webrtc_m130/test/drifting_clock.cc
Jonas Olsson a4d873786f Format almost everything.
This CL was generated by running

git ls-files | grep -P "(\.h|\.cc)$" | grep -v 'sdk/' | grep -v 'rtc_base/ssl_' | \
grep -v 'fake_rtc_certificate_generator.h' | grep -v 'modules/audio_device/win/' | \
grep -v 'system_wrappers/source/clock.cc' | grep -v 'rtc_base/trace_event.h' | \
grep -v 'modules/audio_coding/codecs/ilbc/' | grep -v 'screen_capturer_mac.h' | \
grep -v 'spl_inl_mips.h' | grep -v 'data_size_unittest.cc' | grep -v 'timestamp_unittest.cc' \
| xargs clang-format -i ; git cl format

Most of these changes are clang-format grouping and reordering includes
differently.

Bug: webrtc:9340
Change-Id: Ic83ddbc169bfacd21883e381b5181c3dd4fe8a63
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/144051
Commit-Queue: Jonas Olsson <jonasolsson@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28505}
2019-07-08 13:45:15 +00:00

52 lines
1.6 KiB
C++

/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "test/drifting_clock.h"
#include "rtc_base/checks.h"
namespace webrtc {
namespace test {
const float DriftingClock::kDoubleSpeed = 2.0f;
const float DriftingClock::kNoDrift = 1.0f;
const float DriftingClock::kHalfSpeed = 0.5f;
DriftingClock::DriftingClock(Clock* clock, float speed)
: clock_(clock), drift_(speed - 1.0f), start_time_(clock_->CurrentTime()) {
RTC_CHECK(clock);
RTC_CHECK_GT(speed, 0.0f);
}
TimeDelta DriftingClock::Drift() const {
auto now = clock_->CurrentTime();
RTC_DCHECK_GE(now, start_time_);
return (now - start_time_) * drift_;
}
Timestamp DriftingClock::CurrentTime() {
return clock_->CurrentTime() + Drift() / 1000.;
}
NtpTime DriftingClock::CurrentNtpTime() {
// NTP precision is 1/2^32 seconds, i.e. 2^32 ntp fractions = 1 second.
const double kNtpFracPerMicroSecond = 4294.967296; // = 2^32 / 10^6
NtpTime ntp = clock_->CurrentNtpTime();
uint64_t total_fractions = static_cast<uint64_t>(ntp);
total_fractions += Drift().us() * kNtpFracPerMicroSecond;
return NtpTime(total_fractions);
}
int64_t DriftingClock::CurrentNtpInMilliseconds() {
return clock_->CurrentNtpInMilliseconds() + Drift().ms();
}
} // namespace test
} // namespace webrtc