From 3c8c667d352fc7522c3f15e8280c7cce614fbadd Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Sat, 18 Aug 2018 14:14:45 +0200
Subject: [PATCH] codecs: make IPB shuffler provide non-confusing references
 for B-frames

---
 src/codecs/mod.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/codecs/mod.rs b/src/codecs/mod.rs
index 4897a7b..796973c 100644
--- a/src/codecs/mod.rs
+++ b/src/codecs/mod.rs
@@ -138,6 +138,22 @@ impl IPBShuffler {
             None
         }
     }
+    #[allow(dead_code)]
+    fn get_b_fwdref(&mut self) -> Option<NAVideoBuffer<u8>> {
+        if let Some(ref frm) = self.nextframe {
+            Some(frm.clone())
+        } else {
+            None
+        }
+    }
+    #[allow(dead_code)]
+    fn get_b_bwdref(&mut self) -> Option<NAVideoBuffer<u8>> {
+        if let Some(ref frm) = self.lastframe {
+            Some(frm.clone())
+        } else {
+            None
+        }
+    }
 }
 
 #[derive(Debug,Clone,Copy)]
-- 
2.39.5