motion_vector.h (1770B)
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 /** 49 * Motion vector 50 * src_x = dst_x + motion_x / motion_scale 51 * src_y = dst_y + motion_y / motion_scale 52 */ 53 int32_t motion_x, motion_y; 54 uint16_t motion_scale; 55 } AVMotionVector; 56 57 #endif /* AVUTIL_MOTION_VECTOR_H */