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  1. /*
  2.  * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #ifndef AVFILTER_UNSHARP_H
  22. #define AVFILTER_UNSHARP_H
  23.  
  24. #include "config.h"
  25. #include "avfilter.h"
  26. #if CONFIG_OPENCL
  27. #include "libavutil/opencl.h"
  28. #endif
  29.  
  30. #define MIN_MATRIX_SIZE 3
  31. #define MAX_MATRIX_SIZE 63
  32.  
  33. #if CONFIG_OPENCL
  34.  
  35. typedef struct {
  36.     cl_mem cl_luma_mask;
  37.     cl_mem cl_chroma_mask;
  38.     int in_plane_size[8];
  39.     int out_plane_size[8];
  40.     int plane_num;
  41.     cl_mem cl_inbuf;
  42.     size_t cl_inbuf_size;
  43.     cl_mem cl_outbuf;
  44.     size_t cl_outbuf_size;
  45.     AVOpenCLKernelEnv kernel_env;
  46. } UnsharpOpenclContext;
  47.  
  48. #endif
  49.  
  50. typedef struct UnsharpFilterParam {
  51.     int msize_x;                             ///< matrix width
  52.     int msize_y;                             ///< matrix height
  53.     int amount;                              ///< effect amount
  54.     int steps_x;                             ///< horizontal step count
  55.     int steps_y;                             ///< vertical step count
  56.     int scalebits;                           ///< bits to shift pixel
  57.     int32_t halfscale;                       ///< amount to add to pixel
  58.     uint32_t *sc[MAX_MATRIX_SIZE - 1];       ///< finite state machine storage
  59. } UnsharpFilterParam;
  60.  
  61. typedef struct {
  62.     const AVClass *class;
  63.     int lmsize_x, lmsize_y, cmsize_x, cmsize_y;
  64.     float lamount, camount;
  65.     UnsharpFilterParam luma;   ///< luma parameters (width, height, amount)
  66.     UnsharpFilterParam chroma; ///< chroma parameters (width, height, amount)
  67.     int hsub, vsub;
  68.     int opencl;
  69. #if CONFIG_OPENCL
  70.     UnsharpOpenclContext opencl_ctx;
  71. #endif
  72.     int (* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out);
  73. } UnsharpContext;
  74.  
  75. #endif /* AVFILTER_UNSHARP_H */
  76.