content: /*
   * Copyright 2022 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.util;
  
  import static com.google.android.exoplayer2.util.Assertions.checkArgument;
  
  /** Value class specifying information about a decoded video frame. */
  public class FrameInfo {
    /** The width of the frame, in pixels. */
    public final int width;
    /** The height of the frame, in pixels. */
    public final int height;
    /** The ratio of width over height for each pixel. */
    public final float pixelWidthHeightRatio;
    /**
     * An offset in microseconds that is part of the input timestamps and should be ignored for
     * processing but added back to the output timestamps.
     *
     * <p>The offset stays constant within a stream but changes in between streams to ensure that
     * frame timestamps are always monotonically increasing.
     */
    public final long streamOffsetUs;
  
    // TODO(b/227624622): Add color space information for HDR.
  
    /**
     * Creates a new instance.
     *
     * @param width The width of the frame, in pixels.
     * @param height The height of the frame, in pixels.
     * @param pixelWidthHeightRatio The ratio of width over height for each pixel.
     * @param streamOffsetUs An offset in microseconds that is part of the input timestamps and should
     *     be ignored for processing but added back to the output timestamps.
     */
    public FrameInfo(int width, int height, float pixelWidthHeightRatio, long streamOffsetUs) {
      checkArgument(width > 0, "width must be positive, but is: " + width);
      checkArgument(height > 0, "height must be positive, but is: " + height);
  
      this.width = width;
      this.height = height;
      this.pixelWidthHeightRatio = pixelWidthHeightRatio;
      this.streamOffsetUs = streamOffsetUs;
    }
  }
  