mojo/services/html_viewer/webmediaplayer_factory.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 #ifndef MOJO_SERVICES_HTML_VIEWER_WEBMEDIAPLAYER_FACTORY_H_
   6 #define MOJO_SERVICES_HTML_VIEWER_WEBMEDIAPLAYER_FACTORY_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/threading/thread.h"
  12 #include "media/audio/fake_audio_log_factory.h"
  13 #include "media/base/audio_hardware_config.h"
  14
  15 namespace base {
  16 class SingleThreadTaskRunner;
  17 }
  18
  19 namespace blink {
  20 class WebContentDecryptionModule;
  21 class WebMediaPlayer;
  22 class WebLocalFrame;
  23 class WebURL;
  24 class WebMediaPlayerClient;
  25 }
  26
  27 namespace media {
  28 class AudioManager;
  29 class AudioRendererSink;
  30 }
  31
  32 namespace mojo {
  33 class Shell;
  34 }
  35
  36 namespace html_viewer {
  37
  38 // Helper class used to create blink::WebMediaPlayer objects.
  39 // This class stores the "global state" shared across all WebMediaPlayer
  40 // instances.
  41 class WebMediaPlayerFactory {
  42  public:
  43   explicit WebMediaPlayerFactory(const scoped_refptr<
  44       base::SingleThreadTaskRunner>& compositor_task_runner,
  45       bool enable_mojo_media_renderer);
  46   ~WebMediaPlayerFactory();
  47
  48   blink::WebMediaPlayer* CreateMediaPlayer(
  49       blink::WebLocalFrame* frame,
  50       const blink::WebURL& url,
  51       blink::WebMediaPlayerClient* client,
  52       blink::WebContentDecryptionModule* initial_cdm,
  53       mojo::Shell* shell);
  54
  55  private:
  56   const media::AudioHardwareConfig& GetAudioHardwareConfig();
  57   scoped_refptr<media::AudioRendererSink> CreateAudioRendererSink();
  58   scoped_refptr<base::SingleThreadTaskRunner> GetMediaThreadTaskRunner();
  59
  60   scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner_;
  61   const bool enable_mojo_media_renderer_;
  62   base::Thread media_thread_;
  63   media::FakeAudioLogFactory fake_audio_log_factory_;
  64   scoped_ptr<media::AudioManager> audio_manager_;
  65   media::AudioHardwareConfig audio_hardware_config_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerFactory);
  68 };
  69
  70 }  // namespace html_viewer
  71
  72 #endif  // MOJO_SERVICES_HTML_VIEWER_WEBMEDIAPLAYER_FACTORY_H_