1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.google.android.exoplayer2.video.spherical; 17 18 /** Listens camera motion. */ 19 public interface CameraMotionListener { 20 21 /** 22 * Called when a new camera motion is read. This method is called on the playback thread. 23 * 24 * @param timeUs The presentation time of the data. 25 * @param rotation Angle axis orientation in radians representing the rotation from camera 26 * coordinate system to world coordinate system. 27 */ onCameraMotion(long timeUs, float[] rotation)28 void onCameraMotion(long timeUs, float[] rotation); 29 30 /** Called when the camera motion track position is reset or the track is disabled. */ onCameraMotionReset()31 void onCameraMotionReset(); 32 } 33