PreviewOneThirdWiderQuirk.java
/*
* Copyright 2021 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.camera.view.internal.compat.quirk;
import android.os.Build;
import androidx.camera.core.impl.Quirk;
/**
* A quirk where the preview buffer is stretched.
*
* <p> The symptom is, the preview's FOV is always 1/3 wider than intended. For example, if the
* preview Surface is 800x600, it's actually has a FOV of 1066x600 with the same center point,
* but squeezed to fit the 800x600 buffer.
*/
public class PreviewOneThirdWiderQuirk implements Quirk {
private static final String SAMSUNG_A3_2017 = "A3Y17LTE"; // b/180121821
private static final String SAMSUNG_J5_PRIME = "ON5XELTE"; // b/183329599
static boolean load() {
boolean isSamsungJ5PrimeAndApi26 =
SAMSUNG_J5_PRIME.equals(Build.DEVICE.toUpperCase()) && Build.VERSION.SDK_INT >= 26;
boolean isSamsungA3 = SAMSUNG_A3_2017.equals(Build.DEVICE.toUpperCase());
return isSamsungJ5PrimeAndApi26 || isSamsungA3;
}
/**
* The mount that the crop rect needs to be scaled in x.
*/
public float getCropRectScaleX() {
return 0.75f;
}
}