1 /* 2 * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com> 3 * Copyright (C) 2013 Lenny Wang 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22 #ifndef AVFILTER_UNSHARP_H 23 #define AVFILTER_UNSHARP_H 24 25 #include "config.h" 26 27 #include "avfilter.h" 28 #if CONFIG_OPENCL 29 #include "libavutil/opencl.h" 30 #endif 31 32 #define MIN_MATRIX_SIZE 3 33 #define MAX_MATRIX_SIZE 63 34 35 #if CONFIG_OPENCL 36 37 typedef struct { 38 cl_command_queue command_queue; 39 cl_program program; 40 cl_kernel kernel_default; 41 cl_kernel kernel_luma; 42 cl_kernel kernel_chroma; 43 cl_mem cl_luma_mask; 44 cl_mem cl_chroma_mask; 45 int in_plane_size[8]; 46 int out_plane_size[8]; 47 int plane_num; 48 cl_mem cl_inbuf; 49 size_t cl_inbuf_size; 50 cl_mem cl_outbuf; 51 size_t cl_outbuf_size; 52 int use_fast_kernels; 53 } UnsharpOpenclContext; 54 55 #endif 56 57 typedef struct UnsharpFilterParam { 58 int msize_x; ///< matrix width 59 int msize_y; ///< matrix height 60 int amount; ///< effect amount 61 int steps_x; ///< horizontal step count 62 int steps_y; ///< vertical step count 63 int scalebits; ///< bits to shift pixel 64 int32_t halfscale; ///< amount to add to pixel 65 uint32_t *sc[MAX_MATRIX_SIZE - 1]; ///< finite state machine storage 66 } UnsharpFilterParam; 67 68 typedef struct UnsharpContext { 69 const AVClass *class; 70 int lmsize_x, lmsize_y, cmsize_x, cmsize_y; 71 float lamount, camount; 72 UnsharpFilterParam luma; ///< luma parameters (width, height, amount) 73 UnsharpFilterParam chroma; ///< chroma parameters (width, height, amount) 74 int hsub, vsub; 75 int opencl; 76 #if CONFIG_OPENCL 77 UnsharpOpenclContext opencl_ctx; 78 #endif 79 int (* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out); 80 } UnsharpContext; 81 82 #endif /* AVFILTER_UNSHARP_H */ 83