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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6147 | serge | 1 | /* |
| 2 | * Copyright (C) 2013 Wei Gao |
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| 3 | * Copyright (C) 2013 Lenny Wang |
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| 4 | * |
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| 5 | * This file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | |||
| 22 | #ifndef AVFILTER_DESHAKE_H |
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| 23 | #define AVFILTER_DESHAKE_H |
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| 24 | |||
| 25 | #include "config.h" |
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| 26 | #include "avfilter.h" |
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| 27 | #include "transform.h" |
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| 28 | #include "libavutil/pixelutils.h" |
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| 29 | #if CONFIG_OPENCL |
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| 30 | #include "libavutil/opencl.h" |
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| 31 | #endif |
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| 32 | |||
| 33 | |||
| 34 | enum SearchMethod { |
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| 35 | EXHAUSTIVE, ///< Search all possible positions |
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| 36 | SMART_EXHAUSTIVE, ///< Search most possible positions (faster) |
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| 37 | SEARCH_COUNT |
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| 38 | }; |
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| 39 | |||
| 40 | typedef struct { |
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| 41 | int x; ///< Horizontal shift |
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| 42 | int y; ///< Vertical shift |
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| 43 | } IntMotionVector; |
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| 44 | |||
| 45 | typedef struct { |
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| 46 | double x; ///< Horizontal shift |
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| 47 | double y; ///< Vertical shift |
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| 48 | } MotionVector; |
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| 49 | |||
| 50 | typedef struct { |
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| 51 | MotionVector vec; ///< Motion vector |
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| 52 | double angle; ///< Angle of rotation |
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| 53 | double zoom; ///< Zoom percentage |
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| 54 | } Transform; |
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| 55 | |||
| 56 | #if CONFIG_OPENCL |
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| 57 | |||
| 58 | typedef struct { |
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| 59 | cl_command_queue command_queue; |
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| 60 | cl_program program; |
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| 61 | cl_kernel kernel_luma; |
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| 62 | cl_kernel kernel_chroma; |
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| 63 | int in_plane_size[8]; |
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| 64 | int out_plane_size[8]; |
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| 65 | int plane_num; |
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| 66 | cl_mem cl_inbuf; |
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| 67 | size_t cl_inbuf_size; |
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| 68 | cl_mem cl_outbuf; |
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| 69 | size_t cl_outbuf_size; |
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| 70 | } DeshakeOpenclContext; |
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| 71 | |||
| 72 | #endif |
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| 73 | |||
| 74 | #define MAX_R 64 |
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| 75 | |||
| 76 | typedef struct { |
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| 77 | const AVClass *class; |
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| 78 | int counts[2*MAX_R+1][2*MAX_R+1]; /// < Scratch buffer for motion search |
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| 79 | double *angles; ///< Scratch buffer for block angles |
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| 80 | unsigned angles_size; |
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| 81 | AVFrame *ref; ///< Previous frame |
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| 82 | int rx; ///< Maximum horizontal shift |
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| 83 | int ry; ///< Maximum vertical shift |
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| 84 | int edge; ///< Edge fill method |
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| 85 | int blocksize; ///< Size of blocks to compare |
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| 86 | int contrast; ///< Contrast threshold |
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| 87 | int search; ///< Motion search method |
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| 88 | av_pixelutils_sad_fn sad; ///< Sum of the absolute difference function |
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| 89 | Transform last; ///< Transform from last frame |
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| 90 | int refcount; ///< Number of reference frames (defines averaging window) |
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| 91 | FILE *fp; |
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| 92 | Transform avg; |
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| 93 | int cw; ///< Crop motion search to this box |
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| 94 | int ch; |
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| 95 | int cx; |
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| 96 | int cy; |
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| 97 | char *filename; ///< Motion search detailed log filename |
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| 98 | int opencl; |
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| 99 | #if CONFIG_OPENCL |
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| 100 | DeshakeOpenclContext opencl_ctx; |
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| 101 | #endif |
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| 102 | int (* transform)(AVFilterContext *ctx, int width, int height, int cw, int ch, |
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| 103 | const float *matrix_y, const float *matrix_uv, enum InterpolateMethod interpolate, |
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| 104 | enum FillMethod fill, AVFrame *in, AVFrame *out); |
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| 105 | } DeshakeContext; |
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| 106 | |||
| 107 | #endif /* AVFILTER_DESHAKE_H */ |