tor-browser

The Tor Browser
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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