addPCM16()

in src/frontends/live_api_react/frontend/src/utils/audio-streamer.ts [77:112]

• 32 lines of code
• 5 McCabe index (conditional complexity)

  addPCM16(chunk: Uint8Array) {
    const float32Array = new Float32Array(chunk.length / 2);
    const dataView = new DataView(chunk.buffer);

    for (let i = 0; i < chunk.length / 2; i++) {
      try {
        const int16 = dataView.getInt16(i * 2, true);
        float32Array[i] = int16 / 32768;
      } catch (e) {
        console.error(e);
        // console.log(
        //   `dataView.length: ${dataView.byteLength},  i * 2: ${i * 2}`,
        // );
      }
    }

    const newBuffer = new Float32Array(
      this.processingBuffer.length + float32Array.length,
    );
    newBuffer.set(this.processingBuffer);
    newBuffer.set(float32Array, this.processingBuffer.length);
    this.processingBuffer = newBuffer;

    while (this.processingBuffer.length >= this.bufferSize) {
      const buffer = this.processingBuffer.slice(0, this.bufferSize);
      this.audioQueue.push(buffer);
      this.processingBuffer = this.processingBuffer.slice(this.bufferSize);
    }

    if (!this.isPlaying) {
      this.isPlaying = true;
      // Initialize scheduledTime only when we start playing
      this.scheduledTime = this.context.currentTime + this.initialBufferTime;
      this.scheduleNextBuffer();
    }
  }