1 files changed, 11 insertions, 0 deletions
diff --git a/media/libopus/celt/entenc.c b/media/libopus/celt/entenc.c
index f1750d25b8..69c6f835d0 100644
--- a/media/libopus/celt/entenc.c
+++ b/media/libopus/celt/entenc.c
@@ -172,6 +172,17 @@ void ec_enc_icdf(ec_enc *_this,int _s,const unsigned char *_icdf,unsigned _ftb){
   ec_enc_normalize(_this);
 }
 
+void ec_enc_icdf16(ec_enc *_this,int _s,const opus_uint16 *_icdf,unsigned _ftb){
+  opus_uint32 r;
+  r=_this->rng>>_ftb;
+  if(_s>0){
+    _this->val+=_this->rng-IMUL32(r,_icdf[_s-1]);
+    _this->rng=IMUL32(r,_icdf[_s-1]-_icdf[_s]);
+  }
+  else _this->rng-=IMUL32(r,_icdf[_s]);
+  ec_enc_normalize(_this);
+}
+
 void ec_enc_uint(ec_enc *_this,opus_uint32 _fl,opus_uint32 _ft){
   unsigned  ft;
   unsigned  fl;