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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 "chrome/browser/media/cast_transport_host_filter.h" | 5 #include "chrome/browser/media/cast_transport_host_filter.h" |
6 | 6 |
7 #include "base/memory/ptr_util.h" | 7 #include "base/memory/ptr_util.h" |
8 #include "base/thread_task_runner_handle.h" | 8 #include "base/thread_task_runner_handle.h" |
9 #include "chrome/browser/browser_process.h" | 9 #include "chrome/browser/browser_process.h" |
10 #include "chrome/common/cast_messages.h" | 10 #include "chrome/common/cast_messages.h" |
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51 cast_transport_host_filter_->Send( | 51 cast_transport_host_filter_->Send( |
52 new CastMsg_RawEvents(channel_id_, *packet_events, *frame_events)); | 52 new CastMsg_RawEvents(channel_id_, *packet_events, *frame_events)); |
53 } | 53 } |
54 | 54 |
55 void TransportClient::ProcessRtpPacket( | 55 void TransportClient::ProcessRtpPacket( |
56 std::unique_ptr<media::cast::Packet> packet) { | 56 std::unique_ptr<media::cast::Packet> packet) { |
57 cast_transport_host_filter_->Send( | 57 cast_transport_host_filter_->Send( |
58 new CastMsg_ReceivedPacket(channel_id_, *packet)); | 58 new CastMsg_ReceivedPacket(channel_id_, *packet)); |
59 } | 59 } |
60 | 60 |
| 61 class RtcpClient : public media::cast::RtcpObserver { |
| 62 public: |
| 63 RtcpClient( |
| 64 int32_t channel_id, |
| 65 uint32_t rtp_sender_ssrc, |
| 66 base::WeakPtr<cast::CastTransportHostFilter> cast_transport_host_filter) |
| 67 : channel_id_(channel_id), |
| 68 rtp_sender_ssrc_(rtp_sender_ssrc), |
| 69 cast_transport_host_filter_(cast_transport_host_filter) {} |
| 70 |
| 71 void OnReceivedCastMessage( |
| 72 const media::cast::RtcpCastMessage& cast_message) override { |
| 73 if (cast_transport_host_filter_) |
| 74 cast_transport_host_filter_->Send(new CastMsg_RtcpCastMessage( |
| 75 channel_id_, rtp_sender_ssrc_, cast_message)); |
| 76 } |
| 77 |
| 78 void OnReceivedRtt(base::TimeDelta round_trip_time) override { |
| 79 if (cast_transport_host_filter_) |
| 80 cast_transport_host_filter_->Send( |
| 81 new CastMsg_Rtt(channel_id_, rtp_sender_ssrc_, round_trip_time)); |
| 82 } |
| 83 |
| 84 void OnReceivedPli() override { |
| 85 if (cast_transport_host_filter_) |
| 86 cast_transport_host_filter_->Send( |
| 87 new CastMsg_Pli(channel_id_, rtp_sender_ssrc_)); |
| 88 } |
| 89 |
| 90 private: |
| 91 const int32_t channel_id_; |
| 92 const uint32_t rtp_sender_ssrc_; |
| 93 const base::WeakPtr<cast::CastTransportHostFilter> |
| 94 cast_transport_host_filter_; |
| 95 |
| 96 DISALLOW_COPY_AND_ASSIGN(RtcpClient); |
| 97 }; |
| 98 |
61 } // namespace | 99 } // namespace |
62 | 100 |
63 namespace cast { | 101 namespace cast { |
64 | 102 |
65 CastTransportHostFilter::CastTransportHostFilter() | 103 CastTransportHostFilter::CastTransportHostFilter() |
66 : BrowserMessageFilter(CastMsgStart), | 104 : BrowserMessageFilter(CastMsgStart), |
67 weak_factory_(this) {} | 105 weak_factory_(this) {} |
68 | 106 |
69 CastTransportHostFilter::~CastTransportHostFilter() {} | 107 CastTransportHostFilter::~CastTransportHostFilter() {} |
70 | 108 |
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96 IPC_MESSAGE_HANDLER(CastHostMsg_AddRtcpEvents, OnAddRtcpEvents) | 134 IPC_MESSAGE_HANDLER(CastHostMsg_AddRtcpEvents, OnAddRtcpEvents) |
