2 * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
3 * Copyright (C) 2013 Lenny Wang
5 * This file is part of FFmpeg.
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.
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.
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
22 #ifndef AVFILTER_UNSHARP_H
23 #define AVFILTER_UNSHARP_H
28 #include "libavutil/opencl.h"
31 #define MIN_MATRIX_SIZE 3
32 #define MAX_MATRIX_SIZE 63
37 cl_command_queue command_queue;
39 cl_kernel kernel_default;
40 cl_kernel kernel_luma;
41 cl_kernel kernel_chroma;
43 cl_mem cl_chroma_mask;
45 int out_plane_size[8];
50 size_t cl_outbuf_size;
52 } UnsharpOpenclContext;
56 typedef struct UnsharpFilterParam {
57 int msize_x; ///< matrix width
58 int msize_y; ///< matrix height
59 int amount; ///< effect amount
60 int steps_x; ///< horizontal step count
61 int steps_y; ///< vertical step count
62 int scalebits; ///< bits to shift pixel
63 int32_t halfscale; ///< amount to add to pixel
64 uint32_t *sc[MAX_MATRIX_SIZE - 1]; ///< finite state machine storage
67 typedef struct UnsharpContext {
69 int lmsize_x, lmsize_y, cmsize_x, cmsize_y;
70 float lamount, camount;
71 UnsharpFilterParam luma; ///< luma parameters (width, height, amount)
72 UnsharpFilterParam chroma; ///< chroma parameters (width, height, amount)
76 UnsharpOpenclContext opencl_ctx;
78 int (* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out);
81 #endif /* AVFILTER_UNSHARP_H */