/**
 * Video generation is a separate contract from image generation on purpose.
 * Duration, playback resolution and a single mp4 result do not map onto the
 * 1K/2K/4K, background and `images[]` shape in types.ts, and bending one type
 * to cover both would leave every field half-meaningful for one of them.
 */
export type VideoResolution = "360p" | "720p" | "1080p" | "4k";
export type VideoAspectRatio = "16:9" | "9:16";
export interface VideoGenerateParams {
    prompt: string;
    modelId: string;
    /** Clip length. Providers cap this; see `VideoProviderRegistration`. */
    durationSeconds: number;
    resolution: VideoResolution;
    aspectRatio: VideoAspectRatio;
    /** Reference frames or subjects, in prompt order. */
    inputImages?: Buffer[];
    inputImageMimeTypes?: string[];
    /**
     * Id of an earlier generation to continue from. Providers that support it
     * append to that clip instead of starting a new one.
     */
    previousInteractionId?: string;
}
export interface VideoGenerateResult {
    video: Buffer;
    mimeType: string;
    /** Text the model returned alongside the clip, when any. */
    description?: string;
    /** Handle for extending this clip later, when the provider issues one. */
    interactionId?: string;
}
export type VideoProviderFn = (params: VideoGenerateParams) => Promise<VideoGenerateResult>;
export interface VideoProviderRegistration {
    models: Record<string, string>;
    generate: VideoProviderFn;
    /** Shortest and longest clip the provider will produce, in seconds. */
    minDurationSeconds: number;
    maxDurationSeconds: number;
    /** See `ProviderRegistration.maxInputImages`. */
    maxInputImages?: number;
}
//# sourceMappingURL=video-types.d.ts.map