YCbCrUtils.h - mozsearch

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/* -*- 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 "ErrorList.h"

#include "ImageContainer.h"

#include "mozilla/gfx/Types.h"

namespace mozilla {

namespace gfx {

void

GetYCbCrToRGBDestFormatAndSize(const layers::PlanarYCbCrData& aData,

                               SurfaceFormat& aSuggestedFormat,

                               IntSize& aSuggestedSize);

nsresult

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);

// Convert given YUV data w/ or w/out alpha into BGRA or BGRX data.

nsresult

ConvertYCbCrToRGB32(const layers::PlanarYCbCrData& aData,

                    const SurfaceFormat& aDestFormat,

                    unsigned char* aDestBuffer,

                    int32_t aStride,

                    PremultFunc premultiplyAlphaOp);

nsresult

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_ */