avfilter/vf_blend: add extremity blend mode

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

1 files changed, 1 insertions, 0 deletions

diff --git a/libavfilter/blend.h b/libavfilter/blend.h
index 54c4fdb6d1..0f27b4d29d 100644
--- a/libavfilter/blend.h
+++ b/libavfilter/blend.h
@@ -58,6 +58,7 @@ enum BlendMode {
     BLEND_MULTIPLY128,
     BLEND_HEAT,
     BLEND_FREEZE,
+    BLEND_EXTREMITY,
     BLEND_NB
 };