IntMotionVector 122 libavfilter/vf_deshake.c IntMotionVector *mv) IntMotionVector 214 libavfilter/vf_deshake.c static double block_angle(int x, int y, int cx, int cy, IntMotionVector *shift) IntMotionVector 239 libavfilter/vf_deshake.c IntMotionVector mv = {0, 0};