Files
platform-external-webrtc/modules/pacing/rtp_packet_pacer.h
Mirko Bonadei e7bc3a3477 Reland "Adds trial to use correct overhead calculation in pacer."
This reverts commit 7affd9bcbb7a778408942d8afa4fe3ce29a8fc0b.

Reason for revert: The perf issue has been addressed in the reland (https://webrtc-review.googlesource.com/c/src/+/167883).

Original change's description:
> Revert "Adds trial to use correct overhead calculation in pacer."
> 
> This reverts commit 71a77c4b3b314a5e3b4e6b2f12d4886cff1b60d7.
> 
> Reason for revert: https://webrtc-review.googlesource.com/c/src/+/167524 needs to be reverted and this CL causes a merge conflict.
> 
> Original change's description:
> > Adds trial to use correct overhead calculation in pacer.
> > 
> > Bug: webrtc:9883
> > Change-Id: I1f25a235468678bf823ee1399ba31d94acf33be9
> > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/166534
> > Reviewed-by: Erik Språng <sprang@webrtc.org>
> > Commit-Queue: Sebastian Jansson <srte@webrtc.org>
> > Cr-Commit-Position: refs/heads/master@{#30399}
> 
> TBR=sprang@webrtc.org,srte@webrtc.org
> 
> Change-Id: I7d3efa29f70aa0363311766980acae6d88bbcaaa
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: webrtc:9883
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/167880
> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#30409}

TBR=mbonadei@webrtc.org,sprang@webrtc.org,srte@webrtc.org

Change-Id: Iafdef81d08078000dc368e001f67bee660e2f5bc
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: webrtc:9883
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/167861
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30414}
2020-01-29 18:45:16 +00:00

73 lines
2.6 KiB
C++

/*
* Copyright (c) 2019 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.
*/
#ifndef MODULES_PACING_RTP_PACKET_PACER_H_
#define MODULES_PACING_RTP_PACKET_PACER_H_
#include <stdint.h>
#include "absl/types/optional.h"
#include "api/units/data_rate.h"
#include "api/units/data_size.h"
#include "api/units/time_delta.h"
#include "api/units/timestamp.h"
#include "modules/rtp_rtcp/include/rtp_packet_sender.h"
namespace webrtc {
class RtpPacketPacer {
public:
virtual ~RtpPacketPacer() = default;
virtual void CreateProbeCluster(DataRate bitrate, int cluster_id) = 0;
// Temporarily pause all sending.
virtual void Pause() = 0;
// Resume sending packets.
virtual void Resume() = 0;
virtual void SetCongestionWindow(DataSize congestion_window_size) = 0;
virtual void UpdateOutstandingData(DataSize outstanding_data) = 0;
// Sets the pacing rates. Must be called once before packets can be sent.
virtual void SetPacingRates(DataRate pacing_rate, DataRate padding_rate) = 0;
// Time since the oldest packet currently in the queue was added.
virtual TimeDelta OldestPacketWaitTime() const = 0;
// Sum of payload + padding bytes of all packets currently in the pacer queue.
virtual DataSize QueueSizeData() const = 0;
// Returns the time when the first packet was sent.
virtual absl::optional<Timestamp> FirstSentPacketTime() const = 0;
// Returns the expected number of milliseconds it will take to send the
// current packets in the queue, given the current size and bitrate, ignoring
// priority.
virtual TimeDelta ExpectedQueueTime() const = 0;
// Set the average upper bound on pacer queuing delay. The pacer may send at
// a higher rate than what was configured via SetPacingRates() in order to
// keep ExpectedQueueTimeMs() below |limit_ms| on average.
virtual void SetQueueTimeLimit(TimeDelta limit) = 0;
// Currently audio traffic is not accounted by pacer and passed through.
// With the introduction of audio BWE audio traffic will be accounted for
// the pacer budget calculation. The audio traffic still will be injected
// at high priority.
virtual void SetAccountForAudioPackets(bool account_for_audio) = 0;
virtual void SetIncludeOverhead() = 0;
virtual void SetTransportOverhead(DataSize overhead_per_packet) = 0;
};
} // namespace webrtc
#endif // MODULES_PACING_RTP_PACKET_PACER_H_