Function updateStopVisual

static/js/player.js:959–966

()

  // the ruler also update the visual without extra plumbing.
  const STOP_TOLERANCE_SEC = 0.15;
  const updateStopVisual = () => {
    const src = audioEngine ?? mt;
    const t = src.getCurrentTime?.() ?? 0;
    const startPos = loopEnabled ? loopStart : 0;
    const atStart = Math.abs(t - startPos) < STOP_TOLERANCE_SEC;
    const stopped = !src.isPlaying() && atStart;
    stopBtn.classList.toggle("stopped", stopped);
  };

  mt.once("canplay", () => {
    setWaveformLoading(false);