diff options
-rw-r--r-- | libavfilter/vf_deshake.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/libavfilter/vf_deshake.c b/libavfilter/vf_deshake.c index b752fbf..bb20551 100644 --- a/libavfilter/vf_deshake.c +++ b/libavfilter/vf_deshake.c @@ -292,14 +292,15 @@ static void find_motion(DeshakeContext *deshake, uint8_t *src1, uint8_t *src2, } } - pos = FFMAX(1, pos); - - center_x /= pos; - center_y /= pos; - - t->angle = clean_mean(angles, pos); - if (t->angle < 0.001) - t->angle = 0; + if (pos) { + center_x /= pos; + center_y /= pos; + t->angle = clean_mean(angles, pos); + if (t->angle < 0.001) + t->angle = 0; + } else { + t->angle = 0; + } // Find the most common motion vector in the frame and use it as the gmv for (y = deshake->ry * 2; y >= 0; y--) { |