Add support for switching the audio output device for HTMLMediaElements.

media/blink/webmediaplayer_impl.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_
 #define MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 11 matching lines @@
 #include "media/blink/buffered_data_source.h"
 #include "media/blink/buffered_data_source_host_impl.h"
 #include "media/blink/encrypted_media_player_support.h"
 #include "media/blink/skcanvas_video_renderer.h"
 #include "media/blink/video_frame_compositor.h"
 #include "media/blink/webmediaplayer_params.h"
 #include "third_party/WebKit/public/platform/WebAudioSourceProvider.h"
 #include "third_party/WebKit/public/platform/WebContentDecryptionModuleResult.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayer.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayerClient.h"
+#include "third_party/WebKit/public/platform/WebSetAudioOutputDeviceRequest.h"
+#include "third_party/WebKit/public/platform/WebString.h"
 #include "url/gurl.h"
 
 namespace blink {
 class WebGraphicsContext3D;
 class WebLocalFrame;
 }
 
 namespace base {
 class SingleThreadTaskRunner;
 }
@@ skipping 37 matching lines @@
                     const blink::WebURL& url,
                     CORSMode cors_mode);
 
   // Playback controls.
   virtual void play();
   virtual void pause();
   virtual bool supportsSave() const;
   virtual void seek(double seconds);
   virtual void setRate(double rate);
   virtual void setVolume(double volume);
+  virtual void setAudioOutputDevice(
+      const blink::WebSetAudioOutputDeviceRequest& request);
   virtual void setPreload(blink::WebMediaPlayer::Preload preload);
   virtual blink::WebTimeRanges buffered() const;
   virtual blink::WebTimeRanges seekable() const;
 
   // Methods for painting.
   virtual void paint(blink::WebCanvas* canvas,
                      const blink::WebRect& rect,
                      unsigned char alpha,
                      SkXfermode::Mode mode);
 
@@ skipping 130 matching lines @@
   void SetCdm(const CdmAttachedCB& cdm_attached_cb, CdmContext* cdm_context);
 
   // Called when a CDM has been attached to the |pipeline_|.
   void OnCdmAttached(blink::WebContentDecryptionModuleResult result,
                      bool success);
 
   // Updates |paused_time_| to the current media time with consideration for the
   // |ended_| state by clamping current time to duration upon |ended_|.
   void UpdatePausedTime();
 
+  static void PrepareFinishSetAudioOutputRequest(
+      WebMediaPlayerImpl* media_player,
+      const scoped_refptr<base::SingleThreadTaskRunner> task_runner,
+      blink::WebSetAudioOutputDeviceRequest* request,
+      int result);
+  void FinishSetAudioOutputRequest(
+      blink::WebSetAudioOutputDeviceRequest* request,
+      int result);
+
   blink::WebLocalFrame* frame_;
 
   // TODO(hclam): get rid of these members and read from the pipeline directly.
   blink::WebMediaPlayer::NetworkState network_state_;
   blink::WebMediaPlayer::ReadyState ready_state_;
 
   // Preload state for when |data_source_| is created after setPreload().
   BufferedDataSource::Preload preload_;
 
   // Task runner for posting tasks on Chrome's main thread. Also used
@@ skipping 79 matching lines @@
   EncryptedMediaPlayerSupport encrypted_media_support_;
 
   scoped_ptr<RendererFactory> renderer_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_