VideoSize.java
/*
* Copyright 2019 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 androidx.media2.player;
/**
* Immutable class for describing video size.
*/
public final class VideoSize {
/**
* Creates a new immutable VideoSize instance.
*
* @param width The width of the video
* @param height The height of the video
*/
public VideoSize(int width, int height) {
mWidth = width;
mHeight = height;
}
/**
* Returns the width of the video.
*/
public int getWidth() {
return mWidth;
}
/**
* Returns the height of the video.
*/
public int getHeight() {
return mHeight;
}
/**
* Checks if this video size is equal to another video size.
* <p>
* Two video sizes are equal if and only if both their widths and heights are
* equal.
* </p>
* <p>
* A video size object is never equal to any other type of object.
* </p>
*
* @return {@code true} if the objects were equal, {@code false} otherwise
*/
@Override
public boolean equals(final Object obj) {
if (obj == null) {
return false;
}
if (this == obj) {
return true;
}
if (obj instanceof VideoSize) {
VideoSize other = (VideoSize) obj;
return mWidth == other.mWidth && mHeight == other.mHeight;
}
return false;
}
/**
* Return the video size represented as a string with the format {@code "WxH"}
*
* @return string representation of the video size
*/
@Override
public String toString() {
return mWidth + "x" + mHeight;
}
@Override
public int hashCode() {
// assuming most sizes are <2^16, doing a rotate will give us perfect hashing
return mHeight ^ ((mWidth << (Integer.SIZE / 2)) | (mWidth >>> (Integer.SIZE / 2)));
}
private final int mWidth;
private final int mHeight;
}