chrome/renderer/media/cast_transport_sender_ipc.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_RENDERER_MEDIA_CAST_TRANSPORT_SENDER_IPC_H_
   6 #define CHROME_RENDERER_MEDIA_CAST_TRANSPORT_SENDER_IPC_H_
   7
   8 #include <map>
   9
  10 #include "base/message_loop/message_loop_proxy.h"
  11 #include "ipc/ipc_channel_proxy.h"
  12 #include "media/cast/logging/logging_defines.h"
  13 #include "media/cast/net/cast_transport_sender.h"
  14
  15 // This implementation of the CastTransportSender interface
  16 // communicates with the browser process over IPC and relays
  17 // all calls to/from the transport sender to the browser process.
  18 // The primary reason for this arrangement is to give the
  19 // renderer less direct control over the UDP sockets.
  20 class CastTransportSenderIPC
  21     : public media::cast::CastTransportSender {
  22  public:
  23   CastTransportSenderIPC(
  24       const net::IPEndPoint& local_end_point,
  25       const net::IPEndPoint& remote_end_point,
  26       scoped_ptr<base::DictionaryValue> options,
  27       const media::cast::PacketReceiverCallback& packet_callback,
  28       const media::cast::CastTransportStatusCallback& status_cb,
  29       const media::cast::BulkRawEventsCallback& raw_events_cb);
  30
  31   ~CastTransportSenderIPC() override;
  32
  33   // media::cast::CastTransportSender implementation.
  34   void InitializeAudio(
  35       const media::cast::CastTransportRtpConfig& config,
  36       const media::cast::RtcpCastMessageCallback& cast_message_cb,
  37       const media::cast::RtcpRttCallback& rtt_cb) override;
  38   void InitializeVideo(
  39       const media::cast::CastTransportRtpConfig& config,
  40       const media::cast::RtcpCastMessageCallback& cast_message_cb,
  41       const media::cast::RtcpRttCallback& rtt_cb) override;
  42   void InsertFrame(uint32 ssrc,
  43                    const media::cast::EncodedFrame& frame) override;
  44   void SendSenderReport(uint32 ssrc,
  45                         base::TimeTicks current_time,
  46                         uint32 current_time_as_rtp_timestamp) override;
  47   void CancelSendingFrames(uint32 ssrc,
  48                            const std::vector<uint32>& frame_ids) override;
  49   void ResendFrameForKickstart(uint32 ssrc, uint32 frame_id) override;
  50   void AddValidSsrc(uint32 ssrc) override;
  51   void SendRtcpFromRtpReceiver(
  52       uint32 ssrc,
  53       uint32 sender_ssrc,
  54       const media::cast::RtcpTimeData& time_data,
  55       const media::cast::RtcpCastMessage* cast_message,
  56       base::TimeDelta target_delay,
  57       const media::cast::ReceiverRtcpEventSubscriber::RtcpEvents*
  58       rtcp_events,
  59       const media::cast::RtpReceiverStatistics* rtp_receiver_statistics)
  60       override;
  61
  62   void OnNotifyStatusChange(
  63       media::cast::CastTransportStatus status);
  64   void OnRawEvents(const std::vector<media::cast::PacketEvent>& packet_events,
  65                    const std::vector<media::cast::FrameEvent>& frame_events);
  66   void OnRtt(uint32 ssrc, base::TimeDelta rtt);
  67   void OnRtcpCastMessage(uint32 ssrc,
  68                          const media::cast::RtcpCastMessage& cast_message);
  69   void OnReceivedPacket(const media::cast::Packet& packet);
  70
  71  private:
  72   struct ClientCallbacks {
  73     ClientCallbacks();
  74     ~ClientCallbacks();
  75
  76     media::cast::RtcpCastMessageCallback cast_message_cb;
  77     media::cast::RtcpRttCallback rtt_cb;
  78   };
  79
  80   void Send(IPC::Message* message);
  81
  82   int32 channel_id_;
  83   media::cast::PacketReceiverCallback packet_callback_;
  84   media::cast::CastTransportStatusCallback status_callback_;
  85   media::cast::BulkRawEventsCallback raw_events_callback_;
  86   typedef std::map<uint32, ClientCallbacks> ClientMap;
  87   ClientMap clients_;
  88
  89   DISALLOW_COPY_AND_ASSIGN(CastTransportSenderIPC);
  90 };
  91
  92 #endif  // CHROME_RENDERER_MEDIA_CAST_TRANSPORT_SENDER_IPC_H_