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I use a raspberry as a door-bell with camera (DoorPi).
During my absence i´d like to get a Snapshot of the camera as soon as someone rings the door. The v4l2rtspserver is running and blocks the camera (busy device) so i cannot use any of the standard tools to get a quick snapshot.
It is also not an option to shutdown the rtsp server, take a snapshot and put it back on - too time consuming.
On the other hand using ffmpeg to grab a snapshot from the stream takes quite some time until the image is pulled/converted/saved - so the visitor already might be out of sight of the camera (with my installation it is around 8-10 seconds from sending the shell-command until the file is stored).
It would be great to have a possibility to get a fast snapshot (2-3 seconds) out of the stream directly through the server.
I use a raspi 3, GBit LAN
The text was updated successfully, but these errors were encountered:
I'm having a similar use-case with octoprint, where I want to be able to stream the webcam feed as well as take regular snapshots to create a time lapse.
I use a raspberry as a door-bell with camera (DoorPi).
During my absence i´d like to get a Snapshot of the camera as soon as someone rings the door. The v4l2rtspserver is running and blocks the camera (busy device) so i cannot use any of the standard tools to get a quick snapshot.
It is also not an option to shutdown the rtsp server, take a snapshot and put it back on - too time consuming.
On the other hand using ffmpeg to grab a snapshot from the stream takes quite some time until the image is pulled/converted/saved - so the visitor already might be out of sight of the camera (with my installation it is around 8-10 seconds from sending the shell-command until the file is stored).
It would be great to have a possibility to get a fast snapshot (2-3 seconds) out of the stream directly through the server.
I use a raspi 3, GBit LAN
The text was updated successfully, but these errors were encountered: