X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fopus_celt.c;h=42623d9163994636c30b58c2cb578169efa39698;hb=2ce2462ba8575ce16363064aecfc9fe2f4396bba;hp=e5d615efbd1d9dd8ec61dc095e9ec0e13f4481b6;hpb=5a14fca9aacaf9ad4fd6b30792463949180e4300;p=ffmpeg

diff --git a/libavcodec/opus_celt.c b/libavcodec/opus_celt.c
index e5d615efbd1..42623d91639 100644
--- a/libavcodec/opus_celt.c
+++ b/libavcodec/opus_celt.c
@@ -1454,7 +1454,7 @@ static unsigned int celt_decode_band(CeltContext *s, OpusRangeCoder *rc,
         if (itheta == 0) {
             imid = 32767;
             iside = 0;
-            fill &= (1 << blocks) - 1;
+            fill = av_mod_uintp2(fill, blocks);
             delta = -16384;
         } else if (itheta == 16384) {
             imid = 0;
@@ -1666,7 +1666,7 @@ static unsigned int celt_decode_band(CeltContext *s, OpusRangeCoder *rc,
             for (j = 0; j < N0; j++)
                 lowband_out[j] = n * X[j];
         }
-        cm &= (1 << blocks) - 1;
+        cm = av_mod_uintp2(cm, blocks);
     }
     return cm;
 }