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_ENUM_CONVERTER_H_ 18 #define V4L2_CAMERA_HAL_METADATA_ENUM_CONVERTER_H_ 19 20 #include <map> 21 22 #include <android-base/macros.h> 23 #include "converter_interface.h" 24 25 namespace v4l2_camera_hal { 26 27 // An EnumConverter converts between enum values. 28 class EnumConverter : public ConverterInterface<uint8_t, int32_t> { 29 public: 30 EnumConverter(const std::multimap<int32_t, uint8_t>& v4l2_to_metadata); 31 32 virtual int MetadataToV4L2(uint8_t value, int32_t* conversion) override; 33 virtual int V4L2ToMetadata(int32_t value, uint8_t* conversion) override; 34 35 private: 36 const std::multimap<int32_t, uint8_t> v4l2_to_metadata_; 37 38 DISALLOW_COPY_AND_ASSIGN(EnumConverter); 39 }; 40 41 } // namespace v4l2_camera_hal 42 43 #endif // V4L2_CAMERA_HAL_METADATA_ENUM_CONVERTER_H_ 44