Media/WebRTC/libwebrtc Update Process/automation plan: Difference between revisions

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This describes the rough plan to document and automate the process to "fast-forward" through webrtc.org libwebrtc change-sets to bring Firefox's libwebrtc version as close as possible to Chrome.  This page will be updated as new information is discovered.
This describes the rough plan to document and automate the process to "fast-forward" through webrtc.org libwebrtc change-sets to bring Firefox's libwebrtc version as close as possible to Chrome.  This page will be updated as new information is discovered.


== Plan Overview ==
* repo tasks
:- update [https://github.com/mozilla/libwebrtc moz-libwebrtc] fork to latest [https://webrtc.googlesource.com/src webrtc.org]
:- update [https://hg.mozilla.org/projects/elm elm] to latest [https://hg.mozilla.org/mozilla-central moz-central]
* verify generation/build with extra, unused directories from stock moz-libwebrtc in place
* verify generation/build with extra, unused directories from stock moz-libwebrtc in place
* verify current vendoring scripts cmd-line params
* verify current vendoring scripts cmd-line params

Revision as of 22:00, 1 February 2022

This describes the rough plan to document and automate the process to "fast-forward" through webrtc.org libwebrtc change-sets to bring Firefox's libwebrtc version as close as possible to Chrome. This page will be updated as new information is discovered.

Plan Overview

  • repo tasks
- update moz-libwebrtc fork to latest webrtc.org
- update elm to latest moz-central
  • verify generation/build with extra, unused directories from stock moz-libwebrtc in place
  • verify current vendoring scripts cmd-line params
- check moz-central a93c2d1df066 - Bug 1654112 - Vendor libwebrtc for rel86
- check moz-central d1df4970f4f0 - Bug 1654112 - Vendor libwebrtc/third_party for rel86
- check moz-central a93c2d1df066 - Bug 1654112 - Vendor libwebrtc/build for rel86
  • remove dead/unused files in third_party/libwebrtc
  • identify patch set to "undo" back to vendored moz-libwebrtc
  • identify patch set to "undo" back to upstream revision (edd7f9e94d)
  • move one changeset forward in webrtc.org history
- verify local build in moz-libwebrtc
- apply moz-libwebrtc-to-upstream patches, verify local build
- vendor moz-libwebrtc
- apply moz-central patches
- full try run
  • write automation scripts for previous steps

Findings

current third_party/libwebrtc directories and status

  • Additional vendoring
build (with some changes during vendoring)
third_party
  • Mozilla added
README.mozilla - generated during vendoring process
moz.build - generated by generate-gn-build-files.sh
webrtc_gn - generated by generate-gn-build-files.sh
X11 - imported later by Byron in c91f12b557a1 D113830
sdk/objc - imported later by Byron in 9314046d89eb D105015
tools/grit - imported later by Nico in 3cce5e6938f0 D114027
  • Untouched from Bug 1665166 - Move media/webrtc/trunk/* to third-party/libwebrtc
README.md   (should have been vendored)
DEPS        (should have been vendored)
google_apis (is this referenced/used by current code?)
tools/clang (is this referenced/used by current code?)            
chromium_deps                   
dummy_file.txt                  
net                             
Makefile.old                    
peerconnection_client.target.mk 
peerconnection.Makefile

remove dead/unused files

  • Successfully removed:
chromium_deps
dummy_file.txt
net
Makefile.old
peerconnection_client.target.mk
peerconnection.Makefile
- successful try builds
tools/clang
- successful try builds
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