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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "media/cast/transport/pacing/paced_sender.h" | 5 #include "media/cast/transport/pacing/paced_sender.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/message_loop/message_loop.h" | 8 #include "base/message_loop/message_loop.h" |
| 9 | 9 |
| 10 namespace media { | 10 namespace media { |
| 11 namespace cast { | 11 namespace cast { |
| 12 namespace transport { | 12 namespace transport { |
| 13 | 13 |
| 14 namespace { | 14 namespace { |
| 15 static const int64 kPacingIntervalMs = 10; | 15 static const int64 kPacingIntervalMs = 10; |
| 16 // Each frame will be split into no more than kPacingMaxBurstsPerFrame | 16 // Each frame will be split into no more than kPacingMaxBurstsPerFrame |
| 17 // bursts of packets. | 17 // bursts of packets. |
| 18 static const size_t kPacingMaxBurstsPerFrame = 3; | 18 static const size_t kPacingMaxBurstsPerFrame = 3; |
| 19 | 19 |
| 20 void CreateUDPAddress(std::string ip_str, int port, net::IPEndPoint* address) { | |
| 21 net::IPAddressNumber ip_number; | |
| 22 bool rv = net::ParseIPLiteralToNumber(ip_str, &ip_number); | |
| 23 if (!rv) | |
| 24 return; | |
| 25 *address = net::IPEndPoint(ip_number, port); | |
| 26 } | |
| 27 } // namespace | 20 } // namespace |
| 28 | 21 |
| 29 PacedSender::PacedSender( | 22 PacedSender::PacedSender( |
| 30 base::TickClock* clock, | 23 base::TickClock* clock, |
| 31 const CastTransportConfig* const config, | 24 const CastTransportConfig* const config, |
| 32 PacketSender* external_transport, | 25 PacketSender* external_transport, |
| 33 const scoped_refptr<base::TaskRunner>& transport_task_runner, | 26 const scoped_refptr<base::TaskRunner>& transport_task_runner, |
| 34 const CastTransportStatusCallback& status_callback) | 27 const CastTransportStatusCallback& status_callback) |
| 35 : clock_(clock), | 28 : clock_(clock), |
| 36 external_transport_(external_transport), | 29 external_transport_(external_transport), |
| 37 config_(config), | 30 config_(config), |
| 38 transport_task_runner_(transport_task_runner), | 31 transport_task_runner_(transport_task_runner), |
| 39 burst_size_(1), | 32 burst_size_(1), |
| 40 packets_sent_in_burst_(0), | 33 packets_sent_in_burst_(0), |
| 41 weak_factory_(this) { | 34 weak_factory_(this) { |
| 42 if (!external_transport) { | 35 if (!external_transport) { |
| 43 net::IPEndPoint local_end_point; | 36 net::IPEndPoint local_end_point; |
| 44 net::IPEndPoint receiver_end_point; | 37 net::IPEndPoint receiver_end_point; |
| 45 CreateUDPAddress(config_->local_ip_address, config_->receive_port, | |
| 46 &local_end_point); | |
| 47 CreateUDPAddress(config_->receiver_ip_address, config_->send_port, | |
| 48 &receiver_end_point); | |
| 49 // Set up transport in the absence of an external transport. | 38 // Set up transport in the absence of an external transport. |
| 50 transport_.reset(new UdpTransport(transport_task_runner, | 39 transport_.reset(new UdpTransport(transport_task_runner, |
| 51 local_end_point, | 40 config_->local_endpoint, |
| 52 receiver_end_point, | 41 config_->receiver_endpoint, |
| 53 status_callback)); | 42 status_callback)); |
| 54 } | 43 } |
| 55 ScheduleNextSend(); | 44 ScheduleNextSend(); |
| 56 } | 45 } |
| 57 | 46 |
| 58 PacedSender::~PacedSender() {} | 47 PacedSender::~PacedSender() {} |
| 59 | 48 |
| 60 void PacedSender::SetPacketReceiver( | 49 void PacedSender::SetPacketReceiver( |
| 61 const PacketReceiverCallback& packet_receiver) { | 50 const PacketReceiverCallback& packet_receiver) { |
| 62 DCHECK(!external_transport_); | 51 DCHECK(!external_transport_); |
| (...skipping 120 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 183 burst_size_); | 172 burst_size_); |
| 184 } | 173 } |
| 185 | 174 |
| 186 void PacedSender::InsertFakeTransportForTesting(PacketSender* fake_transport) { | 175 void PacedSender::InsertFakeTransportForTesting(PacketSender* fake_transport) { |
| 187 external_transport_ = fake_transport; | 176 external_transport_ = fake_transport; |
| 188 } | 177 } |
| 189 | 178 |
| 190 } // namespace transport | 179 } // namespace transport |
| 191 } // namespace cast | 180 } // namespace cast |
| 192 } // namespace media | 181 } // namespace media |
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