1 files changed, 49 insertions, 0 deletions
diff --git a/gfx/ycbcr/YCbCrUtils.h b/gfx/ycbcr/YCbCrUtils.h
new file mode 100644
index 0000000000..b63e4dabe9
--- /dev/null
+++ b/gfx/ycbcr/YCbCrUtils.h
@@ -0,0 +1,49 @@
+/* -*- 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 Y_CB_CR_UTILS_H_
+#define Y_CB_CR_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);
+
+using PremultFunc = int (*)(const uint8_t* src_argb, int src_stride_argb,
+                            uint8_t* dst_argb, int dst_stride_argb, int width,
+                            int height);
+
+void ConvertYCbCrAToARGB(const layers::PlanarYCbCrData& aYCbCr,
+                         const layers::PlanarAlphaData& aAlpha,
+                         const SurfaceFormat& aDestFormat,
+                         const IntSize& aDestSize,
+                         unsigned char* aDestBuffer,
+                         int32_t aStride, PremultFunc premultiplyAlphaOp);
+
+void
+ConvertI420AlphaToARGB(const uint8_t* aSrcY,
+                       const uint8_t* aSrcU,
+                       const uint8_t* aSrcV,
+                       const uint8_t* aSrcA,
+                       int aSrcStrideYA, int aSrcStrideUV,
+                       uint8_t* aDstARGB, int aDstStrideARGB,
+                       int aWidth, int aHeight);
+} // namespace gfx
+} // namespace mozilla
+
+#endif /* Y_CB_CR_UTILS_H_ */