diff --git a/libmpcodecs/vf_divtc.c b/libmpcodecs/vf_divtc.c
index e04e7c0b4e..6faeb7c411 100644
--- a/libmpcodecs/vf_divtc.c
+++ b/libmpcodecs/vf_divtc.c
@@ -415,7 +415,7 @@ static int analyze(struct vf_priv_s *p)
       n++;
       }
 
-   if(!n)
+   if(n <= 15)
       {
       mp_msg(MSGT_VFILTER, MSGL_FATAL, "%s: Empty 2-pass log file.\n",
 	     vf_info_divtc.name);
diff --git a/libmpcodecs/vf_down3dright.c b/libmpcodecs/vf_down3dright.c
index 1119618e78..a263661592 100644
--- a/libmpcodecs/vf_down3dright.c
+++ b/libmpcodecs/vf_down3dright.c
@@ -100,12 +100,12 @@ static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts)
 {
 	mp_image_t *dmpi;
 
-	// hope we'll get DR buffer:
-	dmpi=vf_get_image(vf->next, IMGFMT_YV12,
-			  MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE |
-			  (vf->priv->scaleh == 1) ? MP_IMGFLAG_READABLE : 0,
-			  mpi->w * vf->priv->scalew,
-			  mpi->h / vf->priv->scaleh - vf->priv->skipline);
+        // hope we'll get DR buffer:
+        dmpi=vf_get_image(vf->next, IMGFMT_YV12,
+                          MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE |
+                          ((vf->priv->scaleh == 1) ? MP_IMGFLAG_READABLE : 0),
+                          mpi->w * vf->priv->scalew,
+                          mpi->h / vf->priv->scaleh - vf->priv->skipline);
 
 	toright(dmpi->planes, mpi->planes, dmpi->stride,
 		mpi->stride, mpi->w, mpi->h, vf->priv);
diff --git a/libmpcodecs/vf_ilpack.c b/libmpcodecs/vf_ilpack.c
index db4a849e1f..e98d70d85d 100644
--- a/libmpcodecs/vf_ilpack.c
+++ b/libmpcodecs/vf_ilpack.c
@@ -437,6 +437,7 @@ static int vf_open(vf_instance_t *vf, char *args)
         mp_msg(MSGT_VFILTER, MSGL_WARN,
             "ilpack: unknown mode %d (fallback to linear)\n",
             vf->priv->mode);
+        /* Fallthrough */
     case 1:
         vf->priv->pack[0] = pack_li_0;
         vf->priv->pack[1] = pack_li_1;
diff --git a/libmpcodecs/vf_phase.c b/libmpcodecs/vf_phase.c
index b9ea66c506..f5d937ef70 100644
--- a/libmpcodecs/vf_phase.c
+++ b/libmpcodecs/vf_phase.c
@@ -242,6 +242,8 @@ static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts)
 
 static void uninit(struct vf_instance *vf)
    {
+   if (!vf->priv)
+       return;
    free(vf->priv->buf[0]);
    free(vf->priv->buf[1]);
    free(vf->priv->buf[2]);
diff --git a/libmpcodecs/vf_softpulldown.c b/libmpcodecs/vf_softpulldown.c
index 5bd5e66bfd..d07f9d6e26 100644
--- a/libmpcodecs/vf_softpulldown.c
+++ b/libmpcodecs/vf_softpulldown.c
@@ -163,16 +163,13 @@ static void uninit(struct vf_instance *vf)
 
 static int vf_open(vf_instance_t *vf, char *args)
 {
-	struct vf_priv_s *p;
-	vf->config = config;
-	vf->put_image = put_image;
-	vf->uninit = uninit;
-	vf->default_reqs = VFCAP_ACCEPT_STRIDE;
-	vf->priv = p = calloc(1, sizeof(struct vf_priv_s));
-	vf->priv->state = 0;
-	vf->priv->last_frame_duration = 2;
-	vf_detc_init_pts_buf(&vf->priv->ptsbuf);
-	return 1;
+    vf->config = config;
+    vf->put_image = put_image;
+    vf->uninit = uninit;
+    vf->default_reqs = VFCAP_ACCEPT_STRIDE;
+    vf->priv = calloc(1, sizeof(struct vf_priv_s));
+    vf->priv->state = 0;
+    return 1;
 }
 
 const vf_info_t vf_info_softpulldown = {