84 Commits

Author SHA1 Message Date
Dor Hen
3fa21c89c0 Comment unused variables in implemented functions 13\n
Increased the number of errors the automation is fixing to 150 from
75 in this commit.

Bug: webrtc:370878648
Change-Id: If6e6a5f40db7eb54c27c1a85fb7031838e478c70
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/366205
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Dor Hen <dorhen@meta.com>
Cr-Commit-Position: refs/heads/main@{#43337}
2024-10-31 07:44:25 +00:00
Björn Terelius
c7da857813 Fix lint issues in pacing/
(Mostly include-what-you-use.)

Bug: webrtc:42226242
Change-Id: I3717cccb24ac4f0a5443995d1d355561a5a54c8d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/361601
Commit-Queue: Björn Terelius <terelius@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#42971}
2024-09-06 11:28:43 +00:00
Florent Castelli
8037fc6ffa Migrate absl::optional to std::optional
Bug: webrtc:342905193
No-Try: True
Change-Id: Icc968be43b8830038ea9a1f5f604307220457807
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/361021
Auto-Submit: Florent Castelli <orphis@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Florent Castelli <orphis@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#42911}
2024-09-02 12:16:47 +00:00
Florent Castelli
916bf2f260 Remove usage of old copy of rtp_packet_sender.h
Bug: chromium:345101934
Change-Id: I9123dbd39f5d1e34dd1874b840ab6f34f34849a7
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/357863
Auto-Submit: Florent Castelli <orphis@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Florent Castelli <orphis@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#42725}
2024-08-05 13:09:18 +00:00
Per K
98db63cfb6 Introduce RtpTransportConfig:allow_bandwidht_estimation_probe_without_media
If allow_bandwidht_estimation_probe_without_media is true and a writable
video rtp stream with RTX exist, a probe can be sent immediately without
waiting for a large media packet.

Bug: webrtc:14928
Change-Id: Ie2204734f9fe3e6bff9aed4a1f7f8995956d35cb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/336000
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#41626}
2024-01-29 07:41:32 +00:00
Per K
b9ba02c025 Prioritize audio resend before video resend and implement TTL.
Adds separate priorities for audio and video retranmission.
Done by adding an original type to RtpPacketToSend.

Add possiblity to set TTL for audio nack, video nack and video packet separately.
Oldest packet for these types are dropped when a new packet of that type is pushed to the pacer, or when the pacer switch current priority type to that priority.

Effect is that:
   -pacer queue does not grow unlimited for these types if a TTL has been set.
   -an old packet is not sent.

Bug: webrtc:15740
Change-Id: I38718bc570aebca54eacbded69824905f3694f41
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/331823
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#41414}
2023-12-19 13:52:11 +00:00
Per K
b202bc1db2 Per default set PacingController burst interval to 40ms
PacingController per default use a burst interval of 40ms. The behaviour can still be overriden by  using the method SetSendBurstInterval.

Bug: chromium:1354491
Change-Id: Ie3513109e88e9832dff47380c482ed6d943a2f2b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/311102
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#41254}
2023-11-28 07:53:50 +00:00
Danil Chapovalov
c2994790a1 Throttle 'Very high pacing rate' log message
By producing new message only when new max is 10% larger than the previous max.

Bug: b/305042040
Change-Id: Id85784939f944de8115b881471b02214c34b3043
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/323841
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40950}
2023-10-17 13:01:18 +00:00
Per K
0b554e7004 Upper limit pacer send bursts to about 63Kbyte
The purpose is to ensure send socket buffers are not overfilled at high
pacing rates.

Bug: chromium:1354491
Change-Id: Ic6f473080292f84a2a099b85fb5817f7e14e7355
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/323000
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40911}
2023-10-11 14:22:44 +00:00
Markus Handell
c8c4a282a6 Introduce support for video packet batching.
This CL introduces a new feature enabling video packet send batches.
The feature is enabled via
PeerConnectionInterface
::RTCConfiguration
::MediaConfig
::enable_send_packet_batching.

PacketOptions have been augmented with attribute "batchable" (set for
all video packets) and attribute "last_packet_in_batch" which gives
injected AsyncPacketSockets a chance to understand when a batch begins
and ends.

