1 /* 2 * Copyright (C) 2020 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 HARDWARE_GOOGLE_CAMERA_HAL_UTILS_ZOOM_RATIO_MAPPER_H_ 18 #define HARDWARE_GOOGLE_CAMERA_HAL_UTILS_ZOOM_RATIO_MAPPER_H_ 19 20 #include "hal_types.h" 21 #include "zoom_ratio_mapper_hwl.h" 22 23 namespace android { 24 namespace google_camera_hal { 25 26 class ZoomRatioMapper { 27 public: 28 struct InitParams { 29 Dimension active_array_dimension; 30 Dimension active_array_maximum_resolution_dimension; 31 std::unordered_map<uint32_t, Dimension> physical_cam_active_array_dimension; 32 std::unordered_map<uint32_t, Dimension> 33 physical_cam_active_array_maximum_resolution_dimension; 34 ZoomRatioRange zoom_ratio_range; 35 std::unique_ptr<ZoomRatioMapperHwl> zoom_ratio_mapper_hwl; 36 uint32_t camera_id; 37 }; 38 39 void Initialize(InitParams* params); 40 41 // Apply zoom ratio to capture request 42 void UpdateCaptureRequest(CaptureRequest* request); 43 44 // Apply zoom ratio to capture result 45 void UpdateCaptureResult(CaptureResult* result); 46 47 private: 48 // Gets active array dimension 49 Dimension GetActiveArrayDimension(const HalCameraMetadata& metadata, 50 bool is_physical, uint32_t camera_id) const; 51 52 // Apply zoom ratio to the capture request or result. 53 void ApplyZoomRatio(const Dimension& active_array_dimension, 54 const bool is_request, HalCameraMetadata* metadata); 55 56 // Update rect region with respect to zoom ratio and active array 57 // dimension. 58 void UpdateRects(float zoom_ratio, const uint32_t tag_id, 59 const Dimension& active_array_dimension, 60 const bool is_request, HalCameraMetadata* metadata); 61 62 // Update weighted rect regions with respect to zoom ratio and active array 63 // dimension. 64 void UpdateWeightedRects(float zoom_ratio, const uint32_t tag_id, 65 const Dimension& active_array_dimension, 66 const bool is_request, HalCameraMetadata* metadata); 67 68 // Update point position with respect to zoom ratio and active array 69 // dimension. 70 void UpdatePoints(float zoom_ratio, const uint32_t tag_id, 71 const Dimension& active_array_dimension, 72 HalCameraMetadata* metadata); 73 74 // Active array dimension of logical camera. 75 Dimension active_array_dimension_; 76 77 // Active array maximum resolution dimension of logical camera. 78 Dimension active_array_maximum_resolution_dimension_; 79 80 // Active array dimension of physical camera. 81 std::unordered_map<uint32_t, Dimension> physical_cam_active_array_dimension_; 82 83 // Active array maximum resolution dimension of physical camera. 84 std::unordered_map<uint32_t, Dimension> 85 physical_cam_active_array_maximum_resolution_dimension_; 86 87 // Zoom ratio range. 88 ZoomRatioRange zoom_ratio_range_; 89 90 // Indicate whether zoom ratio is supported. 91 bool is_zoom_ratio_supported_ = false; 92 93 std::unique_ptr<ZoomRatioMapperHwl> zoom_ratio_mapper_hwl_; 94 95 uint32_t camera_id_; 96 }; 97 98 } // namespace google_camera_hal 99 } // namespace android 100 101 #endif // HARDWARE_GOOGLE_CAMERA_HAL_UTILS_ZOOM_RATIO_MAPPER_H_ 102