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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 | +/* right-shift and round-up */ | |
| 34 | +#define SHIFTUP(x,shift) (-((-(x))>>(shift))) | |
| 35 | + | |
| 36 | +#if CONFIG_OPENCL | |
| 37 | + | |
| 38 | +typedef struct { | |
| 39 | + cl_mem cl_luma_mask; | |
| 40 | + cl_mem cl_chroma_mask; | |
| 41 | + int in_plane_size[8]; | |
| 42 | + int out_plane_size[8]; | |
| 43 | + int plane_num; | |
| 44 | + cl_mem cl_inbuf; | |
| 45 | + size_t cl_inbuf_size; | |
| 46 | + cl_mem cl_outbuf; | |
| 47 | + size_t cl_outbuf_size; | |
| 48 | + AVOpenCLKernelEnv kernel_env; | |
| 49 | +} UnsharpOpenclContext; | |
| 50 | + | |
| 51 | +#endif | |
| 52 | + | |
| 53 | +typedef struct UnsharpFilterParam { | |
| 54 | + int msize_x; ///< matrix width | |
| 55 | + int msize_y; ///< matrix height | |
| 56 | + int amount; ///< effect amount | |
| 57 | + int steps_x; ///< horizontal step count | |
| 58 | + int steps_y; ///< vertical step count | |
| 59 | + int scalebits; ///< bits to shift pixel | |
| 60 | + int32_t halfscale; ///< amount to add to pixel | |
| 61 | + uint32_t *sc[MAX_MATRIX_SIZE - 1]; ///< finite state machine storage | |
| 62 | +} UnsharpFilterParam; | |
| 63 | + | |
| 64 | +typedef struct { | |
| 65 | + const AVClass *class; | |
| 66 | + int lmsize_x, lmsize_y, cmsize_x, cmsize_y; | |
| 67 | + float lamount, camount; | |
| 68 | + UnsharpFilterParam luma; ///< luma parameters (width, height, amount) | |
| 69 | + UnsharpFilterParam chroma; ///< chroma parameters (width, height, amount) | |
| 70 | + int hsub, vsub; | |
| 71 | + int opencl; | |
| 72 | +#if CONFIG_OPENCL | |
| 73 | + UnsharpOpenclContext opencl_ctx; | |
| 74 | +#endif | |
| 75 | + int (* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out); | |
| 76 | +} UnsharpContext; | |
| 77 | + | |
| 78 | +#endif /* AVFILTER_UNSHARP_H */ | |