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prlanzarin c5b6110b94 fix: correctly dereference present camera streams in FF 
The original BBBVideoStream termination handlers are being overwritten
by screen sharing's service when "Present camera" is started, which
causes the stream not to be dereferenced in the VIDEO_STREAM_STORAGE
map when the camera presentation stops. This breaks subsequent
camera/present camera attempts for the affected deviceId.

The second issue with is that Chrome isn't assigning the
termination handlers for the screen sharing subsystem - which causes
device/permission ejections to be silent.

This extends screen sharing's trackStreamTermination routine to preserve
whatever previous termination handlers were assigned if the stream was
provided beforehand by an external caller - which should fix both of the
aforementioned issues.
2023-08-24 13:42:28 -03:00
.github Add build/deb-helper.sh to cache key 2023-08-17 13:20:49 -03:00
akka-bbb-apps [issue-18449] - changes in review 2023-08-18 10:57:50 -03:00
akka-bbb-fsesl feat(audio): add experimental transparent listen only mode 2023-08-07 19:43:18 -03:00
bbb-common-message [issue-18449] - changes in review 2023-08-18 10:57:50 -03:00
bbb-common-web [plugin-architecture-implementation] - fix for disable downloadable 2023-08-16 11:18:51 -03:00
bbb-export-annotations [issue-18449] - changes in review 2023-08-18 10:57:50 -03:00
bbb-fsesl-client Change target to release for java 17 on fsesl 2023-06-12 21:27:13 +00:00
bbb-learning-dashboard darken activity score green boxes for compliant contrast ratio 2023-07-16 14:21:50 +00:00
bbb-libreoffice Switch bbb-soffice parent image to amazoncorretto:17-alpine 2022-09-28 08:16:38 -03:00
bbb-recording-imex add .gitignore for bbb-recording-imex 2023-01-25 18:40:58 +00:00
bbb-voice-conference/config/freeswitch build(freeswitch): load mod_audio_fork by default 2023-04-25 10:05:06 -03:00
bigbluebutton-config chore: bump BBB version to 2.7.0-rc.2 2023-08-22 21:34:08 -04:00
bigbluebutton-html5 fix: correctly dereference present camera streams in FF 2023-08-24 13:42:28 -03:00
bigbluebutton-tests Merge pull request #18516 from ramonlsouza/2627-aug10 2023-08-11 17:13:21 -04:00
bigbluebutton-web add comment 2023-07-31 17:07:41 -03:00
build build: Update the descriptions for bbb-playback packages 2023-08-10 14:21:54 -04:00
docs docs: added link to 2.7.0-rc.1 2023-08-14 17:24:25 -04:00
labs/stress-testing Removes vertx-akka file 2022-06-30 16:51:23 -03:00
record-and-playback fix(recording): remux bbb-webrtc-recorder and KMS files during archive 2023-08-17 12:38:52 -03:00
.gitignore bbb-presentation-video: Update to 4.0.0-rc.1 2023-03-06 11:57:53 -05:00
.gitlab-ci.yml Merge pull request #17724 from lfzawacki/v2.7.x-release 2023-06-22 05:25:14 -04:00
.nvmrc Add .nvmrc 2018-10-03 13:33:59 -04:00
bbb-etherpad.placeholder.sh Fix permission issue with Etherpad 1.9.1 2023-07-04 21:37:20 +00:00
bbb-lti.placeholder.sh build: add placeholder to pull bbb-lti from other repo 2022-02-28 20:29:11 +00:00
bbb-pads.placeholder.sh chore: Bump bbb-pads to 1.5.1 2023-07-25 11:05:27 -04:00
bbb-playback.placeholder.sh chore: Bump bbb-playback to v5.0.0 2023-03-28 11:09:12 -04:00
bbb-presentation-video.placeholder.sh bbb-presentation-video: Update to 4.0.3 2023-07-17 12:01:12 -04:00
bbb-transcription-controller.placeholder.sh build: add bbb-transcription-controller 2023-05-19 13:03:17 -03:00
bbb-webhooks.placeholder.sh build(webhooks): v2.6.0 2022-05-24 14:08:12 +00:00
bbb-webrtc-recorder.placeholder.sh build(bbb-webrtc-recorder): v0.4.1 2023-08-17 12:38:57 -03:00
bbb-webrtc-sfu.placeholder.sh build(bbb-webrtc-sfu): v2.11.0 2023-08-17 19:48:33 -03:00
freeswitch.placeholder.sh build(freeswitch): v1.10.10 2023-08-14 08:53:44 -03:00
LICENSE Add license file 2020-04-23 13:51:05 -03:00
README.md build: swap bionic with focal 2022-03-14 19:04:23 +00:00
SECURITY.md chore: Update SECURITY.md for BBB 2.6 (#17117) 2023-03-20 17:35:25 -04:00
transifex.yml fix: Change naming of resulting translated locales file 2022-12-20 13:50:44 -05:00

README.md

BigBlueButton

BigBlueButton is an open source web conferencing system.

BigBlueButton supports real-time sharing of audio, video, slides (with whiteboard controls), chat, and the screen. Instructors can engage remote students with polling, emojis, multi-user whiteboard, and breakout rooms.

Presenters can record and playback content for later sharing with others.

We designed BigBlueButton for online learning, (though it can be used for many other applications as well). The educational use cases for BigBlueButton are

  • Online tutoring (one-to-one)
  • Flipped classrooms (recording content ahead of your session)
  • Group collaboration (many-to-many)
  • Online classes (one-to-many)

You can install on a Ubuntu 20.04 64-bit server. We provide bbb-install.sh to let you have a server up and running within 30 minutes (or your money back 😉).

For full technical documentation BigBlueButton -- including architecture, features, API, and GreenLight (the default front-end) -- see https://docs.bigbluebutton.org/.

BigBlueButton and the BigBlueButton Logo are trademarks of BigBlueButton Inc .