import type { HEVCFrame, HEVCStreamInfo, DecodeResult, DecoderOptions } from "./types.js";
/**
 * HEVC/H.265 Decoder — JavaScript wrapper for the WASM module.
 *
 * @example
 * ```ts
 * const decoder = await HEVCDecoder.create();
 * const { frames, info } = decoder.decode(bitstreamBytes);
 * console.log(`${info.width}x${info.height}, ${frames.length} frames`);
 * decoder.destroy();
 * ```
 */
export declare class HEVCDecoder {
    private _m;
    private _api;
    private _dec;
    private constructor();
    /**
     * Create a new decoder instance. Loads the WASM module.
     */
    static create(options?: DecoderOptions): Promise<HEVCDecoder>;
    /**
     * Decode a complete HEVC bitstream.
     * @param data Raw .265 bitstream bytes
     */
    decode(data: Uint8Array): DecodeResult;
    /** Number of decoded frames available */
    get frameCount(): number;
    /** Get stream info (available after decode) */
    get info(): HEVCStreamInfo | null;
    private _extractFrame;
    private _extractDrainedFrame;
    private _readFrameFromPtr;
    private _extractInfo;
    /**
     * Feed a chunk of data containing one or more complete NAL units.
     * The decoder accumulates parameter sets and decodes pictures incrementally.
     * Call drain() after each feed() to retrieve output-ready frames.
     */
    feed(data: Uint8Array): void;
    /**
     * Drain output-ready frames from the decoder (§C.5.2 bumping process).
     * Returns frames in display order, only when ready per DPB constraints.
     * Frames are valid until the next feed() or destroy() call.
     */
    drain(): HEVCFrame[];
    /**
     * Flush all remaining frames from the DPB (call at end of stream).
     * Returns all buffered frames in display order.
     */
    flush(): HEVCFrame[];
    /** Release decoder resources */
    destroy(): void;
}
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