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Migrate VCMInterFrameDelay to use Time units

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Additionally,
* Moved to its own GN target.
* Added unittests.
* Removed unused variable `_zeroWallClock`.
* Renamed variables to match style guide.
* Moved fields _dTS and _wrapArounds to variables.

Change-Id: I7aa8b8dec55abab49ceabe838dabf2a7e13d685d
Bug: webrtc:13756
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/253580
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Evan Shrubsole <eshr@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36147}
This commit is contained in:
Evan Shrubsole
2022-03-07 14:50:51 +01:00
committed by WebRTC LUCI CQ
parent 773205dfb2
commit e9126c18bf
10 changed files with 298 additions and 122 deletions
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10
modules/video_coding/frame_buffer2.cc
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@ -64,7 +64,6 @@ FrameBuffer::FrameBuffer(Clock* clock,
callback_queue_(nullptr),
jitter_estimator_(clock),
timing_(timing),
inter_frame_delay_(clock_->TimeInMilliseconds()),
stopped_(false),
protection_mode_(kProtectionNack),
stats_callback_(stats_callback),
@ -295,12 +294,11 @@ std::unique_ptr<EncodedFrame> FrameBuffer::GetNextFrame() {
}
if (!superframe_delayed_by_retransmission) {
int64_t frame_delay;
auto frame_delay = inter_frame_delay_.CalculateDelay(
first_frame.Timestamp(), Timestamp::Millis(receive_time_ms));
if (inter_frame_delay_.CalculateDelay(first_frame.Timestamp(), &frame_delay,
receive_time_ms)) {
jitter_estimator_.UpdateEstimate(TimeDelta::Millis(frame_delay),
superframe_size);
if (frame_delay) {
jitter_estimator_.UpdateEstimate(*frame_delay, superframe_size);
}
float rtt_mult = protection_mode_ == kProtectionNackFEC ? 0.0 : 1.0;