diff -r 836adbf7a2cd -r 3317bb8137f4 jdk/src/java.desktop/share/classes/com/sun/media/sound/AuFileWriter.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/src/java.desktop/share/classes/com/sun/media/sound/AuFileWriter.java Sun Aug 17 15:54:13 2014 +0100 @@ -0,0 +1,330 @@ +/* + * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code 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 General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package com.sun.media.sound; + +import java.io.File; +import java.io.InputStream; +import java.io.OutputStream; +import java.io.IOException; + +import java.io.BufferedOutputStream; +import java.io.DataOutputStream; +import java.io.FileOutputStream; +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.RandomAccessFile; +import java.io.SequenceInputStream; + +import javax.sound.sampled.AudioFileFormat; +import javax.sound.sampled.AudioInputStream; +import javax.sound.sampled.AudioFormat; +import javax.sound.sampled.AudioSystem; + + +/** + * AU file writer. + * + * @author Jan Borgersen + */ +public final class AuFileWriter extends SunFileWriter { + + //$$fb value for length field if length is not known + public final static int UNKNOWN_SIZE=-1; + + /** + * Constructs a new AuFileWriter object. + */ + public AuFileWriter() { + super(new AudioFileFormat.Type[]{AudioFileFormat.Type.AU}); + } + + public AudioFileFormat.Type[] getAudioFileTypes(AudioInputStream stream) { + + AudioFileFormat.Type[] filetypes = new AudioFileFormat.Type[types.length]; + System.arraycopy(types, 0, filetypes, 0, types.length); + + // make sure we can write this stream + AudioFormat format = stream.getFormat(); + AudioFormat.Encoding encoding = format.getEncoding(); + + if( (AudioFormat.Encoding.ALAW.equals(encoding)) || + (AudioFormat.Encoding.ULAW.equals(encoding)) || + (AudioFormat.Encoding.PCM_SIGNED.equals(encoding)) || + (AudioFormat.Encoding.PCM_UNSIGNED.equals(encoding)) ) { + + return filetypes; + } + + return new AudioFileFormat.Type[0]; + } + + + public int write(AudioInputStream stream, AudioFileFormat.Type fileType, OutputStream out) throws IOException { + + // we must know the total data length to calculate the file length + //$$fb 2001-07-13: fix for bug 4351296: do not throw an exception + //if( stream.getFrameLength() == AudioSystem.NOT_SPECIFIED ) { + // throw new IOException("stream length not specified"); + //} + + // throws IllegalArgumentException if not supported + AuFileFormat auFileFormat = (AuFileFormat)getAudioFileFormat(fileType, stream); + + int bytesWritten = writeAuFile(stream, auFileFormat, out); + return bytesWritten; + } + + + + public int write(AudioInputStream stream, AudioFileFormat.Type fileType, File out) throws IOException { + + // throws IllegalArgumentException if not supported + AuFileFormat auFileFormat = (AuFileFormat)getAudioFileFormat(fileType, stream); + + // first write the file without worrying about length fields + FileOutputStream fos = new FileOutputStream( out ); // throws IOException + BufferedOutputStream bos = new BufferedOutputStream( fos, bisBufferSize ); + int bytesWritten = writeAuFile(stream, auFileFormat, bos ); + bos.close(); + + // now, if length fields were not specified, calculate them, + // open as a random access file, write the appropriate fields, + // close again.... + if( auFileFormat.getByteLength()== AudioSystem.NOT_SPECIFIED ) { + + // $$kk: 10.22.99: jan: please either implement this or throw an exception! + // $$fb: 2001-07-13: done. Fixes Bug 4479981 + RandomAccessFile raf=new RandomAccessFile(out, "rw"); + if (raf.length()<=0x7FFFFFFFl) { + // skip AU magic and data offset field + raf.skipBytes(8); + raf.writeInt(bytesWritten-AuFileFormat.AU_HEADERSIZE); + // that's all + } + raf.close(); + } + + return bytesWritten; + } + + + // ------------------------------------------------------------- + + /** + * Returns the AudioFileFormat describing the file that will be written from this AudioInputStream. + * Throws IllegalArgumentException if not supported. + */ + private AudioFileFormat getAudioFileFormat(AudioFileFormat.Type type, AudioInputStream stream) { + + AudioFormat format = null; + AuFileFormat fileFormat = null; + AudioFormat.Encoding encoding = AudioFormat.Encoding.PCM_SIGNED; + + AudioFormat streamFormat = stream.getFormat(); + AudioFormat.Encoding streamEncoding = streamFormat.getEncoding(); + + + float sampleRate; + int sampleSizeInBits; + int channels; + int frameSize; + float frameRate; + int fileSize; + + if( !types[0].equals(type) ) { + throw new IllegalArgumentException("File type " + type + " not supported."); + } + + if( (AudioFormat.Encoding.ALAW.equals(streamEncoding)) || + (AudioFormat.Encoding.ULAW.equals(streamEncoding)) ) { + + encoding = streamEncoding; + sampleSizeInBits = streamFormat.getSampleSizeInBits(); + + } else if ( streamFormat.getSampleSizeInBits()==8 ) { + + encoding = AudioFormat.Encoding.PCM_SIGNED; + sampleSizeInBits=8; + + } else { + + encoding = AudioFormat.Encoding.PCM_SIGNED; + sampleSizeInBits=streamFormat.getSampleSizeInBits(); + } + + + format = new AudioFormat( encoding, + streamFormat.getSampleRate(), + sampleSizeInBits, + streamFormat.getChannels(), + streamFormat.getFrameSize(), + streamFormat.getFrameRate(), + true); // AU is always big endian + + + if( stream.getFrameLength()!