LibrePlanet: Conference/2023/Streaming
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| − | + | Each conference room was equipped with a desktop with [https://libreboot.org/docs/hardware/kgpe-d16.html librebooted ASUS KGPE-D16 motherboard] for the FSF tech team and volunteers and a [https://libreboot.org/docs/hardware/t400.html librebooted Lenovo T400 laptop] for the presenters to use. | |
| − | + | The desktop machine streamed out to the world via [https://directory.fsf.org/wiki/Obs-studio OBS Studio (Open Broadcaster Software)] and [https://directory.fsf.org/wiki/Icecast Icecast]. Connected to the desktop machine was a webcam, projector, and a mixer with a microphones and a loudspeaker connected. | |
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| + | The laptop's screen streamed to the desktop.<!-- Add script here --> | ||
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| + | All of the devices were placed on the same local LAN with a hub.<!-- Add details here --> | ||
If there was a pre-recorded video, it was played locally on the machine with [https://directory.fsf.org/wiki/Mpv mpv]. | If there was a pre-recorded video, it was played locally on the machine with [https://directory.fsf.org/wiki/Mpv mpv]. | ||
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For remote speakers, we hosted our own BigBlueButton 1.9 instance for remote speakers to connect to and enter a video "call" with a computer. A screen capture of this call was then simultaneously streamed in OBS. | For remote speakers, we hosted our own BigBlueButton 1.9 instance for remote speakers to connect to and enter a video "call" with a computer. A screen capture of this call was then simultaneously streamed in OBS. | ||
Revision as of 16:05, 18 July 2023
Each conference room was equipped with a desktop with librebooted ASUS KGPE-D16 motherboard for the FSF tech team and volunteers and a librebooted Lenovo T400 laptop for the presenters to use.
The desktop machine streamed out to the world via OBS Studio (Open Broadcaster Software) and Icecast. Connected to the desktop machine was a webcam, projector, and a mixer with a microphones and a loudspeaker connected.
The laptop's screen streamed to the desktop.
All of the devices were placed on the same local LAN with a hub.
If there was a pre-recorded video, it was played locally on the machine with mpv.
For remote speakers, we hosted our own BigBlueButton 1.9 instance for remote speakers to connect to and enter a video "call" with a computer. A screen capture of this call was then simultaneously streamed in OBS.
OBS Settings are listed below:
#### Output ##### Recording tab Output Mode drop-down: `Advanced` * Type: `Custom Output (FFmpeg)` * FFmpeg Output Type: `Output to URL` * File path or URL: `icecast://source:PASSWORD@example.fsf.org:8000/stream-room-NAME.webm` * Note: Password has an O as in Opal. Not a zero. * Container format: `webm` * Muster settings (if any): `content_type=video/webm cluster_time_limit=5100 cluster_size_limit=2M` * Video Bitrate: `1500 Kbps` * Keyframe interval (frames): `150` * Rescale Output: greyed out, not settable. * Show all codecs (even if potentially incompatible): checked * Video Encoder: `libvpx` * Video Encoder Settings (if any): `rt cpu-used=5 threads=2 error-resilient=1 crf=30 g=150 minrate=1.5M maxrate=1.5M` * Audio Bitrate: `96 Kbps` * Audio Track: check mark on 1. * Audio Encoder: `libvorbis` * Audio Encoder Settings (if any): empty #### Audio * Desktop Audio: (Set to your output device such that you see sound levels when there is audio playing on your system) * When using the Behringer U-CONTROL UCA222 USB audio device, it comes up as `PCM2902 Audio Codec Analog Stereo` #### Video Base (Canvas) Resolution: `1280x720`
