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63b3095d2b
This also changes the meaning of |estimated_capture_clock_offset| in |absolute_capture_time_| to become a remote to capturer clock offset. Bug: chromium:1056230, webrtc:10739 Change-Id: Id658590e027bbe77ae0834ea224e1dc977a305f2 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/219163 Commit-Queue: Minyue Li <minyue@webrtc.org> Reviewed-by: Åsa Persson <asapersson@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Reviewed-by: Alessio Bazzica <alessiob@webrtc.org> Reviewed-by: Christoffer Rodbro <crodbro@webrtc.org> Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org> Reviewed-by: Chen Xing <chxg@google.com> Cr-Commit-Position: refs/heads/master@{#34067}
33 lines
1.1 KiB
C++
33 lines
1.1 KiB
C++
/*
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* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/rtp_rtcp/source/capture_clock_offset_updater.h"
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namespace webrtc {
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absl::optional<int64_t>
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CaptureClockOffsetUpdater::AdjustEstimatedCaptureClockOffset(
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absl::optional<int64_t> remote_capture_clock_offset) const {
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if (remote_capture_clock_offset == absl::nullopt ||
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remote_to_local_clock_offset_ == absl::nullopt) {
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return absl::nullopt;
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}
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// Do calculations as "unsigned" to make overflows deterministic.
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return static_cast<uint64_t>(*remote_capture_clock_offset) +
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static_cast<uint64_t>(*remote_to_local_clock_offset_);
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}
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void CaptureClockOffsetUpdater::SetRemoteToLocalClockOffset(
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absl::optional<int64_t> offset_q32x32) {
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remote_to_local_clock_offset_ = offset_q32x32;
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}
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} // namespace webrtc
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