1 /* 2 * xcam_utils.h - xcam utilities 3 * 4 * Copyright (c) 2014-2017 Intel Corporation 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 * 18 * Author: Wind Yuan <feng.yuan@intel.com> 19 */ 20 21 #ifndef XCAM_UTILS_H 22 #define XCAM_UTILS_H 23 24 #include <xcam_std.h> 25 #include <interface/data_types.h> 26 27 namespace XCam { 28 29 PointFloat2 bowl_view_coords_to_image ( 30 const BowlDataConfig &config, 31 const PointFloat3 &bowl_pos, 32 const uint32_t img_width, const uint32_t img_height); 33 34 PointFloat3 bowl_view_image_to_world ( 35 const BowlDataConfig &config, 36 const uint32_t img_width, const uint32_t img_height, 37 const PointFloat2 &img_pos); 38 39 void centralize_bowl_coord_from_cameras ( 40 ExtrinsicParameter &front_cam, ExtrinsicParameter &right_cam, 41 ExtrinsicParameter &rear_cam, ExtrinsicParameter &left_cam, 42 PointFloat3 &bowl_coord_offset); 43 44 double 45 linear_interpolate_p2 ( 46 double value_start, double value_end, 47 double ref_start, double ref_end, 48 double ref_curr); 49 50 double 51 linear_interpolate_p4( 52 double value_lt, double value_rt, 53 double value_lb, double value_rb, 54 double ref_lt_x, double ref_rt_x, 55 double ref_lb_x, double ref_rb_x, 56 double ref_lt_y, double ref_rt_y, 57 double ref_lb_y, double ref_rb_y, 58 double ref_curr_x, double ref_curr_y); 59 60 void get_gauss_table ( 61 uint32_t radius, float sigma, std::vector<float> &table, bool normalize = true); 62 63 class VideoBuffer; 64 void dump_buf_perfix_path (const SmartPtr<VideoBuffer> buf, const char *prefix_name); 65 bool dump_video_buf (const SmartPtr<VideoBuffer> buf, const char *file_name); 66 67 }; 68 69 #endif //XCAM_UTILS_H 70