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Calvin Walton 54e128f0d3 recording: Don't use tpad to pad start of videos 
The tpad filter doesn't actually extend the video backwards (i.e. it
does not create frames with timestamps earlier than the first video
timestamp). Instead, it *delays* the start of the video.

Using it incorrectly was causing audio/video desyncs in the desktop
sharing, and also occasional processing failure if it pushed back the
video enough that the compositing ffmpeg process didn't end up reading
to the end of the input video.

Use the fps filter's "start_time" option instead, which *does* extend
the video backwards to the configured start time by duplicating the
first frame.
2023-02-21 15:23:44 -05:00
.github Merge pull request #16750 from gustavotrott/ci-artifacts-logs-configs 2023-02-17 09:57:12 -05:00
akka-bbb-apps Merge remote-tracking branch 'upstream/v2.6.x-release' into issue-13867 2023-02-08 11:41:10 -03:00
akka-bbb-fsesl [issue-16590] - Change ownership of logging dir 2023-02-10 16:55:28 -03:00
bbb-common-message [issue-13867] - related to #15118 2023-01-31 11:10:58 -03:00
bbb-common-web Merge pull request #16674 from paultrudel/checksum-ignore-case 2023-02-13 09:46:22 -05:00
bbb-export-annotations Merge pull request #16105 from danielpetri1/nodejs-info 2022-12-22 13:35:50 -05:00
bbb-fsesl-client chore: upgrade scala 2.13.4 -> 2.13.9 2022-12-20 16:07:08 +00:00
bbb-learning-dashboard make timeline actions visible to screen readers 2023-01-25 15:12:09 +00:00
bbb-libreoffice Switch bbb-soffice parent image to amazoncorretto:17-alpine 2022-12-29 20:05:06 +00:00
bbb-recording-imex add .gitignore for bbb-recording-imex 2023-01-25 18:40:58 +00:00
bbb-voice-conference/config/freeswitch Merge branch 'develop' into fixjitterbuffer 2022-12-30 14:08:23 +00:00
bigbluebutton-config chore: bump release to 2.6.0-rc.4 2023-02-17 11:40:53 -05:00
bigbluebutton-html5 Merge pull request #16747 from bigbluebutton/translations_bigbluebutton-html5-public-locales-en-json--v2-6-x-release_tr 2023-02-17 09:59:23 -05:00
bigbluebutton-tests Merge pull request #16673 from gabriellpr/additional-custom-parameters 2023-02-16 02:00:21 -05:00
bigbluebutton-web [issue-13867] - remove and related settings 2023-01-31 10:30:55 -03:00
build Merge pull request #16672 from antobinary/fs-1.10.9 2023-02-07 13:12:36 -05:00
docs Delete CNAME 2023-02-10 14:51:52 -05:00
labs/stress-testing Removes vertx-akka file 2022-06-30 16:51:23 -03:00
record-and-playback recording: Don't use tpad to pad start of videos 2023-02-21 15:23:44 -05:00
.gitignore refactor: further cleanup of bbb-demo 2022-07-14 14:55:10 +00:00
.gitlab-ci.yml Merge branch 'v2.5.x-release' of github.com:bigbluebutton/bigbluebutton into merge-jan-5 2023-01-05 20:26:36 +00:00
.nvmrc Add .nvmrc 2018-10-03 13:33:59 -04:00
bbb-etherpad.placeholder.sh Merge remote-tracking branch 'upstream/v2.4.x-release' into merge-24-25-mar09 2022-03-09 20:40:07 +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 build(bbb-pads): v1.4.0 2022-12-21 13:54:38 -05:00
bbb-playback.placeholder.sh chore: bump bbb-playback to v5.0.0-rc.1 2023-02-01 12:44:18 -05:00
bbb-presentation-video.placeholder.sh chore: bump bbb-presentation-video to 4.0.0-beta.4 2023-02-08 22:37:40 +00:00
bbb-webhooks.placeholder.sh build(webhooks): v2.6.0 2022-05-24 14:08:12 +00:00
bbb-webrtc-sfu.placeholder.sh build(bbb-webrtc-sfu): v2.9.5 2022-11-30 11:25:22 -03:00
freeswitch.placeholder.sh build: bump FreeSWITCH from 1.10.8 to 1.10.9 2023-02-07 18:10:57 +00:00
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: set 2.5 as the recommended version, discontinue 2.3 2022-06-15 10:10:27 -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 .