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Feed the clock skew to AbsoluteCaptureTimeReceiver.

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Bug: webrtc:10739
Change-Id: Iebfb0a59f5c2c7d6a9c7e73d2b6a12985448491e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/169850
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Chen Xing <chxg@google.com>
Commit-Queue: Minyue Li <minyue@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30712}
This commit is contained in:
Minyue Li 2020-03-05 23:42:43 +01:00 committed by Commit Bot
parent 4940e08f6b
commit c0bdf1e361
1 changed files with 7 additions and 2 deletions
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9
video/rtp_video_stream_receiver.cc
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@ -49,6 +49,7 @@
#include "rtc_base/strings/string_builder.h"
#include "system_wrappers/include/field_trial.h"
#include "system_wrappers/include/metrics.h"
#include "system_wrappers/include/ntp_time.h"
#include "video/receive_statistics_proxy.h"
namespace webrtc {
@ -488,8 +489,6 @@ void RtpVideoStreamReceiver::OnReceivedPayloadData(
clock_->TimeInMilliseconds());
// Try to extrapolate absolute capture time if it is missing.
// TODO(bugs.webrtc.org/10739): Add support for estimated capture clock
// offset.
packet->packet_info.set_absolute_capture_time(
absolute_capture_time_receiver_.OnReceivePacket(
AbsoluteCaptureTimeReceiver::GetSource(packet->packet_info.ssrc(),
@ -973,6 +972,12 @@ bool RtpVideoStreamReceiver::DeliverRtcp(const uint8_t* rtcp_packet,
// Don't use old SRs to estimate time.
if (time_since_recieved <= 1) {
ntp_estimator_.UpdateRtcpTimestamp(rtt, ntp_secs, ntp_frac, rtp_timestamp);
absl::optional<int64_t> remote_to_local_clock_offset_ms =
ntp_estimator_.EstimateRemoteToLocalClockOffsetMs();
if (remote_to_local_clock_offset_ms.has_value()) {
absolute_capture_time_receiver_.SetRemoteToLocalClockOffset(
Int64MsToQ32x32(*remote_to_local_clock_offset_ms));
}
}
return true;