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src/java.desktop/share/classes/com/sun/media/sound/AudioFloatFormatConverter.java

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   1 /*
   2  * Copyright (c) 2008, 2015, 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


 545                 .getChannels())
 546             sourceStream = new AudioFloatInputStreamChannelMixer(sourceStream,
 547                     targetFormat.getChannels());
 548         if (Math.abs(targetFormat.getSampleRate()
 549                 - sourceStream.getFormat().getSampleRate()) > 0.000001)
 550             sourceStream = new AudioFloatInputStreamResampler(sourceStream,
 551                     targetFormat);
 552         return new AudioInputStream(new AudioFloatFormatConverterInputStream(
 553                 targetFormat, sourceStream), targetFormat, sourceStream
 554                 .getFrameLength());
 555     }
 556 
 557     @Override
 558     public Encoding[] getSourceEncodings() {
 559         return new Encoding[] { Encoding.PCM_SIGNED, Encoding.PCM_UNSIGNED,
 560                 Encoding.PCM_FLOAT };
 561     }
 562 
 563     @Override
 564     public Encoding[] getTargetEncodings() {
 565         return new Encoding[] { Encoding.PCM_SIGNED, Encoding.PCM_UNSIGNED,
 566                 Encoding.PCM_FLOAT };
 567     }
 568 
 569     @Override
 570     public Encoding[] getTargetEncodings(AudioFormat sourceFormat) {
 571         if (AudioFloatConverter.getConverter(sourceFormat) == null)
 572             return new Encoding[0];
 573         return new Encoding[] { Encoding.PCM_SIGNED, Encoding.PCM_UNSIGNED,
 574                 Encoding.PCM_FLOAT };
 575     }
 576 
 577     @Override
 578     public AudioFormat[] getTargetFormats(Encoding targetEncoding,
 579                                           AudioFormat sourceFormat) {
 580         Objects.requireNonNull(targetEncoding);
 581         if (AudioFloatConverter.getConverter(sourceFormat) == null)
 582             return new AudioFormat[0];
 583         int channels = sourceFormat.getChannels();
 584 
 585         ArrayList<AudioFormat> formats = new ArrayList<>();
 586 


   1 /*
   2  * Copyright (c) 2008, 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


 545                 .getChannels())
 546             sourceStream = new AudioFloatInputStreamChannelMixer(sourceStream,
 547                     targetFormat.getChannels());
 548         if (Math.abs(targetFormat.getSampleRate()
 549                 - sourceStream.getFormat().getSampleRate()) > 0.000001)
 550             sourceStream = new AudioFloatInputStreamResampler(sourceStream,
 551                     targetFormat);
 552         return new AudioInputStream(new AudioFloatFormatConverterInputStream(
 553                 targetFormat, sourceStream), targetFormat, sourceStream
 554                 .getFrameLength());
 555     }
 556 
 557     @Override
 558     public Encoding[] getSourceEncodings() {
 559         return new Encoding[] { Encoding.PCM_SIGNED, Encoding.PCM_UNSIGNED,
 560                 Encoding.PCM_FLOAT };
 561     }
 562 
 563     @Override
 564     public Encoding[] getTargetEncodings() {
 565         return getSourceEncodings();

 566     }
 567 
 568     @Override
 569     public Encoding[] getTargetEncodings(AudioFormat sourceFormat) {
 570         if (AudioFloatConverter.getConverter(sourceFormat) == null)
 571             return new Encoding[0];
 572         return new Encoding[] { Encoding.PCM_SIGNED, Encoding.PCM_UNSIGNED,
 573                 Encoding.PCM_FLOAT };
 574     }
 575 
 576     @Override
 577     public AudioFormat[] getTargetFormats(Encoding targetEncoding,
 578                                           AudioFormat sourceFormat) {
 579         Objects.requireNonNull(targetEncoding);
 580         if (AudioFloatConverter.getConverter(sourceFormat) == null)
 581             return new AudioFormat[0];
 582         int channels = sourceFormat.getChannels();
 583 
 584         ArrayList<AudioFormat> formats = new ArrayList<>();
 585 


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