Reland of Don't send FEC for H.264 with NACK enabled. (patchset #1 id:1 of https://codereview.webrtc.org/1692783005/ )

Reason for revert:
Disabling tests on memcheck that time out due to using real VP8 encoders.

Original issue's description:
> Revert of Don't send FEC for H.264 with NACK enabled. (patchset #5 id:80001 of https://codereview.webrtc.org/1687303002/ )
>
> Reason for revert:
> Broke the VerifyHistogramStatsWithRed test on the Windows DrMemory Full bot and Linux Memcheck bot. Please fix the test and reland.
>
> Original issue's description:
> > Don't send FEC for H.264 with NACK enabled.
> >
> > The H.264 does not contain picture IDs and are not sufficient to
> > determine that a packet may be skipped. This causes retransmission
> > requests for FEC that are currently dropped by the sender (since they
> > should be redundant).
> >
> > The receiver is then unable to continue without having the packet gap
> > filled (unlike VP8/VP9 which moves on since it has a consecutive stream
> > of picture IDs).
> >
> > Even if FEC retransmission did work it's a huge waste of bandwidth,
> > since it just adds additional overhead that has to be unconditionally
> > transmitted. This bandwidth is better used to send higher-quality
> > frames.
> >
> > BUG=webrtc:5264
> > R=stefan@webrtc.org
> >
> > Committed: https://crrev.com/25558ad819b4df41ba51537e26a77480ace1e525
> > Cr-Commit-Position: refs/heads/master@{#11601}
>
> TBR=stefan@webrtc.org,pbos@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:5264
>
> Committed: https://crrev.com/29ffdc1a15e31bd81e806ff135c2100d811714f0
> Cr-Commit-Position: refs/heads/master@{#11607}

TBR=stefan@webrtc.org,deadbeef@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:5264

Review URL: https://codereview.webrtc.org/1697093002 .

Cr-Commit-Position: refs/heads/master@{#11621}
5 files changed
tree: 7a08768cfdee86bfcd233ed012cab4b5af63225e
  1. build_overrides/
  2. chromium/
  3. data/
  4. infra/
  5. resources/
  6. talk/
  7. third_party/
  8. tools/
  9. webrtc/
  10. .clang-format
  11. .gitignore
  12. .gn
  13. all.gyp
  14. AUTHORS
  15. BUILD.gn
  16. check_root_dir.py
  17. codereview.settings
  18. COPYING
  19. DEPS
  20. LICENSE
  21. license_template.txt
  22. LICENSE_THIRD_PARTY
  23. OWNERS
  24. PATENTS
  25. PRESUBMIT.py
  26. pylintrc
  27. README.md
  28. setup_links.py
  29. sync_chromium.py
  30. WATCHLISTS
README.md

WebRTC is a free, open software project that provides browsers and mobile applications with Real-Time Communications (RTC) capabilities via simple APIs. The WebRTC components have been optimized to best serve this purpose.

Our mission: To enable rich, high-quality RTC applications to be developed for the browser, mobile platforms, and IoT devices, and allow them all to communicate via a common set of protocols.

The WebRTC initiative is a project supported by Google, Mozilla and Opera, amongst others. This page is maintained by the Google Chrome team.

Development

See http://www.webrtc.org/native-code/development for instructions on how to get started developing with the native code.

More info