->synthesisBuffers->adpcmdecState));
aDMEMMove(cmd++, DMEM_ADDR_UNCOMPRESSED_NOTE + ALIGN(s5, 5) + (s2 * 2), DMEM_ADDR_UNCOMPRESSED_NOTE + s5, (nSamplesInThisIteration) * 2);
}
#endif
nAdpcmSamplesProcessed += nSamplesInThisIteration;
switch (flags) {
case A_INIT: // = 1
sp130 = 0;
s5 = s0 * 2 + s5;
break;
case A_LOOP: // = 2
s5 = nSamplesInThisIteration * 2 + s5;
break;
default:
if (s5 != 0) {
s5 = nSamplesInThisIteration * 2 + s5;
} else {
s5 = (s2 + nSamplesInThisIteration) * 2;
}
break;
}
flags = 0;
if (noteFinished) {
aClearBuffer(cmd++, DMEM_ADDR_UNCOMPRESSED_NOTE + s5,
(samplesLenAdjusted - nAdpcmSamplesProcessed) * 2);
#ifdef VERSION_EU
noteSubEu->finished = 1;
note->noteSubEu.finished = 1;
note->noteSubEu.enabled = 0;
#else
note->samplePosInt = 0;
note->finished = 1;
((struct vNote *)note)->enabled = 0;
#endif
break;
}
#ifdef VERSION_EU
if (restart) {
synthesisState->restart = TRUE;
synthesisState->samplePosInt = loopInfo->start;
} else {
synthesisState->samplePosInt += nSamplesToProcess;
}
#else
if (restart) {
note->restart = TRUE;
note->samplePosInt = loopInfo->start;
} else {
note->samplePosInt += nSamplesToProcess;
}
#endif
}
switch (nParts) {
case 1:
noteSamplesDmemAddrBeforeResampling = DMEM_ADDR_UNCOMPRESSED_NOTE + sp130;
break;
case 2:
switch (curPart) {
case 0:
aSetBuffer(cmd++, 0, DMEM_ADDR_UNCOMPRESSED_NOTE + sp130, DMEM_ADDR_ADPCM_RESAMPLED, samplesLenAdjusted + 4);
#ifdef VERSION_EU
aResample(cmd++, A_INIT, 0xff60, VIRTUAL_TO_PHYSICAL2(synthesisState->synthesisBuffers->dummyResampleState));
#else
aResample(cmd++, A_INIT, 0xff60, VIRTUAL_TO_PHYSICAL2(note->synthesisBuffers->dummyResampleState));
#endif
resampledTempLen = samplesLenAdjusted + 4;
noteSamplesDmemAddrBeforeResampling = DMEM_ADDR_ADPCM_RESAMPLED + 4;
#ifdef VERSION_EU
if (noteSubEu->finished != FALSE) {
#else
if (note->finished != FALSE) {
#endif
aClearBuffer(cmd++, DMEM_ADDR_ADPCM_RESAMPLED + resampledTempLen, samplesLenAdjusted + 0x10);
}
break;
case 1:
aSetBuffer(cmd++, 0, DMEM_ADDR_UNCOMPRESSED_NOTE + sp130,
DMEM_ADDR_ADPCM_RESAMPLED2,
samplesLenAdjusted + 8);
#ifdef VERSION_EU
aResample(cmd++, A_INIT, 0xff60,
VIRTUAL_TO_PHYSICAL2(
synthesisState->synthesisBuffers->dummyResampleState));
#else
aResample(cmd++, A_INIT, 0xff60,
VIRTUAL_TO_PHYSICAL2(
note->synthesisBuffers->dummyResampleState));
#endif
aDMEMMove(cmd++, DMEM_ADDR_ADPCM_RESAMPLED2 + 4,
DMEM_ADDR_ADPCM_RESAMPLED + resampledTempLen,
samplesLenAdjusted + 4);
break;
}
}
#ifdef VERSION_EU
if (noteSubEu->finished != FALSE) {
#else
if (note->finished != FALSE) {
#endif
break;
}
}
}
flags = 0;
#ifdef VERSION_EU
if (noteSubEu->needsInit == TRUE) {
flags = A_INIT;
noteSubEu->needsInit = FALSE;
}
cmd = final_resample(cmd, synthesisState, bufLen * 2, resamplingRateFixedPoint,
