YUVBufferGenerator.h (1140B)
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef YUVBufferGenerator_h 8 #define YUVBufferGenerator_h 9 10 #include "ImageContainer.h" 11 #include "Point.h" // mozilla::gfx::IntSize 12 #include "mozilla/AlreadyAddRefed.h" 13 #include "nsTArray.h" 14 15 // A helper object to generate of different YUV planes. 16 class YUVBufferGenerator { 17 public: 18 void Init(const mozilla::gfx::IntSize& aSize); 19 mozilla::gfx::IntSize GetSize() const; 20 already_AddRefed<mozilla::layers::Image> GenerateI420Image(); 21 already_AddRefed<mozilla::layers::Image> GenerateNV12Image(); 22 already_AddRefed<mozilla::layers::Image> GenerateNV21Image(); 23 24 private: 25 mozilla::layers::Image* CreateI420Image(); 26 mozilla::layers::Image* CreateNV12Image(); 27 mozilla::layers::Image* CreateNV21Image(); 28 mozilla::gfx::IntSize mImageSize; 29 nsTArray<uint8_t> mSourceBuffer; 30 }; 31 32 #endif // YUVBufferGenerator_h