2 * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
4 * This file is part of FFmpeg.
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.
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.
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
21 #ifndef AVFILTER_UNSHARP_H
22 #define AVFILTER_UNSHARP_H
27 #include "libavutil/opencl.h"
30 #define MIN_MATRIX_SIZE 3
31 #define MAX_MATRIX_SIZE 63
33 /* right-shift and round-up */
34 #define SHIFTUP(x,shift) (-((-(x))>>(shift)))
40 cl_mem cl_chroma_mask;
42 int out_plane_size[8];
47 size_t cl_outbuf_size;
48 AVOpenCLKernelEnv kernel_env;
49 } UnsharpOpenclContext;
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
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)
73 UnsharpOpenclContext opencl_ctx;
75 int (* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out);
78 #endif /* AVFILTER_UNSHARP_H */