diff --git a/libavfilter/af_volume.c b/libavfilter/af_volume.c
index 3f3ad47258..c8e88975e7 100644
--- a/libavfilter/af_volume.c
+++ b/libavfilter/af_volume.c
@@ -282,6 +282,8 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *buf)
         }
     }
 
+    emms_c();
+
     if (buf != out_buf)
         avfilter_unref_buffer(buf);
 
diff --git a/libavfilter/vf_gradfun.c b/libavfilter/vf_gradfun.c
index 79e149009d..b9fd50f826 100644
--- a/libavfilter/vf_gradfun.c
+++ b/libavfilter/vf_gradfun.c
@@ -117,6 +117,7 @@ static void filter(GradFunContext *ctx, uint8_t *dst, uint8_t *src, int width, i
         ctx->filter_line(dst + y * dst_linesize, src + y * src_linesize, dc - r / 2, width, thresh, dither[y & 7]);
         if (++y >= height) break;
     }
+    emms_c();
 }
 
 static av_cold int init(AVFilterContext *ctx, const char *args)
diff --git a/libavfilter/vf_hqdn3d.c b/libavfilter/vf_hqdn3d.c
index e2d90d53ab..ae794d8df0 100644
--- a/libavfilter/vf_hqdn3d.c
+++ b/libavfilter/vf_hqdn3d.c
@@ -155,6 +155,7 @@ static void denoise_depth(HQDN3DContext *hqdn3d,
     else
         denoise_temporal(src, dst, frame_ant,
                          w, h, sstride, dstride, temporal, depth);
+    emms_c();
 }
 
 #define denoise(...) \