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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 "media/cast/net/pacing/paced_sender.h" | 5 #include "media/cast/net/pacing/paced_sender.h" |
6 | 6 |
7 #include "base/big_endian.h" | 7 #include "base/big_endian.h" |
8 #include "base/bind.h" | 8 #include "base/bind.h" |
9 #include "base/message_loop/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
10 #include "media/cast/logging/logging_impl.h" | 10 #include "media/cast/logging/logging_impl.h" |
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245 current_burst_size_++; | 245 current_burst_size_++; |
246 } | 246 } |
247 // Keep ~0.5 seconds of data (1000 packets) | 247 // Keep ~0.5 seconds of data (1000 packets) |
248 if (sent_time_buffer_.size() >= | 248 if (sent_time_buffer_.size() >= |
249 kMaxBurstSize * kMaxDedupeWindowMs / kPacingIntervalMs) { | 249 kMaxBurstSize * kMaxDedupeWindowMs / kPacingIntervalMs) { |
250 sent_time_.swap(sent_time_buffer_); | 250 sent_time_.swap(sent_time_buffer_); |
251 sent_time_buffer_.clear(); | 251 sent_time_buffer_.clear(); |
252 } | 252 } |
253 DCHECK_LE(sent_time_buffer_.size(), | 253 DCHECK_LE(sent_time_buffer_.size(), |
254 kMaxBurstSize * kMaxDedupeWindowMs / kPacingIntervalMs); | 254 kMaxBurstSize * kMaxDedupeWindowMs / kPacingIntervalMs); |
255 DCHECK_LE(sent_time_.size(), | |
256 2 * kMaxBurstSize * kMaxDedupeWindowMs / kPacingIntervalMs); | |
257 state_ = State_Unblocked; | 255 state_ = State_Unblocked; |
258 } | 256 } |
259 | 257 |
260 void PacedSender::LogPacketEvent(const Packet& packet, CastLoggingEvent event) { | 258 void PacedSender::LogPacketEvent(const Packet& packet, CastLoggingEvent event) { |
261 // Get SSRC from packet and compare with the audio_ssrc / video_ssrc to see | 259 // Get SSRC from packet and compare with the audio_ssrc / video_ssrc to see |
262 // if the packet is audio or video. | 260 // if the packet is audio or video. |
263 DCHECK_GE(packet.size(), 12u); | 261 DCHECK_GE(packet.size(), 12u); |
264 base::BigEndianReader reader(reinterpret_cast<const char*>(&packet[8]), 4); | 262 base::BigEndianReader reader(reinterpret_cast<const char*>(&packet[8]), 4); |
265 uint32 ssrc; | 263 uint32 ssrc; |
266 bool success = reader.ReadU32(&ssrc); | 264 bool success = reader.ReadU32(&ssrc); |
267 DCHECK(success); | 265 DCHECK(success); |
268 bool is_audio; | 266 bool is_audio; |
269 if (ssrc == audio_ssrc_) { | 267 if (ssrc == audio_ssrc_) { |
270 is_audio = true; | 268 is_audio = true; |
271 } else if (ssrc == video_ssrc_) { | 269 } else if (ssrc == video_ssrc_) { |
272 is_audio = false; | 270 is_audio = false; |
273 } else { | 271 } else { |
274 DVLOG(3) << "Got unknown ssrc " << ssrc << " when logging packet event"; | 272 DVLOG(3) << "Got unknown ssrc " << ssrc << " when logging packet event"; |
275 return; | 273 return; |
276 } | 274 } |
277 | 275 |
278 EventMediaType media_type = is_audio ? AUDIO_EVENT : VIDEO_EVENT; | 276 EventMediaType media_type = is_audio ? AUDIO_EVENT : VIDEO_EVENT; |
279 logging_->InsertSinglePacketEvent(clock_->NowTicks(), event, media_type, | 277 logging_->InsertSinglePacketEvent(clock_->NowTicks(), event, media_type, |
280 packet); | 278 packet); |
281 } | 279 } |
282 | 280 |
283 } // namespace cast | 281 } // namespace cast |
284 } // namespace media | 282 } // namespace media |
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