Chapter 233: Validating user videos

Core Idea

When building an app that accepts user video uploads, you might want to validate whether the browser can play the video before uploading it.

Key Concepts

• Checking video compatibility
• Validation example in TypeScript
• Handling incompatible videos
• See also

Code Examples

const canDecode = async (src: string | Blob) => {
  return true;
};
const upload = async (file: File) => {
  return 'https://example.com/video.mp4';
};

const handleUpload = async (file: File) => {
  const isCompatible = await canDecode(file);

  if (!isCompatible) {
    // Either notify user or reject the video
    alert('Video format not supported.');
    return;
  }

  try {
    const url = await upload(file);
    console.log('Video uploaded successfully:', url);
  } catch (error) {
    console.error('Failed to process video:', error);
    alert('Failed to upload video');
  }
};

• What it demonstrates: Usage pattern for Validating user videos from the official docs.

Key Takeaways

1. Understand checking video compatibility when working with Validating user videos.
2. Understand validation example in typescript when working with Validating user videos.
3. Understand handling incompatible videos when working with Validating user videos.
4. Understand see also when working with Validating user videos.

Connects To

• Animatedimage: related page in the Assets & Media section.
• Delaying: related page in the Assets & Media section.
• Exporting: related page in the Assets & Media section.