97 IPC_MESSAGE_HANDLER(CastHostMsg_AddRtpReceiverReport, | 135 IPC_MESSAGE_HANDLER(CastHostMsg_AddRtpReceiverReport, |
98 OnAddRtpReceiverReport) | 136 OnAddRtpReceiverReport) |
99 IPC_MESSAGE_HANDLER(CastHostMsg_SendRtcpFromRtpReceiver, | 137 IPC_MESSAGE_HANDLER(CastHostMsg_SendRtcpFromRtpReceiver, |
100 OnSendRtcpFromRtpReceiver) | 138 OnSendRtcpFromRtpReceiver) |
101 IPC_MESSAGE_UNHANDLED(handled = false) | 139 IPC_MESSAGE_UNHANDLED(handled = false) |
102 IPC_END_MESSAGE_MAP() | 140 IPC_END_MESSAGE_MAP() |
103 return handled; | 141 return handled; |
104 } | 142 } |
105 | 143 |
106 void CastTransportHostFilter::SendRtt(int32_t channel_id, | |
107 uint32_t rtp_sender_ssrc, | |
108 base::TimeDelta rtt) { | |
109 Send(new CastMsg_Rtt(channel_id, rtp_sender_ssrc, rtt)); | |
110 } | |
111 | |
112 void CastTransportHostFilter::SendCastMessage( | |
113 int32_t channel_id, | |
114 uint32_t rtp_sender_ssrc, | |
115 const media::cast::RtcpCastMessage& cast_message) { | |
116 Send(new CastMsg_RtcpCastMessage(channel_id, rtp_sender_ssrc, cast_message)); | |
117 } | |
118 | |
119 void CastTransportHostFilter::SendReceivedPli(int32_t channel_id, | |
120 uint32_t rtp_sender_ssrc) { | |
121 Send(new CastMsg_Pli(channel_id, rtp_sender_ssrc)); | |
122 } | |
123 | |
124 void CastTransportHostFilter::OnNew(int32_t channel_id, | 144 void CastTransportHostFilter::OnNew(int32_t channel_id, |
125 const net::IPEndPoint& local_end_point, | 145 const net::IPEndPoint& local_end_point, |
126 const net::IPEndPoint& remote_end_point, | 146 const net::IPEndPoint& remote_end_point, |
127 const base::DictionaryValue& options) { | 147 const base::DictionaryValue& options) { |
128 if (!power_save_blocker_) { | 148 if (!power_save_blocker_) { |
129 DVLOG(1) << ("Preventing the application from being suspended while one or " | 149 DVLOG(1) << ("Preventing the application from being suspended while one or " |
130 "more transports are active for Cast Streaming."); | 150 "more transports are active for Cast Streaming."); |
131 power_save_blocker_ = content::PowerSaveBlocker::Create( | 151 power_save_blocker_ = content::PowerSaveBlocker::Create( |
132 content::PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension, | 152 content::PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension, |
133 content::PowerSaveBlocker::kReasonOther, | 153 content::PowerSaveBlocker::kReasonOther, |
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164 } | 184 } |
165 | 185 |
166 if (id_map_.IsEmpty()) { | 186 if (id_map_.IsEmpty()) { |
167 DVLOG_IF(1, power_save_blocker_) << | 187 DVLOG_IF(1, power_save_blocker_) << |
168 ("Releasing the block on application suspension since no transports " | 188 ("Releasing the block on application suspension since no transports " |
169 "are active anymore for Cast Streaming."); | 189 "are active anymore for Cast Streaming."); |
170 power_save_blocker_.reset(); | 190 power_save_blocker_.reset(); |
171 } | 191 } |
172 } | 192 } |
173 | 193 |
| 194 // TODO(xjz): Replace all the separate "init/start audio" and "init/start video" |
| 195 // methods with a single "init/start rtp stream" that handles either media type. |
174 void CastTransportHostFilter::OnInitializeAudio( | 196 void CastTransportHostFilter::OnInitializeAudio( |
