gecko-dev/gfx/ycbcr/YCbCrUtils.h

50 строки
1.8 KiB
C++

/* -*- 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_ */