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& remote_end_point,
  25       scoped_ptr<base::DictionaryValue> options,
  26       const media::cast::CastTransportStatusCallback& status_cb,
  27       const media::cast::BulkRawEventsCallback& raw_events_cb);
  28
  29   ~CastTransportSenderIPC() override;
  30
  31   // media::cast::CastTransportSender implementation.
  32   void InitializeAudio(
  33       const media::cast::CastTransportRtpConfig& config,
  34       const media::cast::RtcpCastMessageCallback& cast_message_cb,
  35       const media::cast::RtcpRttCallback& rtt_cb) override;
  36   void InitializeVideo(
  37       const media::cast::CastTransportRtpConfig& config,
  38       const media::cast::RtcpCastMessageCallback& cast_message_cb,
  39       const media::cast::RtcpRttCallback& rtt_cb) override;
  40   void InsertFrame(uint32 ssrc,
  41                    const media::cast::EncodedFrame& frame) override;
  42   void SendSenderReport(uint32 ssrc,
  43                         base::TimeTicks current_time,
  44                         uint32 current_time_as_rtp_timestamp) override;
  45   void CancelSendingFrames(uint32 ssrc,
  46                            const std::vector<uint32>& frame_ids) override;
  47   void ResendFrameForKickstart(uint32 ssrc, uint32 frame_id) override;
  48
  49   void OnNotifyStatusChange(
  50       media::cast::CastTransportStatus status);
  51   void OnRawEvents(const std::vector<media::cast::PacketEvent>& packet_events,
  52                    const std::vector<media::cast::FrameEvent>& frame_events);
  53   void OnRtt(uint32 ssrc, base::TimeDelta rtt);
  54   void OnRtcpCastMessage(uint32 ssrc,
  55                          const media::cast::RtcpCastMessage& cast_message);
  56
  57  private:
  58   struct ClientCallbacks {
  59     ClientCallbacks();
  60     ~ClientCallbacks();
  61
  62     media::cast::RtcpCastMessageCallback cast_message_cb;
  63     media::cast::RtcpRttCallback rtt_cb;
  64   };
  65
  66   void Send(IPC::Message* message);
  67
  68   int32 channel_id_;
  69   media::cast::PacketReceiverCallback packet_callback_;
  70   media::cast::CastTransportStatusCallback status_callback_;
  71   media::cast::BulkRawEventsCallback raw_events_callback_;
  72   typedef std::map<uint32, ClientCallbacks> ClientMap;
  73   ClientMap clients_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(CastTransportSenderIPC);
  76 };
  77
  78 #endif  // CHROME_RENDERER_MEDIA_CAST_TRANSPORT_SENDER_IPC_H_