backend
1.v4l server is a in/out switch,dashboard
2.every capture device is a node on v4l, /dev/video0,/dev/dsp2
3.video is that nodes video details struct referred by symbolic name (details of type,channel table ,freq )
4.inputs ---- links a video details to capture device
frontend
1.input device --- stream encoding
2.output device ---- encoding audio/video
No comments:
Post a Comment