diff --git a/gst-libs/gst/video/video-converter.c b/gst-libs/gst/video/video-converter.c
index feab73a1da..98b1599a5d 100644
--- a/gst-libs/gst/video/video-converter.c
+++ b/gst-libs/gst/video/video-converter.c
@@ -1099,7 +1099,7 @@ chain_vscale (GstVideoConverter * convert, GstLineCache * prev)
   gst_video_scaler_get_coeff (convert->v_scaler, 0, NULL, &taps);
 
   GST_DEBUG ("chain vscale %d->%d, taps %d, method %d",
-      convert->in_width, convert->out_height, taps, method);
+      convert->in_height, convert->out_height, taps, method);
 
   prev = convert->vscale_lines = gst_line_cache_new (prev);
   prev->pass_alloc = (taps == 1);
diff --git a/gst-libs/gst/video/video-info.c b/gst-libs/gst/video/video-info.c
index b048e6e7b4..ccdf4a4fb2 100644
--- a/gst-libs/gst/video/video-info.c
+++ b/gst-libs/gst/video/video-info.c
@@ -72,6 +72,28 @@ static const GstVideoColorimetry default_color[] = {
   MAKE_COLORIMETRY (_UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN),
 };
 
+static void
+set_default_colorimetry (GstVideoInfo * info)
+{
+  const GstVideoFormatInfo *finfo = info->finfo;
+
+  if (GST_VIDEO_FORMAT_INFO_IS_YUV (finfo)) {
+    if (info->height > 576) {
+      info->chroma_site = GST_VIDEO_CHROMA_SITE_H_COSITED;
+      info->colorimetry = default_color[DEFAULT_YUV_HD];
+    } else {
+      info->chroma_site = GST_VIDEO_CHROMA_SITE_NONE;
+      info->colorimetry = default_color[DEFAULT_YUV_SD];
+    }
+  } else if (GST_VIDEO_FORMAT_INFO_IS_GRAY (finfo)) {
+    info->colorimetry = default_color[DEFAULT_GRAY];
+  } else if (GST_VIDEO_FORMAT_INFO_IS_RGB (finfo)) {
+    info->colorimetry = default_color[DEFAULT_RGB];
+  } else {
+    info->colorimetry = default_color[DEFAULT_UNKNOWN];
+  }
+}
+
 /**
  * gst_video_info_set_format:
  * @info: a #GstVideoInfo
@@ -87,35 +109,16 @@ void
 gst_video_info_set_format (GstVideoInfo * info, GstVideoFormat format,
     guint width, guint height)
 {
-  const GstVideoFormatInfo *finfo;
-
   g_return_if_fail (info != NULL);
   g_return_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN);
 
   gst_video_info_init (info);
 
-  finfo = gst_video_format_get_info (format);
-
-  info->flags = 0;
-  info->finfo = finfo;
+  info->finfo = gst_video_format_get_info (format);
   info->width = width;
   info->height = height;
 
-  if (GST_VIDEO_FORMAT_INFO_IS_YUV (finfo)) {
-    if (height > 576) {
-      info->chroma_site = GST_VIDEO_CHROMA_SITE_H_COSITED;
-      info->colorimetry = default_color[DEFAULT_YUV_HD];
-    } else {
-      info->chroma_site = GST_VIDEO_CHROMA_SITE_NONE;
-      info->colorimetry = default_color[DEFAULT_YUV_SD];
-    }
-  } else if (GST_VIDEO_FORMAT_INFO_IS_GRAY (finfo)) {
-    info->colorimetry = default_color[DEFAULT_GRAY];
-  } else if (GST_VIDEO_FORMAT_INFO_IS_RGB (finfo)) {
-    info->colorimetry = default_color[DEFAULT_RGB];
-  } else {
-    info->colorimetry = default_color[DEFAULT_UNKNOWN];
-  }
+  set_default_colorimetry (info);
 
   fill_planes (info);
 }
@@ -197,7 +200,11 @@ gst_video_info_from_caps (GstVideoInfo * info, const GstCaps * caps)
       format != GST_VIDEO_FORMAT_ENCODED)
     goto no_height;
 
-  gst_video_info_set_format (info, format, width, height);
+  gst_video_info_init (info);
+
+  info->finfo = gst_video_format_get_info (format);
+  info->width = width;
+  info->height = height;
 
   if (gst_structure_get_fraction (structure, "framerate", &fps_n, &fps_d)) {
     if (fps_n == 0) {
@@ -231,6 +238,8 @@ gst_video_info_from_caps (GstVideoInfo * info, const GstCaps * caps)
 
   if ((s = gst_structure_get_string (structure, "colorimetry")))
     gst_video_colorimetry_from_string (&info->colorimetry, s);
+  else
+    set_default_colorimetry (info);
 
   if (gst_structure_get_fraction (structure, "pixel-aspect-ratio",
           &par_n, &par_d)) {
@@ -240,6 +249,8 @@ gst_video_info_from_caps (GstVideoInfo * info, const GstCaps * caps)
     info->par_n = 1;
     info->par_d = 1;
   }
+  fill_planes (info);
+
   return TRUE;
 