noteSamplesDmemAddrBeforeResampling, flags);
#else
if (note->needsInit == TRUE) {
flags = A_INIT;
note->needsInit = FALSE;
}
cmd = final_resample(cmd, note, bufLen * 2, resamplingRateFixedPoint,
noteSamplesDmemAddrBeforeResampling, flags);
#endif
#ifndef VERSION_EU
if (note->headsetPanRight != 0 || note->prevHeadsetPanRight != 0) {
s0 = 1;
} else if (note->headsetPanLeft != 0 || note->prevHeadsetPanLeft != 0) {
s0 = 2;
#else
if (noteSubEu->headsetPanRight != 0 || synthesisState->prevHeadsetPanRight != 0) {
s0 = 1;
} else if (noteSubEu->headsetPanLeft != 0 || synthesisState->prevHeadsetPanLeft != 0) {
s0 = 2;
#endif
} else {
s0 = 0;
}
#ifdef VERSION_EU
cmd = process_envelope(cmd, noteSubEu, synthesisState, bufLen, 0, s0, flags);
#else
cmd = process_envelope(cmd, note, bufLen, 0, s0, flags);
#endif
#ifdef VERSION_EU
if (noteSubEu->usesHeadsetPanEffects) {
cmd = note_apply_headset_pan_effects(cmd, noteSubEu, synthesisState, bufLen * 2, flags, s0);
}
#else
if (note->usesHeadsetPanEffects) {
cmd = note_apply_headset_pan_effects(cmd, note, bufLen * 2, flags, s0);
}
#endif
}
#ifndef VERSION_EU
}
t9 = bufLen * 2;
aSetBuffer(cmd++, 0, 0, DMEM_ADDR_TEMP, t9);
aInterleave(cmd++, DMEM_ADDR_LEFT_CH, DMEM_ADDR_RIGHT_CH);
t9 *= 2;
aSetBuffer(cmd++, 0, 0, DMEM_ADDR_TEMP, t9);
aSaveBuffer(cmd++, VIRTUAL_TO_PHYSICAL2(aiBuf));
#endif
return cmd;
}
#ifdef VERSION_EU
u64 *load_wave_samples(u64 *cmd, struct NoteSubEu *noteSubEu, struct NoteSynthesisState *synthesisState, s32 nSamplesToLoad) {
s32 a3;
s32 i;
s32 repeats;
aSetBuffer(cmd++, /*flags*/ 0, /*dmemin*/ DMEM_ADDR_UNCOMPRESSED_NOTE, /*dmemout*/ 0, /*count*/ 128);
aLoadBuffer(cmd++, VIRTUAL_TO_PHYSICAL2(noteSubEu->sound.samples));
synthesisState->samplePosInt &= 0x3f;
a3 = 64 - synthesisState->samplePosInt;
if (a3 < nSamplesToLoad) {
repeats = (nSamplesToLoad - a3 + 63) / 64;
for (i = 0; i < repeats; i++) {
aDMEMMove(cmd++,
/*dmemin*/ DMEM_ADDR_UNCOMPRESSED_NOTE,
/*dmemout*/ DMEM_ADDR_UNCOMPRESSED_NOTE + (1 + i) * 128,
/*count*/ 128);
}
}
return cmd;
}
#else
u64 *load_wave_samples(u64 *cmd, struct Note *note, s32 nSamplesToLoad) {
s32 a3;
s32 i;
aSetBuffer(cmd++, /*flags*/ 0, /*dmemin*/ DMEM_ADDR_UNCOMPRESSED_NOTE, /*dmemout*/ 0,
/*count*/ sizeof(note->synthesisBuffers->samples));
aLoadBuffer(cmd++, VIRTUAL_TO_PHYSICAL2(note->synthesisBuffers->samples));
note->samplePosInt &= (note->sampleCount - 1);
a3 = 64 - note->samplePosInt;
if (a3 < nSamplesToLoad) {
for (i = 0; i <= (nSamplesToLoad - a3 + 63) / 64 - 1; i++) {
aDMEMMove(cmd++, /*dmemin*/ DMEM_ADDR_UNCOMPRESSED_NOTE, /*dmemout*/ DMEM_ADDR_UNCOMPRESSED_NOTE + (1 + i) * sizeof(note->synthesisBuffers->samples), /*count*/ sizeof(note->synthesisBuffers->samples));
}
}
return cmd;
}
#endif
#ifdef VERSION_EU
