Interface with webrtc through encoded frames

remoting/protocol/webrtc_dummy_video_capturer.h

Index: remoting/protocol/webrtc_dummy_video_capturer.h
diff --git a/remoting/protocol/webrtc_dummy_video_capturer.h b/remoting/protocol/webrtc_dummy_video_capturer.h
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+// Copyright 2016 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 REMOTING_PROTOCOL_WEBRTC_DUMMY_VIDEO_CAPTURER_H_
+#define REMOTING_PROTOCOL_WEBRTC_DUMMY_VIDEO_CAPTURER_H_
+
+#include <memory>
+#include <vector>
+
+#include "base/macros.h"
+#include "remoting/protocol/webrtc_frame_scheduler.h"
+#include "third_party/webrtc/media/base/videocapturer.h"
+
+namespace remoting {
+namespace protocol {
+
+// A dummy video capturer needed to create peer connection. We do not supply
+// captured frames throught this interface, but instead provide encoded
+// frames to WebRtc. We expect this requirement to go away once we have
+// proper support for providing encoded frames to WebRtc through
+// VideoSourceInterface
+class WebRtcDummyVideoCapturer : public cricket::VideoCapturer {
+ public:
+  explicit WebRtcDummyVideoCapturer(
+      std::unique_ptr<WebRtcFrameScheduler> frame_scheduler);
+  ~WebRtcDummyVideoCapturer() override;
+
+  cricket::CaptureState Start(
+      const cricket::VideoFormat& capture_format) override;
+  void Stop() override;
+  bool IsRunning() override;
+  bool IsScreencast() const override;
+  bool GetPreferredFourccs(std::vector<uint32_t>* fourccs) override;
+
+ private:
+  std::unique_ptr<WebRtcFrameScheduler> frame_scheduler_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebRtcDummyVideoCapturer);
+};
+
+}  // namespace protocol
+}  // namespace remoting
+
+#endif  // REMOTING_PROTOCOL_WEBRTC_DUMMY_VIDEO_CAPTURER_H_