Method initializeAudioMixer

app/src/utils/streamManager.ts:567–582

()

  }

  private async initializeAudioMixer(): Promise<void> {
    if (this.audioContext || !this.screenAudioStream || !this.microphoneStream) return;
    Logger.info("StreamManager", "Initializing audio mixer for 'allAudio'.");
    this.audioContext = new AudioContext();
    const destination = this.audioContext.createMediaStreamDestination();
    const screenSource = this.audioContext.createMediaStreamSource(this.screenAudioStream);
    screenSource.connect(destination);
    this.sourceNodes.set('screen', screenSource);
    const micSource = this.audioContext.createMediaStreamSource(this.microphoneStream);
    micSource.connect(destination);
    this.sourceNodes.set('microphone', micSource);
    this.allAudioStream = destination.stream;
    // This now correctly starts transcription only when the mixer is initialized
    await this.startTranscriptionForStream('allAudio', this.allAudioStream);
    this.notifyListeners();
  }
  
  private checkForTeardown(): void {
    const isUsed = (type: PseudoStreamType) => (this.userSets.get(type)?.size || 0) > 0;