content: /*
   * Copyright 2015 The Android Open Source Project
   *
   * 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
   *
   *      http://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.
   */
  
  package android.media;
  
  import android.annotation.NonNull;
  import android.os.Parcel;
  
  /**
   * Class that embodies one timed metadata access unit, including
   *
   * <ul>
   * <li> a time stamp, and </li>
   * <li> raw uninterpreted byte-array extracted directly from the container. </li>
   * </ul>
   *
   * @see MediaPlayer#setOnTimedMetaDataAvailableListener(android.media.MediaPlayer.OnTimedMetaDataAvailableListener)
   */
  public final class TimedMetaData {
      private static final String TAG = "TimedMetaData";
  
      private long mTimestampUs;
      private byte[] mMetaData;
  
      /**
       * @hide
       */
      static TimedMetaData createTimedMetaDataFromParcel(Parcel parcel) {
          return new TimedMetaData(parcel);
      }
  
      private TimedMetaData(Parcel parcel) {
          if (!parseParcel(parcel)) {
              throw new IllegalArgumentException("parseParcel() fails");
          }
      }
  
      /**
       * Constructor.
       *
       * @param timestampUs the timestamp in microsecond for the timed metadata
       * @param metaData the metadata array for the timed metadata. No data copying is made.
       *     It should not be null.
       */
      public TimedMetaData(long timestampUs, @NonNull byte[] metaData) {
          if (metaData == null) {
              throw new IllegalArgumentException("null metaData is not allowed");
          }
          mTimestampUs = timestampUs;
          mMetaData = metaData;
      }
  
      /**
       * @return the timestamp associated with this metadata access unit in microseconds;
       * 0 denotes playback start.
       */
      public long getTimestamp() {
          return mTimestampUs;
      }
  
      /**
       * @return raw, uninterpreted content of this metadata access unit; for ID3 tags this includes
       * everything starting from the 3 byte signature "ID3".
       */
      public byte[] getMetaData() {
          return mMetaData;
      }
  
      private boolean parseParcel(Parcel parcel) {
          parcel.setDataPosition(0);
          if (parcel.dataAvail() == 0) {
              return false;
          }
  
          mTimestampUs = parcel.readLong();
          mMetaData = new byte[parcel.readInt()];
          parcel.readByteArray(mMetaData);
  
          return true;
      }
  }
  