mf523/video-stream-bridge

A small program that play and send video stream over to another backend service for processing, then play the processed stream in live.

Video Stream Bridge

A small program that play and send video stream over to another backend service for processing, then play the processed stream in live.

Features

• Media support: MP4, MJPEG, HLS, Webcam, screenshare
• Connectivity: video on internet/local network to processing service on internet/local network
• Backend processing: customizable backend processing, plug and play
• UI Screenshot

Requirements

• Python 3.8+ (required by shm)
• aiortc 1+
• opencv-python 4.4+
• Pillow 8+

Throubleshooting

• RuntimeError: Cannot re-initialize CUDA in forked subprocess. To use CUDA with multiprocessing, you must use the 'spawn' start method ** https://discuss.pytorch.org/t/multiprocessing-for-cuda-error/16866/4 ** pytorch/pytorch#40403
• getUserMedia, getDisplayMedia are not available via http protocol ** https://stackoverflow.com/questions/60957829/navigator-mediadevices-is-undefined
• some mjpeg cams do not support CORS
• webcam and sharescreen requires safe network environment

References

• https://webrtc.github.io/samples/
• https://github.com/aiortc/aiortc
• https://www.lynnislu.com/posts/mjpeg/
• https://hls-js.netlify.app/demo/