yading@10: /*
yading@10:  * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #ifndef AVFILTER_DESHAKE_H
yading@10: #define AVFILTER_DESHAKE_H
yading@10: 
yading@10: #include "config.h"
yading@10: #include "avfilter.h"
yading@10: #include "libavcodec/dsputil.h"
yading@10: #include "transform.h"
yading@10: #if CONFIG_OPENCL
yading@10: #include "libavutil/opencl.h"
yading@10: #endif
yading@10: 
yading@10: 
yading@10: enum SearchMethod {
yading@10:     EXHAUSTIVE,        ///< Search all possible positions
yading@10:     SMART_EXHAUSTIVE,  ///< Search most possible positions (faster)
yading@10:     SEARCH_COUNT
yading@10: };
yading@10: 
yading@10: typedef struct {
yading@10:     int x;             ///< Horizontal shift
yading@10:     int y;             ///< Vertical shift
yading@10: } IntMotionVector;
yading@10: 
yading@10: typedef struct {
yading@10:     double x;             ///< Horizontal shift
yading@10:     double y;             ///< Vertical shift
yading@10: } MotionVector;
yading@10: 
yading@10: typedef struct {
yading@10:     MotionVector vector;  ///< Motion vector
yading@10:     double angle;         ///< Angle of rotation
yading@10:     double zoom;          ///< Zoom percentage
yading@10: } Transform;
yading@10: 
yading@10: #if CONFIG_OPENCL
yading@10: 
yading@10: typedef struct {
yading@10:     size_t matrix_size;
yading@10:     float matrix_y[9];
yading@10:     float matrix_uv[9];
yading@10:     cl_mem cl_matrix_y;
yading@10:     cl_mem cl_matrix_uv;
yading@10:     int in_plane_size[8];
yading@10:     int out_plane_size[8];
yading@10:     int plane_num;
yading@10:     cl_mem cl_inbuf;
yading@10:     size_t cl_inbuf_size;
yading@10:     cl_mem cl_outbuf;
yading@10:     size_t cl_outbuf_size;
yading@10:     AVOpenCLKernelEnv kernel_env;
yading@10: } DeshakeOpenclContext;
yading@10: 
yading@10: #endif
yading@10: 
yading@10: typedef struct {
yading@10:     const AVClass *class;
yading@10:     AVFrame *ref;              ///< Previous frame
yading@10:     int rx;                    ///< Maximum horizontal shift
yading@10:     int ry;                    ///< Maximum vertical shift
yading@10:     int edge;                  ///< Edge fill method
yading@10:     int blocksize;             ///< Size of blocks to compare
yading@10:     int contrast;              ///< Contrast threshold
yading@10:     int search;                ///< Motion search method
yading@10:     AVCodecContext *avctx;
yading@10:     DSPContext c;              ///< Context providing optimized SAD methods
yading@10:     Transform last;            ///< Transform from last frame
yading@10:     int refcount;              ///< Number of reference frames (defines averaging window)
yading@10:     FILE *fp;
yading@10:     Transform avg;
yading@10:     int cw;                    ///< Crop motion search to this box
yading@10:     int ch;
yading@10:     int cx;
yading@10:     int cy;
yading@10:     char *filename;            ///< Motion search detailed log filename
yading@10:     int opencl;
yading@10: #if CONFIG_OPENCL
yading@10:     DeshakeOpenclContext opencl_ctx;
yading@10: #endif
yading@10:     int (* transform)(AVFilterContext *ctx, int width, int height, int cw, int ch,
yading@10:                       const float *matrix_y, const float *matrix_uv, enum InterpolateMethod interpolate,
yading@10:                       enum FillMethod fill, AVFrame *in, AVFrame *out);
yading@10: } DeshakeContext;
yading@10: 
yading@10: #endif /* AVFILTER_DESHAKE_H */