diff --git a/vp9/decoder/vp9_decoder.c b/vp9/decoder/vp9_decoder.c
index 385b2ebe5906f7e711635365837e9c1324a9e7ff..abcff9fb458bdd41937ee538b9264bc522f02fbc 100644
--- a/vp9/decoder/vp9_decoder.c
+++ b/vp9/decoder/vp9_decoder.c
@@ -331,10 +331,6 @@ int vp9_get_raw_frame(VP9Decoder *pbi, YV12_BUFFER_CONFIG *sd,
   ret = vp9_post_proc_frame(&pbi->common, sd, flags);
 #else
     *sd = *pbi->common.frame_to_show;
-    sd->y_width = pbi->common.width;
-    sd->y_height = pbi->common.height;
-    sd->uv_width = sd->y_width >> pbi->common.subsampling_x;
-    sd->uv_height = sd->y_height >> pbi->common.subsampling_y;
     ret = 0;
 #endif /*!CONFIG_POSTPROC*/
   vp9_clear_system_state();
diff --git a/vp9/vp9_iface_common.h b/vp9/vp9_iface_common.h
index 58256b22b3c351274eff38caef606db58394b7eb..d60883cc25dd4126f06335ea29c21d1590ac0bc8 100644
--- a/vp9/vp9_iface_common.h
+++ b/vp9/vp9_iface_common.h
@@ -16,9 +16,11 @@ static void yuvconfig2image(vpx_image_t *img, const YV12_BUFFER_CONFIG  *yv12,
     * the Y, U, and V planes, nor other alignment adjustments that
     * might be representable by a YV12_BUFFER_CONFIG, so we just
     * initialize all the fields.*/
-  int bps = 12;
-  if (yv12->uv_height == yv12->y_height) {
-    if (yv12->uv_width == yv12->y_width) {
+  const int ss_x = yv12->uv_crop_width < yv12->y_crop_width;
+  const int ss_y = yv12->uv_crop_height < yv12->y_crop_height;
+  int bps;
+  if (!ss_y) {
+    if (!ss_x) {
       img->fmt = VPX_IMG_FMT_I444;
       bps = 24;
     } else {
@@ -27,13 +29,14 @@ static void yuvconfig2image(vpx_image_t *img, const YV12_BUFFER_CONFIG  *yv12,
     }
   } else {
     img->fmt = VPX_IMG_FMT_I420;
+    bps = 12;
   }
   img->w = yv12->y_stride;
   img->h = ALIGN_POWER_OF_TWO(yv12->y_height + 2 * VP9_ENC_BORDER_IN_PIXELS, 3);
   img->d_w = yv12->y_crop_width;
   img->d_h = yv12->y_crop_height;
-  img->x_chroma_shift = yv12->uv_width < yv12->y_width;
-  img->y_chroma_shift = yv12->uv_height < yv12->y_height;
+  img->x_chroma_shift = ss_x;
+  img->y_chroma_shift = ss_y;
   img->planes[VPX_PLANE_Y] = yv12->y_buffer;
   img->planes[VPX_PLANE_U] = yv12->u_buffer;
   img->planes[VPX_PLANE_V] = yv12->v_buffer;