External Video/Camera
Create and use Fake video camera
Create fake video device
sudo modprobe v4l2loopback max_buffers=2 devices=1 video_nr=21 exclusive_caps=1 card_label="Virtual Webcam"
Create stream from Image
sudo ffmpeg -stream_loop -1 -re -i ~/Downloads/om/img/IMG_20210207_135607.jpg -pix_fmt yuv420p -vcodec rawvideo -f v4l2 /dev/video21
Create stream from Video
sudo ffmpeg -stream_loop -1 -re -i ~/Downloads/om/video/Avengers2.mp4 -pix_fmt yuv420p -vcodec rawvideo -f v4l2 /dev/video21
Clean everything up
- Stop ffmpeg process
sudo modprobe -r v4l2loopback
Connecting external video source
Please NOTE: this functionality is not yet implemented in 5.0.x
correct ffmpeg command for testing (width/height only works if both specified)
ffmpeg -re -i Avengers2.mp4 -vcodec flv -f flv -rtmp_conn "O:1 NS:sid:SID_OF_EXISTENT_USER NN:width:720 NN:height:480 O:0" rtmp://localhost:1935/openmeetings/ROOM_ID/UNIQUE_BROADCAST_ID_STRING
Sending video from external camera on Linux: (more info here)
ffmpeg -re -f v4l2 -framerate 30 -video_size 720x480 -i /dev/video0 -vcodec flv -f flv -rtmp_conn "O:1 NS:sid:SID_OF_EXISTENT_USER NN:width:720 NN:height:480 O:0" rtmp://localhost:1935/openmeetings/ROOM_ID/UNIQUE_BROADCAST_ID_STRING
SID_OF_EXISTENT_USER == Admin->Connections -> client “sid” parameter (NOT broadcastId, NOT uid)