Function generateVideo

Generates a video using a provider-agnostic interface.

Resolves provider credentials via explicit options or environment variable auto-detection, initialises the matching video provider (optionally wrapped in a fallback chain), and returns a normalised GenerateVideoResult.

When opts.image is provided, the request is routed to IVideoGenerator.imageToVideo for image-to-video generation. Otherwise, IVideoGenerator.generateVideo is used for text-to-video.

Example

// Text-to-video
const result = await generateVideo({
  prompt: 'A drone flying over a misty forest at sunrise',
  provider: 'runway',
  durationSec: 5,
});
console.log(result.videos[0].url);

// Image-to-video
const i2v = await generateVideo({
  prompt: 'Camera slowly zooms out',
  image: fs.readFileSync('input.png'),
});
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