Function parse

Returns {
    playlists: {
        attributes: {
            BANDWIDTH: number;
            RESOLUTION: { height: number; width: number };
        };
        uri: string;
    }[];
    segments: {
        duration: number;
        key: { iv?: Uint32Array<ArrayBufferLike>; method: "AES-128"; uri: string };
        timeline: 0;
        uri: string;
    }[];
}