u64 *final_resample(u64 *cmd, struct NoteSynthesisState *synthesisState, s32 count, u16 pitch, u16 dmemIn, u32 flags) {
aSetBuffer(cmd++, /*flags*/ 0, dmemIn, /*dmemout*/ 0, count);
aResample(cmd++, flags, pitch, VIRTUAL_TO_PHYSICAL2(synthesisState->synthesisBuffers->finalResampleState));
return cmd;
}
#else
u64 *final_resample(u64 *cmd, struct Note *note, s32 count, u16 pitch, u16 dmemIn, u32 flags) {
aSetBuffer(cmd++, /*flags*/ 0, dmemIn, /*dmemout*/ 0, count);
aResample(cmd++, flags, pitch, VIRTUAL_TO_PHYSICAL2(note->synthesisBuffers->finalResampleState));
return cmd;
}
#endif
#ifndef VERSION_EU
u64 *process_envelope(u64 *cmd, struct Note *note, s32 nSamples, u16 inBuf, s32 headsetPanSettings,
UNUSED u32 flags) {
UNUSED u8 pad[16];
struct VolumeChange vol;
vol.sourceLeft = note->curVolLeft;
vol.sourceRight = note->curVolRight;
vol.targetLeft = note->targetVolLeft;
vol.targetRight = note->targetVolRight;
note->curVolLeft = vol.targetLeft;
note->curVolRight = vol.targetRight;
return process_envelope_inner(cmd, note, nSamples, inBuf, headsetPanSettings, &vol);
}
u64 *process_envelope_inner(u64 *cmd, struct Note *note, s32 nSamples, u16 inBuf,
s32 headsetPanSettings, struct VolumeChange *vol) {
UNUSED u8 pad[3];
u8 mixerFlags;
UNUSED u8 pad2[8];
s32 rampLeft, rampRight;
#else
u64 *process_envelope(u64 *cmd, struct NoteSubEu *note, struct NoteSynthesisState *synthesisState, s32 nSamples, u16 inBuf, s32 headsetPanSettings, UNUSED u32 flags) {
UNUSED u8 pad1[20];
u16 sourceRight;
u16 sourceLeft;
UNUSED u8 pad2[4];
u16 targetLeft;
u16 targetRight;
s32 mixerFlags;
s32 rampLeft;
s32 rampRight;
sourceLeft = synthesisState->curVolLeft;
sourceRight = synthesisState->curVolRight;
targetLeft = (note->targetVolLeft << 5);
targetRight = (note->targetVolRight << 5);
if (targetLeft == 0) {
targetLeft++;
}
if (targetRight == 0) {
targetRight++;
}
synthesisState->curVolLeft = targetLeft;
synthesisState->curVolRight = targetRight;
#endif
// For aEnvMixer, five buffers and count are set using aSetBuffer.
// in, dry left, count without A_AUX flag.
// dry right, wet left, wet right with A_AUX flag.
if (note->usesHeadsetPanEffects) {
aClearBuffer(cmd++, DMEM_ADDR_NOTE_PAN_TEMP, DEFAULT_LEN_1CH);
switch (headsetPanSettings) {
case 1:
aSetBuffer(cmd++, 0, inBuf, DMEM_ADDR_NOTE_PAN_TEMP, nSamples * 2);
aSetBuffer(cmd++, A_AUX, DMEM_ADDR_RIGHT_CH, DMEM_ADDR_WET_LEFT_CH,
DMEM_ADDR_WET_RIGHT_CH);
break;
case 2:
aSetBuffer(cmd++, 0, inBuf, DMEM_ADDR_LEFT_CH, nSamples * 2);
aSetBuffer(cmd++, A_AUX, DMEM_ADDR_NOTE_PAN_TEMP, DMEM_ADDR_WET_LEFT_CH,
DMEM_ADDR_WET_RIGHT_CH);
break;
default:
aSetBuffer(cmd++, 0, inBuf, DMEM_ADDR_LEFT_CH, nSamples * 2);
aSetBuffer(cmd++, A_AUX, DMEM_ADDR_RIGHT_CH, DMEM_ADDR_WET_LEFT_CH,
DMEM_ADDR_WET_RIGHT_CH);
break;
}
} else {
// It's a bit unclear what the "stereo strong" concept does.
