diff options
Diffstat (limited to 'songdbj/org/tritonus/share/sampled/convert/TFormatConversionProvider.java')
| -rw-r--r-- | songdbj/org/tritonus/share/sampled/convert/TFormatConversionProvider.java | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/songdbj/org/tritonus/share/sampled/convert/TFormatConversionProvider.java b/songdbj/org/tritonus/share/sampled/convert/TFormatConversionProvider.java deleted file mode 100644 index eaec65bb06..0000000000 --- a/songdbj/org/tritonus/share/sampled/convert/TFormatConversionProvider.java +++ /dev/null @@ -1,170 +0,0 @@ -/* - * TFormatConversionProvider.java - * - * This file is part of Tritonus: http://www.tritonus.org/ - */ - -/* - * Copyright (c) 1999, 2000 by Matthias Pfisterer - * - * - * 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.share.sampled.convert; - -import javax.sound.sampled.AudioSystem; -import javax.sound.sampled.AudioFormat; -import javax.sound.sampled.AudioInputStream; -import javax.sound.sampled.spi.FormatConversionProvider; - -import org.tritonus.share.TDebug; -import org.tritonus.share.sampled.AudioFormats; - - - -/** Base class for all conversion providers of Tritonus. - * - * @author Matthias Pfisterer - */ -public abstract class TFormatConversionProvider -extends FormatConversionProvider -{ - protected static final AudioFormat.Encoding[] EMPTY_ENCODING_ARRAY = new AudioFormat.Encoding[0]; - protected static final AudioFormat[] EMPTY_FORMAT_ARRAY = new AudioFormat[0]; - - - - // $$fb2000-10-04: use AudioSystem.NOT_SPECIFIED for all fields. - public AudioInputStream getAudioInputStream(AudioFormat.Encoding targetEncoding, AudioInputStream audioInputStream) - { - AudioFormat sourceFormat = audioInputStream.getFormat(); - AudioFormat targetFormat = new AudioFormat( - targetEncoding, - AudioSystem.NOT_SPECIFIED, // sample rate - AudioSystem.NOT_SPECIFIED, // sample size in bits - AudioSystem.NOT_SPECIFIED, // channels - AudioSystem.NOT_SPECIFIED, // frame size - AudioSystem.NOT_SPECIFIED, // frame rate - sourceFormat.isBigEndian()); // big endian - if (TDebug.TraceAudioConverter) - { - TDebug.out("TFormatConversionProvider.getAudioInputStream(AudioFormat.Encoding, AudioInputStream):"); - TDebug.out("trying to convert to " + targetFormat); - } - return getAudioInputStream(targetFormat, audioInputStream); - } - - - - /** - * WARNING: this method uses <code>getTargetFormats(AudioFormat.Encoding, AudioFormat)</code> - * which may create infinite loops if the latter is overwritten. - * <p> - * This method is overwritten here to make use of org.tritonus.share.sampled.AudioFormats.matches - * and is considered temporary until AudioFormat.matches is corrected in the JavaSound API. - */ - /* $$mp: if we decide to use getMatchingFormat(), this method should be - implemented by simply calling getMatchingFormat() and comparing the - result against null. - */ - public boolean isConversionSupported( - AudioFormat targetFormat, - AudioFormat sourceFormat) - { - if (TDebug.TraceAudioConverter) - { - TDebug.out(">TFormatConversionProvider.isConversionSupported(AudioFormat, AudioFormat):"); - TDebug.out("class: "+getClass().getName()); - TDebug.out("checking if conversion possible"); - TDebug.out("from: " + sourceFormat); - TDebug.out("to: " + targetFormat); - } - AudioFormat[] aTargetFormats = getTargetFormats(targetFormat.getEncoding(), sourceFormat); - for (int i = 0; i < aTargetFormats.length; i++) - { - if (TDebug.TraceAudioConverter) - { - TDebug.out("checking against possible target format: " + aTargetFormats[i]); - } - if (aTargetFormats[i] != null - && AudioFormats.matches(aTargetFormats[i], targetFormat)) - { - if (TDebug.TraceAudioConverter) - { - TDebug.out("<result=true"); - } - return true; - } - } - if (TDebug.TraceAudioConverter) { - TDebug.out("<result=false"); - } - return false; - } - - - /** - * WARNING: this method uses <code>getTargetFormats(AudioFormat.Encoding, AudioFormat)</code> - * which may create infinite loops if the latter is overwritten. - * <p> - * This method is overwritten here to make use of org.tritonus.share.sampled.AudioFormats.matches - * and is considered temporary until AudioFormat.matches is corrected in the JavaSound API. - */ - public AudioFormat getMatchingFormat( - AudioFormat targetFormat, - AudioFormat sourceFormat) - { - if (TDebug.TraceAudioConverter) - { - TDebug.out(">TFormatConversionProvider.isConversionSupported(AudioFormat, AudioFormat):"); - TDebug.out("class: "+getClass().getName()); - TDebug.out("checking if conversion possible"); - TDebug.out("from: " + sourceFormat); - TDebug.out("to: " + targetFormat); - } - AudioFormat[] aTargetFormats = getTargetFormats(targetFormat.getEncoding(), sourceFormat); - for (int i = 0; i < aTargetFormats.length; i++) - { - if (TDebug.TraceAudioConverter) - { - TDebug.out("checking against possible target format: " + aTargetFormats[i]); - } - if (aTargetFormats[i] != null - && AudioFormats.matches(aTargetFormats[i], targetFormat)) - { - if (TDebug.TraceAudioConverter) - { - TDebug.out("<result=true"); - } - return aTargetFormats[i]; - } - } - if (TDebug.TraceAudioConverter) { - TDebug.out("<result=false"); - } - return null; - } - -} - - - -/*** TFormatConversionProvider.java ***/ |