JpegImage2Result.java
/*
* Copyright 2022 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.core.imagecapture;
import android.os.Build;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.camera.core.ImageCaptureException;
import androidx.camera.core.ImageInfo;
import androidx.camera.core.ImageProxy;
import androidx.camera.core.ImmutableImageInfo;
import androidx.camera.core.SettableImageProxy;
import androidx.camera.core.processing.Operation;
import androidx.camera.core.processing.Packet;
/**
* Produces a {@link ImageProxy} as in-memory capture result.
*
* <p>Updates the input {@link ImageProxy}'s metadata based on the info in the {@link Packet}.
* The metadata in the {@link Packet} should be correct at this stage. The quirks should be handled
* in the {@link ProcessingInput2Packet} processor, and the transformation info should be updated
* by upstream processors.
*/
@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
public class JpegImage2Result implements Operation<Packet<ImageProxy>, ImageProxy> {
@NonNull
@Override
public ImageProxy apply(@NonNull Packet<ImageProxy> input)
throws ImageCaptureException {
ImageProxy image = input.getData();
ImageInfo imageInfo = ImmutableImageInfo.create(
image.getImageInfo().getTagBundle(),
image.getImageInfo().getTimestamp(),
input.getRotationDegrees(),
input.getSensorToBufferTransform());
final ImageProxy imageWithUpdatedInfo = new SettableImageProxy(image,
input.getSize(), imageInfo);
imageWithUpdatedInfo.setCropRect(input.getCropRect());
return imageWithUpdatedInfo;
}
}