Avoid repeated semi-expensive field_trials read in frame_buffer2.cc

Bug: webrtc:10202
Change-Id: Ib8bfe7c1d62bc5091a8bfb2ce137ba749f9042e6
Reviewed-on: https://webrtc-review.googlesource.com/c/117361
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Elad Alon <eladalon@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26261}
This commit is contained in:
Elad Alon
2019-01-14 18:56:14 +01:00
committed by Commit Bot
parent c259a3b0e9
commit e4b5023f65
2 changed files with 6 additions and 3 deletions

View File

@ -60,7 +60,9 @@ FrameBuffer::FrameBuffer(Clock* clock,
stopped_(false),
protection_mode_(kProtectionNack),
stats_callback_(stats_callback),
last_log_non_decoded_ms_(-kLogNonDecodedIntervalMs) {}
last_log_non_decoded_ms_(-kLogNonDecodedIntervalMs),
add_rtt_to_playout_delay_(
webrtc::field_trial::IsEnabled("WebRTC-AddRttToPlayoutDelay")) {}
FrameBuffer::~FrameBuffer() {}
@ -214,8 +216,7 @@ FrameBuffer::ReturnReason FrameBuffer::NextFrame(
timing_->SetJitterDelay(jitter_estimator_->GetJitterEstimate(rtt_mult));
timing_->UpdateCurrentDelay(frame->RenderTime(), now_ms);
} else {
if (RttMultExperiment::RttMultEnabled() ||
webrtc::field_trial::IsEnabled("WebRTC-AddRttToPlayoutDelay"))
if (RttMultExperiment::RttMultEnabled() || add_rtt_to_playout_delay_)
jitter_estimator_->FrameNacked();
}

View File

@ -173,6 +173,8 @@ class FrameBuffer {
VCMReceiveStatisticsCallback* const stats_callback_;
int64_t last_log_non_decoded_ms_ RTC_GUARDED_BY(crit_);
const bool add_rtt_to_playout_delay_;
RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(FrameBuffer);
};