| /* |
| * Copyright (C) 2014 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 android.hardware.camera2.marshal.impl; |
| |
| import android.hardware.camera2.marshal.Marshaler; |
| import android.hardware.camera2.marshal.MarshalQueryable; |
| import android.hardware.camera2.params.StreamConfiguration; |
| import android.hardware.camera2.utils.TypeReference; |
| |
| import static android.hardware.camera2.impl.CameraMetadataNative.*; |
| import static android.hardware.camera2.marshal.MarshalHelpers.*; |
| |
| import java.nio.ByteBuffer; |
| |
| /** |
| * Marshaler for {@code android.scaler.availableStreamConfigurations} custom class |
| * {@link StreamConfiguration} |
| * |
| * <p>Data is stored as {@code (format, width, height, input?)} tuples (int32).</p> |
| */ |
| public class MarshalQueryableStreamConfiguration |
| implements MarshalQueryable<StreamConfiguration> { |
| private static final int SIZE = SIZEOF_INT32 * 4; |
| |
| private class MarshalerStreamConfiguration extends Marshaler<StreamConfiguration> { |
| protected MarshalerStreamConfiguration(TypeReference<StreamConfiguration> typeReference, |
| int nativeType) { |
| super(MarshalQueryableStreamConfiguration.this, typeReference, nativeType); |
| } |
| |
| @Override |
| public void marshal(StreamConfiguration value, ByteBuffer buffer) { |
| buffer.putInt(value.getFormat()); |
| buffer.putInt(value.getWidth()); |
| buffer.putInt(value.getHeight()); |
| buffer.putInt(value.isInput() ? 1 : 0); |
| } |
| |
| @Override |
| public StreamConfiguration unmarshal(ByteBuffer buffer) { |
| int format = buffer.getInt(); |
| int width = buffer.getInt(); |
| int height = buffer.getInt(); |
| boolean input = buffer.getInt() != 0; |
| |
| return new StreamConfiguration(format, width, height, input); |
| } |
| |
| @Override |
| public int getNativeSize() { |
| return SIZE; |
| } |
| |
| } |
| |
| @Override |
| public Marshaler<StreamConfiguration> createMarshaler( |
| TypeReference<StreamConfiguration> managedType, int nativeType) { |
| return new MarshalerStreamConfiguration(managedType, nativeType); |
| } |
| |
| @Override |
| public boolean isTypeMappingSupported(TypeReference<StreamConfiguration> managedType, |
| int nativeType) { |
| return nativeType == TYPE_INT32 && managedType.getType().equals(StreamConfiguration.class); |
| } |
| } |