diff -r 000000000000 -r 6474c204b198 media/libvpx/vpx_scale/yv12config.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/libvpx/vpx_scale/yv12config.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,76 @@
+/*
+ *  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.
+ */
+
+#ifndef YV12_CONFIG_H
+#define YV12_CONFIG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "vpx/vpx_integer.h"
+
+#define VP8BORDERINPIXELS       32
+#define VP9INNERBORDERINPIXELS  96
+#define VP9BORDERINPIXELS      160
+#define VP9_INTERP_EXTEND        4
+
+  typedef struct yv12_buffer_config {
+    int   y_width;
+    int   y_height;
+    int   y_crop_width;
+    int   y_crop_height;
+    int   y_stride;
+    /*    int   yinternal_width; */
+
+    int   uv_width;
+    int   uv_height;
+    int   uv_crop_width;
+    int   uv_crop_height;
+    int   uv_stride;
+    /*    int   uvinternal_width; */
+
+    int   alpha_width;
+    int   alpha_height;
+    int   alpha_stride;
+
+    uint8_t *y_buffer;
+    uint8_t *u_buffer;
+    uint8_t *v_buffer;
+    uint8_t *alpha_buffer;
+
+    uint8_t *buffer_alloc;
+    int buffer_alloc_sz;
+    int border;
+    int frame_size;
+
+    int corrupted;
+    int flags;
+  } YV12_BUFFER_CONFIG;
+
+  int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
+                                  int width, int height, int border);
+  int vp8_yv12_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
+                                    int width, int height, int border);
+  int vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf);
+
+  int vp9_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
+                             int width, int height, int ss_x, int ss_y,
+                             int border);
+  int vp9_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
+                               int width, int height, int ss_x, int ss_y,
+                               int border);
+  int vp9_free_frame_buffer(YV12_BUFFER_CONFIG *ybf);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // YV12_CONFIG_H