Seminar Room Cameras
Can one use a cheap IP security camera to stream seminars from a seminar room? Yes, but there are pitfalls. So that others may learn from my mistakes, here are some of the issues I found. Linux was used throughout.
- Image quality: avoiding white-outs and rainbows
- PTZ and Python: controlling a PTZ camera from python
- HLS without transcoding: using ffmpeg to produce a dual bitrate HLS stream without transcoding overheads
- LD_PRELOAD and TCP keep-alives: detecting when the camera is unplugged, and restarting gracefully
- Hardware used