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      1 /*
      2  * cl_csc_handler.h - CL csc 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: wangfei <feix.w.wang (at) intel.com>
     19  */
     20 
     21 #ifndef XCAM_CL_CSC_HANLDER_H
     22 #define XCAM_CL_CSC_HANLDER_H
     23 
     24 #include <xcam_std.h>
     25 #include <base/xcam_3a_result.h>
     26 #include <ocl/cl_image_handler.h>
     27 
     28 namespace XCam {
     29 
     30 enum CLCscType {
     31     CL_CSC_TYPE_RGBATONV12,
     32     CL_CSC_TYPE_RGBATOLAB,
     33     CL_CSC_TYPE_RGBA64TORGBA,
     34     CL_CSC_TYPE_YUYVTORGBA,
     35     CL_CSC_TYPE_NV12TORGBA,
     36     CL_CSC_TYPE_MAX,
     37 };
     38 
     39 class CLCscImageKernel
     40     : public CLImageKernel
     41 {
     42 public:
     43     explicit CLCscImageKernel (const SmartPtr<CLContext> &context, CLCscType type);
     44 
     45 private:
     46     CLCscType               _kernel_csc_type;
     47 };
     48 
     49 class CLCscImageHandler
     50     : public CLImageHandler
     51 {
     52 public:
     53     explicit CLCscImageHandler (const SmartPtr<CLContext> &context, const char *name, CLCscType type);
     54     bool set_csc_kernel (SmartPtr<CLCscImageKernel> &kernel);
     55     bool set_matrix (const XCam3aResultColorMatrix &matrix);
     56     bool set_output_format (uint32_t fourcc);
     57 
     58 protected:
     59     virtual XCamReturn prepare_buffer_pool_video_info (
     60         const VideoBufferInfo &input,
     61         VideoBufferInfo &output);
     62     virtual XCamReturn prepare_parameters (SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output);
     63 
     64 private:
     65     XCAM_DEAD_COPY (CLCscImageHandler);
     66 
     67 private:
     68     float                       _rgbtoyuv_matrix[XCAM_COLOR_MATRIX_SIZE];
     69     uint32_t                    _output_format;
     70     CLCscType                   _csc_type;
     71     SmartPtr<CLCscImageKernel>  _csc_kernel;
     72 };
     73 
     74 SmartPtr<CLImageHandler>
     75 create_cl_csc_image_handler (const SmartPtr<CLContext> &context, CLCscType type);
     76 
     77 };
     78 
     79 #endif //XCAM_CL_CSC_HANLDER_H
     80