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      1 /*
      2  * geo_mapper.h - geometry mapper interface
      3  *
      4  *  Copyright (c) 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 (at) intel.com>
     19  */
     20 
     21 #ifndef XCAM_INTERFACE_GEO_MAPPER_H
     22 #define XCAM_INTERFACE_GEO_MAPPER_H
     23 
     24 #include <xcam_std.h>
     25 #include <video_buffer.h>
     26 #include <interface/data_types.h>
     27 
     28 namespace XCam {
     29 
     30 class GeoMapper
     31 {
     32 public:
     33     GeoMapper ();
     34     virtual ~GeoMapper ();
     35     static SmartPtr<GeoMapper> create_ocl_geo_mapper ();
     36     static SmartPtr<GeoMapper> create_soft_geo_mapper ();
     37 
     38     //2D table
     39     virtual bool set_lookup_table (const PointFloat2 *data, uint32_t width, uint32_t height) = 0;
     40     bool set_factors (float x, float y);
     41     void get_factors (float &x, float &y) const {
     42         x = _factor_x;
     43         y = _factor_y;
     44     }
     45     bool set_output_size (uint32_t width, uint32_t height);
     46     void get_output_size (uint32_t &width, uint32_t &height) const {
     47         width = _out_width;
     48         height = _out_height;
     49     }
     50 
     51     virtual XCamReturn remap (
     52         const SmartPtr<VideoBuffer> &in,
     53         SmartPtr<VideoBuffer> &out_buf) = 0;
     54 
     55 protected:
     56     bool auto_calculate_factors (uint32_t lut_w, uint32_t lut_h);
     57 
     58 private:
     59     uint32_t     _out_width, _out_height;
     60     float        _factor_x, _factor_y;
     61 };
     62 
     63 }
     64 #endif //XCAM_INTERFACE_GEO_MAPPER_H
     65