libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_postproc.c

 /*
  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 393 matching lines @@
   if (!cm->frame_to_show)
     return -1;
 
   if (!flags) {
     *dest = *cm->frame_to_show;
     return 0;
   }
 
   vp9_clear_system_state();
 
+#if CONFIG_VP9_POSTPROC || CONFIG_INTERNAL_STATS
+  if (vp9_realloc_frame_buffer(&cm->post_proc_buffer, cm->width, cm->height,
+                               cm->subsampling_x, cm->subsampling_y,
+                               VP9_DEC_BORDER_IN_PIXELS, NULL, NULL, NULL) < 0)
+    vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
+                       "Failed to allocate post-processing buffer");
+#endif
+
   if (flags & VP9D_DEMACROBLOCK) {
     deblock_and_de_macro_block(cm->frame_to_show, ppbuf,
                                q + (ppflags->deblocking_level - 5) * 10, 1, 0);
   } else if (flags & VP9D_DEBLOCK) {
     vp9_deblock(cm->frame_to_show, ppbuf, q);
   } else {
     vp8_yv12_copy_frame(cm->frame_to_show, ppbuf);
   }
 
   if (flags & VP9D_ADDNOISE) {
@@ skipping 12 matching lines @@
 
   /* handle problem with extending borders */
   dest->y_width = cm->width;
   dest->y_height = cm->height;
   dest->uv_width = dest->y_width >> cm->subsampling_x;
   dest->uv_height = dest->y_height >> cm->subsampling_y;
 
   return 0;
 }
 #endif