When the feature is on, packets are collected in RtpSenderEgress. On
reception of OnBatchComplete from PacingController, RtpSenderEgress
sends the collected batch, setting "last_packet_in_batch" to true
in the last packet.

Bug: chromium:1439830
Change-Id: I1846b9d4a8a0efd227d617691213a2e048bdc8a2
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/303720
Commit-Queue: Markus Handell <handellm@webrtc.org>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40012}
2023-05-08 16:24:03 +00:00
Erik Språng
aab1bdea11 Add ability to flush packets from pacer queue on a key frame
Bug: webrtc:11340
Change-Id: I70a97ab3ea576e54f1b4cf02042af5e6d5d6c2de
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/300541
Auto-Submit: Erik Språng <sprang@webrtc.org>
Reviewed-by: Ying Wang <yinwa@webrtc.org>
Commit-Queue: Ying Wang <yinwa@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39805}
2023-04-11 10:51:33 +00:00
Erik Språng
ea41da2f9f Remove unused field trial WebRTC-Pacer-MinPacketLimitMs
Bug: None
Change-Id: Ifa7dc8a58846578531978fb1e281fc8634717028
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/293348
Auto-Submit: Erik Språng <sprang@webrtc.org>
Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39313}
2023-02-15 12:39:07 +00:00
Per Kjellander
bbbb9021fa Remove deprecated void CreateProbeCluster(DataRate bitrate, int cluster_id)
Bug: webrtc:14027
Change-Id: I32df58767b9a48e03fedefa34f3652fc16bdea10
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/287060
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38925}
2022-12-20 12:34:10 +00:00
Erik Språng
1b11b58b56 Remove pending packets from the pacer when an RTP module is removed.
This CL adds functionality to remove packets matching a given SSRC from
the pacer queue, and calls that with any SSRCs used by an RTP module
when that module is removed.

Bug: chromium:1395081
Change-Id: I13c0285ddca600e784ad04a806727a508ede6dcc
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/287124
Reviewed-by: Jakob Ivarsson‎ <jakobi@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38880}
2022-12-13 11:32:58 +00:00
Erik Språng
e03862bcbf Avoid replaying excessive padding generation.
If the real-time clock makes a sudden and large shift forward while
there is at least one packet in the queue, the pacer would previously
try to "replay" the behavior it would have done while it was asleep.
This can lead to grand bursts of padding packets, which is
undesireable.
This CL mitigates this problem by forwarding the internal state clock
to (now - 50ms) if there is nothing to do but generate padding.

Bug: webrtc:11340, b/258509536
Change-Id: I5b8a130d938dd2566f72c1946c139f50e099e5a9
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/285380
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38752}
2022-11-29 09:56:48 +00:00
Erik Språng
e158b77427 Make PacingController circuit breaker configurable.
We have seen a few instances in a down-stream project where the circuit
breaker is still triggering and causing issues.
This CL makes the threshold configurable and adds more debug logging to
try and get to the bottom of this rarely occuring bug.

Bug: webrtc:11340, b/258509536
Change-Id: I92674d446b926ad66538ff9c8be2a32a3d95b057
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/283762
Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38664}
2022-11-17 12:26:24 +00:00
Rasmus Brandt
ad68affb90 PacingController: remove unused kDefaultPaceMultiplier
Bug: None
Change-Id: Ida1fa3b8cde7a9c3694095c1d56aca5832498850
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/278040
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Rasmus Brandt <brandtr@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38299}
2022-10-05 10:30:23 +00:00
Erik Språng
767f504875 Prepare packet router for flushing mechanism.
This CL adds the ability to forward aborted retransmission notifications
to specified RTP modules, as well as a way to find the RTX ssrc
associated with a media SSRC.
These will both be used by upcoming logic that can selectively flush
given streams from the pacer queue.

Bug: webrtc:11340
Change-Id: Ief3be47e4fd7dc5a1499bc21890e8979400ecb44
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/274706
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38050}
2022-09-09 13:54:05 +00:00
Erik Språng
c18a8fd8d1 Add field trial for fast retransmissions.
This adds a (default off) flag which makes retransmissions be processed
immediately, just like audio packets normally are.
This might increase send rates and thus losses in some cases, but will
also reduce retranmission delays especially when timer slack or bursting
is used. Usefuleness TBD via experiment.

