1 /* 2 * blender.h - blender 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@intel.com> 19 */ 20 21 #ifndef XCAM_INTERFACE_BLENDER_H 22 #define XCAM_INTERFACE_BLENDER_H 23 24 #include <xcam_std.h> 25 #include <video_buffer.h> 26 #include <interface/data_types.h> 27 28 #define XCAM_BLENDER_IMAGE_NUM 2 29 30 namespace XCam { 31 32 class Blender; 33 34 class Blender 35 { 36 public: 37 explicit Blender (uint32_t alignment_x, uint32_t alignment_y); 38 virtual ~Blender (); 39 static SmartPtr<Blender> create_ocl_blender (); 40 static SmartPtr<Blender> create_soft_blender (); 41 42 void set_output_size (uint32_t width, uint32_t height); get_output_size(uint32_t & width,uint32_t & height)43 void get_output_size (uint32_t &width, uint32_t &height) const { 44 width = _out_width; 45 height = _out_height; 46 } 47 bool set_input_valid_area (const Rect &area, uint32_t index); 48 bool set_merge_window (const Rect &window); 49 virtual bool set_input_merge_area (const Rect &area, uint32_t index); 50 get_merge_window()51 const Rect &get_merge_window () const { 52 return _merge_window; 53 } 54 get_input_merge_area(uint32_t index)55 const Rect &get_input_merge_area (uint32_t index) const { 56 return _input_merge_area[index]; 57 } get_input_valid_area(uint32_t index)58 const Rect &get_input_valid_area (uint32_t index) const { 59 return _input_valid_area[index]; 60 } 61 is_merge_window_set()62 bool is_merge_window_set () const { 63 return _merge_window.pos_x || _merge_window.width; 64 } 65 get_alignment_x()66 uint32_t get_alignment_x () const { 67 return _alignment_x; 68 } get_alignment_y()69 uint32_t get_alignment_y () const { 70 return _alignment_y; 71 } 72 73 virtual XCamReturn blend ( 74 const SmartPtr<VideoBuffer> &in0, 75 const SmartPtr<VideoBuffer> &in1, 76 SmartPtr<VideoBuffer> &out_buf); 77 78 protected: 79 bool auto_calc_merge_window ( 80 uint32_t width0, uint32_t width1, uint32_t blend_width, Rect &out_window); 81 82 private: 83 XCAM_DEAD_COPY (Blender); 84 85 private: 86 uint32_t _alignment_x, _alignment_y; 87 uint32_t _out_width, _out_height; 88 Rect _input_valid_area[XCAM_BLENDER_IMAGE_NUM]; 89 Rect _merge_window; // for output buffer 90 91 protected: 92 Rect _input_merge_area[XCAM_BLENDER_IMAGE_NUM]; 93 }; 94 95 } 96 97 #endif //XCAM_INTERFACE_BLENDER_H 98