d121734ee7
That interface works with different kind of representation of time that also arrive from different clocks. Using strong types partially document what those times are. Bug: webrtc:42223979 Change-Id: I1dad85cdf150a389828bca1887da34de6a0e098f Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/403682 Reviewed-by: Philip Eliasson <philipel@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Jakob Ivarsson <jakobi@webrtc.org> Cr-Commit-Position: refs/heads/main@{#45315}
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/*
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* Copyright (c) 2017 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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// Syncable is used by RtpStreamsSynchronizer in VideoReceiveStreamInterface,
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// and implemented by AudioReceiveStreamInterface.
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#ifndef CALL_SYNCABLE_H_
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#define CALL_SYNCABLE_H_
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#include <cstdint>
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#include <optional>
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#include "api/units/time_delta.h"
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#include "api/units/timestamp.h"
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#include "system_wrappers/include/ntp_time.h"
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namespace webrtc {
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class Syncable {
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public:
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struct Info {
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// Local time when the the last RTP packet was received.
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Timestamp latest_receive_time = Timestamp::Zero();
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// RTP timestamp of the last RTP packet received.
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uint32_t latest_received_capture_rtp_timestamp = 0;
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// NTP and RTP timestamp from the last RTCP sender report received.
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uint32_t capture_time_rtp = 0;
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NtpTime capture_time_ntp;
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// Current playout delay for the given `Syncable`.
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TimeDelta current_delay;
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};
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// Mapping between capture/render time in RTP timestamps and local clock.
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struct PlayoutInfo {
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Timestamp time;
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uint32_t rtp_timestamp;
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};
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virtual ~Syncable();
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virtual uint32_t id() const = 0;
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virtual std::optional<Info> GetInfo() const = 0;
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virtual std::optional<PlayoutInfo> GetPlayoutRtpTimestamp() const = 0;
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virtual bool SetMinimumPlayoutDelay(TimeDelta delay) = 0;
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virtual void SetEstimatedPlayoutNtpTimestamp(NtpTime ntp_time,
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Timestamp time) = 0;
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};
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} // namespace webrtc
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#endif // CALL_SYNCABLE_H_
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