175 int32_t channel_id, | 197 int32_t channel_id, |
176 const media::cast::CastTransportRtpConfig& config) { | 198 const media::cast::CastTransportRtpConfig& config) { |
177 media::cast::CastTransport* sender = id_map_.Lookup(channel_id); | 199 media::cast::CastTransport* sender = id_map_.Lookup(channel_id); |
178 if (sender) { | 200 if (sender) { |
179 sender->InitializeAudio( | 201 sender->InitializeAudio( |
180 config, base::Bind(&CastTransportHostFilter::SendCastMessage, | 202 config, base::WrapUnique(new RtcpClient(channel_id, config.ssrc, |
181 weak_factory_.GetWeakPtr(), channel_id, config.ssrc), | 203 weak_factory_.GetWeakPtr()))); |
182 base::Bind(&CastTransportHostFilter::SendRtt, | |
183 weak_factory_.GetWeakPtr(), channel_id, config.ssrc), | |
184 base::Bind(&CastTransportHostFilter::SendReceivedPli, | |
185 weak_factory_.GetWeakPtr(), channel_id, config.ssrc)); | |
186 } else { | 204 } else { |
187 DVLOG(1) | 205 DVLOG(1) |
188 << "CastTransportHostFilter::OnInitializeAudio on non-existing channel"; | 206 << "CastTransportHostFilter::OnInitializeAudio on non-existing channel"; |
189 } | 207 } |
190 } | 208 } |
191 | 209 |
192 void CastTransportHostFilter::OnInitializeVideo( | 210 void CastTransportHostFilter::OnInitializeVideo( |
193 int32_t channel_id, | 211 int32_t channel_id, |
194 const media::cast::CastTransportRtpConfig& config) { | 212 const media::cast::CastTransportRtpConfig& config) { |
195 media::cast::CastTransport* sender = id_map_.Lookup(channel_id); | 213 media::cast::CastTransport* sender = id_map_.Lookup(channel_id); |
196 if (sender) { | 214 if (sender) { |
197 sender->InitializeVideo( | 215 sender->InitializeVideo( |
198 config, base::Bind(&CastTransportHostFilter::SendCastMessage, | 216 config, base::WrapUnique(new RtcpClient(channel_id, config.ssrc, |
199 weak_factory_.GetWeakPtr(), channel_id, config.ssrc), | 217 weak_factory_.GetWeakPtr()))); |
200 base::Bind(&CastTransportHostFilter::SendRtt, | |
201 weak_factory_.GetWeakPtr(), channel_id, config.ssrc), | |
202 base::Bind(&CastTransportHostFilter::SendReceivedPli, | |
203 weak_factory_.GetWeakPtr(), channel_id, config.ssrc)); | |
204 } else { | 218 } else { |
205 DVLOG(1) | 219 DVLOG(1) |
206 << "CastTransportHostFilter::OnInitializeVideo on non-existing channel"; | 220 << "CastTransportHostFilter::OnInitializeVideo on non-existing channel"; |
207 } | 221 } |
208 } | 222 } |
209 | 223 |
210 void CastTransportHostFilter::OnInsertFrame( | 224 void CastTransportHostFilter::OnInsertFrame( |
211 int32_t channel_id, | 225 int32_t channel_id, |
212 uint32_t ssrc, | 226 uint32_t ssrc, |
213 const media::cast::EncodedFrame& frame) { | 227 const media::cast::EncodedFrame& frame) { |
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344 if (sender) { | 358 if (sender) { |
345 sender->SendRtcpFromRtpReceiver(); | 359 sender->SendRtcpFromRtpReceiver(); |
346 } else { | 360 } else { |
347 DVLOG(1) | 361 DVLOG(1) |
348 << "CastTransportHostFilter::OnSendRtcpFromRtpReceiver " | 362 << "CastTransportHostFilter::OnSendRtcpFromRtpReceiver " |
349 << "on non-existing channel"; | 363 << "on non-existing channel"; |
350 } | 364 } |
351 } | 365 } |
352 | 366 |
353 } // namespace cast | 367 } // namespace cast |
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