mirror of https://github.com/FFmpeg/FFmpeg.git
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>release/7.0
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/*
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* Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com> |
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* Copyright (C) 2013 Lenny Wang |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVFILTER_DESHAKE_H |
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#define AVFILTER_DESHAKE_H |
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#include "config.h" |
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#include "avfilter.h" |
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#include "transform.h" |
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#include "libavutil/pixelutils.h" |
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enum SearchMethod { |
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EXHAUSTIVE, ///< Search all possible positions
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SMART_EXHAUSTIVE, ///< Search most possible positions (faster)
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SEARCH_COUNT |
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}; |
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typedef struct IntMotionVector { |
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int x; ///< Horizontal shift
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int y; ///< Vertical shift
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} IntMotionVector; |
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typedef struct MotionVector { |
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double x; ///< Horizontal shift
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double y; ///< Vertical shift
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} MotionVector; |
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typedef struct Transform { |
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MotionVector vec; ///< Motion vector
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double angle; ///< Angle of rotation
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double zoom; ///< Zoom percentage
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} Transform; |
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#define MAX_R 64 |
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typedef struct DeshakeContext { |
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const AVClass *class; |
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int counts[2*MAX_R+1][2*MAX_R+1]; /// < Scratch buffer for motion search
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double *angles; ///< Scratch buffer for block angles
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unsigned angles_size; |
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AVFrame *ref; ///< Previous frame
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int rx; ///< Maximum horizontal shift
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int ry; ///< Maximum vertical shift
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int edge; ///< Edge fill method
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int blocksize; ///< Size of blocks to compare
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int contrast; ///< Contrast threshold
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int search; ///< Motion search method
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av_pixelutils_sad_fn sad; ///< Sum of the absolute difference function
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Transform last; ///< Transform from last frame
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int refcount; ///< Number of reference frames (defines averaging window)
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FILE *fp; |
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Transform avg; |
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int cw; ///< Crop motion search to this box
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int ch; |
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int cx; |
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int cy; |
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char *filename; ///< Motion search detailed log filename
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int opencl; |
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int (* transform)(AVFilterContext *ctx, int width, int height, int cw, int ch, |
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const float *matrix_y, const float *matrix_uv, enum InterpolateMethod interpolate, |
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enum FillMethod fill, AVFrame *in, AVFrame *out); |
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} DeshakeContext; |
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#endif /* AVFILTER_DESHAKE_H */ |
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