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Video play Firefox
Posted: Wed Feb 26, 2025 12:32 pm
by busymind
Watching a record something weird is happening with all the control buttons, once you select and click on the track (gray area), almost all the buttons start clipping and CPU goes high. The video play OK but the start and pause are alternating on the video.
After latest update yesterday the play starts where I click, seems fixed now.
Station with Debian 12, Kde, Firefox 128.7.0esr (64-bit) Nvidia Quadro M2000, 4G Memory Xenon.CPU
Re: Video play Firefox
Posted: Wed Feb 26, 2025 12:56 pm
by IgorA100
Sometimes I had similar behavior.
But it was so rare that I did not analyze the situation.
Re: Video play Firefox
Posted: Wed Feb 26, 2025 2:06 pm
by iconnor
I have been seeing this as well. I believe it is due to how we store the mp4 in a fragmented way so that we can watch it while still recording.
Re: Video play Firefox
Posted: Fri Feb 28, 2025 3:57 am
by busymind
A note, appears also when I watch a recorded video, from events. and not rare, reproducible on any video.
How To:
{Console > Events > Pick a video from list > double click on video > start's playing fine (now after upgrade), then go in full screen (almost 60%) > with happy clipping > double click back into page continues clipping. } -- sorry for details,
That 60 % - the outer black portion is the firefox full screen.

- Screenshot_20250227_234755.png (66.6 KiB) Viewed 13574 times
Sometimes the video does not goes in full screen, you have to play with the buttons to achieve the full screen. I have to double click again to go in full screen or remains only the play controls on top without image. Double click on black image will go back into web browser frame.
I tried to do a gif of the hole operation but still gets large to attach it here.
Another side effect, CPU goes high while watching in this clipping state, mines are enough powerful (). But, who is watching recorded videos

Re: Video play Firefox
Posted: Fri Feb 28, 2025 10:08 am
by IgorA100
Unfortunately, I couldn't reproduce this issue

By the way, try this PR:
https://github.com/ZoneMinder/zoneminder/pull/4237
Maybe it will fix the issue

Re: Video play Firefox
Posted: Fri Feb 28, 2025 2:33 pm
by busymind
I will see. Now I am visiting from phone, hard to see on small screen. Something happened, seems my Lan IP is banned accessing the forum... other connections are fine except just this forum. I just leave overnigh my laptop open.
Tried from different browsers but seems targeting my ip.
addendum:
zmupdate.pl error 500 can't connect to update.zoneminder.com:443
No offense intended.
Re: Video play Firefox
Posted: Sat Mar 01, 2025 1:37 pm
by iconnor
What is your ip?
Re: Video play Firefox
Posted: Thu Mar 06, 2025 1:08 am
by busymind
I am fine now. Thanks for help.
Re: Video play Firefox
Posted: Thu Mar 06, 2025 1:33 am
by busymind
I had tested further:
1. On a windows station with Nvidia T300 card and the view and clipping mentioned is not appearing - Firefox. All smooth.
2. Linux, clipping seems appearing only on this linux station running linux nvidia driver with GPU activated - Firefox. Does not bother me, I just report it.
3. On macmini is fine, Safari is fine, however in Firefox the play button on corner left is still appearing. I have cleared the browser cache just in case (started normal mode and private mode) same results.
I know is the battles of the browsers and scripting - usual stuff. I know I use Firefox personally.
Zoneminder 1.37.66 latest at this hour.
Cheers
Re: Video play Firefox
Posted: Thu Mar 06, 2025 5:31 pm
by IgorA100
busymind wrote: ↑Thu Mar 06, 2025 1:33 am
I had tested further:
Thanks for the information.