1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef V4L2_CAMERA_HAL_METADATA_H_ 18 #define V4L2_CAMERA_HAL_METADATA_H_ 19 20 #include <set> 21 22 #include <camera/CameraMetadata.h> 23 #include <hardware/camera3.h> 24 25 #include "../common.h" 26 #include "metadata_common.h" 27 28 namespace v4l2_camera_hal { 29 class Metadata { 30 public: 31 Metadata(PartialMetadataSet components); 32 virtual ~Metadata(); 33 34 int FillStaticMetadata(android::CameraMetadata* metadata); 35 bool IsValidRequest(const android::CameraMetadata& metadata); 36 int GetRequestTemplate(int template_type, 37 android::CameraMetadata* template_metadata); 38 int SetRequestSettings(const android::CameraMetadata& metadata); 39 int FillResultMetadata(android::CameraMetadata* metadata); 40 41 private: 42 // The overall metadata is broken down into several distinct pieces. 43 // Note: it is undefined behavior if multiple components share tags. 44 PartialMetadataSet components_; 45 46 DISALLOW_COPY_AND_ASSIGN(Metadata); 47 }; 48 49 } // namespace v4l2_camera_hal 50 51 #endif // V4L2_CAMERA_HAL_V4L2_METADATA_H_ 52