/*
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* cl_bayer_basic_handler.h - CL bayer copy handler
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*
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* Copyright (c) 2015 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Author: Wind Yuan <feng.yuan@intel.com>
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*/
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#ifndef XCAM_CL_BAYER_BASIC_HANLDER_H
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#define XCAM_CL_BAYER_BASIC_HANLDER_H
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#include <xcam_std.h>
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#include <ocl/cl_image_handler.h>
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#include <ocl/cl_memory.h>
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#include <ocl/cl_3a_stats_context.h>
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#include <stats_callback_interface.h>
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namespace XCam {
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class CLBayerBasicImageHandler;
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class CLBayer3AStatsThread;
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#define XCAM_CL_BLC_DEFAULT_LEVEL 0.06
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/* Black level correction configuration */
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typedef struct {
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float level_gr; /* Black level for GR pixels */
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float level_r; /* Black level for R pixels */
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float level_b; /* Black level for B pixels */
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float level_gb; /* Black level for GB pixels */
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uint32_t color_bits;
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} CLBLCConfig;
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typedef struct {
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float r_gain;
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float gr_gain;
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float gb_gain;
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float b_gain;
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} CLWBConfig;
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class CLBayerBasicImageKernel
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: public CLImageKernel
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{
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public:
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explicit CLBayerBasicImageKernel (const SmartPtr<CLContext> &context);
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};
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class CLBayerBasicImageHandler
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: public CLImageHandler
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{
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friend class CLBayer3AStatsThread;
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public:
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explicit CLBayerBasicImageHandler (const SmartPtr<CLContext> &context, const char *name);
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~CLBayerBasicImageHandler ();
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void set_stats_callback (SmartPtr<StatsCallback> &callback) {
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_stats_callback = callback;
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}
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bool set_bayer_kernel (SmartPtr<CLBayerBasicImageKernel> &kernel);
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bool set_blc_config (const XCam3aResultBlackLevel &blc);
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bool set_wb_config (const XCam3aResultWhiteBalance &wb);
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bool set_gamma_table (const XCam3aResultGammaTable &gamma);
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void set_stats_bits (uint32_t stats_bits);
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virtual void emit_stop ();
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XCamReturn post_stats (const SmartPtr<X3aStats> &stats);
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XCamReturn process_stats_buffer (SmartPtr<VideoBuffer> &buffer, SmartPtr<CLBuffer> &cl_stats);
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protected:
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virtual XCamReturn prepare_buffer_pool_video_info (
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const VideoBufferInfo &input, VideoBufferInfo &output);
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virtual XCamReturn prepare_parameters (
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SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output);
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virtual XCamReturn execute_done (SmartPtr<VideoBuffer> &output);
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private:
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SmartPtr<CLBayerBasicImageKernel> _bayer_kernel;
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bool _is_first_buf;
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CLBLCConfig _blc_config;
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CLWBConfig _wb_config;
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float _gamma_table[XCAM_GAMMA_TABLE_SIZE + 1];
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SmartPtr<CL3AStatsCalculatorContext> _3a_stats_context;
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SmartPtr<CLBayer3AStatsThread> _3a_stats_thread;
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SmartPtr<CLBuffer> _stats_cl_buffer;
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SmartPtr<StatsCallback> _stats_callback;
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XCAM_OBJ_PROFILING_DEFINES;
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};
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SmartPtr<CLImageHandler>
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create_cl_bayer_basic_image_handler (
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const SmartPtr<CLContext> &context,
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bool enable_gamma = true,
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uint32_t stats_bits = 8);
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};
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#endif //XCAM_CL_BAYER_BASIC_HANLDER_H
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