oak-team/oak-editor
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

volume and pan effects are now logarithmic closer to human hearing (#77)

Browse Source
This commit is contained in:
itsmattkc
2018-06-21 11:04:15 -07:00
parent f344e262e8
commit 72d15b9ed9
2 changed files with 6 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
effects/paneffect.cpp
+2 -1
View File
@@ -2,6 +2,7 @@
#include <QGridLayout>
#include <QLabel>
#include <QtMath>
#include <cmath>
#include "ui/labelslider.h"
@@ -52,7 +53,7 @@ void PanEffect::process_audio(quint8 *samples, int nb_bytes) {
qint16 left_sample = (qint16) ((samples[i+1] << 8) | samples[i]);
qint16 right_sample = (qint16) ((samples[i+3] << 8) | samples[i+2]);
float val = pan_val->value()*0.01f;
float val = qPow(pan_val->value()*0.01f, 3);
if (val < 0) {
// affect right channel
right_sample *= (1-std::abs(val));
effects/volumeeffect.cpp
+4 -2
View File
@@ -2,6 +2,7 @@
#include <QGridLayout>
#include <QLabel>
#include <QtMath>
#include <QDebug>
#include "ui/labelslider.h"
@@ -47,10 +48,11 @@ void VolumeEffect::save(QXmlStreamWriter* stream) {
}
void VolumeEffect::process_audio(quint8* samples, int nb_bytes) {
if (volume_val->value() != 0) {
if (volume_val->value() != 100) {
for (int i=0;i<nb_bytes;i+=2) {
qint16 samp = (qint16) ((samples[i+1] << 8) | samples[i]);
samp *= (volume_val->value()*0.01f);
float val = qPow(volume_val->value()*0.01f, 3);
samp *= val;
samples[i+1] = (quint8) (samp >> 8);
samples[i] = (quint8) samp;
}