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/*
* 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 AVUTIL_MOTION_VECTOR_H
#define AVUTIL_MOTION_VECTOR_H
#include <stdint.h>
typedef struct AVMotionVector {
/**
* Where the current macroblock comes from; negative value when it comes
* from the past, positive value when it comes from the future.
* XXX: set exact relative ref frame reference instead of a +/- 1 "direction".
*/
int32_t source;
/**
* Width and height of the block.
*/
uint8_t w, h;
/**
* Absolute source position. Can be outside the frame area.
*/
int16_t src_x, src_y;
/**
* Absolute destination position. Can be outside the frame area.
*/
int16_t dst_x, dst_y;
/**
* Extra flag information.
* Currently unused.
*/
uint64_t flags;
/**
* Motion vector
* src_x = dst_x + motion_x / motion_scale
* src_y = dst_y + motion_y / motion_scale
*/
int32_t motion_x, motion_y;
uint16_t motion_scale;
} AVMotionVector;
#endif /* AVUTIL_MOTION_VECTOR_H */
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