Bug: chromium:1354491
Change-Id: Icaa83125bfb30826ce72e6e786963d411e05ea57
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/272483
Commit-Queue: Erik Språng <sprang@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37926}
2022-08-29 11:52:14 +00:00
Erik Språng
a9627e770e Remove unused class RoundRobinPacketQueue.
This removes the field trial WebRTC-Pacer-UsePrioritizedPacketQueue.

Bug: webrtc:11340
Change-Id: I9a7ee64ff5ae3ad1fee6ed5d552ec681e3b4b534
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/272240
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37852}
2022-08-20 11:28:17 +00:00
Erik Språng
c52e627c83 Remove WebRTC-Pacer-DynamicPaddingTarget field trial
Bug: webrtc:10809
Change-Id: I9f4adbea5721408b339bbf7497c20834537e50c0
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/268145
Auto-Submit: Erik Språng <sprang@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37480}
2022-07-07 12:24:04 +00:00
Erik Språng
df9e51a190 Fix issue with pacing rate after long queue times.
A recent cleanup cl (r36900) had an unintended side-effect.

If the queue-time limit is expected to be hit, we adjust the pacing
bitrate up to make sure all packets are sent within the nominal time
frame.
However after that change we stopped adjusting the pacing rate back to
normal levels when queue clears - at least not until the next BWE
update (which is fairly often - but not immediate).

This CL fixes that, and also makes sure whe properly update the
adjusted media rate on enqueu, dequeue and set rate calls.

Bug: webrtc:10809
Change-Id: If00dc35169f1a1347fea6eb44fdb2868282ed3b7
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/265387
Reviewed-by: Per Kjellander <perkj@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37178}
2022-06-10 11:43:14 +00:00
Henrik Boström
ef241167a5 [SlackedPacer] Don't slack while retransmissions or audio is in queue.
This CL introduces PacketQueue::SizeInPacketsPerRtpPacketMediaType
keeping track of the number of packets in the queue per
RtpPacketMediaType.

The TaskQueuePacedSender is updated not to apply slack if the queue
contains any kRetransmission or kAudio packets. The hope is that not
slacking retransmissions will make the NACK/retransmission regression
of the SlackedPacer experiment go away. Wanting to not slack audio
packets is unrelated to the regression but a sensible thing to due
since audio is highest priority.

This CL does not change anything when the SlackedPacer experiment is
not running, since if its not running then none of the packets are
slacked.

Bug: webrtc:14161
Change-Id: I1e588599b6b64ebfd7d890706b6afd0b84fd746d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/265160
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37139}
2022-06-07 12:16:37 +00:00
Per Kjellander
8d847f077c Introduce PacerController::SendBurstInterval
Allows the PacerController to send packets in bursts. If there are enqued packets, or a packet is enqueued while the pacer have a small media debt, an enqued packet is allowed to be sent immediately as long as the debt is smaller than the set burst interval.

Bug: b/233850913
Change-Id: Ibb0fa63c97409ca23b9fa7148b5ff6ce8c4517e2
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/264462
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37098}
2022-06-02 15:10:06 +00:00
Per Kjellander
88af20356f Use ProbeClusterConfig in BitrateProber from GoogCC
Instead of using field trials in BitrateProber for probe duration, use values provided in ProbeClusterConfig from GoogCC.
Field trials are instead read in ProbeController.

To avoid having to do a thread jump for every ProbeClusterConfig, RtpPacketPacer interface is changed to RtpPacketPacer::CreateProbeClusters(std::vector<ProbeClusterConfig>

Deprecates field trial  "WebRTC-Bwe-ProbingConfiguration"

Change-Id: I3991e4b54770601855a3af2d6a16678f11d41c31
Bug: webrtc:14027
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/261265
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36911}
2022-05-17 12:29:25 +00:00
Erik Språng
f47e941dbd Remove deprecated PacingController constructor
Bug: webrtc:10809
Change-Id: Ic913bd81dc5d043e4307f3b7f80ecacc78852d7f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/262760
Auto-Submit: Erik Språng <sprang@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36906}
2022-05-17 09:59:14 +00:00
Erik Språng
6aa5cea4d3 Remove periodic mode from PacingController.
This completes the removal of the legacy pacer.

