Index: webrtc/modules/congestion_controller/congestion_controller.cc |
diff --git a/webrtc/modules/congestion_controller/congestion_controller.cc b/webrtc/modules/congestion_controller/congestion_controller.cc |
index f3a8432310cb257ddc33bd978b623a7c2756422b..f93d1b368121d6dc45db29aff01c4f24945aac9c 100644 |
--- a/webrtc/modules/congestion_controller/congestion_controller.cc |
+++ b/webrtc/modules/congestion_controller/congestion_controller.cc |
@@ -151,7 +151,8 @@ CongestionController::CongestionController( |
remote_estimator_proxy_(clock_, packet_router_.get()), |
transport_feedback_adapter_(bitrate_controller_.get(), clock_), |
min_bitrate_bps_(RemoteBitrateEstimator::kDefaultMinBitrateBps), |
- send_queue_is_full_(false) { |
+ last_reported_bitrate_bps_(0), |
+ network_state_(kNetworkUp) { |
Init(); |
} |
@@ -173,7 +174,8 @@ CongestionController::CongestionController( |
remote_estimator_proxy_(clock_, packet_router_.get()), |
transport_feedback_adapter_(bitrate_controller_.get(), clock_), |
min_bitrate_bps_(RemoteBitrateEstimator::kDefaultMinBitrateBps), |
- send_queue_is_full_(false) { |
+ last_reported_bitrate_bps_(0), |
+ network_state_(kNetworkUp) { |
Init(); |
} |
@@ -251,6 +253,8 @@ void CongestionController::SignalNetworkState(NetworkState state) { |
} else { |
pacer_->Pause(); |
} |
+ rtc::CritScope cs(&critsect_); |
+ network_state_ = state; |
} |
void CongestionController::OnSentPacket(const rtc::SentPacket& sent_packet) { |
@@ -278,24 +282,31 @@ void CongestionController::MaybeTriggerOnNetworkChanged() { |
uint32_t bitrate_bps; |
uint8_t fraction_loss; |
int64_t rtt; |
- bool network_changed = bitrate_controller_->GetNetworkParameters( |
+ bool estimate_changed = bitrate_controller_->GetNetworkParameters( |
&bitrate_bps, &fraction_loss, &rtt); |
- if (network_changed) |
+ if (estimate_changed) |
pacer_->SetEstimatedBitrate(bitrate_bps); |
- bool send_queue_is_full = |
- pacer_->ExpectedQueueTimeMs() > PacedSender::kMaxQueueLengthMs; |
- bitrate_bps = send_queue_is_full ? 0 : bitrate_bps; |
- if ((network_changed && !send_queue_is_full) || |
- UpdateSendQueueStatus(send_queue_is_full)) { |
+ |
+ bitrate_bps = IsNetworkDown() || IsSendQueueFull() ? 0 : bitrate_bps; |
+ |
+ if (HasBitrateToReportChanged(bitrate_bps)) { |
observer_->OnNetworkChanged(bitrate_bps, fraction_loss, rtt); |
} |
} |
+bool CongestionController::HasBitrateToReportChanged(uint32_t bitrate_bps) { |
stefan-webrtc
2016/05/04 09:21:20
Empty line above.
perkj_webrtc
2016/05/04 10:00:15
Done.
|
+ rtc::CritScope cs(&critsect_); |
+ bool changed = last_reported_bitrate_bps_ != bitrate_bps; |
+ last_reported_bitrate_bps_ = bitrate_bps; |
+ return changed; |
+} |
+ |
+bool CongestionController::IsSendQueueFull() const { |
+ return pacer_->ExpectedQueueTimeMs() > PacedSender::kMaxQueueLengthMs; |
+} |
-bool CongestionController::UpdateSendQueueStatus(bool send_queue_is_full) { |
+bool CongestionController::IsNetworkDown() const { |
rtc::CritScope cs(&critsect_); |
- bool result = send_queue_is_full_ != send_queue_is_full; |
- send_queue_is_full_ = send_queue_is_full; |
- return result; |
+ return network_state_ == kNetworkDown; |
} |
} // namespace webrtc |