// Instead of mixing the opposite channel to the normal buffers, the sound is first
// mixed into a temporary buffer and then subtracted from the normal buffer.
if (note->stereoStrongRight) {
aClearBuffer(cmd++, DMEM_ADDR_STEREO_STRONG_TEMP_DRY, DEFAULT_LEN_2CH);
aSetBuffer(cmd++, 0, inBuf, DMEM_ADDR_STEREO_STRONG_TEMP_DRY, nSamples * 2);
aSetBuffer(cmd++, A_AUX, DMEM_ADDR_RIGHT_CH, DMEM_ADDR_STEREO_STRONG_TEMP_WET,
DMEM_ADDR_WET_RIGHT_CH);
} else if (note->stereoStrongLeft) {
aClearBuffer(cmd++, DMEM_ADDR_STEREO_STRONG_TEMP_DRY, DEFAULT_LEN_2CH);
aSetBuffer(cmd++, 0, inBuf, DMEM_ADDR_LEFT_CH, nSamples * 2);
aSetBuffer(cmd++, A_AUX, DMEM_ADDR_STEREO_STRONG_TEMP_DRY, DMEM_ADDR_WET_LEFT_CH,
DMEM_ADDR_STEREO_STRONG_TEMP_WET);
} else {
aSetBuffer(cmd++, 0, inBuf, DMEM_ADDR_LEFT_CH, nSamples * 2);
aSetBuffer(cmd++, A_AUX, DMEM_ADDR_RIGHT_CH, DMEM_ADDR_WET_LEFT_CH, DMEM_ADDR_WET_RIGHT_CH);
}
}
#ifdef VERSION_EU
if (targetLeft == sourceLeft && targetRight == sourceRight && !note->envMixerNeedsInit) {
#else
if (vol->targetLeft == vol->sourceLeft && vol->targetRight == vol->sourceRight
&& !note->envMixerNeedsInit) {
#endif
mixerFlags = A_CONTINUE;
} else {
mixerFlags = A_INIT;
#ifdef VERSION_EU
rampLeft = gCurrentLeftVolRamping[targetLeft >> 5] * gCurrentRightVolRamping[sourceLeft >> 5];
rampRight = gCurrentLeftVolRamping[targetRight >> 5] * gCurrentRightVolRamping[sourceRight >> 5];
#else
rampLeft = get_volume_ramping(vol->sourceLeft, vol->targetLeft, nSamples);
rampRight = get_volume_ramping(vol->sourceRight, vol->targetRight, nSamples);
#endif
// The operation's parameters change meanings depending on flags
#ifdef VERSION_EU
aSetVolume(cmd++, A_VOL | A_LEFT, sourceLeft, 0, 0);
aSetVolume(cmd++, A_VOL | A_RIGHT, sourceRight, 0, 0);
aSetVolume32(cmd++, A_RATE | A_LEFT, targetLeft, rampLeft);
aSetVolume32(cmd++, A_RATE | A_RIGHT, targetRight, rampRight);
aSetVolume(cmd++, A_AUX, gVolume, 0, note->reverbVol << 8);
#else
aSetVolume(cmd++, A_VOL | A_LEFT, vol->sourceLeft, 0, 0);
aSetVolume(cmd++, A_VOL | A_RIGHT, vol->sourceRight, 0, 0);
aSetVolume32(cmd++, A_RATE | A_LEFT, vol->targetLeft, rampLeft);
aSetVolume32(cmd++, A_RATE | A_RIGHT, vol->targetRight, rampRight);
aSetVolume(cmd++, A_AUX, gVolume, 0, note->reverbVol);
#endif
}
#ifdef VERSION_EU
if (gUseReverb && note->reverbVol != 0) {
aEnvMixer(cmd++, mixerFlags | A_AUX,
VIRTUAL_TO_PHYSICAL2(synthesisState->synthesisBuffers->mixEnvelopeState));
#else
if (gSynthesisReverb.useReverb && note->reverb) {
aEnvMixer(cmd++, mixerFlags | A_AUX,
VIRTUAL_TO_PHYSICAL2(note->synthesisBuffers->mixEnvelopeState));
#endif
if (note->stereoStrongRight) {
aSetBuffer(cmd++, 0, 0, 0, nSamples * 2);
// 0x8000 is -100%, so subtract sound instead of adding...
