print_n_panic/Microtransactions64
0
0
Fork 0
mirror of https://github.com/Print-and-Panic/Microtransactions64.git synced 2026-01-21 10:17:19 -08:00
Code Issues Packages Projects Releases Wiki Activity

More reverb optimization

Browse Source
This commit is contained in:
gheskett
2021-08-03 06:52:21 -05:00
parent 832a395bdc
commit 04f538abc6
1 changed files with 15 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
src/audio/synthesis.c
View File

@@ -123,19 +123,19 @@ inline s16 clamp16(s32 x) {
inline s16 reverb_sample_left(s32 inSample) {
u32 i = 0;
s32 j = 0;
u8 k = 0;
s32 outTmp = 0;
s32 tmpCarryover = 0;
// u32 modCheck;
for (; i < NUM_ALLPASS; ++i) {
tmpBuf[i] = delayBufs[0][i][allpassIdx[0][i]];
}
for (i = 0; i < NUM_ALLPASS; ++i) {
// modCheck = i % 6;
if (/*modCheck == 2 || modCheck == 5*/ i % 3 == 2) {
outTmp += (tmpBuf[i] * reverbMults[0][i / 3]) / 256;
for (i = 0; i < NUM_ALLPASS; ++i, ++j) {
if (j == 2) {
j -= 3;
outTmp += (tmpBuf[i] * reverbMults[0][k++]) / 256;
delayBufs[0][i][allpassIdx[0][i]] = tmpCarryover;
if (i != NUM_ALLPASS - 1)
tmpCarryover = (tmpBuf[i] * gReverbRevIndex) / 256;
@@ -146,8 +146,7 @@ inline s16 reverb_sample_left(s32 inSample) {
delayBufs[0][i][allpassIdx[0][i]] = (tmpBuf[i] * (-gReverbGainIndex) / 256) + tmpCarryover;
tmpCarryover = (delayBufs[0][i][allpassIdx[0][i]] * gReverbGainIndex) / 256;
tmpCarryover += tmpBuf[i];
tmpCarryover = (delayBufs[0][i][allpassIdx[0][i]] * gReverbGainIndex) / 256 + tmpBuf[i];
}
if (++allpassIdx[0][i] == delays[i])
@@ -159,19 +158,19 @@ inline s16 reverb_sample_left(s32 inSample) {
inline s16 reverb_sample_right(s32 inSample) {
u32 i = 0;
s32 j = 0;
u8 k = 0;
s32 outTmp = 0;
s32 tmpCarryover = 0;
// u32 modCheck;
for (; i < NUM_ALLPASS; ++i) {
tmpBuf[i] = delayBufs[1][i][allpassIdx[1][i]];
}
for (i = 0; i < NUM_ALLPASS; ++i) {
// modCheck = i % 6;
if (/*modCheck == 2 || modCheck == 5*/ i % 3 == 2) {
outTmp += (tmpBuf[i] * reverbMults[1][i / 3]) / 256;
for (i = 0; i < NUM_ALLPASS; ++i, ++j) {
if (j == 2) {
j -= 3;
outTmp += (tmpBuf[i] * reverbMults[1][k++]) / 256;
delayBufs[1][i][allpassIdx[1][i]] = tmpCarryover;
if (i != NUM_ALLPASS - 1)
tmpCarryover = (tmpBuf[i] * gReverbRevIndex) / 256;
@@ -182,11 +181,10 @@ inline s16 reverb_sample_right(s32 inSample) {
delayBufs[1][i][allpassIdx[1][i]] = (tmpBuf[i] * (-gReverbGainIndex)) / 256 + tmpCarryover;
if (/*modCheck == 3*/ i == 6)
if (i == 6)
delayBufs[1][i][allpassIdx[1][i]] += inSample;
tmpCarryover = (delayBufs[1][i][allpassIdx[1][i]] * gReverbGainIndex) / 256;
tmpCarryover += tmpBuf[i];
tmpCarryover = (delayBufs[1][i][allpassIdx[1][i]] * gReverbGainIndex) / 256 + tmpBuf[i];
}
if (++allpassIdx[1][i] == delays[i])