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Tolerate out of order samples to SendProcessingUsage2::FrameSent.

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Bug: chromium:842613
Change-Id: I57e4df75dcfdfb9bf42819f31d2186e875a90a3a
Reviewed-on: https://webrtc-review.googlesource.com/92880
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24224}
This commit is contained in:
Niels Möller
2018-08-07 16:37:18 +02:00
committed by Commit Bot
parent a381871dbf
commit 58d2a5e976
2 changed files with 23 additions and 0 deletions
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8
video/overuse_frame_detector.cc
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@ -249,6 +249,14 @@ class SendProcessingUsage2 : public OveruseFrameDetector::ProcessingUsage {
absl::optional<int> encode_duration_us) override {
if (encode_duration_us) {
if (prev_time_us_ != -1) {
if (capture_time_us < prev_time_us_) {
// The weighting in AddSample assumes that samples are processed with
// non-decreasing measurement timestamps. We could implement
// appropriate weights for samples arriving late, but since it is a
// rare case, keep things simple, by just pushing those measurements a
// bit forward in time.
capture_time_us = prev_time_us_;
}
AddSample(1e-6 * (*encode_duration_us),
1e-6 * (capture_time_us - prev_time_us_));
}