   /* ERROR */
@@ -376,7 +387,7 @@ gst_video_info_to_caps (GstVideoInfo * info)
 static int
 fill_planes (GstVideoInfo * info)
 {
-  gsize width, height;
+  gsize width, height, cr_h;
 
   width = (gsize) info->width;
   height = (gsize) info->height;
@@ -470,10 +481,13 @@ fill_planes (GstVideoInfo * info)
       info->stride[2] = info->stride[1];
       info->offset[0] = 0;
       info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
-      info->offset[2] = info->offset[1] +
-          info->stride[1] * (GST_ROUND_UP_2 (height) / 2);
-      info->size = info->offset[2] +
-          info->stride[2] * (GST_ROUND_UP_2 (height) / 2);
+      cr_h = GST_ROUND_UP_2 (height) / 2;
+      if (GST_VIDEO_INFO_IS_INTERLACED (info))
+        cr_h = GST_ROUND_UP_2 (cr_h);
+      info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
+      info->size = info->offset[2] + info->stride[2] * cr_h;
+      GST_DEBUG ("%d %d %d", GST_VIDEO_INFO_IS_INTERLACED (info),
+          (int) info->offset[2], (int) info->size);
       break;
     case GST_VIDEO_FORMAT_Y41B:
       info->stride[0] = GST_ROUND_UP_4 (width);
@@ -511,7 +525,10 @@ fill_planes (GstVideoInfo * info)
       info->stride[1] = info->stride[0];
       info->offset[0] = 0;
       info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
-      info->size = info->stride[0] * GST_ROUND_UP_2 (height) * 3 / 2;
+      cr_h = GST_ROUND_UP_2 (height) / 2;
+      if (GST_VIDEO_INFO_IS_INTERLACED (info))
+        cr_h = GST_ROUND_UP_2 (cr_h);
+      info->size = info->offset[1] + info->stride[0] * cr_h;
       break;
     case GST_VIDEO_FORMAT_NV16:
       info->stride[0] = GST_ROUND_UP_4 (width);
@@ -534,10 +551,11 @@ fill_planes (GstVideoInfo * info)
       info->stride[3] = info->stride[0];
       info->offset[0] = 0;
       info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
-      info->offset[2] = info->offset[1] +
-          info->stride[1] * (GST_ROUND_UP_2 (height) / 2);
-      info->offset[3] = info->offset[2] +
-          info->stride[2] * (GST_ROUND_UP_2 (height) / 2);
+      cr_h = GST_ROUND_UP_2 (height) / 2;
+      if (GST_VIDEO_INFO_IS_INTERLACED (info))
+        cr_h = GST_ROUND_UP_2 (cr_h);
+      info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
+      info->offset[3] = info->offset[2] + info->stride[2] * cr_h;
       info->size = info->offset[3] + info->stride[0] * GST_ROUND_UP_2 (height);
       break;
     case GST_VIDEO_FORMAT_YUV9:
@@ -547,10 +565,11 @@ fill_planes (GstVideoInfo * info)
       info->stride[2] = info->stride[1];
       info->offset[0] = 0;
       info->offset[1] = info->stride[0] * height;
-      info->offset[2] = info->offset[1] +
-          info->stride[1] * (GST_ROUND_UP_4 (height) / 4);
-      info->size = info->offset[2] +
-          info->stride[2] * (GST_ROUND_UP_4 (height) / 4);
+      cr_h = GST_ROUND_UP_4 (height) / 4;
+      if (GST_VIDEO_INFO_IS_INTERLACED (info))
+        cr_h = GST_ROUND_UP_2 (cr_h);
+      info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
+      info->size = info->offset[2] + info->stride[2] * cr_h;
       break;
     case GST_VIDEO_FORMAT_I420_10LE:
     case GST_VIDEO_FORMAT_I420_10BE:
@@ -559,10 +578,11 @@ fill_planes (GstVideoInfo * info)
       info->stride[2] = info->stride[1];
       info->offset[0] = 0;
       info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
-      info->offset[2] = info->offset[1] +
-          info->stride[1] * (GST_ROUND_UP_2 (height) / 2);
-      info->size = info->offset[2] +
-          info->stride[2] * (GST_ROUND_UP_2 (height) / 2);
+      cr_h = GST_ROUND_UP_2 (height) / 2;
+      if (GST_VIDEO_INFO_IS_INTERLACED (info))
+        cr_h = GST_ROUND_UP_2 (cr_h);
+      info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
+      info->size = info->offset[2] + info->stride[2] * cr_h;
       break;
     case GST_VIDEO_FORMAT_I422_10LE:
     case GST_VIDEO_FORMAT_I422_10BE: