chrome/renderer/media/cast_threads.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Manages threads used by Cast Streaming Extensions API. There is a
   6 // singleton object of this class in the renderer.
   7 //
   8 // There are two threads owned by this class:
   9 // 1. Audio encode thread.
  10 // 2. Video encode thread.
  11 // These two threads are started this object is created.
  12
  13 #ifndef CHROME_RENDERER_MEDIA_CAST_THREADS_H_
  14 #define CHROME_RENDERER_MEDIA_CAST_THREADS_H_
  15
  16 #include "base/lazy_instance.h"
  17 #include "base/threading/thread.h"
  18
  19 class CastThreads {
  20  public:
  21   scoped_refptr<base::SingleThreadTaskRunner>
  22   GetAudioEncodeMessageLoopProxy();
  23   scoped_refptr<base::SingleThreadTaskRunner>
  24   GetVideoEncodeMessageLoopProxy();
  25
  26  private:
  27   friend struct base::DefaultLazyInstanceTraits<CastThreads>;
  28
  29   CastThreads();
  30
  31   base::Thread audio_encode_thread_;
  32   base::Thread video_encode_thread_;
  33
  34   DISALLOW_COPY_AND_ASSIGN(CastThreads);
  35 };
  36
  37 #endif  // CHROME_RENDERER_MEDIA_CAST_THREADS_H_