aMix(cmd++, 0, /*gain*/ 0x8000, /*in*/ DMEM_ADDR_STEREO_STRONG_TEMP_DRY,
/*out*/ DMEM_ADDR_LEFT_CH);
aMix(cmd++, 0, /*gain*/ 0x8000, /*in*/ DMEM_ADDR_STEREO_STRONG_TEMP_WET,
/*out*/ DMEM_ADDR_WET_LEFT_CH);
} else if (note->stereoStrongLeft) {
aSetBuffer(cmd++, 0, 0, 0, nSamples * 2);
aMix(cmd++, 0, /*gain*/ 0x8000, /*in*/ DMEM_ADDR_STEREO_STRONG_TEMP_DRY,
/*out*/ DMEM_ADDR_RIGHT_CH);
aMix(cmd++, 0, /*gain*/ 0x8000, /*in*/ DMEM_ADDR_STEREO_STRONG_TEMP_WET,
/*out*/ DMEM_ADDR_WET_RIGHT_CH);
}
} else {
#ifdef VERSION_EU
aEnvMixer(cmd++, mixerFlags, VIRTUAL_TO_PHYSICAL2(synthesisState->synthesisBuffers->mixEnvelopeState));
#else
aEnvMixer(cmd++, mixerFlags, VIRTUAL_TO_PHYSICAL2(note->synthesisBuffers->mixEnvelopeState));
#endif
if (note->stereoStrongRight) {
aSetBuffer(cmd++, 0, 0, 0, nSamples * 2);
aMix(cmd++, 0, /*gain*/ 0x8000, /*in*/ DMEM_ADDR_STEREO_STRONG_TEMP_DRY,
/*out*/ DMEM_ADDR_LEFT_CH);
} else if (note->stereoStrongLeft) {
aSetBuffer(cmd++, 0, 0, 0, nSamples * 2);
aMix(cmd++, 0, /*gain*/ 0x8000, /*in*/ DMEM_ADDR_STEREO_STRONG_TEMP_DRY,
/*out*/ DMEM_ADDR_RIGHT_CH);
}
}
return cmd;
}
#ifdef VERSION_EU
u64 *note_apply_headset_pan_effects(u64 *cmd, struct NoteSubEu *noteSubEu, struct NoteSynthesisState *note, s32 bufLen, s32 flags, s32 leftRight) {
#else
u64 *note_apply_headset_pan_effects(u64 *cmd, struct Note *note, s32 bufLen, s32 flags, s32 leftRight) {
#endif
u16 dest;
u16 pitch; // t2
#ifndef VERSION_EU
u16 prevPanShift;
u16 panShift;
#else
u8 prevPanShift;
u8 panShift;
UNUSED u8 unkDebug;
#endif
switch (leftRight) {
case 1:
dest = DMEM_ADDR_LEFT_CH;
#ifndef VERSION_EU
panShift = note->headsetPanRight;
#else
panShift = noteSubEu->headsetPanRight;
#endif
note->prevHeadsetPanLeft = 0;
prevPanShift = note->prevHeadsetPanRight;
note->prevHeadsetPanRight = panShift;
break;
case 2:
dest = DMEM_ADDR_RIGHT_CH;
#ifndef VERSION_EU
panShift = note->headsetPanLeft;
#else
panShift = noteSubEu->headsetPanLeft;
#endif
note->prevHeadsetPanRight = 0;
prevPanShift = note->prevHeadsetPanLeft;
note->prevHeadsetPanLeft = panShift;
break;
default:
return cmd;
}
if (flags != 1) // A_INIT?
