BokehImageCaptureExtender.java
/*
* Copyright (C) 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.camera.extensions;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.camera.core.CameraSelector;
import androidx.camera.core.ImageCapture;
import androidx.camera.extensions.ExtensionsManager.EffectMode;
import androidx.camera.extensions.impl.BokehImageCaptureExtenderImpl;
/**
* Loads the OEM extension implementation for bokeh effect type.
*/
public class BokehImageCaptureExtender extends ImageCaptureExtender {
private static final String TAG = "BokehImgCaptureExtender";
/**
* Creates a new instance of the bokeh extender.
*
* @param builder Builder that will be used to create the configurations for the
* {@link androidx.camera.core.ImageCapture}.
*/
public static BokehImageCaptureExtender create(ImageCapture.Builder builder) {
if (ExtensionVersion.isExtensionVersionSupported()) {
try {
return new VendorBokehImageCaptureExtender(builder);
} catch (NoClassDefFoundError e) {
Log.d(TAG, "No bokeh image capture extender found. Falling back to default.");
}
}
return new DefaultBokehImageCaptureExtender();
}
/** Empty implementation of bokeh extender which does nothing. */
private static class DefaultBokehImageCaptureExtender extends BokehImageCaptureExtender {
DefaultBokehImageCaptureExtender() {
}
@Override
public boolean isExtensionAvailable(@NonNull CameraSelector selector) {
return false;
}
@Override
public void enableExtension(@NonNull CameraSelector selector) {
}
}
/** Bokeh extender that calls into the vendor provided implementation. */
private static class VendorBokehImageCaptureExtender extends BokehImageCaptureExtender {
private final BokehImageCaptureExtenderImpl mImpl;
VendorBokehImageCaptureExtender(ImageCapture.Builder builder) {
mImpl = new BokehImageCaptureExtenderImpl();
init(builder, mImpl, EffectMode.BOKEH);
}
}
private BokehImageCaptureExtender() {}
}