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_DESHAKE_H
23 #define AVFILTER_DESHAKE_H
27 #include "transform.h"
28 #include "libavutil/pixelutils.h"
30 #include "libavutil/opencl.h"
35 EXHAUSTIVE
, ///< Search all possible positions
36 SMART_EXHAUSTIVE
, ///< Search most possible positions (faster)
41 int x
; ///< Horizontal shift
42 int y
; ///< Vertical shift
46 double x
; ///< Horizontal shift
47 double y
; ///< Vertical shift
51 MotionVector vec
; ///< Motion vector
52 double angle
; ///< Angle of rotation
53 double zoom
; ///< Zoom percentage
59 cl_command_queue command_queue
;
61 cl_kernel kernel_luma
;
62 cl_kernel kernel_chroma
;
64 int out_plane_size
[8];
69 size_t cl_outbuf_size
;
70 } DeshakeOpenclContext
;
78 int counts
[2*MAX_R
+1][2*MAX_R
+1]; /// < Scratch buffer for motion search
79 double *angles
; ///< Scratch buffer for block angles
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)
93 int cw
; ///< Crop motion search to this box
97 char *filename
; ///< Motion search detailed log filename
100 DeshakeOpenclContext opencl_ctx
;
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
);
107 #endif /* AVFILTER_DESHAKE_H */