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lavfi/unsharp: add opencl unsharp filter

highgod0401 committed 13 years ago

Commit cd134961 parent f31247c9 files · +592 −38Browse files

Showing the changes to libavfilter/unsharp.h (1 of 9 files). Show all

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libavfilter/unsharp.h+78−0
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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
38typedef 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
53typedef 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
64typedef 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 */

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