YUVBufferGenerator.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* 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 YUVBufferGenerator_h

#define YUVBufferGenerator_h

#include "ImageContainer.h"

#include "mozilla/AlreadyAddRefed.h"

#include "nsTArray.h"

#include "Point.h"  // mozilla::gfx::IntSize

// A helper object to generate of different YUV planes.

class YUVBufferGenerator {

 public:

  void Init(const mozilla::gfx::IntSize& aSize);

  mozilla::gfx::IntSize GetSize() const;

  already_AddRefed<mozilla::layers::Image> GenerateI420Image();

  already_AddRefed<mozilla::layers::Image> GenerateNV12Image();

  already_AddRefed<mozilla::layers::Image> GenerateNV21Image();

 private:

  mozilla::layers::Image* CreateI420Image();

  mozilla::layers::Image* CreateNV12Image();

  mozilla::layers::Image* CreateNV21Image();

  mozilla::gfx::IntSize mImageSize;

  nsTArray<uint8_t> mSourceBuffer;

};

#endif  // YUVBufferGenerator_h