Hi Adam,
Thanks a lot, problem is solved!!!
Yes its an ONVIF camera. I know that it can produce single JPEG
pictures, but as i saw in the camera settings, its on sub channel which
settings offers only 640*480 MJPEG picture, so i passed this. But now i
did a try, and i'm now surprised, because wth the following command i
got a full resolution (2688*1520) JPEG image very quick:
wget -O /<SAVETOPATH>/$today.jpeg
http://<USERNAME>:<PASSWORD>@<IPADDRESS>/ISAPI/Streaming/channels/1/picture
So i think with this my problem is solved, and many thanks again for
your tip!!
Regards, Laszlo
2022. 04. 08. 5:45 keltezéssel, Adam Nielsen via ffmpeg-user írta:
I have an RTSP stream which framerate is 1/16, which means every 16 sec
a frame is transported through RTSP. This framerate is because of a
special purpose, cannot and want not to change it.
What i want is to save every frame of this video as single JPEG image on
my server (Linux). Here the full command, which is working in bash script:
This looks like an ONVIF camera. Most of these offer screenshots in
JPEG format, so you can use curl or wget to download a single frame as
a .jpg when you need it.
Is there a reason why you don't want to use the screenshot URL?
its waiting about 2 minutes. But don't know why?
libswscale 4. 8.100 / 4. 8.100
libswresample 2. 9.100 / 2. 9.100
libpostproc 54. 7.100 / 54. 7.100
And after that its finishing with the following lines:
Input #0, rtsp, from
It looks like it might be trying to probe the input to figure out what
format it's in, since you can stream multiple codecs over RTSP.
You could try messing with the -probesize option, but I'd only do this
if there's some reason why the screenshot URL is unusable.
Cheers,
Adam.
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