Allow to use the DefaultRendererFactory from a Utility Process

media/mojo/services/mojo_video_renderer_sink_adapter.h

+// Copyright 2017 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_MOJO_SERVICES_MOJO_VIDEO_RENDERER_SINK_ADAPTER_H_
+#define MEDIA_MOJO_SERVICES_MOJO_VIDEO_RENDERER_SINK_ADAPTER_H_
+
+#include "media/base/video_renderer_sink.h"
+#include "media/mojo/interfaces/video_renderer_sink.mojom.h"
+#include "media/mojo/services/media_mojo_export.h"
+#include "mojo/public/cpp/bindings/associated_binding.h"
+
+namespace media {
+
+class SingleThreadTaskRunner;
+
+class MEDIA_MOJO_EXPORT MojoVideoRendererSinkAdapter
+    : public media::VideoRendererSink,
+      public mojom::VideoRendererSinkRenderCallback {
+ public:
+  MojoVideoRendererSinkAdapter(
+      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner);
+
+  ~MojoVideoRendererSinkAdapter() final;
+
+  void Initialize(mojom::VideoRendererSinkPtr sink);
+
+  // VideoRendererSink implementation.
+  void Start(media::VideoRendererSink::RenderCallback* callback) override;
+  void Stop() override;
+  void PaintSingleFrame(const scoped_refptr<VideoFrame>& frame,
+                        bool repaint_duplicate_frame = false) override;
+
+  // mojom::VideoRendererSinkRenderCallback implementation.
+  void Render(
+      base::TimeTicks deadline_min,
+      base::TimeTicks deadline_max,
+      bool background_rendering,
+      const media::mojom::VideoRendererSinkRenderCallback::RenderCallback&
+          callback) final;
+  void OnFrameDropped() final;
+
+ private:
+  mojo::AssociatedBinding<mojom::VideoRendererSinkRenderCallback> binding_;
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
+  bool started_;
+  media::VideoRendererSink::RenderCallback* render_callback_;
+  mojom::VideoRendererSinkPtr sink_;
+};
+
+}  // namespace media
+
+#endif  // MEDIA_MOJO_SERVICES_MOJO_VIDEO_RENDERER_SINK_ADAPTER_H_