1 /* 2 * cl_bayer_basic_handler.h - CL bayer copy handler 3 * 4 * Copyright (c) 2015 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_CL_BAYER_BASIC_HANLDER_H 22 #define XCAM_CL_BAYER_BASIC_HANLDER_H 23 24 #include <xcam_std.h> 25 #include <ocl/cl_image_handler.h> 26 #include <ocl/cl_memory.h> 27 #include <ocl/cl_3a_stats_context.h> 28 #include <stats_callback_interface.h> 29 30 namespace XCam { 31 32 class CLBayerBasicImageHandler; 33 class CLBayer3AStatsThread; 34 35 #define XCAM_CL_BLC_DEFAULT_LEVEL 0.06 36 37 /* Black level correction configuration */ 38 typedef struct { 39 float level_gr; /* Black level for GR pixels */ 40 float level_r; /* Black level for R pixels */ 41 float level_b; /* Black level for B pixels */ 42 float level_gb; /* Black level for GB pixels */ 43 uint32_t color_bits; 44 } CLBLCConfig; 45 46 typedef struct { 47 float r_gain; 48 float gr_gain; 49 float gb_gain; 50 float b_gain; 51 } CLWBConfig; 52 53 class CLBayerBasicImageKernel 54 : public CLImageKernel 55 { 56 public: 57 explicit CLBayerBasicImageKernel (const SmartPtr<CLContext> &context); 58 }; 59 60 class CLBayerBasicImageHandler 61 : public CLImageHandler 62 { 63 friend class CLBayer3AStatsThread; 64 public: 65 explicit CLBayerBasicImageHandler (const SmartPtr<CLContext> &context, const char *name); 66 ~CLBayerBasicImageHandler (); 67 set_stats_callback(SmartPtr<StatsCallback> & callback)68 void set_stats_callback (SmartPtr<StatsCallback> &callback) { 69 _stats_callback = callback; 70 } 71 bool set_bayer_kernel (SmartPtr<CLBayerBasicImageKernel> &kernel); 72 73 bool set_blc_config (const XCam3aResultBlackLevel &blc); 74 bool set_wb_config (const XCam3aResultWhiteBalance &wb); 75 bool set_gamma_table (const XCam3aResultGammaTable &gamma); 76 void set_stats_bits (uint32_t stats_bits); 77 78 virtual void emit_stop (); 79 XCamReturn post_stats (const SmartPtr<X3aStats> &stats); 80 XCamReturn process_stats_buffer (SmartPtr<VideoBuffer> &buffer, SmartPtr<CLBuffer> &cl_stats); 81 82 protected: 83 virtual XCamReturn prepare_buffer_pool_video_info ( 84 const VideoBufferInfo &input, VideoBufferInfo &output); 85 virtual XCamReturn prepare_parameters ( 86 SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output); 87 virtual XCamReturn execute_done (SmartPtr<VideoBuffer> &output); 88 89 private: 90 SmartPtr<CLBayerBasicImageKernel> _bayer_kernel; 91 bool _is_first_buf; 92 CLBLCConfig _blc_config; 93 CLWBConfig _wb_config; 94 float _gamma_table[XCAM_GAMMA_TABLE_SIZE + 1]; 95 96 SmartPtr<CL3AStatsCalculatorContext> _3a_stats_context; 97 SmartPtr<CLBayer3AStatsThread> _3a_stats_thread; 98 SmartPtr<CLBuffer> _stats_cl_buffer; 99 100 SmartPtr<StatsCallback> _stats_callback; 101 102 XCAM_OBJ_PROFILING_DEFINES; 103 }; 104 105 SmartPtr<CLImageHandler> 106 create_cl_bayer_basic_image_handler ( 107 const SmartPtr<CLContext> &context, 108 bool enable_gamma = true, 109 uint32_t stats_bits = 8); 110 111 }; 112 113 #endif //XCAM_CL_BAYER_BASIC_HANLDER_H 114