Function initializeVideoRecorder

src/platforms/wasm/compiler/index.ts:1132–1205

* Initializes the video recorder with canvas and audio context

()

 * Initializes the video recorder with canvas and audio context
 */
function initializeVideoRecorder() {
  // Wait for DOM to be ready
  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', initializeVideoRecorder);
    return;
  }

  const recordButton = document.getElementById('record-btn');

  if (!recordButton) {
    console.warn('Record button not found, video recording disabled');
    return;
  }

  // Check if worker mode is active - if so, use worker-based recording
  if (window.fastLEDWorkerManager && window.fastLEDWorkerManager.isWorkerActive) {
    console.log('Worker mode active - using worker-based video recording');
    initializeWorkerVideoRecorder(recordButton);
    return;
  }

  // For non-worker mode, wait for canvas to be ready
  const canvas = document.getElementById('myCanvas');
  if (!canvas) {
    console.warn('Canvas not found, video recording disabled');
    return;
  }

  // Wait for canvas to be properly initialized with graphics manager
  let retryCount = 0;
  const maxRetries = 30; // Max 6 seconds of retrying
  let initialized = false; // Track if initialization succeeded

  const tryInitialize = () => {
    // Stop retrying if already initialized
    if (initialized) {
      return;
    }

    try {
      // Check if worker mode became active during retry period
      if (window.fastLEDWorkerManager && window.fastLEDWorkerManager.isWorkerActive) {
        console.log('Worker mode became active - switching to worker-based recording');
        initializeWorkerVideoRecorder(recordButton);
        initialized = true; // Mark as successfully initialized
        return;
      }

      // Check if graphics manager has been initialized (this is the real dependency)
      if (typeof window.graphicsManager === 'undefined' && typeof graphicsManager === 'undefined') {
        throw new Error('Graphics manager not initialized yet');
      }

      // Validate canvas element exists (without creating conflicting context)
      if (!canvas || !canvas.getContext) {
        throw new Error('Canvas not ready yet');
      }