{
// Slightly adjust the sample rate in order to fit a change in pan shift
if (prevPanShift == 0) {
// Kind of a hack that moves the first samples into the resample state
aDMEMMove(cmd++, DMEM_ADDR_NOTE_PAN_TEMP, DMEM_ADDR_TEMP, 8);
aClearBuffer(cmd++, 8, 8); // Set pitch accumulator to 0 in the resample state
aDMEMMove(cmd++, DMEM_ADDR_NOTE_PAN_TEMP, DMEM_ADDR_TEMP + 0x10,
0x10); // No idea, result seems to be overwritten later
aSetBuffer(cmd++, 0, 0, DMEM_ADDR_TEMP, 32);
aSaveBuffer(cmd++, VIRTUAL_TO_PHYSICAL2(note->synthesisBuffers->panResampleState));
#ifdef VERSION_EU
pitch = (bufLen << 0xf) / (bufLen + panShift - prevPanShift + 8);
if (pitch) {
}
#else
pitch = (bufLen << 0xf) / (panShift + bufLen - prevPanShift + 8);
#endif
aSetBuffer(cmd++, 0, DMEM_ADDR_NOTE_PAN_TEMP + 8, DMEM_ADDR_TEMP, panShift + bufLen - prevPanShift);
aResample(cmd++, 0, pitch, VIRTUAL_TO_PHYSICAL2(note->synthesisBuffers->panResampleState));
} else {
if (panShift == 0) {
pitch = (bufLen << 0xf) / (bufLen - prevPanShift - 4);
} else {
pitch = (bufLen << 0xf) / (bufLen + panShift - prevPanShift);
}
#if defined(VERSION_EU) && !defined(AVOID_UB)
if (unkDebug) { // UB
}
#endif
aSetBuffer(cmd++, 0, DMEM_ADDR_NOTE_PAN_TEMP, DMEM_ADDR_TEMP, panShift + bufLen - prevPanShift);
aResample(cmd++, 0, pitch, VIRTUAL_TO_PHYSICAL2(note->synthesisBuffers->panResampleState));
}
if (prevPanShift != 0) {
aSetBuffer(cmd++, 0, DMEM_ADDR_NOTE_PAN_TEMP, 0, prevPanShift);
aLoadBuffer(cmd++, VIRTUAL_TO_PHYSICAL2(note->synthesisBuffers->panSamplesBuffer));
aDMEMMove(cmd++, DMEM_ADDR_TEMP, DMEM_ADDR_NOTE_PAN_TEMP + prevPanShift, panShift + bufLen - prevPanShift);
} else {
aDMEMMove(cmd++, DMEM_ADDR_TEMP, DMEM_ADDR_NOTE_PAN_TEMP, panShift + bufLen - prevPanShift);
}
} else {
// Just shift right
aDMEMMove(cmd++, DMEM_ADDR_NOTE_PAN_TEMP, DMEM_ADDR_TEMP, bufLen);
aDMEMMove(cmd++, DMEM_ADDR_TEMP, DMEM_ADDR_NOTE_PAN_TEMP + panShift, bufLen);
aClearBuffer(cmd++, DMEM_ADDR_NOTE_PAN_TEMP, panShift);
}
if (panShift) {
// Save excessive samples for next iteration
aSetBuffer(cmd++, 0, 0, DMEM_ADDR_NOTE_PAN_TEMP + bufLen, panShift);
aSaveBuffer(cmd++, VIRTUAL_TO_PHYSICAL2(note->synthesisBuffers->panSamplesBuffer));
}
aSetBuffer(cmd++, 0, 0, 0, bufLen);
aMix(cmd++, 0, /*gain*/ 0x7fff, /*in*/ DMEM_ADDR_NOTE_PAN_TEMP, /*out*/ dest);
return cmd;
}
#if !defined(VERSION_EU)
// Moved to playback.c in EU
void note_init_volume(struct Note *note) {
note->targetVolLeft = 0;
note->targetVolRight = 0;
note->reverb = 0;
note->reverbVol = 0;
note->unused2 = 0;
note->curVolLeft = 1;
note->curVolRight = 1;
note->frequency = 0.0f;
}
void note_set_vel_pan_reverb(struct Note *note, f32 velocity, f32 pan, u8 reverb) {
s32 panIndex;
f32 volLeft;
f32 volRight;
#ifdef VERSION_JP