Bug: webrtc:10809
Change-Id: I8962ad56aa673f46b2c0e2cf8a5630e2c9942c92
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/262421
Reviewed-by: Per Kjellander <perkj@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36900}
2022-05-16 15:56:34 +00:00
Erik Språng
b73c058702 Add new prioritized packet queue.
This queue is a more strict round robing queue, unlike the class
named RoundRobinPacketQueue. That is, we don't have the same logic to
prioritize lower-bitrate streams.

The queue time mechanism is essentially directly copied from the
previous implementation however.

Bug: webrtc:11340
Change-Id: Ie38ba8ce27c985f5f1e907cec068d6a365089bcc
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/260562
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36737}
2022-05-02 20:49:35 +00:00
Erik Språng
cb56827c55 Abstract the pacer queue behind an interface.
This will make it easier to extend testing, implement new features (e.g.
packet culling) and experiment with new variants.

Bug: webrtc:11340
Change-Id: I747f5f6cff61e11a420e43b06ffe0c4aba438c7b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/260116
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36670}
2022-04-27 11:58:55 +00:00
Erik Språng
8b749e462b Move priority handling from PacingController to packet queue.
This will simplify upcoming changes to the queue.

Bug: webrtc:11340
Change-Id: Id023618fdef8a8bc9fb50e477cc87e6ba20c5421
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259875
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36644}
2022-04-25 14:09:41 +00:00
Erik Språng
acded16424 Revert "Reland "Send first probe packet directly instead of enqueuing it.""
This reverts commit fc5871cb98481937351bee2f46b2a2e3987d177a.

Reason for revert: I rage quit.

Original change's description:
> Reland "Send first probe packet directly instead of enqueuing it."
>
> This is a reland of commit 8088aad5ac0154d8fdc252de9e8ab4e0172d7da2
>
> Patchset 1 is original CL, patchset 2 contains a fix to make behavior
> exactly identical to original. It fixes a difference when the first
> small probe packet comprises the entire probe.
>
> Original change's description:
> > Send first probe packet directly instead of enqueuing it.
> >
> > This avoids potentially creating needless containers in the packet
> > queue and removes usage of the packet prio, allowing it to be moved in
> > an upcoming CL.
> >
> > Bug: webrtc:11340
> > Change-Id: Iddd9e7e4e73c97ab25a85e42bcc0094d61fd60d3
> > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259524
> > Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
> > Commit-Queue: Erik Språng <sprang@webrtc.org>
> > Cr-Commit-Position: refs/heads/main@{#36602}
>
> Bug: webrtc:11340
> Change-Id: I7d2f476a7043edd03f44a4a3de31f13c3c946a8d
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259776
> Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
> Commit-Queue: Erik Språng <sprang@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#36626}

Bug: webrtc:11340
Change-Id: Ife22cff8f5fbf9b70dc24926b84caad82d2738b8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259778
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36628}
2022-04-22 16:01:28 +00:00
Erik Språng
fc5871cb98 Reland "Send first probe packet directly instead of enqueuing it."
This is a reland of commit 8088aad5ac0154d8fdc252de9e8ab4e0172d7da2

Patchset 1 is original CL, patchset 2 contains a fix to make behavior
exactly identical to original. It fixes a difference when the first
small probe packet comprises the entire probe.

Original change's description:
> Send first probe packet directly instead of enqueuing it.
>
> This avoids potentially creating needless containers in the packet
> queue and removes usage of the packet prio, allowing it to be moved in
> an upcoming CL.
>
> Bug: webrtc:11340
> Change-Id: Iddd9e7e4e73c97ab25a85e42bcc0094d61fd60d3
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259524
> Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
> Commit-Queue: Erik Språng <sprang@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#36602}

Bug: webrtc:11340
Change-Id: I7d2f476a7043edd03f44a4a3de31f13c3c946a8d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259776
Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36626}
2022-04-22 15:28:38 +00:00
Erik Språng
660a434307 Revert "Reland "Send first probe packet directly instead of enqueuing it.""
This reverts commit 1386fbca8b558f14336d9863c8a4e8f2654ab568.

