/**
 * AVRenderer -- deterministic offline A/V renderer.
 *
 * Steps through audio samples and visual frames in lockstep.
 * Each video frame knows its exact audio position. No wall-clock
 * dependency -- fully deterministic.
 *
 * @module
 */
import type { CompositeState } from './compositor.js';
import type { Compositor } from './compositor.js';
import { AVBridge } from './av-bridge.js';
import type { Millis } from './brands.js';
interface AVRenderConfig {
    readonly sampleRate: number;
    readonly fps: number;
    readonly durationMs: Millis;
}
interface AVFrameOutput {
    readonly frame: number;
    readonly timestamp: number;
    readonly sample: number;
    readonly sampleCount: number;
    readonly state: CompositeState;
}
interface AVRendererShape {
    readonly config: AVRenderConfig;
    readonly bridge: AVBridge.Shape;
    readonly totalFrames: number;
    frames(options?: {
        onAudioFrame?: (sample: number, sampleCount: number) => void;
        onVideoFrame?: (frame: number, timestamp: number, state: CompositeState) => void;
    }): AsyncGenerator<AVFrameOutput>;
}
declare function _make(config: AVRenderConfig, compositor: Compositor.Shape, existingBridge?: AVBridge.Shape): AVRendererShape;
/**
 * AVRenderer — deterministic offline audio+video renderer.
 *
 * Steps an {@link AVBridge} in lockstep with a {@link Compositor} so every
 * video frame carries the exact sample offset it corresponds to. Pure clock
 * math — no wall-clock input, reproducible across runs.
 */
export declare const AVRenderer: {
    /** Create a renderer bound to a compositor, optionally reusing an existing {@link AVBridge}. */
    make: typeof _make;
};
export declare namespace AVRenderer {
    /** Structural shape of a renderer instance returned by {@link AVRenderer.make}. */
    type Shape = AVRendererShape;
    /** Configuration accepted by {@link AVRenderer.make}. */
    type Config = AVRenderConfig;
    /** Per-frame output yielded by the async iterator. */
    type FrameOutput = AVFrameOutput;
}
export {};
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