1e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka/* 2e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * Copyright (C) 2012 The Android Open Source Project 3e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * 4e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * Licensed under the Apache License, Version 2.0 (the "License"); 5e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * you may not use this file except in compliance with the License. 6e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * You may obtain a copy of the License at 7e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * 8e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * http://www.apache.org/licenses/LICENSE-2.0 9e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * 10e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * Unless required by applicable law or agreed to in writing, software 11e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * distributed under the License is distributed on an "AS IS" BASIS, 12e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * See the License for the specific language governing permissions and 14e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * limitations under the License. 15e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka */ 16e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 17e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkapackage com.android.gallery3d.exif; 18e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 19e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaclass JpegHeader { 20e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public static final short SOI = (short) 0xFFD8; 21e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public static final short APP1 = (short) 0xFFE1; 22e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public static final short APP0 = (short) 0xFFE0; 23e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public static final short EOI = (short) 0xFFD9; 24e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 25e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka /** 26e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * SOF (start of frame). All value between SOF0 and SOF15 is SOF marker except for DHT, JPG, 27e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * and DAC marker. 28e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka */ 29e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public static final short SOF0 = (short) 0xFFC0; 30e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public static final short SOF15 = (short) 0xFFCF; 31e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public static final short DHT = (short) 0xFFC4; 32e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public static final short JPG = (short) 0xFFC8; 33e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public static final short DAC = (short) 0xFFCC; 34e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 35e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public static final boolean isSofMarker(short marker) { 36e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return marker >= SOF0 && marker <= SOF15 && marker != DHT && marker != JPG 37e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka && marker != DAC; 38e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 39e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka} 40