You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
29 lines
832 B
29 lines
832 B
5 days ago
|
class AudioLevelProcessor extends AudioWorkletProcessor {
|
||
|
|
constructor() {
|
||
|
|
super();
|
||
|
|
this._lastUpdate = currentTime;
|
||
|
|
}
|
||
|
|
|
||
|
|
process(inputs, outputs, parameters) {
|
||
|
|
if (!inputs) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (currentTime - this._lastUpdate >= 0.1) {
|
||
|
|
if (!inputs[0] || !inputs[0][0]) {
|
||
|
|
//console.log('@@');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
//auconsole.log('@@',inputs[0][0]);
|
||
|
|
const buffer = inputs[0][0];
|
||
|
|
let max = Math.floor(Math.max.apply(Math, buffer) * 100);
|
||
|
|
if (max < 0) {
|
||
|
|
max = -max;
|
||
|
|
}
|
||
|
|
this.port.postMessage({audioLevel: max});
|
||
|
|
this._lastUpdate = currentTime;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
registerProcessor('audioLevel', AudioLevelProcessor);
|