1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.dialer.callcomposer.camera.exif;
18
19class JpegHeader {
20  static final short SOI = (short) 0xFFD8;
21  static final short APP1 = (short) 0xFFE1;
22  static final short EOI = (short) 0xFFD9;
23
24  /**
25   * SOF (start of frame). All value between SOF0 and SOF15 is SOF marker except for DHT, JPG, and
26   * DAC marker.
27   */
28  private static final short SOF0 = (short) 0xFFC0;
29
30  private static final short SOF15 = (short) 0xFFCF;
31  private static final short DHT = (short) 0xFFC4;
32  private static final short JPG = (short) 0xFFC8;
33  private static final short DAC = (short) 0xFFCC;
34
35  static boolean isSofMarker(short marker) {
36    return marker >= SOF0 && marker <= SOF15 && marker != DHT && marker != JPG && marker != DAC;
37  }
38}
39