panIndex = MIN((s32)(pan * 127.5), 127);
#else
panIndex = (s32)(pan * 127.5f) & 127;
#endif
if (note->stereoHeadsetEffects && gSoundMode == SOUND_MODE_HEADSET) {
s8 smallPanIndex;
s8 temp = (s8)(pan * 10.0f);
if (temp < 9) {
smallPanIndex = temp;
} else {
smallPanIndex = 9;
}
note->headsetPanLeft = gHeadsetPanQuantization[smallPanIndex];
note->headsetPanRight = gHeadsetPanQuantization[9 - smallPanIndex];
note->stereoStrongRight = FALSE;
note->stereoStrongLeft = FALSE;
note->usesHeadsetPanEffects = TRUE;
volLeft = gHeadsetPanVolume[panIndex];
volRight = gHeadsetPanVolume[127 - panIndex];
} else if (note->stereoHeadsetEffects && gSoundMode == SOUND_MODE_STEREO) {
u8 strongLeft;
u8 strongRight;
strongLeft = FALSE;
strongRight = FALSE;
note->headsetPanLeft = 0;
note->headsetPanRight = 0;
note->usesHeadsetPanEffects = FALSE;
volLeft = gStereoPanVolume[panIndex];
volRight = gStereoPanVolume[127 - panIndex];
if (panIndex < 0x20) {
strongLeft = TRUE;
} else if (panIndex > 0x60) {
strongRight = TRUE;
}
note->stereoStrongRight = strongRight;
note->stereoStrongLeft = strongLeft;
} else if (gSoundMode == SOUND_MODE_MONO) {
volLeft = .707f;
volRight = .707f;
} else {
volLeft = gDefaultPanVolume[panIndex];
volRight = gDefaultPanVolume[127 - panIndex];
}
if (velocity < 0) {
velocity = 0;
}
#ifdef VERSION_JP
note->targetVolLeft = (u16)(velocity * volLeft) & ~0x80FF; // 0x7F00, but that doesn't match
note->targetVolRight = (u16)(velocity * volRight) & ~0x80FF;
#else
note->targetVolLeft = (u16)(s32)(velocity * volLeft) & ~0x80FF;
note->targetVolRight = (u16)(s32)(velocity * volRight) & ~0x80FF;
#endif
if (note->targetVolLeft == 0) {
note->targetVolLeft++;
}
if (note->targetVolRight == 0) {
note->targetVolRight++;
}
if (note->reverb != reverb) {
note->reverb = reverb;
note->reverbVol = reverb << 8;
note->envMixerNeedsInit = TRUE;
return;
}
if (note->needsInit) {
note->envMixerNeedsInit = TRUE;
} else {
note->envMixerNeedsInit = FALSE;
}
}
void note_set_frequency(struct Note *note, f32 frequency) {
note->frequency = frequency;
}
void note_enable(struct Note *note) {
note->enabled = TRUE;
note->needsInit = TRUE;
note->restart = FALSE;
note->finished = FALSE;
note->stereoStrongRight = FALSE;
note->stereoStrongLeft = FALSE;
note->usesHeadsetPanEffects = FALSE;
note->headsetPanLeft = 0;
note->headsetPanRight = 0;
note->prevHeadsetPanRight = 0;
note->prevHeadsetPanLeft = 0;
}
void note_disable(struct Note *note) {
if (note->needsInit == TRUE) {
note->needsInit = FALSE;
} else {
note_set_vel_pan_reverb(note, 0, .5, 0);
}
note->priority = NOTE_PRIORITY_DISABLED;
note->enabled = FALSE;
note->finished = FALSE;
note->parentLayer = NO_LAYER;
note->prevParentLayer = NO_LAYER;
}
#endif
Reference in New Issue View Git Blame Copy Permalink