Songdb java version, source. only 1.5 compatible

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7101 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 82 insertions, 0 deletions

diff --git a/songdbj/org/tritonus/file/AiffTool.java b/songdbj/org/tritonus/file/AiffTool.java
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+++ b/songdbj/org/tritonus/file/AiffTool.java
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+/*
+ *      AiffTool.java
+ *
+ *      This file is part of Tritonus: http://www.tritonus.org/
+ */
+
+/*
+ *  Copyright (c) 2000 by Florian Bomers <http://www.bomers.de>
+ *
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library General Public License as published
+ *   by the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU Library General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Library General Public
+ *   License along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/*
+|<---            this code is formatted to fit into 80 columns             --->|
+*/
+
+package org.tritonus.sampled.file;
+
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioFileFormat;
+import javax.sound.sampled.AudioSystem;
+
+
+/**
+ * Common constants and methods for handling aiff and aiff-c files.
+ *
+ * @author Florian Bomers
+ */
+
+public class AiffTool {
+
+        public static final int AIFF_FORM_MAGIC = 0x464F524D;
+        public static final int AIFF_AIFF_MAGIC = 0x41494646;
+        public static final int AIFF_AIFC_MAGIC = 0x41494643;
+        public static final int AIFF_COMM_MAGIC = 0x434F4D4D;
+        public static final int AIFF_SSND_MAGIC = 0x53534E44;
+        public static final int AIFF_FVER_MAGIC = 0x46564552;
+        public static final int AIFF_COMM_UNSPECIFIED = 0x00000000; // "0000"
+        public static final int AIFF_COMM_PCM   = 0x4E4F4E45;       // "NONE"
+        public static final int AIFF_COMM_ULAW  = 0x756C6177;       // "ulaw"
+        public static final int AIFF_COMM_IMA_ADPCM = 0x696D6134;   // "ima4"
+        public static final int AIFF_FVER_TIME_STAMP = 0xA2805140;  // May 23, 1990, 2:40pm
+
+        public static int getFormatCode(AudioFormat format) {
+                AudioFormat.Encoding encoding = format.getEncoding();
+                int nSampleSize = format.getSampleSizeInBits();
+                boolean bigEndian = format.isBigEndian();
+                // $$fb 2000-08-16: check the frame size, too.
+                boolean frameSizeOK=format.getFrameSize()==AudioSystem.NOT_SPECIFIED
+                                    || format.getChannels()!=AudioSystem.NOT_SPECIFIED
+                                    || format.getFrameSize()==nSampleSize/8*format.getChannels();
+
+                if ((encoding.equals(AudioFormat.Encoding.PCM_SIGNED))
+                        && ((bigEndian && nSampleSize>=16 && nSampleSize<=32) || (nSampleSize==8))
+                        && frameSizeOK) {
+                        return AIFF_COMM_PCM;
+                } else if (encoding.equals(AudioFormat.Encoding.ULAW) && nSampleSize == 8 && frameSizeOK) {
+                        return AIFF_COMM_ULAW;
+                } else if (encoding.equals(new AudioFormat.Encoding("IMA_ADPCM")) && nSampleSize == 4) {
+                        return AIFF_COMM_IMA_ADPCM;
+                } else {
+                        return AIFF_COMM_UNSPECIFIED;
+                }
+        }
+
+}
+
+/*** AiffTool.java ***/