content: /*
   * Copyright (C) 2018 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 com.google.android.exoplayer2.video.spherical;
  
  /** Listens camera motion. */
  public interface CameraMotionListener {
  
    /**
     * Called when a new camera motion is read. This method is called on the playback thread.
     *
     * @param timeUs The presentation time of the data.
     * @param rotation Angle axis orientation in radians representing the rotation from camera
     *     coordinate system to world coordinate system.
     */
    void onCameraMotion(long timeUs, float[] rotation);
  
    /** Called when the camera motion track position is reset or the track is disabled. */
    void onCameraMotionReset();
  }
  