62 lines
2 KiB
C++
62 lines
2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef ImageToI420Converter_h
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#define ImageToI420Converter_h
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#include "mozilla/AlreadyAddRefed.h"
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#include "nsError.h"
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#include "mozilla/gfx/Point.h"
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namespace mozilla {
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namespace gfx {
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class SourceSurface;
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enum class SurfaceFormat : int8_t;
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} // namespace gfx
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namespace layers {
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class Image;
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} // namespace layers
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/**
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* Gets a SourceSurface from given image.
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*/
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already_AddRefed<gfx::SourceSurface> GetSourceSurface(layers::Image* aImage);
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/**
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* Converts aImage to an I420 image and writes it to the given buffers.
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*/
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nsresult ConvertToI420(layers::Image* aImage, uint8_t* aDestY, int aDestStrideY,
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uint8_t* aDestU, int aDestStrideU, uint8_t* aDestV,
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int aDestStrideV, const gfx::IntSize& aDestSize);
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/**
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* Converts aImage to an NV12 image and writes it to the given buffers.
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*/
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nsresult ConvertToNV12(layers::Image* aImage, uint8_t* aDestY, int aDestStrideY,
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uint8_t* aDestUV, int aDestStrideUV,
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gfx::IntSize aDestSize);
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/**
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* Converts aImage into an RGBA image in a specified format and writes it to the
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* given buffer.
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*/
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nsresult ConvertToRGBA(layers::Image* aImage,
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const gfx::SurfaceFormat& aDestFormat,
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uint8_t* aDestBuffer, int aDestStride);
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/*
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* Convert the RGBA image data from SRGB color into DisplayP3 color.
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* aSrcBuffer and aDestBuffer can be the same.
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*/
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nsresult ConvertSRGBBufferToDisplayP3(uint8_t* aSrcBuffer,
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const gfx::SurfaceFormat& aSrcFormat,
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uint8_t* aDestBuffer, int aWidth,
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int aHeight);
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} // namespace mozilla
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#endif /* ImageToI420Converter_h */
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