| /* |
| * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com> |
| * Copyright (C) 2013 Lenny Wang |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef AVFILTER_DESHAKE_H |
| #define AVFILTER_DESHAKE_H |
| |
| #include "config.h" |
| #include "avfilter.h" |
| #include "transform.h" |
| #include "libavutil/pixelutils.h" |
| #if CONFIG_OPENCL |
| #include "libavutil/opencl.h" |
| #endif |
| |
| |
| enum SearchMethod { |
| EXHAUSTIVE, ///< Search all possible positions |
| SMART_EXHAUSTIVE, ///< Search most possible positions (faster) |
| SEARCH_COUNT |
| }; |
| |
| typedef struct { |
| int x; ///< Horizontal shift |
| int y; ///< Vertical shift |
| } IntMotionVector; |
| |
| typedef struct { |
| double x; ///< Horizontal shift |
| double y; ///< Vertical shift |
| } MotionVector; |
| |
| typedef struct { |
| MotionVector vec; ///< Motion vector |
| double angle; ///< Angle of rotation |
| double zoom; ///< Zoom percentage |
| } Transform; |
| |
| #if CONFIG_OPENCL |
| |
| typedef struct { |
| cl_command_queue command_queue; |
| cl_program program; |
| cl_kernel kernel_luma; |
| cl_kernel kernel_chroma; |
| int in_plane_size[8]; |
| int out_plane_size[8]; |
| int plane_num; |
| cl_mem cl_inbuf; |
| size_t cl_inbuf_size; |
| cl_mem cl_outbuf; |
| size_t cl_outbuf_size; |
| } DeshakeOpenclContext; |
| |
| #endif |
| |
| #define MAX_R 64 |
| |
| typedef struct { |
| const AVClass *class; |
| int counts[2*MAX_R+1][2*MAX_R+1]; /// < Scratch buffer for motion search |
| double *angles; ///< Scratch buffer for block angles |
| unsigned angles_size; |
| AVFrame *ref; ///< Previous frame |
| int rx; ///< Maximum horizontal shift |
| int ry; ///< Maximum vertical shift |
| int edge; ///< Edge fill method |
| int blocksize; ///< Size of blocks to compare |
| int contrast; ///< Contrast threshold |
| int search; ///< Motion search method |
| av_pixelutils_sad_fn sad; ///< Sum of the absolute difference function |
| Transform last; ///< Transform from last frame |
| int refcount; ///< Number of reference frames (defines averaging window) |
| FILE *fp; |
| Transform avg; |
| int cw; ///< Crop motion search to this box |
| int ch; |
| int cx; |
| int cy; |
| char *filename; ///< Motion search detailed log filename |
| int opencl; |
| #if CONFIG_OPENCL |
| DeshakeOpenclContext opencl_ctx; |
| #endif |
| int (* transform)(AVFilterContext *ctx, int width, int height, int cw, int ch, |
| const float *matrix_y, const float *matrix_uv, enum InterpolateMethod interpolate, |
| enum FillMethod fill, AVFrame *in, AVFrame *out); |
| } DeshakeContext; |
| |
| #endif /* AVFILTER_DESHAKE_H */ |