ImageCaptureConfigProvider.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.extensions.internal;
import android.content.Context;
import android.hardware.camera2.CameraCharacteristics;
import android.util.Pair;
import android.util.Size;
import androidx.annotation.NonNull;
import androidx.annotation.experimental.UseExperimental;
import androidx.camera.camera2.impl.Camera2ImplConfig;
import androidx.camera.camera2.impl.CameraEventCallbacks;
import androidx.camera.camera2.interop.Camera2CameraInfo;
import androidx.camera.camera2.interop.ExperimentalCamera2Interop;
import androidx.camera.core.CameraInfo;
import androidx.camera.core.ImageCapture;
import androidx.camera.core.impl.ConfigProvider;
import androidx.camera.core.impl.ImageCaptureConfig;
import androidx.camera.core.impl.OptionsBundle;
import androidx.camera.extensions.Extensions;
import androidx.camera.extensions.ImageCaptureExtender;
import androidx.camera.extensions.impl.AutoImageCaptureExtenderImpl;
import androidx.camera.extensions.impl.BeautyImageCaptureExtenderImpl;
import androidx.camera.extensions.impl.BokehImageCaptureExtenderImpl;
import androidx.camera.extensions.impl.CaptureProcessorImpl;
import androidx.camera.extensions.impl.HdrImageCaptureExtenderImpl;
import androidx.camera.extensions.impl.ImageCaptureExtenderImpl;
import androidx.camera.extensions.impl.NightImageCaptureExtenderImpl;
import java.util.List;
/**
* Provides extensions related configs for image capture
*/
public class ImageCaptureConfigProvider implements ConfigProvider<ImageCaptureConfig> {
private ImageCaptureExtenderImpl mImpl;
private Context mContext;
@UseExperimental(markerClass = ExperimentalCamera2Interop.class)
public ImageCaptureConfigProvider(@Extensions.ExtensionMode int mode,
@NonNull CameraInfo cameraInfo, @NonNull Context context) {
try {
switch (mode) {
case Extensions.EXTENSION_MODE_BOKEH:
mImpl = new BokehImageCaptureExtenderImpl();
break;
case Extensions.EXTENSION_MODE_HDR:
mImpl = new HdrImageCaptureExtenderImpl();
break;
case Extensions.EXTENSION_MODE_NIGHT:
mImpl = new NightImageCaptureExtenderImpl();
break;
case Extensions.EXTENSION_MODE_BEAUTY:
mImpl = new BeautyImageCaptureExtenderImpl();
break;
case Extensions.EXTENSION_MODE_AUTO:
mImpl = new AutoImageCaptureExtenderImpl();
break;
case Extensions.EXTENSION_MODE_NONE:
default:
return;
}
} catch (NoClassDefFoundError e) {
throw new IllegalArgumentException("Extension mode does not exist: " + mode);
}
mContext = context;
String cameraId = Camera2CameraInfo.from(cameraInfo).getCameraId();
CameraCharacteristics cameraCharacteristics =
Camera2CameraInfo.extractCameraCharacteristics(cameraInfo);
mImpl.init(cameraId, cameraCharacteristics);
}
@NonNull
@Override
public ImageCaptureConfig getConfig() {
if (mImpl == null) {
return new ImageCaptureConfig(OptionsBundle.emptyBundle());
}
ImageCapture.Builder builder = new ImageCapture.Builder();
CaptureProcessorImpl captureProcessor = mImpl.getCaptureProcessor();
if (captureProcessor != null) {
builder.setCaptureProcessor(new AdaptingCaptureProcessor(captureProcessor));
}
if (mImpl.getMaxCaptureStage() > 0) {
builder.setMaxCaptureStages(mImpl.getMaxCaptureStage());
}
ImageCaptureExtender.ImageCaptureAdapter
imageCaptureAdapter = new ImageCaptureExtender.ImageCaptureAdapter(mImpl, mContext);
new Camera2ImplConfig.Extender<>(builder).setCameraEventCallback(
new CameraEventCallbacks(imageCaptureAdapter));
builder.setUseCaseEventCallback(imageCaptureAdapter);
builder.setCaptureBundle(imageCaptureAdapter);
List<Pair<Integer, Size[]>> supportedResolutions =
ImageCaptureExtender.getSupportedResolutions(mImpl);
if (supportedResolutions != null) {
builder.setSupportedResolutions(supportedResolutions);
}
return builder.getUseCaseConfig();
}
}