diff options
Diffstat (limited to 'songdbj/entagged/audioformats/asf/io/EncodingChunkReader.java')
| -rw-r--r-- | songdbj/entagged/audioformats/asf/io/EncodingChunkReader.java | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/songdbj/entagged/audioformats/asf/io/EncodingChunkReader.java b/songdbj/entagged/audioformats/asf/io/EncodingChunkReader.java deleted file mode 100644 index 41ee9a49db..0000000000 --- a/songdbj/entagged/audioformats/asf/io/EncodingChunkReader.java +++ /dev/null @@ -1,118 +0,0 @@ -/* - * ******************************************************************** ** - * Copyright notice ** - * ** ** - * (c) 2003 Entagged Developpement Team ** - * http://www.sourceforge.net/projects/entagged ** - * ** ** - * All rights reserved ** - * ** ** - * This script is part of the Entagged project. The Entagged ** - * project is free software; you can redistribute it and/or modify ** - * it under the terms of the GNU General Public License as published by ** - * the Free Software Foundation; either version 2 of the License, or ** - * (at your option) any later version. ** - * ** ** - * The GNU General Public License can be found at ** - * http://www.gnu.org/copyleft/gpl.html. ** - * ** ** - * This copyright notice MUST APPEAR in all copies of the file! ** - * ******************************************************************** - */ -package entagged.audioformats.asf.io; - -import java.io.IOException; -import java.io.RandomAccessFile; -import java.math.BigInteger; - -import entagged.audioformats.asf.data.Chunk; -import entagged.audioformats.asf.data.EncodingChunk; -import entagged.audioformats.asf.data.GUID; -import entagged.audioformats.asf.util.Utils; - -/** - * This class reads the chunk containing encoding data <br> - * <b>Warning:<b><br> - * Implementation is not completed. More analysis of this chunk is needed. - * - * @author Christian Laireiter - */ -public class EncodingChunkReader { - - /** - * This reads the current data and interprets it as an encoding chunk. <br> - * <b>Warning:<b><br> - * Implementation is not completed. More analysis of this chunk is needed. - * - * @param raf - * Input source - * @param candidate - * Chunk which possibly contains encoding data. - * @return Encoding info. <code>null</code> if its not a valid encoding - * chunk. <br> - * @throws IOException - * read errors. - */ - public static EncodingChunk read(RandomAccessFile raf, Chunk candidate) - throws IOException { - if (raf == null || candidate == null) { - throw new IllegalArgumentException("Arguments must not be null."); - } - if (GUID.GUID_ENCODING.equals(candidate.getGuid())) { - raf.seek(candidate.getPosition()); - return new EncodingChunkReader().parseData(raf); - } - return null; - } - - /** - * Should not be used for now. - * - */ - protected EncodingChunkReader() { - // NOTHING toDo - } - - /** - * see {@link #read(RandomAccessFile, Chunk)} - * - * @param raf - * input source. - * @return Enconding info. <code>null</code> if its not a valid encoding - * chunk. <br> - * @throws IOException - * read errors. - */ - private EncodingChunk parseData(RandomAccessFile raf) throws IOException { - EncodingChunk result = null; - long chunkStart = raf.getFilePointer(); - GUID guid = Utils.readGUID(raf); - if (GUID.GUID_ENCODING.equals(guid)) { - BigInteger chunkLen = Utils.readBig64(raf); - result = new EncodingChunk(chunkStart, chunkLen); - - // Can't be interpreted - /* - * What do I think of this data, well it seems to be another GUID. - * Then followed by a UINT16 indicating a length of data following - * (by half). My test files just had the length of one and a two - * bytes zero. - */ - raf.skipBytes(20); - - /* - * Read the number of strings which will follow - */ - int stringCount = Utils.readUINT16(raf); - - /* - * Now reading the specified amount of strings. - */ - for (int i = 0; i < stringCount; i++) { - result.addString(Utils.readCharacterSizedString(raf)); - } - } - return result; - } - -}
\ No newline at end of file |