pi/babyphone
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Reduce volume indicator flickering when volume is low

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edr
2020-04-15 20:13:06 +02:00
parent 3991687565
commit cb067be24c
1 changed files with 3 additions and 3 deletions
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6
app/src/main/java/protect/babymonitor/VolumeView.java
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@@ -27,7 +27,7 @@ public class VolumeView extends View {
double sum = 0; double sum = 0;
for (int i = 0; i < data.length; i++) { for (int i = 0; i < data.length; i++) {
double rel = Math.abs(data[i]) / (double)32767f; double rel = Math.abs(data[i]) / (double)32767f;
sum+=rel; sum+=Math.pow(rel, 4);
} }
volume = sum/data.length; volume = sum/data.length;
if (volume > maxVolume) { if (volume > maxVolume) {
@@ -41,7 +41,7 @@ public class VolumeView extends View {
double relativeBrightness = 0; double relativeBrightness = 0;
if (maxVolume > 0) { if (maxVolume > 0) {
relativeBrightness = volume / (float) maxVolume; relativeBrightness = volume / (float) maxVolume;
relativeBrightness = Math.max(0.2, relativeBrightness ); relativeBrightness = Math.max(0.3, relativeBrightness);
} }
int blue; int blue;
int rest; int rest;
@@ -49,7 +49,7 @@ public class VolumeView extends View {
blue = 255; blue = 255;
rest = (int) (2 * 255 * (relativeBrightness - 0.5)); rest = (int) (2 * 255 * (relativeBrightness - 0.5));
} else { } else {
blue = (int) (2 * 255 * relativeBrightness); blue = (int) (255 * (relativeBrightness - 0.2) / 0.3);
rest = 0; rest = 0;
} }
int rgb = Color.rgb(rest, rest, blue); int rgb = Color.rgb(rest, rest, blue);