1 /* 2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.media.sound; 27 28 import javax.sound.sampled.AudioFileFormat; 29 import javax.sound.sampled.AudioFormat; 30 31 32 /** 33 * AIFF file format. 34 * 35 * @author Jan Borgersen 36 */ 37 38 final class AiffFileFormat extends AudioFileFormat { 39 40 static final int AIFF_MAGIC = 1179603533; 41 42 // for writing AIFF 43 static final int AIFC_MAGIC = 0x41494643; // 'AIFC' 44 static final int AIFF_MAGIC2 = 0x41494646; // 'AIFF' 45 static final int FVER_MAGIC = 0x46564552; // 'FVER' 46 static final int FVER_TIMESTAMP = 0xA2805140; // timestamp of last AIFF-C update 47 static final int COMM_MAGIC = 0x434f4d4d; // 'COMM' 48 static final int SSND_MAGIC = 0x53534e44; // 'SSND' 49 50 // compression codes 51 static final int AIFC_PCM = 0x4e4f4e45; // 'NONE' PCM 52 static final int AIFC_ACE2 = 0x41434532; // 'ACE2' ACE 2:1 compression 53 static final int AIFC_ACE8 = 0x41434538; // 'ACE8' ACE 8:3 compression 54 static final int AIFC_MAC3 = 0x4d414333; // 'MAC3' MACE 3:1 compression 55 static final int AIFC_MAC6 = 0x4d414336; // 'MAC6' MACE 6:1 compression 56 static final int AIFC_ULAW = 0x756c6177; // 'ulaw' ITU G.711 u-Law 57 static final int AIFC_IMA4 = 0x696d6134; // 'ima4' IMA ADPCM 58 59 // $$fb static approach not good, but needed for estimation 60 static final int AIFF_HEADERSIZE = 54; 61 62 //$$fb 2001-07-13: added management of header size in this class 63 64 /** header size in bytes */ 65 private final int headerSize=AIFF_HEADERSIZE; 66 67 /** comm chunk size in bytes, inclusive magic and length field */ 68 private final int commChunkSize=26; 69 70 /** FVER chunk size in bytes, inclusive magic and length field */ 71 private final int fverChunkSize=0; 72 73 AiffFileFormat( AudioFileFormat aff ) { 74 this( aff.getType(), aff.getByteLength(), aff.getFormat(), aff.getFrameLength() ); 75 } 76 77 AiffFileFormat(Type type, int byteLength, AudioFormat format, int frameLength) { 78 super(type, byteLength, format, frameLength); 79 } 80 81 int getHeaderSize() { 82 return headerSize; 83 } 84 85 int getCommChunkSize() { 86 return commChunkSize; 87 } 88 89 int getFverChunkSize() { 90 return fverChunkSize; 91 } 92 93 int getSsndChunkOffset() { 94 return getHeaderSize()-16; 95 } 96 97 } | 1 /* 2 * Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.media.sound; 27 28 import javax.sound.sampled.AudioFormat; 29 30 /** 31 * AIFF file format. 32 * 33 * @author Jan Borgersen 34 */ 35 final class AiffFileFormat extends StandardFileFormat { 36 37 static final int AIFF_MAGIC = 1179603533; 38 39 // for writing AIFF 40 static final int AIFC_MAGIC = 0x41494643; // 'AIFC' 41 static final int AIFF_MAGIC2 = 0x41494646; // 'AIFF' 42 static final int FVER_MAGIC = 0x46564552; // 'FVER' 43 static final int FVER_TIMESTAMP = 0xA2805140; // timestamp of last AIFF-C update 44 static final int COMM_MAGIC = 0x434f4d4d; // 'COMM' 45 static final int SSND_MAGIC = 0x53534e44; // 'SSND' 46 47 // compression codes 48 static final int AIFC_PCM = 0x4e4f4e45; // 'NONE' PCM 49 static final int AIFC_ACE2 = 0x41434532; // 'ACE2' ACE 2:1 compression 50 static final int AIFC_ACE8 = 0x41434538; // 'ACE8' ACE 8:3 compression 51 static final int AIFC_MAC3 = 0x4d414333; // 'MAC3' MACE 3:1 compression 52 static final int AIFC_MAC6 = 0x4d414336; // 'MAC6' MACE 6:1 compression 53 static final int AIFC_ULAW = 0x756c6177; // 'ulaw' ITU G.711 u-Law 54 static final int AIFC_IMA4 = 0x696d6134; // 'ima4' IMA ADPCM 55 56 // $$fb static approach not good, but needed for estimation 57 static final int AIFF_HEADERSIZE = 54; 58 59 //$$fb 2001-07-13: added management of header size in this class 60 61 /** header size in bytes */ 62 private final int headerSize=AIFF_HEADERSIZE; 63 64 /** comm chunk size in bytes, inclusive magic and length field */ 65 private final int commChunkSize=26; 66 67 /** FVER chunk size in bytes, inclusive magic and length field */ 68 private final int fverChunkSize=0; 69 70 AiffFileFormat(final Type type, final long byteLength, 71 final AudioFormat format, final long frameLength) { 72 super(type, byteLength, format, frameLength); 73 } 74 75 int getHeaderSize() { 76 return headerSize; 77 } 78 79 int getCommChunkSize() { 80 return commChunkSize; 81 } 82 83 int getFverChunkSize() { 84 return fverChunkSize; 85 } 86 87 int getSsndChunkOffset() { 88 return getHeaderSize()-16; 89 } 90 91 } |