=AudioSystem.NOT_SPECIFIED ) { + fileSize = (int)stream.getFrameLength()*streamFormat.getFrameSize() + AuFileFormat.AU_HEADERSIZE; + } else { + fileSize = AudioSystem.NOT_SPECIFIED; + } + + fileFormat = new AuFileFormat( AudioFileFormat.Type.AU, + fileSize, + format, + (int)stream.getFrameLength() ); + + return fileFormat; + } + + + private InputStream getFileStream(AuFileFormat auFileFormat, InputStream audioStream) throws IOException { + + // private method ... assumes auFileFormat is a supported file type + + AudioFormat format = auFileFormat.getFormat(); + + int magic = AuFileFormat.AU_SUN_MAGIC; + int headerSize = AuFileFormat.AU_HEADERSIZE; + long dataSize = auFileFormat.getFrameLength(); + //$$fb fix for Bug 4351296 + //int dataSizeInBytes = dataSize * format.getFrameSize(); + long dataSizeInBytes = (dataSize==AudioSystem.NOT_SPECIFIED)?UNKNOWN_SIZE:dataSize * format.getFrameSize(); + if (dataSizeInBytes>0x7FFFFFFFl) { + dataSizeInBytes=UNKNOWN_SIZE; + } + int encoding_local = auFileFormat.getAuType(); + int sampleRate = (int)format.getSampleRate(); + int channels = format.getChannels(); + //$$fb below is the fix for 4297100. + //boolean bigendian = format.isBigEndian(); + boolean bigendian = true; // force bigendian + + byte header[] = null; + ByteArrayInputStream headerStream = null; + ByteArrayOutputStream baos = null; + DataOutputStream dos = null; + SequenceInputStream auStream = null; + + AudioFormat audioStreamFormat = null; + AudioFormat.Encoding encoding = null; + InputStream codedAudioStream = audioStream; + + // if we need to do any format conversion, do it here. + + codedAudioStream = audioStream; + + if( audioStream instanceof AudioInputStream ) { + + + audioStreamFormat = ((AudioInputStream)audioStream).getFormat(); + encoding = audioStreamFormat.getEncoding(); + + //$$ fb 2001-07-13: Bug 4391108 + if( (AudioFormat.Encoding.PCM_UNSIGNED.equals(encoding)) || + (AudioFormat.Encoding.PCM_SIGNED.equals(encoding) + && bigendian != audioStreamFormat.isBigEndian()) ) { + + // plug in the transcoder to convert to PCM_SIGNED, bigendian + // NOTE: little endian AU is not common, so we're always converting + // to big endian unless the passed in audioFileFormat is little. + // $$fb this NOTE is superseded. We always write big endian au files, this is by far the standard. + codedAudioStream = AudioSystem.getAudioInputStream( new AudioFormat ( + AudioFormat.Encoding.PCM_SIGNED, + audioStreamFormat.getSampleRate(), + audioStreamFormat.getSampleSizeInBits(), + audioStreamFormat.getChannels(), + audioStreamFormat.getFrameSize(), + audioStreamFormat.getFrameRate(), + bigendian), + (AudioInputStream)audioStream ); + + + } + } + + baos = new ByteArrayOutputStream(); + dos = new DataOutputStream(baos); + + + if (bigendian) { + dos.writeInt(AuFileFormat.AU_SUN_MAGIC); + dos.writeInt(headerSize); + dos.writeInt((int)dataSizeInBytes); + dos.writeInt(encoding_local); + dos.writeInt(sampleRate); + dos.writeInt(channels); + } else { + dos.writeInt(AuFileFormat.AU_SUN_INV_MAGIC); + dos.writeInt(big2little(headerSize)); + dos.writeInt(big2little((int)dataSizeInBytes)); + dos.writeInt(big2little(encoding_local)); + dos.writeInt(big2little(sampleRate)); + dos.writeInt(big2little(channels)); + } + + // Now create a new InputStream from headerStream and the InputStream + // in audioStream + + dos.close(); + header = baos.toByteArray(); + headerStream = new ByteArrayInputStream( header ); + auStream = new SequenceInputStream(headerStream, + new NoCloseInputStream(codedAudioStream)); + + return auStream; + } + + private int writeAuFile(InputStream in, AuFileFormat auFileFormat, OutputStream out) throws IOException { + + int bytesRead = 0; + int bytesWritten = 0; + InputStream fileStream = getFileStream(auFileFormat, in); + byte buffer[] = new byte[bisBufferSize]; + int maxLength = auFileFormat.getByteLength(); + + while( (bytesRead = fileStream.read( buffer )) >= 0 ) { + if (maxLength>0) { + if( bytesRead < maxLength ) { + out.write( buffer, 0, bytesRead ); + bytesWritten += bytesRead; + maxLength -= bytesRead; + } else { + out.write( buffer, 0, maxLength ); + bytesWritten += maxLength; + maxLength = 0; + break; + } + } else { + out.write( buffer, 0, bytesRead ); + bytesWritten += bytesRead; + } + } + + return bytesWritten; + } + + +}