/*
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* xcam_utils.h - xcam utilities
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*
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* Copyright (c) 2014-2017 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Author: Wind Yuan <feng.yuan@intel.com>
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*/
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#ifndef XCAM_UTILS_H
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#define XCAM_UTILS_H
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#include <xcam_std.h>
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#include <interface/data_types.h>
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namespace XCam {
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PointFloat2 bowl_view_coords_to_image (
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const BowlDataConfig &config,
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const PointFloat3 &bowl_pos,
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const uint32_t img_width, const uint32_t img_height);
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PointFloat3 bowl_view_image_to_world (
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const BowlDataConfig &config,
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const uint32_t img_width, const uint32_t img_height,
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const PointFloat2 &img_pos);
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void centralize_bowl_coord_from_cameras (
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ExtrinsicParameter &front_cam, ExtrinsicParameter &right_cam,
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ExtrinsicParameter &rear_cam, ExtrinsicParameter &left_cam,
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PointFloat3 &bowl_coord_offset);
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double
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linear_interpolate_p2 (
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double value_start, double value_end,
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double ref_start, double ref_end,
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double ref_curr);
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double
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linear_interpolate_p4(
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double value_lt, double value_rt,
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double value_lb, double value_rb,
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double ref_lt_x, double ref_rt_x,
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double ref_lb_x, double ref_rb_x,
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double ref_lt_y, double ref_rt_y,
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double ref_lb_y, double ref_rb_y,
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double ref_curr_x, double ref_curr_y);
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void get_gauss_table (
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uint32_t radius, float sigma, std::vector<float> &table, bool normalize = true);
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class VideoBuffer;
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void dump_buf_perfix_path (const SmartPtr<VideoBuffer> buf, const char *prefix_name);
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bool dump_video_buf (const SmartPtr<VideoBuffer> buf, const char *file_name);
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};
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#endif //XCAM_UTILS_H
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