fix(client): fix smart speed seek race conditions and network buffering stall bugs

client/players/LocalAudioPlayer.js

@@ -57,6 +57,8 @@ export default class LocalAudioPlayer extends EventEmitter {
     this.player.addEventListener('error', this.evtError.bind(this))
     this.player.addEventListener('loadedmetadata', this.evtLoadedMetadata.bind(this))
     this.player.addEventListener('timeupdate', this.evtTimeupdate.bind(this))
+    this.player.addEventListener('waiting', this.evtWaiting.bind(this))
+    this.player.addEventListener('playing', this.evtPlaying.bind(this))
 
     var mimeTypes = [
       'audio/flac',
@@ -213,6 +215,18 @@ export default class LocalAudioPlayer extends EventEmitter {
     }
   }
 
+  evtWaiting() {
+    if (this.audioContext && this.audioContext.state === 'running') {
+      this.audioContext.suspend()
+    }
+  }
+
+  evtPlaying() {
+    if (this.audioContext && this.audioContext.state === 'suspended') {
+      this.audioContext.resume()
+    }
+  }
+
   destroy() {
     this.destroySilenceDetector()
     this.destroyHlsInstance()
@@ -421,6 +435,11 @@ export default class LocalAudioPlayer extends EventEmitter {
 
     var mappedTime = time
 
+    if (this.silenceDetectorNode) {
+      this.silenceDetectorNode.port.postMessage({ type: 'reset' })
+      this._silenceStartTime = null
+    }
+
     this.silenceMap.reset()
     this.updateSmartSpeedRegions()
     this.playWhenReady = playWhenReady

client/players/smart-speed/SilenceDetectorProcessor.js

@@ -16,6 +16,11 @@ class SilenceDetectorProcessor extends AudioWorkletProcessor {
 
     this.port.onmessage = (event) => {
       const msg = event.data
+      if (msg.type === 'reset') {
+        this.state = SPEAKING
+        this.candidateStartSample = 0
+        return
+      }
       if (msg.type === 'set-threshold') {
         this.silenceThreshold = msg.value
       }