/**
 * Copyright 2020 Google Inc. All Rights Reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */ import { encodeCmd , decodeCmd } from './Helpers' ; export class SyncFrame { constructor ( readonly cmd , readonly byteLength ) { } toDataView ( ) { const data = new ArrayBuffer ( 8 ) ; const cmd = encodeCmd ( this . cmd ) ; const view = new DataView ( data ) ; view . setUint32 ( 0 , cmd , true ) ; view . setUint32 ( 4 , this . byteLength , true ) ; return view ; } static fromDataView ( dataView ) { const cmd = decodeCmd ( dataView . getUint32 ( 0 , true ) ) ; const byteLength = dataView . getUint32 ( 4 , true ) ; return new SyncFrame ( cmd , byteLength ) ; } }