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