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58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVUTIL_MOTION_VECTOR_H
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#define AVUTIL_MOTION_VECTOR_H
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#include <stdint.h>
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typedef struct AVMotionVector {
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/**
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* Where the current macroblock comes from; negative value when it comes
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* from the past, positive value when it comes from the future.
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* XXX: set exact relative ref frame reference instead of a +/- 1 "direction".
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*/
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int32_t source;
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/**
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* Width and height of the block.
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*/
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uint8_t w, h;
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/**
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* Absolute source position. Can be outside the frame area.
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*/
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int16_t src_x, src_y;
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/**
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* Absolute destination position. Can be outside the frame area.
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*/
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int16_t dst_x, dst_y;
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/**
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* Extra flag information.
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* Currently unused.
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*/
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uint64_t flags;
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/**
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* Motion vector
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* src_x = dst_x + motion_x / motion_scale
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* src_y = dst_y + motion_y / motion_scale
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*/
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int32_t motion_x, motion_y;
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uint16_t motion_scale;
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} AVMotionVector;
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#endif /* AVUTIL_MOTION_VECTOR_H */
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