X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Faacdec_fixed.c;h=f6a533010f2ac3efff4addc9522a4d93d32d7259;hb=a6596831a03d4b56a485436f7c328a039509b8dd;hp=ccfef7f6526d7faf9ad5d51bc438321fcb9f4938;hpb=2dfb8c417891e0cc3670f8e0791ea0c7071314fe;p=ffmpeg

diff --git a/libavcodec/aacdec_fixed.c b/libavcodec/aacdec_fixed.c
index ccfef7f6526..f6a533010f2 100644
--- a/libavcodec/aacdec_fixed.c
+++ b/libavcodec/aacdec_fixed.c
@@ -305,8 +305,12 @@ static av_always_inline void predict(PredictorState *ps, int *coef,
     if (output_enable) {
         int shift = 28 - pv.exp;
 
-        if (shift < 31)
-            *coef += (pv.mant + (1 << (shift - 1))) >> shift;
+        if (shift < 31) {
+            if (shift > 0) {
+                *coef += (pv.mant + (1 << (shift - 1))) >> shift;
+            } else
+                *coef += pv.mant << -shift;
+        }
     }
 
     e0 = av_int2sf(*coef, 2);