From d7c885774e067a90d82fd198ab0ccd7b9feeae4e Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Sun, 25 Sep 2022 01:19:59 -0500
Subject: [PATCH] update brrUtils - again

---
 src/engine/brrUtils.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/engine/brrUtils.c b/src/engine/brrUtils.c
index 0597e4509..761b3b0d7 100644
--- a/src/engine/brrUtils.c
+++ b/src/engine/brrUtils.c
@@ -102,8 +102,12 @@ long brrEncode(short* buf, unsigned char* out, long len, long loopStart) {
 #define DO_ONE_SAMPLE \
   if (next&8) next|=0xfffffff0; \
 \
-  next<<=(buf[0]>>4); /* range */ \
-  next>>=1; \
+  if (buf[0]>=0xd0) { /* invalid shift */ \
+    next=(next<0)?0xfffff800:0; \
+  } else { \
+    next<<=(buf[0]>>4); /* range */ \
+    next>>=1; \
+  } \
 \
   switch (control&0xc) { /* filter */ \
     case 0: \