content: /*
   * Copyright 2002-2019 Drew Noakes and contributors
   *
   *    Licensed under the Apache License, Version 2.0 (the "License");
   *    you may not use this file except in compliance with the License.
   *    You may obtain a copy of the License at
   *
   *        https://www.apache.org/licenses/LICENSE-2.0
   *
   *    Unless required by applicable law or agreed to in writing, software
   *    distributed under the License is distributed on an "AS IS" BASIS,
   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *    See the License for the specific language governing permissions and
   *    limitations under the License.
   *
   * More information about this project is available at:
   *
   *    https://drewnoakes.com/code/exif/
   *    https://github.com/drewnoakes/metadata-extractor
   */
  package com.drew.metadata.mov.atoms;
  
  import com.drew.lang.SequentialReader;
  import com.drew.lang.annotations.NotNull;
  import com.drew.metadata.mov.QuickTimeDictionary;
  import com.drew.metadata.mov.media.QuickTimeSoundDirectory;
  
  import java.io.IOException;
  
  /**
   * https://developer.apple.com/library/content/documentation/QuickTime/QTFF/QTFFChap3/qtff3.html#//apple_ref/doc/uid/TP40000939-CH205-BBCGGHJH
   *
   * @author Payton Garland
   */
  public class SoundSampleDescriptionAtom extends SampleDescriptionAtom<SoundSampleDescriptionAtom.SoundSampleDescription>
  {
      public SoundSampleDescriptionAtom(SequentialReader reader, Atom atom) throws IOException
      {
          super(reader, atom);
      }
  
      @NotNull
      @Override
      SoundSampleDescription getSampleDescription(SequentialReader reader) throws IOException
      {
          return new SoundSampleDescription(reader);
      }
  
      public void addMetadata(QuickTimeSoundDirectory directory)
      {
          if (sampleDescriptions.size() > 0) {
              // TODO why only the first one?
              SoundSampleDescription description = sampleDescriptions.get(0);
  
              QuickTimeDictionary.setLookup(QuickTimeSoundDirectory.TAG_AUDIO_FORMAT, description.dataFormat, directory);
              directory.setInt(QuickTimeSoundDirectory.TAG_NUMBER_OF_CHANNELS, description.numberOfChannels);
              directory.setInt(QuickTimeSoundDirectory.TAG_AUDIO_SAMPLE_SIZE, description.sampleSize);
          }
      }
  
      static class SoundSampleDescription extends SampleDescription
      {
          int version;
          int revisionLevel;
          int vendor;
          int numberOfChannels;
          int sampleSize;
          int compressionID;
          int packetSize;
          long sampleRate;
  
          public SoundSampleDescription(SequentialReader reader) throws IOException
          {
              super(reader);
  
              version = reader.getUInt16();
              revisionLevel = reader.getUInt16();
              vendor = reader.getInt32();
              numberOfChannels = reader.getUInt16();
              sampleSize = reader.getUInt16();
              compressionID = reader.getUInt16();
              packetSize = reader.getUInt16();
              sampleRate = reader.getUInt32();
          }
      }
  }
  