From 3e6a862603b67de5d25e0950b9b141a9d6f487bf Mon Sep 17 00:00:00 2001
From: nick black <dankamongmen@gmail.com>
Date: Thu, 16 Jan 2020 23:35:16 -0500
Subject: [PATCH] libav: require alpha 192 to be visible

---
 src/lib/libav.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/lib/libav.c b/src/lib/libav.c
index b5e05c866..3dd1b7b06 100644
--- a/src/lib/libav.c
+++ b/src/lib/libav.c
@@ -300,10 +300,11 @@ ncvisual* ncvisual_open_plane(notcurses* nc, const char* filename,
   return ncv;
 }
 
-// alpha comes to us 0--255, but we have only 3 alpha values to map them to
+// alpha comes to us 0--255, but we have only 3 alpha values to map them to.
+// settled on experimentally.
 static inline bool
 ffmpeg_trans_p(unsigned char alpha){
-  if(alpha < 128){
+  if(alpha < 192){
     return true;
   }
   return false;