/* * 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 { 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 */