text: /*
   * Copyright (C) 2019 The Android Open Source Project
   * Copyright (C) 2019 STMicroelectronics
   *
   * 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.
   */
  
  #ifndef V4L2_CAMERA_HAL_METADATA_H_
  #define V4L2_CAMERA_HAL_METADATA_H_
  
  #include <set>
  
  #include <CameraMetadata.h>
  
  #include "metadata_common.h"
  
  namespace android {
  namespace hardware {
  namespace camera {
  namespace common {
  namespace V1_0 {
  namespace metadata {
  
  class Metadata {
   public:
    Metadata(PartialMetadataSet components);
    virtual ~Metadata();
  
    int FillStaticMetadata(helper::CameraMetadata* metadata);
    bool IsValidRequest(const helper::CameraMetadata& metadata) const;
    int GetRequestTemplate(int template_type,
                           helper::CameraMetadata* template_metadata) const;
    int SetRequestSettings(const helper::CameraMetadata& metadata);
    int FillResultMetadata(helper::CameraMetadata* metadata);
  
   private:
    // The overall metadata is broken down into several distinct pieces.
    // Note: it is undefined behavior if multiple components share tags.
    PartialMetadataSet components_;
  
    Metadata(const Metadata&);
    void operator=(const Metadata&);
  };
  
  } // namespace metadata
  } // namespace V1_0
  } // namespace common
  } // namespace camera
  } // namespace hardware
  } // namespace android
  
  #endif  // V4L2_CAMERA_HAL_V4L2_METADATA_H_
  