/*
  * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>

  * Copyright (C) 2013 Lenny Wang

  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef AVFILTER_UNSHARP_H
 #define AVFILTER_UNSHARP_H
 
 #include "config.h"
 #include "avfilter.h"
 #if CONFIG_OPENCL
 #include "libavutil/opencl.h"
 #endif
 
 #define MIN_MATRIX_SIZE 3
 #define MAX_MATRIX_SIZE 63
 
 #if CONFIG_OPENCL
 

 typedef struct UnsharpOpenclContext {

     cl_command_queue command_queue;
     cl_program program;

     cl_kernel kernel_default;
     cl_kernel kernel_luma;
     cl_kernel kernel_chroma;

     cl_mem cl_luma_mask;
     cl_mem cl_chroma_mask;

     cl_mem cl_luma_mask_x;
     cl_mem cl_chroma_mask_x;
     cl_mem cl_luma_mask_y;
     cl_mem cl_chroma_mask_y;

     int in_plane_size[8];
     int out_plane_size[8];
     int plane_num;
     cl_mem cl_inbuf;
     size_t cl_inbuf_size;
     cl_mem cl_outbuf;
     size_t cl_outbuf_size;

     int use_fast_kernels;

 } UnsharpOpenclContext;
 
 #endif
 
 typedef struct UnsharpFilterParam {
     int msize_x;                             ///< matrix width
     int msize_y;                             ///< matrix height
     int amount;                              ///< effect amount
     int steps_x;                             ///< horizontal step count
     int steps_y;                             ///< vertical step count
     int scalebits;                           ///< bits to shift pixel
     int32_t halfscale;                       ///< amount to add to pixel
     uint32_t *sc[MAX_MATRIX_SIZE - 1];       ///< finite state machine storage
 } UnsharpFilterParam;
 

 typedef struct UnsharpContext {

     const AVClass *class;
     int lmsize_x, lmsize_y, cmsize_x, cmsize_y;
     float lamount, camount;
     UnsharpFilterParam luma;   ///< luma parameters (width, height, amount)
     UnsharpFilterParam chroma; ///< chroma parameters (width, height, amount)
     int hsub, vsub;
     int opencl;
 #if CONFIG_OPENCL
     UnsharpOpenclContext opencl_ctx;
 #endif
     int (* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out);
 } UnsharpContext;
 
 #endif /* AVFILTER_UNSHARP_H */