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implement new way of measuring stats that allows arbitrary timeranges

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This commit is contained in:
Jakob Ketterl
2019-10-26 22:32:25 +02:00
parent fe08228204
commit 39120d9413
4 changed files with 111 additions and 26 deletions
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14
htdocs/lib/AudioProcessor.js
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@ -6,11 +6,12 @@ class OwrxAudioProcessor extends AudioWorkletProcessor {
this.audioBuffer = new Float32Array(this.bufferSize);
this.inPos = 0;
this.outPos = 0;
this.samplesProcessed = 0;
this.port.addEventListener('message', (m) => {
if (typeof(m.data) === 'string') {
const json = JSON.parse(m.data);
if (json.cmd && json.cmd === 'getBuffers') {
this.reportBuffers();
if (json.cmd && json.cmd === 'getStats') {
this.reportStats();
}
} else {
// the ringbuffer size is aligned to the output buffer size, which means that the input buffers might
@ -37,6 +38,7 @@ class OwrxAudioProcessor extends AudioWorkletProcessor {
output.set(this.audioBuffer.subarray(this.outPos, this.outPos + 128));
});
this.outPos = (this.outPos + 128) % this.bufferSize;
this.samplesProcessed += 128;
return true;
}
remaining() {
@ -44,8 +46,12 @@ class OwrxAudioProcessor extends AudioWorkletProcessor {
if (mod >= 0) return mod;
return mod + this.bufferSize;
}
reportBuffers() {
this.port.postMessage(JSON.stringify({buffersize: this.remaining()}));
reportStats() {
this.port.postMessage(JSON.stringify({
buffersize: this.remaining(),
samplesProcessed: this.samplesProcessed
}));
this.samplesProcessed = 0;
}
}