content: /*
   * Copyright (C) 2018 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.RecommendedStreamConfiguration;
  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.availableRecommendedStreamConfigurations} custom class
   * {@link RecommendedStreamConfiguration}
   *
   * <p>Data is stored as {@code (width, height, format, input, usecaseBitmap)} tuples (int32).</p>
   */
  public class MarshalQueryableRecommendedStreamConfiguration
          implements MarshalQueryable<RecommendedStreamConfiguration> {
      private static final int SIZE = SIZEOF_INT32 * 5;
  
      private class MarshalerRecommendedStreamConfiguration
              extends Marshaler<RecommendedStreamConfiguration> {
          protected MarshalerRecommendedStreamConfiguration(
                  TypeReference<RecommendedStreamConfiguration> typeReference, int nativeType) {
              super(MarshalQueryableRecommendedStreamConfiguration.this, typeReference, nativeType);
          }
  
          @Override
          public void marshal(RecommendedStreamConfiguration value, ByteBuffer buffer) {
              buffer.putInt(value.getWidth());
              buffer.putInt(value.getHeight());
              buffer.putInt(value.getFormat());
              buffer.putInt(value.isInput() ? 1 : 0);
              buffer.putInt(value.getUsecaseBitmap());
          }
  
          @Override
          public RecommendedStreamConfiguration unmarshal(ByteBuffer buffer) {
              int width = buffer.getInt();
              int height = buffer.getInt();
              int format = buffer.getInt();
              boolean input = buffer.getInt() != 0;
              int usecaseBitmap = buffer.getInt();
  
              return new RecommendedStreamConfiguration(format, width, height, input, usecaseBitmap);
          }
  
          @Override
          public int getNativeSize() {
              return SIZE;
          }
  
      }
  
      @Override
      public Marshaler<RecommendedStreamConfiguration> createMarshaler(
              TypeReference<RecommendedStreamConfiguration> managedType, int nativeType) {
          return new MarshalerRecommendedStreamConfiguration(managedType, nativeType);
      }
  
      @Override
      public boolean isTypeMappingSupported(TypeReference<RecommendedStreamConfiguration> managedType,
              int nativeType) {
          return nativeType ==
              TYPE_INT32 && managedType.getType().equals(RecommendedStreamConfiguration.class);
      }
  }
  