diff --git a/libavfilter/vf_gradfun.c b/libavfilter/vf_gradfun.c
index ac23d4267f..93ac76824b 100644
--- a/libavfilter/vf_gradfun.c
+++ b/libavfilter/vf_gradfun.c
@@ -201,12 +201,13 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *in)
     GradFunContext *gf = inlink->dst->priv;
     AVFilterLink *outlink = inlink->dst->outputs[0];
     AVFilterBufferRef *out;
-    int p, direct = 0;
+    int p, direct;
 
     if (in->perms & AV_PERM_WRITE) {
         direct = 1;
         out = in;
     } else {
+        direct = 0;
         out = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
         if (!out) {
             avfilter_unref_bufferp(&in);
diff --git a/libavfilter/vf_hqdn3d.c b/libavfilter/vf_hqdn3d.c
index 4da80b4858..15d63bab1c 100644
--- a/libavfilter/vf_hqdn3d.c
+++ b/libavfilter/vf_hqdn3d.c
@@ -50,9 +50,10 @@ void ff_hqdn3d_row_10_x86(uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16
 void ff_hqdn3d_row_16_x86(uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t *frame_ant, ptrdiff_t w, int16_t *spatial, int16_t *temporal);
 
 #define LUT_BITS (depth==16 ? 8 : 4)
-#define LOAD(x) (((depth==8 ? src[x] : AV_RN16A(src+(x)*2)) << (16-depth)) + (((1<<(16-depth))-1)>>1))
-#define STORE(x,val) (depth==8 ? dst[x] = (val) >> (16-depth)\
-                    : AV_WN16A(dst+(x)*2, (val) >> (16-depth)))
+#define LOAD(x) (((depth == 8 ? src[x] : AV_RN16A(src + (x) * 2)) << (16 - depth))\
+                 + (((1 << (16 - depth)) - 1) >> 1))
+#define STORE(x,val) (depth == 8 ? dst[x] = (val) >> (16 - depth) : \
+                                   AV_WN16A(dst + (x) * 2, (val) >> (16 - depth)))
 
 av_always_inline
 static uint32_t lowpass(int prev, int cur, int16_t *coef, int depth)