import { VideoFrame } from '../../Private/AgoraMediaBase';
import { CodecConfigInfo, RendererContext } from '../../Types';
import { IRenderer } from '../IRenderer';
export declare class WebCodecsRenderer extends IRenderer {
    gl?: WebGLRenderingContext | WebGL2RenderingContext | null;
    offscreenCanvas: OffscreenCanvas | undefined;
    constructor();
    static vertexShaderSource: string;
    static fragmentShaderSource: string;
    bind(context: RendererContext): void;
    drawFrame(uid: number, frame: any, _codecConfig: CodecConfigInfo): void;
    protected rotateCanvas({ rotation }: VideoFrame): void;
}
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