When using an USB Cam or a Picam for v4l2 grabber capture input, then it would be nice to have a possibility to disable the grabber temporary if there is no need to capture. Because a cam will capture all the time, where a (fushicai) grabber only captures when the input source is sending a signal. For me the grabber should capture from the cam only if the TV is on. It is a SmartTV and when I'm watching TV he is reachable in local network. Therefore it should be fine if the v4l2 grabber (USB recording in ng) is deactivated if a specific IP adress isn't reachable and switched on again if the IP is reachable. (or can the USB recording controlled remote/command line, then I can write a separate controller script switching it on / off) Or maybe there are other, better solutions... I'm not sure if related to: https://hyperion-project.org/threads/v4l2-add-shutdown-detection.146/
The quickest way is to write a cron job that checks for Ping response. If the tv state changes, send a json request or use hyperion-remote to enable/disable the grabber
Such a json request and Hyperion-remote call to enable/disable the grabber, is this already possible in classic and ng? How do they look like? For Hyperion remote, is it something different to --clear or -c black ?
NG definitely supports disable/enable - in pretty sure classic doesn’t too (but those brain cells are long gone) Hyperion-remote -h should give you the help
Ok thanks, I think I will do it by a script/cron and controlling with hyperion remote. Found Code: -E, --enable <enable> Enable the Component with the given name. Available Components are [SMOOTHING, BLACKBORDER, FORWARDER, UDPLISTENER, BOBLIGHT_SERVER, GRABBER, V4L, LEDDEVICE] -D, --disable <disable> ... or maybe for all Code: --off deactivates hyperion --on activates hyperion
