otomatalabs/furnace
7
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

PCM DAC: fix possible overflow in linear interpola

Browse source
This commit is contained in:
tildearrow 2023-11-26 18:50:22 -05:00
parent 4e333787ff
commit 5ab70ff91f
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/engine/platform/pcmdac.cpp
View file

@ -67,7 +67,7 @@ void DivPlatformPCMDAC::acquire(short** buf, size_t len) {
switch (interp) {
case 1: // linear
output=s6+((s7-s6)*(chan[0].audSub&0xffff)>>16);
output=s6+(((int)((int)s7-(int)s6)*((chan[0].audSub>>1)&0x7fff))>>15);
break;
case 2: { // cubic
float* cubicTable=DivFilterTables::getCubicTable();
@ -188,7 +188,7 @@ void DivPlatformPCMDAC::acquire(short** buf, size_t len) {
switch (interp) {
case 1: // linear
output=s6+((s7-s6)*(chan[0].audSub&0xffff)>>16);
output=s6+(((int)((int)s7-(int)s6)*((chan[0].audSub>>1)&0x7fff))>>15);
break;
case 2: { // cubic
float* cubicTable=DivFilterTables::getCubicTable();