Cast: IPC glue between cast library transport and encoders.

chrome/renderer/media/cast_ipc_helper.h

+// Copyright (c) 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.

[mikhal1, 2014/01/23 21:04:38]

new line

[hubbe, 2014/02/03 22:58:59]

Done.

+#ifndef CHROME_RENDERER_MEDIA_CAST_IPC_HELPER_H_
+#define CHROME_RENDERER_MEDIA_CAST_IPC_HELPER_H_
+
+#include "base/callback.h"
+#include "base/id_map.h"
+#include "content/common/cast_messages.h"
+#include "content/public/renderer/render_view_observer.h"
+#include "media/cast/cast_sender.h"
+#include "media/cast/transport/cast_transport_sender.h"
+
+namespace cast {
+
+class CastIPCDispatcher;
+
+class CastIPCNet : public media::cast::transport::CastTransportSender {
+ public:
+  CastIPCNet(const media::cast::transport::CastTransportConfig& config,
+             CastIPCDispatcher* dispatcher);
+  virtual ~CastIPCNet();
+
+  // media::cast::transport::CastNetSender implementation
+  virtual void InsertCodedAudioFrame(
+      const media::cast::transport::EncodedAudioFrame* audio_frame,
+      const base::TimeTicks& recorded_time) OVERRIDE;
+  virtual void InsertCodedVideoFrame(
+      const media::cast::transport::EncodedVideoFrame* video_frame,
+      const base::TimeTicks& capture_time) OVERRIDE;
+
+  virtual void SendRtcpFromRtpSender(
+      uint32 packet_type_flags,
+      const media::cast::transport::RtcpSenderInfo& sender_info,
+      const media::cast::transport::RtcpDlrrReportBlock& dlrr,
+      const media::cast::transport::RtcpSenderLogMessage& sender_log,
+      uint32 sending_ssrc,
+      const std::string& c_name) OVERRIDE;
+
+  // Retransmission request.
+  virtual void ResendPackets(
+      bool is_audio,
+      const media::cast::MissingFramesAndPacketsMap& missing_packets) OVERRIDE;
+
+  // Retrieves audio RTP statistics.
+  virtual void RtpAudioStatistics(
+      const base::TimeTicks& now,
+      media::cast::transport::RtcpSenderInfo* sender_info) OVERRIDE;
+
+  // Retrieves video RTP statistics.
+  virtual void RtpVideoStatistics(
+      const base::TimeTicks& now,
+      media::cast::transport::RtcpSenderInfo* sender_info) OVERRIDE;
+
+
+ private:
+  bool Send(IPC::Message *message);
+
+  friend class CastIPCDispatcher;
+  int32 channel_id_;
+  CastIPCDispatcher* dispatcher_;
+  base::Callback<void(const media::cast::Packet&)> packet_callback_;
+  media::cast::transport::CastTransportStatusCallback status_callback_;
+};
+
+class CastIPCDispatcher : public content::RenderViewObserver {
+ public:
+  explicit CastIPCDispatcher(content::RenderView* render_view);
+  virtual ~CastIPCDispatcher();
+  // RenderViewObserver implementation
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+
+  void OnRtpStatisticsUpdate(
+      int32 channel_id,
+      const base::TimeTicks& now,
+      const media::cast::transport::RtcpSenderInfo& sender_info);
+  void OnGotPacket(int32 channel_id, const media::cast::Packet& packet);
+  void OnNotifyStatusChange(
+      int32 channel_id,
+      media::cast::transport::CastTransportStatus status);
+
+ private:
+  friend CastIPCNet;
+  IDMap<CastIPCNet> id_map_;
+};
+
+}  // namespace cast
+
+#endif  // CHROME_RENDERER_MEDIA_CAST_IPC_HELPER_H_