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      1 /*
      2  * cl_bayer_pipe_handler.h - CL bayer pipe 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 (at) intel.com>
     19  * Author: wangfei <feix.w.wang (at) intel.com>
     20  * Author: Shincy Tu <shincy.tu (at) intel.com>
     21  */
     22 
     23 #ifndef XCAM_CL_BAYER_PIPE_HANDLER_H
     24 #define XCAM_CL_BAYER_PIPE_HANDLER_H
     25 
     26 #include <xcam_std.h>
     27 #include <stats_callback_interface.h>
     28 #include <x3a_stats_pool.h>
     29 #include <ocl/cl_context.h>
     30 #include <ocl/cl_image_handler.h>
     31 #include <ocl/cl_3a_stats_context.h>
     32 
     33 #define XCAM_BNR_TABLE_SIZE 64
     34 
     35 namespace XCam {
     36 
     37 class CLBayerPipeImageHandler;
     38 
     39 typedef struct
     40 {
     41     float           ee_gain;
     42     float           ee_threshold;
     43     float           nr_gain;
     44 } CLEeConfig;
     45 
     46 class CLBayerPipeImageKernel
     47     : public CLImageKernel
     48 {
     49 public:
     50     explicit CLBayerPipeImageKernel (
     51         const SmartPtr<CLContext> &context,
     52         SmartPtr<CLBayerPipeImageHandler> &handler);
     53 
     54 private:
     55     SmartPtr<CLBayerPipeImageHandler>     _handler;
     56 };
     57 
     58 class CLBayerPipeImageHandler
     59     : public CLImageHandler
     60 {
     61     friend class CLBayerPipeImageKernel;
     62 
     63 public:
     64     explicit CLBayerPipeImageHandler (const SmartPtr<CLContext> &context, const char *name);
     65     bool set_bayer_kernel (SmartPtr<CLBayerPipeImageKernel> &kernel);
     66     bool set_ee_config (const XCam3aResultEdgeEnhancement &ee);
     67     bool set_bnr_config (const XCam3aResultBayerNoiseReduction &bnr);
     68     bool set_output_format (uint32_t fourcc);
     69     bool enable_denoise (bool enable);
     70 
     71 protected:
     72     virtual XCamReturn prepare_buffer_pool_video_info (
     73         const VideoBufferInfo &input, VideoBufferInfo &output);
     74     virtual XCamReturn prepare_parameters (
     75         SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output);
     76 
     77 private:
     78     XCAM_DEAD_COPY (CLBayerPipeImageHandler);
     79 
     80 private:
     81     SmartPtr<CLBayerPipeImageKernel>   _bayer_kernel;
     82     uint32_t                           _output_format;
     83 
     84     uint32_t                           _enable_denoise;
     85     float                              _bnr_table[XCAM_BNR_TABLE_SIZE];
     86     CLEeConfig                         _ee_config;
     87 };
     88 
     89 SmartPtr<CLImageHandler>
     90 create_cl_bayer_pipe_image_handler (const SmartPtr<CLContext> &context);
     91 
     92 };
     93 
     94 #endif //XCAM_CL_BAYER_PIPE_HANDLER_H
     95