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GUI: optimize calcChanOsc()

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This commit is contained in:
tildearrow 2023-09-07 23:27:17 -05:00
parent e06fc9c480
commit a4698dc911
1 changed files with 4 additions and 4 deletions
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8
src/gui/chanOsc.cpp
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@ -96,16 +96,16 @@ void FurnaceGUI::calcChanOsc() {
// 30ms should be enough // 30ms should be enough
int displaySize=(float)(buf->rate)*0.03f; int displaySize=(float)(buf->rate)*0.03f;
if (e->isRunning()) { if (e->isRunning()) {
float minLevel=1.0f; short minLevel=32767;
float maxLevel=-1.0f; short maxLevel=-32768;
unsigned short needlePos=buf->needle; unsigned short needlePos=buf->needle;
needlePos-=displaySize; needlePos-=displaySize;
for (unsigned short i=0; i<512; i++) { for (unsigned short i=0; i<512; i++) {
float y=(float)buf->data[(unsigned short)(needlePos+(i*displaySize/512))]/32768.0f; short y=buf->data[(unsigned short)(needlePos+(i*displaySize/512))];
if (minLevel>y) minLevel=y; if (minLevel>y) minLevel=y;
if (maxLevel<y) maxLevel=y; if (maxLevel<y) maxLevel=y;
} }
float estimate=pow(maxLevel-minLevel,0.5f); float estimate=pow((float)(maxLevel-minLevel)/32768.0f,0.5f);
if (estimate>1.0f) estimate=1.0f; if (estimate>1.0f) estimate=1.0f;
chanOscVol[i]=MAX(chanOscVol[i]*0.87f,estimate); chanOscVol[i]=MAX(chanOscVol[i]*0.87f,estimate);
} }