diff --git a/libavfilter/af_volume.c b/libavfilter/af_volume.c
index 8b5d4c404a..4ec78b1486 100644
--- a/libavfilter/af_volume.c
+++ b/libavfilter/af_volume.c
@@ -389,6 +389,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
         }
     }
 
+    emms_c();
+
     if (buf != out_buf)
         av_frame_free(&buf);
 
diff --git a/libavfilter/vf_hqdn3d.c b/libavfilter/vf_hqdn3d.c
index 518a23d424..f96f2384c4 100644
--- a/libavfilter/vf_hqdn3d.c
+++ b/libavfilter/vf_hqdn3d.c
@@ -147,6 +147,7 @@ static void denoise_depth(HQDN3DContext *s,
     else
         denoise_temporal(src, dst, frame_ant,
                          w, h, sstride, dstride, temporal, depth);
+    emms_c();
 }
 
 #define denoise(...) \