Image2JpegBytes.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 static androidx.camera.core.internal.utils.ImageUtil.jpegImageToJpegByteArray;
import android.os.Build;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.camera.core.ImageCaptureException;
import androidx.camera.core.ImageProxy;
import androidx.camera.core.processing.Packet;
import androidx.camera.core.processing.Processor;
/**
* Converts a {@link ImageProxy} to JPEG bytes.
*/
@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
final class Image2JpegBytes implements Processor<Packet<ImageProxy>, Packet<byte[]>> {
@NonNull
@Override
public Packet<byte[]> process(@NonNull Packet<ImageProxy> inputPacket)
throws ImageCaptureException {
// TODO(b/240998060): For YUV input image is YUV, convert it to JPEG bytes.
byte[] jpegBytes = jpegImageToJpegByteArray(inputPacket.getData());
inputPacket.getData().close();
return Packet.of(
jpegBytes,
inputPacket.getExif(),
inputPacket.getFormat(),
inputPacket.getSize(),
inputPacket.getCropRect(),
inputPacket.getRotationDegrees(),
inputPacket.getSensorToBufferTransform());
}
}