diff -r 000000000000 -r 6474c204b198 gfx/ycbcr/YCbCrUtils.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/ycbcr/YCbCrUtils.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,30 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef MOZILLA_GFX_UTILS_H_
+#define MOZILLA_GFX_UTILS_H_
+
+#include "mozilla/gfx/Types.h"
+#include "ImageContainer.h"
+
+namespace mozilla {
+namespace gfx {
+
+void
+GetYCbCrToRGBDestFormatAndSize(const layers::PlanarYCbCrData& aData,
+                               SurfaceFormat& aSuggestedFormat,
+                               IntSize& aSuggestedSize);
+
+void
+ConvertYCbCrToRGB(const layers::PlanarYCbCrData& aData,
+                  const SurfaceFormat& aDestFormat,
+                  const IntSize& aDestSize,
+                  unsigned char* aDestBuffer,
+                  int32_t aStride);
+
+}
+}
+
+#endif /* MOZILLA_GFX_UTILS_H_ */