Reason for revert: Now another downstream test flakes :(

Original change's description:
> Reland "Send first probe packet directly instead of enqueuing it."
>
> This is a reland of commit 8088aad5ac0154d8fdc252de9e8ab4e0172d7da2
>
> Original change's description:
> > Send first probe packet directly instead of enqueuing it.
> >
> > This avoids potentially creating needless containers in the packet
> > queue and removes usage of the packet prio, allowing it to be moved in
> > an upcoming CL.
> >
> > Bug: webrtc:11340
> > Change-Id: Iddd9e7e4e73c97ab25a85e42bcc0094d61fd60d3
> > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259524
> > Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
> > Commit-Queue: Erik Språng <sprang@webrtc.org>
> > Cr-Commit-Position: refs/heads/main@{#36602}
>
> Bug: webrtc:11340
> Change-Id: I3e0db452961f7f5a8d00ea3283e92ec43da2f66a
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259774
> Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
> Commit-Queue: Erik Språng <sprang@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#36619}

Bug: webrtc:11340
Change-Id: I31b2c6636aca5debe8e4d71546b5a3b9eb746c9d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259862
Auto-Submit: Erik Språng <sprang@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#36620}
2022-04-22 13:01:28 +00:00
Erik Språng
1386fbca8b Reland "Send first probe packet directly instead of enqueuing it."
This is a reland of commit 8088aad5ac0154d8fdc252de9e8ab4e0172d7da2

Original change's description:
> Send first probe packet directly instead of enqueuing it.
>
> This avoids potentially creating needless containers in the packet
> queue and removes usage of the packet prio, allowing it to be moved in
> an upcoming CL.
>
> Bug: webrtc:11340
> Change-Id: Iddd9e7e4e73c97ab25a85e42bcc0094d61fd60d3
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259524
> Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
> Commit-Queue: Erik Språng <sprang@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#36602}

Bug: webrtc:11340
Change-Id: I3e0db452961f7f5a8d00ea3283e92ec43da2f66a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259774
Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36619}
2022-04-22 12:23:59 +00:00
Erik Språng
d090952628 Revert "Send first probe packet directly instead of enqueuing it."
This reverts commit 8088aad5ac0154d8fdc252de9e8ab4e0172d7da2.

Reason for revert: Downstream test failure

Original change's description:
> Send first probe packet directly instead of enqueuing it.
>
> This avoids potentially creating needless containers in the packet
> queue and removes usage of the packet prio, allowing it to be moved in
> an upcoming CL.
>
> Bug: webrtc:11340
> Change-Id: Iddd9e7e4e73c97ab25a85e42bcc0094d61fd60d3
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259524
> Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
> Commit-Queue: Erik Språng <sprang@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#36602}

Bug: webrtc:11340
Change-Id: Ib2a4bdad3ca82108e150feefb2680b880bc316e5
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259763
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36605}
2022-04-21 12:52:34 +00:00
Erik Språng
8088aad5ac Send first probe packet directly instead of enqueuing it.
This avoids potentially creating needless containers in the packet
queue and removes usage of the packet prio, allowing it to be moved in
an upcoming CL.

Bug: webrtc:11340
Change-Id: Iddd9e7e4e73c97ab25a85e42bcc0094d61fd60d3
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259524
Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36602}
2022-04-21 10:34:04 +00:00
Jonas Oreland
e62c2f2c77 WebRTC-DeprecateGlobalFieldTrialString/Enabled/ - part 12/inf
rename WebRtcKeyValueConfig to FieldTrialsView

Bug: webrtc:10335
Change-Id: If725bd498c4c3daf144bee638230fa089fdde833
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/256965
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Jonas Oreland <jonaso@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36365}
2022-03-29 10:14:00 +00:00
Jianhui Dai
df59e53818 Reland "Pacer: Reduce TQ wake up and improve packet size estimation"
Update `early_execute_margin` after process packets, and the test case.

