/* * 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 */