components/html_viewer/media_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 COMPONENTS_HTML_VIEWER_MEDIA_FACTORY_H_
   6 #define COMPONENTS_HTML_VIEWER_MEDIA_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 #include "mojo/application/public/interfaces/service_provider.mojom.h"
  15
  16 namespace base {
  17 class SingleThreadTaskRunner;
  18 }
  19
  20 namespace blink {
  21 class WebContentDecryptionModule;
  22 class WebEncryptedMediaClient;
  23 class WebMediaPlayer;
  24 class WebLocalFrame;
  25 class WebURL;
  26 class WebMediaPlayerClient;
  27 }
  28
  29 namespace media {
  30 class AudioManager;
  31 class AudioRendererSink;
  32 class CdmFactory;
  33 class MediaPermission;
  34 class MediaServiceProvider;
  35 class WebEncryptedMediaClientImpl;
  36 }
  37
  38 namespace mojo {
  39 class ServiceProvider;
  40 class Shell;
  41 }
  42
  43 namespace html_viewer {
  44
  45 // Helper class used to create blink::WebMediaPlayer objects.
  46 // This class stores the "global state" shared across all WebMediaPlayer
  47 // instances.
  48 class MediaFactory {
  49  public:
  50   MediaFactory(
  51       const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner,
  52       mojo::Shell* shell);
  53   ~MediaFactory();
  54
  55   blink::WebMediaPlayer* CreateMediaPlayer(
  56       blink::WebLocalFrame* frame,
  57       const blink::WebURL& url,
  58       blink::WebMediaPlayerClient* client,
  59       blink::WebContentDecryptionModule* initial_cdm,
  60       mojo::Shell* shell);
  61
  62   blink::WebEncryptedMediaClient* GetEncryptedMediaClient();
  63
  64  private:
  65   media::MediaServiceProvider* GetMediaServiceProvider();
  66   media::MediaPermission* GetMediaPermission();
  67   media::CdmFactory* GetCdmFactory();
  68
  69 #if !defined(OS_ANDROID)
  70   const media::AudioHardwareConfig& GetAudioHardwareConfig();
  71   scoped_refptr<media::AudioRendererSink> CreateAudioRendererSink();
  72   scoped_refptr<base::SingleThreadTaskRunner> GetMediaThreadTaskRunner();
  73
  74   base::Thread media_thread_;
  75   media::FakeAudioLogFactory fake_audio_log_factory_;
  76   scoped_ptr<media::AudioManager> audio_manager_;
  77   media::AudioHardwareConfig audio_hardware_config_;
  78 #endif
  79
  80   const bool enable_mojo_media_renderer_;
  81   scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner_;
  82   mojo::Shell* shell_;
  83
  84   // Lazily initialized objects.
  85   mojo::ServiceProviderPtr mojo_service_provider_ptr_;
  86   scoped_ptr<media::MediaServiceProvider> media_service_provider_;
  87   scoped_ptr<media::WebEncryptedMediaClientImpl> web_encrypted_media_client_;
  88   scoped_ptr<media::MediaPermission> media_permission_;
  89   scoped_ptr<media::CdmFactory> cdm_factory_;
  90
  91   DISALLOW_COPY_AND_ASSIGN(MediaFactory);
  92 };
  93
  94 }  // namespace html_viewer
  95
  96 #endif  // COMPONENTS_HTML_VIEWER_MEDIA_FACTORY_H_