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/*
* geo_mapper.h - geometry mapper interface
*
* Copyright (c) 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_INTERFACE_GEO_MAPPER_H
#define XCAM_INTERFACE_GEO_MAPPER_H
#include "xcam_utils.h"
#include "interface/data_types.h"
#include "video_buffer.h"
XCAM_BEGIN_DECLARE
typedef struct {
float x;
float y;
// z, w not used.
float z;
float w;
} GeoData;
XCAM_END_DECLARE
namespace XCam {
class GeoMapper
{
public:
GeoMapper ();
virtual ~GeoMapper ();
static SmartPtr<GeoMapper> create_ocl_geo_mapper ();
static SmartPtr<GeoMapper> create_soft_geo_mapper ();
//2D table
virtual bool set_lookup_table (GeoData *data, uint32_t width, uint32_t height) = 0;
bool set_factors (float x, float y);
void get_factors (float &x, float &y) const {
x = _factor_x;
y = _factor_y;
}
bool set_output_size (uint32_t width, uint32_t height);
void get_output_size (uint32_t &width, uint32_t &height) const {
width = _out_width;
height = _out_height;
}
virtual XCamReturn remap (
const SmartPtr<VideoBuffer> &in,
SmartPtr<VideoBuffer> &out_buf) = 0;
protected:
bool auto_calculate_factors (uint32_t lut_w, uint32_t lut_h);
private:
uint32_t _out_width, _out_height;
float _factor_x, _factor_y;
};
}
#endif //XCAM_INTERFACE_GEO_MAPPER_H
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