avfilter/vf_blend: fix incorrect Y variable when threading is used

Signed-off-by: Paul B Mahol <onemda@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/libavfilter/blend.h b/libavfilter/blend.h
index f0712ff250..54c4fdb6d1 100644
--- a/libavfilter/blend.h
+++ b/libavfilter/blend.h
@@ -70,7 +70,7 @@ typedef struct FilterParams {
                   const uint8_t *bottom, ptrdiff_t bottom_linesize,
                   uint8_t *dst, ptrdiff_t dst_linesize,
                   ptrdiff_t width, ptrdiff_t height,
-                  struct FilterParams *param, double *values);
+                  struct FilterParams *param, double *values, int starty);
 } FilterParams;
 
 void ff_blend_init(FilterParams *param, int is_16bit);