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      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_
     38