Original change's description:
>Pacer: Reduce TQ wake up and improve packet size estimation
>
>The TQ Pacer schedules delayed task according to target time of
>PacingController. It drains all valid ProcessPackets() in single loop,
>denies retired scheduled tasks, and round up the timeout to 1ms.
>
>This CL also improves packet size estimation in TQ Pacer by removing
>zero initialization, and introduces `include_overhead_` configuration.
>
>Tests:
>1. webrtc_perf_tests: MaybeProcessPackets() calls
>  2075147 -> 2007995
>
>2. module_unittests: MaybeProcessPackets() calls
>  203393 -> 183563
>
>3. peerconnection_unittests: MaybeProcessPackets() calls
>  66713-> 64333
>
>Bug: webrtc:13417, webrtc:13437
>Change-Id: I18eb0a36dbe063c606b1f27014df74a65ebfc486
>Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/242962
>Reviewed-by: Erik Språng <sprang@webrtc.org>
>Reviewed-by: Henrik Boström <hbos@webrtc.org>
>Commit-Queue: Erik Språng <sprang@webrtc.org>
>Cr-Commit-Position: refs/heads/main@{#36179}

Bug: webrtc:13417, webrtc:13437
Change-Id: I79f2554cf02364b67ce7073698611a3ae337a73b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/256145
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Owners-Override: Erik Språng <sprang@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36283}
2022-03-21 16:41:42 +00:00
Erik Språng
1a08096998 Clean up the TaskQueuePacedSender constructor.
Removes the unused event log pointer and the default arguments.

Bug: webrtc:13417
Change-Id: I90341528cdfd7a5c102addaa4e7c83e875525386
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/255562
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36238}
2022-03-17 15:23:46 +00:00
Erik Språng
6673437775 Move ownership of congestion window state to rtp sender controller.
When congestion window is used, two different mechanisms can currently
update the outstanding data state in the pacer:
* OnPacketSent() withing the pacer itself, when a packet is sent
* UpdateOutstandingData(), when RtpTransportControllerSend either:
  a. Receives an OnPacketSent() callback (increase outstanding data)
  b. Receives transport feedback (decrease outstanding data)

This creates a lot of calls to UpdateOutstandingData(), more than one
per sent packet. Each requires locking and/or thread jumps. To avoid
that, this CL moves the congestion window state to
RtpTransportController send - and we only post a congested flag down
the the pacer when the state is changed.

The only benefit I can see is of the old way is we prevent sending
new packets immedately when the window is full, rather than in some
edge cases queue extra packets on the network task queue before the
congestion signal is received. That should be rare and benign.
I think this simplified logic, which is easier to read and more
performant, is a better tradeoff.

Bug: webrtc:13417
Change-Id: I326dd88db86dc0d6dc685c61920654ac024e57ef
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/255600
Auto-Submit: Erik Språng <sprang@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Commit-Queue: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36220}
2022-03-16 15:30:03 +00:00
Erik Språng
e486a7bdf7 Make KeyValueConfig mandatory in the pacer.
This CL also removes dependency on the legacy field trial methods.

Bug: webrtc:11926
Change-Id: I53feeee86b92878cf0f2b8ebdce3d101f9e04014
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/255381
Reviewed-by: Jonas Oreland <jonaso@webrtc.org>
Auto-Submit: Erik Språng <sprang@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Commit-Queue: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36205}
2022-03-15 15:07:46 +00:00
Mirko Bonadei
d8543dedf2 Revert "Pacer: Reduce TQ wake up and improve packet size estimation"
This reverts commit 37195cf2e577cc09ad1362d046b5c8a9b65d4f99.

Reason for revert: Breaks downstream tests (more investigations and testing is necessary).

Original change's description:
> Pacer: Reduce TQ wake up and improve packet size estimation
>
> The TQ Pacer schedules delayed task according to target time of
> PacingController. It drains all valid ProcessPackets() in single loop,
> denies retired scheduled tasks, and round up the timeout to 1ms.
>
> This CL also improves packet size estimation in TQ Pacer by removing
> zero initialization, and introduces `include_overhead_` configuration.
>
> Tests:
> 1. webrtc_perf_tests: MaybeProcessPackets() calls
>   2075147 -> 2007995
>
> 2. module_unittests: MaybeProcessPackets() calls
>   203393 -> 183563
>
> 3. peerconnection_unittests: MaybeProcessPackets() calls
>   66713-> 64333
>
> Bug: webrtc:13417, webrtc:13437
> Change-Id: I18eb0a36dbe063c606b1f27014df74a65ebfc486
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/242962
> Reviewed-by: Erik Språng <sprang@webrtc.org>
> Reviewed-by: Henrik Boström <hbos@webrtc.org>
> Commit-Queue: Erik Språng <sprang@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#36179}

No-Try: True
Bug: webrtc:13417, webrtc:13437
Change-Id: I5418d26d3978f21765ef38acfb002398e671e036
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/255301
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Owners-Override: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#36185}
2022-03-14 09:35:56 +00:00
Jianhui Dai
37195cf2e5 Pacer: Reduce TQ wake up and improve packet size estimation
The TQ Pacer schedules delayed task according to target time of
PacingController. It drains all valid ProcessPackets() in single loop,
denies retired scheduled tasks, and round up the timeout to 1ms.

