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August 2, 2023 12:39
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Grab a snapshot from an RTSP video stream every 1 second.
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| #!/bin/bash | |
| url='rtsp://10.0.1.10:554/video-stream' | |
| avconv -i $url -r 1 -vsync 1 -qscale 1 -f image2 images%09d.jpg |
ffmpegis way too slow for this kind of job. Takes around 6 seconds
Is that an ffmpeg issue or an RTSP issue?
Is that an ffmpeg issue or an RTSP issue?
Most is probably protocol overhead and initial negotiation. I ended up using OpenCV for the task + additional motion detection.
Just dumped a Gist for reference here: https://gist.github.com/alfonsrv/a788f8781fb1616e81a6b9cebf1ea2fa
Just dumped a Gist for reference here:
Do you have a command line example of use? I get name 'STREAM_URL' is not defined
Ronald
PS. I find that ffmpeg causes Fedora 33 to crash after a day (running it permanently) and Raspbian ffmpeg never gets a result (too old?)
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@AnSieger
ffmpegis way too slow for this kind of job. Takes around 6 seconds for each grab from what I have experienced.