chore: import upstream snapshot with attribution

2026-07-13 12:44:08 +08:00
commit 983960e2dd
1244 changed files with 281996 additions and 0 deletions
@@ -0,0 +1,63 @@
+import on from '../sounds/on.mp3'
+import off from '../sounds/off.mp3'
+
+export default class Recorder {
+  constructor(stream, el, info) {
+    this.recorder = new MediaRecorder(stream, { audioBitsPerSecond: 16000 })
+    this.el = el
+    this.audioOn = new Audio(on)
+    this.audioOff = new Audio(off)
+    this.playSound = true
+    this.info = info
+    this.enabled = false
+    this.hotwordTriggered = false
+    this.noiseDetected = false
+    this.countSilenceAfterTalk = 0
+  }
+
+  start(playSound = true) {
+    if (this.info.asr.enabled === false) {
+      console.warn('ASR disabled')
+    } else {
+      this.playSound = playSound
+      this.recorder.start(playSound)
+    }
+  }
+
+  stop(playSound = true) {
+    if (this.info.asr.enabled === false) {
+      console.warn('ASR disabled')
+    } else {
+      this.playSound = playSound
+      this.recorder.stop(playSound)
+    }
+  }
+
+  onstart(cb) {
+    this.recorder.onstart = (e) => {
+      if (this.playSound) {
+        this.audioOn.play()
+      }
+      this.el.classList.add('enabled')
+
+      cb(e)
+    }
+  }
+
+  onstop(cb) {
+    this.recorder.onstop = (e) => {
+      if (this.playSound) {
+        this.audioOff.play()
+      }
+      this.el.classList.remove('enabled')
+
+      cb(e)
+    }
+  }
+
+  ondataavailable(cb) {
+    this.recorder.ondataavailable = (e) => {
+      cb(e)
+    }
+  }
+}