This CL also improves packet size estimation in TQ Pacer by removing
zero initialization, and introduces `include_overhead_` configuration.

Tests:
1. webrtc_perf_tests: MaybeProcessPackets() calls
  2075147 -> 2007995

2. module_unittests: MaybeProcessPackets() calls
  203393 -> 183563

3. peerconnection_unittests: MaybeProcessPackets() calls
  66713-> 64333

Bug: webrtc:13417, webrtc:13437
Change-Id: I18eb0a36dbe063c606b1f27014df74a65ebfc486
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/242962
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36179}
2022-03-11 14:17:33 +00:00
Jianhui Dai
9445779545 TaskQueuePacedSender: Remove pacer status update scheduler
The pacer status is never changed unless MaybeProcessPackets() is
called. This CL removes the scheduler, and updates pacer status after
every MaybeProcessPackets().

Bug: webrtc:10809, webrtc:13417
Change-Id: Ib5f18decf44c1596c0a716d799600a72b2332abd
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/239120
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35489}
2021-12-07 13:03:29 +00:00
Jianhui Dai
c694270149 Update commentary of PacingController
Change-Id: I9bb971b30fc1090bec881a9c179e55031457d7a9

Bug: none
Change-Id: I9bb971b30fc1090bec881a9c179e55031457d7a9
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/237521
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35334}
2021-11-11 10:43:43 +00:00
Erik Språng
0f86c1f125 Add ability to control TaskQueuePacedSender holdback window.
Holdback window can be specified as absolute time and in terms of packet
send times. Example:
WebRTC-TaskQueuePacer/Enabled,holdback_window:20ms,holdback_packet:3/

If current conditions have us running with 2000kbps pacing rate and
1250byte (10kbit) packets, each packet send time is 5ms.
The holdback window would then be min(20ms, 3*5ms) = 15ms.

The default is like before 1ms and packets no take into account when
TQ pacer is used, parameters have no effect with legacy process thread
pacer.

Bug: webrtc:10809
Change-Id: I800de05107e2d4df461eabaaf1ca04fb4c5de51e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/233421
Commit-Queue: Erik Språng <sprang@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35266}
2021-10-26 15:49:42 +00:00
Artem Titov
ee3e3fdfb6 Use backticks not vertical bars to denote variables in comments for /modules/pacing
Bug: webrtc:12338
Change-Id: Id3b5081cf73be31829d75d7ef34942c2259053da
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/227096
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#34674}
2021-08-09 11:51:32 +00:00
Erik Språng
d708677d7a Cleans up WebRTC-Pacer-SmallFirstProbePacket flag
Bug: None
Change-Id: I535e18a5f1eabea2c24c17bc42602689f356c647
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/196362
Reviewed-by: Per Kjellander <perkj@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32776}
2020-12-04 15:34:10 +00:00
Erik Språng
b9d3809418 Allows bitrate prober to discard delayed probes, unit type refactorings
This CL adds a parameter to the BirateProber field trial config, which
allows the prober to actually discard probe cluster is pacer scheduling
is too delayed. Today it just keeps going at a too low rate.
Some refactoring was needed anyway, so also switch to using unit types
in more places.

Initially keeps legacy behavior default, to verify no perf regressions.

Bug: webrtc:11780
Change-Id: I9edd114773b10a8d86b54a1a0398a4052aab9dd5
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/179090
Commit-Queue: Erik Språng <sprang@webrtc.org>
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31756}
2020-07-17 10:57:44 +00:00
Markus Handell
3d2210876e Remove unused critical section includes.
Bug: webrtc:11567
Change-Id: Ic5e43c51ce06c0619adc265d12ad4bef73a9df76
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/179521
Reviewed-by: Tommi <tommi@webrtc.org>
Commit-Queue: Markus Handell <handellm@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31745}
2020-07-16 13:52:28 +00:00