ImageCapturePixelHDRPlus.java
/*
* Copyright 2020 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.camera2.internal.compat.workaround;
import android.annotation.SuppressLint;
import android.hardware.camera2.CaptureRequest;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.camera.camera2.impl.Camera2ImplConfig;
import androidx.camera.camera2.internal.compat.quirk.DeviceQuirks;
import androidx.camera.camera2.internal.compat.quirk.ImageCapturePixelHDRPlusQuirk;
import androidx.camera.core.ImageCapture;
/**
* Workaround that handles turning on/off HDR+ on Pixel devices.
*
* @see ImageCapturePixelHDRPlusQuirk
*/
@RequiresApi(21) // TODO(b/200306659): Remove and replace with annotation on package-info.java
public class ImageCapturePixelHDRPlus {
/**
* Turns on or turns off HDR+ on Pixel devices depending on the image capture use case's
* capture mode. When the mode is {@link ImageCapture#CAPTURE_MODE_MINIMIZE_LATENCY}, HDR+ is
* turned off by disabling ZSL. When the mode is
* {@link ImageCapture#CAPTURE_MODE_MAXIMIZE_QUALITY}, HDR+ is turned on by enabling ZSL.
*/
@SuppressLint("NewApi")
public void toggleHDRPlus(@ImageCapture.CaptureMode int captureMode,
@NonNull Camera2ImplConfig.Builder builder) {
final ImageCapturePixelHDRPlusQuirk quirk = DeviceQuirks.get(
ImageCapturePixelHDRPlusQuirk.class);
if (quirk == null) {
return;
}
switch (captureMode) {
case ImageCapture.CAPTURE_MODE_MAXIMIZE_QUALITY:
// enable ZSL to make sure HDR+ is enabled
builder.setCaptureRequestOption(CaptureRequest.CONTROL_ENABLE_ZSL, true);
break;
case ImageCapture.CAPTURE_MODE_MINIMIZE_LATENCY:
// disable ZSL to turn off HDR+
builder.setCaptureRequestOption(CaptureRequest.CONTROL_ENABLE_ZSL, false);
break;
}
}
}