[FFmpeg-devel] [PATCH 09/12] avfilter/vf_alphamerge: tag correct alpha mode

[Niklas Haas]

From: Niklas Haas <git at haasn.dev>

---
 libavfilter/vf_alphamerge.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavfilter/vf_alphamerge.c b/libavfilter/vf_alphamerge.c
index f5779484a9..98c61e282d 100644
--- a/libavfilter/vf_alphamerge.c
+++ b/libavfilter/vf_alphamerge.c
@@ -85,6 +85,8 @@ static int do_alphamerge(FFFrameSync *fs)
                             FFMIN(main_linesize, alpha_linesize), alpha_buf->height);
     }
 
+    main_buf->alpha_mode = AVALPHA_MODE_STRAIGHT;
+
     return ff_filter_frame(ctx->outputs[0], main_buf);
 }
 
-- 
2.47.0