gfx/ycbcr/YCbCrUtils.h

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef Y_CB_CR_UTILS_H_
   7 #define Y_CB_CR_UTILS_H_
   8
   9 #include "mozilla/gfx/Types.h"
  10 #include "ImageContainer.h"
  11
  12 namespace mozilla {
  13 namespace gfx {
  14
  15 void
  16 GetYCbCrToRGBDestFormatAndSize(const layers::PlanarYCbCrData& aData,
  17                                SurfaceFormat& aSuggestedFormat,
  18                                IntSize& aSuggestedSize);
  19
  20 void
  21 ConvertYCbCrToRGB(const layers::PlanarYCbCrData& aData,
  22                   const SurfaceFormat& aDestFormat,
  23                   const IntSize& aDestSize,
  24                   unsigned char* aDestBuffer,
  25                   int32_t aStride);
  26
  27 using PremultFunc = int (*)(const uint8_t* src_argb, int src_stride_argb,
  28                             uint8_t* dst_argb, int dst_stride_argb, int width,
  29                             int height);
  30
  31 void ConvertYCbCrAToARGB(const layers::PlanarYCbCrData& aYCbCr,
  32                          const layers::PlanarAlphaData& aAlpha,
  33                          const SurfaceFormat& aDestFormat,
  34                          const IntSize& aDestSize,
  35                          unsigned char* aDestBuffer,
  36                          int32_t aStride, PremultFunc premultiplyAlphaOp);
  37
  38 void
  39 ConvertI420AlphaToARGB(const uint8_t* aSrcY,
  40                        const uint8_t* aSrcU,
  41                        const uint8_t* aSrcV,
  42                        const uint8_t* aSrcA,
  43                        int aSrcStrideYA, int aSrcStrideUV,
  44                        uint8_t* aDstARGB, int aDstStrideARGB,
  45                        int aWidth, int aHeight);
  46 } // namespace gfx
  47 } // namespace mozilla
  48
  49 #endif /* Y_CB_CR_UTILS_H_ */