/**
 * SubtitleDecoder - Decodes subtitle packets using WASM/FFmpeg
 */
import type { SubtitleTrack, SubtitleCue } from '../types';
import { WasmBindings } from '../wasm/bindings';
export declare class SubtitleDecoder {
    private bindings;
    private isConfigured;
    private currentTrack;
    private onCue;
    private onError;
    constructor();
    setBindings(bindings: WasmBindings, autoConfigure?: boolean): void;
    /**
     * Configure the decoder for a specific track
     */
    configure(track: SubtitleTrack, extradata?: Uint8Array): Promise<boolean>;
    /**
     * Decode a subtitle packet
     */
    decode(data: Uint8Array, timestamp: number, _keyframe: boolean, duration?: number): Promise<void>;
    /**
     * Set callback for decoded subtitle cues
     */
    setOnCue(callback: (cue: SubtitleCue) => void): void;
    /**
     * Set error callback
     */
    setOnError(callback: (error: Error) => void): void;
    /**
     * Close the decoder
     */
    close(): void;
}
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