44 lines
1.7 KiB
C++
44 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef DOM_MEDIA_WEBRTC_LIBWEBRTCGLUE_SYSTEMTIMENANOS_H_
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#define DOM_MEDIA_WEBRTC_LIBWEBRTCGLUE_SYSTEMTIMENANOS_H_
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#include "jsapi/RTCStatsReport.h"
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#include "mozilla/TimeStamp.h"
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#include "system_wrappers/include/clock.h"
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namespace mozilla {
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class RTCStatsTimestampMakerRealtimeClock : public webrtc::Clock {
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public:
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explicit RTCStatsTimestampMakerRealtimeClock(
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const dom::RTCStatsTimestampMaker& aTimestampMaker);
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webrtc::Timestamp CurrentTime() override;
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// Upstream, this method depend on rtc::TimeUTCMicros for converting the
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// monotonic system clock to Ntp, if only for the first call when deciding the
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// Ntp offset.
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// We override this to be able to use our own clock instead of
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// rtc::TimeUTCMicros for ntp timestamps.
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webrtc::NtpTime ConvertTimestampToNtpTime(
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webrtc::Timestamp aRealtime) override;
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const dom::RTCStatsTimestampMaker mTimestampMaker;
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};
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// The time base used for WebrtcSystemTime(). Completely arbitrary. Constant.
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TimeStamp WebrtcSystemTimeBase();
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// The returned timestamp denotes the monotonic time passed since
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// WebrtcSystemTimeBase(). Libwebrtc uses this to track how time advances from a
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// specific point in time. It adds an offset to make the timestamps absolute.
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webrtc::Timestamp WebrtcSystemTime();
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webrtc::NtpTime CreateNtp(webrtc::Timestamp aTime);
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} // namespace mozilla
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#endif
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