blob: becd6c248b26cffefd43dbfbc812a8553a9f45bd
1 | /* |
2 | * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com> |
3 | * Copyright (C) 2013 Lenny Wang |
4 | * |
5 | * This file is part of FFmpeg. |
6 | * |
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. |
11 | * |
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. |
16 | * |
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 |
20 | */ |
21 | |
22 | #ifndef AVFILTER_DESHAKE_H |
23 | #define AVFILTER_DESHAKE_H |
24 | |
25 | #include "config.h" |
26 | #include "avfilter.h" |
27 | #include "transform.h" |
28 | #include "libavutil/pixelutils.h" |
29 | #if CONFIG_OPENCL |
30 | #include "libavutil/opencl.h" |
31 | #endif |
32 | |
33 | |
34 | enum SearchMethod { |
35 | EXHAUSTIVE, ///< Search all possible positions |
36 | SMART_EXHAUSTIVE, ///< Search most possible positions (faster) |
37 | SEARCH_COUNT |
38 | }; |
39 | |
40 | typedef struct { |
41 | int x; ///< Horizontal shift |
42 | int y; ///< Vertical shift |
43 | } IntMotionVector; |
44 | |
45 | typedef struct { |
46 | double x; ///< Horizontal shift |
47 | double y; ///< Vertical shift |
48 | } MotionVector; |
49 | |
50 | typedef struct { |
51 | MotionVector vec; ///< Motion vector |
52 | double angle; ///< Angle of rotation |
53 | double zoom; ///< Zoom percentage |
54 | } Transform; |
55 | |
56 | #if CONFIG_OPENCL |
57 | |
58 | typedef struct { |
59 | cl_command_queue command_queue; |
60 | cl_program program; |
61 | cl_kernel kernel_luma; |
62 | cl_kernel kernel_chroma; |
63 | int in_plane_size[8]; |
64 | int out_plane_size[8]; |
65 | int plane_num; |
66 | cl_mem cl_inbuf; |
67 | size_t cl_inbuf_size; |
68 | cl_mem cl_outbuf; |
69 | size_t cl_outbuf_size; |
70 | } DeshakeOpenclContext; |
71 | |
72 | #endif |
73 | |
74 | #define MAX_R 64 |
75 | |
76 | typedef struct { |
77 | const AVClass *class; |
78 | int counts[2*MAX_R+1][2*MAX_R+1]; /// < Scratch buffer for motion search |
79 | double *angles; ///< Scratch buffer for block angles |
80 | unsigned angles_size; |
81 | AVFrame *ref; ///< Previous frame |
82 | int rx; ///< Maximum horizontal shift |
83 | int ry; ///< Maximum vertical shift |
84 | int edge; ///< Edge fill method |
85 | int blocksize; ///< Size of blocks to compare |
86 | int contrast; ///< Contrast threshold |
87 | int search; ///< Motion search method |
88 | av_pixelutils_sad_fn sad; ///< Sum of the absolute difference function |
89 | Transform last; ///< Transform from last frame |
90 | int refcount; ///< Number of reference frames (defines averaging window) |
91 | FILE *fp; |
92 | Transform avg; |
93 | int cw; ///< Crop motion search to this box |
94 | int ch; |
95 | int cx; |
96 | int cy; |
97 | char *filename; ///< Motion search detailed log filename |
98 | int opencl; |
99 | #if CONFIG_OPENCL |
100 | DeshakeOpenclContext opencl_ctx; |
101 | #endif |
102 | int (* transform)(AVFilterContext *ctx, int width, int height, int cw, int ch, |
103 | const float *matrix_y, const float *matrix_uv, enum InterpolateMethod interpolate, |
104 | enum FillMethod fill, AVFrame *in, AVFrame *out); |
105 | } DeshakeContext; |
106 | |
107 | #endif /* AVFILTER_DESHAKE_H */ |
108 |