/* * Copyright (c) 2021 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 "modules/rtp_rtcp/source/capture_clock_offset_updater.h" #include "system_wrappers/include/ntp_time.h" namespace webrtc { std::optional CaptureClockOffsetUpdater::AdjustEstimatedCaptureClockOffset( std::optional remote_capture_clock_offset) const { if (remote_capture_clock_offset == std::nullopt || remote_to_local_clock_offset_ == std::nullopt) { return std::nullopt; } // Do calculations as "unsigned" to make overflows deterministic. return static_cast(*remote_capture_clock_offset) + static_cast(*remote_to_local_clock_offset_); } std::optional CaptureClockOffsetUpdater::ConvertsToTimeDela( std::optional q32x32) { if (q32x32 == std::nullopt) { return std::nullopt; } return TimeDelta::Millis(Q32x32ToInt64Ms(*q32x32)); } void CaptureClockOffsetUpdater::SetRemoteToLocalClockOffset( std::optional offset_q32x32) { remote_to_local_clock_offset_ = offset_q32x32; } } // namespace webrtc