Media Remoting: Data/Control plumbing between renderer and Media Router.

content/renderer/render_frame_impl.cc

 // 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.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 2615 matching lines @@
   }
 #endif  // defined(OS_ANDROID)
 
 #if defined(ENABLE_MOJO_RENDERER)
   std::unique_ptr<media::RendererFactory> media_renderer_factory(
       new media::MojoRendererFactory(
           base::Bind(&RenderThreadImpl::GetGpuFactories,
                      base::Unretained(render_thread)),
           GetMediaInterfaceProvider()));
 #else
+  // TODO(miu): In future change, call GetRemoterFactory()->Create() and pass
+  // the media::mojom::RemoterPtr to the media::RendererFactory here so that it
+  // can decide whether to create local media::Renderers or "remoted"
+  // media::Renderers.

[xjz, 2016/09/09 17:38:48]

This seems different from our current design. But we'll find it out later.  :)

[miu, 2016/09/11 00:25:22]

Updated and moved this TODO comment.

   std::unique_ptr<media::RendererFactory> media_renderer_factory =
       GetContentClient()->renderer()->CreateMediaRendererFactory(
           this, render_thread->GetGpuFactories(), media_log);
 
   if (!media_renderer_factory.get()) {
     media_renderer_factory.reset(new media::DefaultRendererFactory(
         media_log, GetDecoderFactory(),
         base::Bind(&RenderThreadImpl::GetGpuFactories,
                    base::Unretained(render_thread))));
   }
@@ skipping 3486 matching lines @@
 bool RenderFrameImpl::AreSecureCodecsSupported() {
 #if defined(OS_ANDROID)
   // Hardware-secure codecs are only supported if secure surfaces are enabled.
   return render_view_->renderer_preferences_
       .use_video_overlay_for_embedded_encrypted_video;
 #else
   return false;
 #endif  // defined(OS_ANDROID)
 }
 
+media::mojom::RemoterFactory* RenderFrameImpl::GetRemoterFactory() {
+  if (!remoter_factory_)
+    GetRemoteInterfaces()->GetInterface(&remoter_factory_);
+  return remoter_factory_.get();
+}
+
 media::CdmFactory* RenderFrameImpl::GetCdmFactory() {
   if (cdm_factory_)
     return cdm_factory_.get();
 
 #if defined(ENABLE_MOJO_CDM)
   if (UseMojoCdm()) {
     cdm_factory_.reset(new media::MojoCdmFactory(GetMediaInterfaceProvider()));
     return cdm_factory_.get();
   }
 #endif  //  defined(ENABLE_MOJO_CDM)
@@ skipping 188 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content