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  1. /*
  2.  * This file is part of FFmpeg.
  3.  *
  4.  * FFmpeg is free software; you can redistribute it and/or
  5.  * modify it under the terms of the GNU Lesser General Public
  6.  * License as published by the Free Software Foundation; either
  7.  * version 2.1 of the License, or (at your option) any later version.
  8.  *
  9.  * FFmpeg is distributed in the hope that it will be useful,
  10.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12.  * Lesser General Public License for more details.
  13.  *
  14.  * You should have received a copy of the GNU Lesser General Public
  15.  * License along with FFmpeg; if not, write to the Free Software
  16.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17.  */
  18.  
  19. #ifndef AVUTIL_MOTION_VECTOR_H
  20. #define AVUTIL_MOTION_VECTOR_H
  21.  
  22. #include <stdint.h>
  23.  
  24. typedef struct AVMotionVector {
  25.     /**
  26.      * Where the current macroblock comes from; negative value when it comes
  27.      * from the past, positive value when it comes from the future.
  28.      * XXX: set exact relative ref frame reference instead of a +/- 1 "direction".
  29.      */
  30.     int32_t source;
  31.     /**
  32.      * Width and height of the block.
  33.      */
  34.     uint8_t w, h;
  35.     /**
  36.      * Absolute source position. Can be outside the frame area.
  37.      */
  38.     int16_t src_x, src_y;
  39.     /**
  40.      * Absolute destination position. Can be outside the frame area.
  41.      */
  42.     int16_t dst_x, dst_y;
  43.     /**
  44.      * Extra flag information.
  45.      * Currently unused.
  46.      */
  47.     uint64_t flags;
  48. } AVMotionVector;
  49.  
  50. #endif /* AVUTIL_MOTION_VECTOR_H */
  51.