Firefox does not show events

[paulberendts]

I run zoneminder on a raspberry, and use a windows PC with firefox to monitor the events.
I can see the direct streams from the camera's and zoneminder records events based on motion detection.
When I try to look at the events in firefox, I see the timeline, but not the video stream.

How can I watch the events in Firefox?

[dougmccrary]

What settings are you using to record? Also, maybe a screenshot of what you're seeing, to be certain I understand.

[paulberendts]

I'm using Zoneminder version 1.36.33 installed on a Raspberry PI 5 with 8 Gb memory.
Screenhots of console, live view and event view are attached, together with all the options.
I've tried al combinations of options M_WEB_H_CAN_STREAM and ZM_WEB_H_STREAM_METHOD, but no luck.

Firefox is the latest version, 123,0 64 bits. I've run Firefox without any extensions and marked the website safe. That did not help.

In the past I ran an older version on a rPI 3, and that version did show the events, although sometimes the playback froze.
Unfortunately that rPI and version is no longer available. The disc crashed, and I decided to upgrade to the latest hardware and software.

Hope you can help.

[dougmccrary]

Possibly h265 from the cameras? Most browsers won't play it. See https://www.lambdatest.com/web-technologies/hevc
And your Monitor->Storage settings?

[paulberendts]

Tha camera is a standard Tapo C310, which uses as far as I can see H264.
I can see the live video, so the stream arrives correctly.

The camera -> storage values are unchanched:
Storage area Default
Save Jpegsa Frames + Analysis images
Video write disabled.

I increased the Stream replay image buffer to 10, but no change.

I found out that the events do show when I use Edge as a webbrowser.
I really want to keep using firefox though.

Can you help me?

[iconnor]

Uh oh...

well first check for javascript errors by right clicking, inspect element, go to console tab.

You probably want to turn off jpeg storage, and turn on video write => Passthrough. This will drastically reduce cpu and storage use.

As always, look at your logs.

[paulberendts]

Looking for errors while trying to display an event I get the error :

XHR GET http://pi-paul.home/zm/index.php?comman ... est=stream [HTTP/1 500 Internal Server Error 47ms]

I've copied te info in the attached txt file.

Can you tell me how and where to turn off jpeg storage and turn onvideo write (as you suggested)? I looked in the options and in Firefox, but i could not find anything related to that.

[bbunge]

There is an old Firefox "fix" in my file archives. May help:

Enter about:config in the address bar

scroll down to
browser.cache.check_doc_frequency 3
change the 3 to a 1

browser.cache.disk.enable True -> False
network.http.max-connections-per-server -> put a value of 100
network.http.max-persistent-connections-per-proxy -> 100 again
network.http.max-persistent-connections-per-server -> 100 again


Should not be required for modern Firefox.

Your Pi setup. Did you use a pre made image? If so you may want to do your own install.
https://wiki.zoneminder.com/Debian_11_B ... der_1.36.x works with Bullseye AKA Debian 11
https://wiki.zoneminder.com/Debian_12_B ... er_1.36.33 should work with Bookworm AKA Debian 12
Make sure you use the lite version of the RPI OS.

[iconnor]

The logs say apache returned internal server error. So check apache logs.

[paulberendts]

Apache error:
[Tue Mar 05 00:00:11.966260 2024] [mpm_prefork:notice] [pid 3918] AH00163: Apache/2.4.57 (Raspbian) configured -- resuming normal operations
[Tue Mar 05 00:00:11.966302 2024] [core:notice] [pid 3918] AH00094: Command line: '/usr/sbin/apache2'
[Tue Mar 05 09:18:02.810508 2024] [php:error] [pid 22851] [client 192.168.68.100:59140] PHP Fatal error:
Uncaught ValueError: 64-bit format codes are not available for 32-bit versions of PHP in /usr/share/zoneminder/www/ajax/stream.php:167\n
Stack trace:\n
#0 /usr/share/zoneminder/www/ajax/stream.php(167): unpack()\n
#1 /usr/share/zoneminder/www/index.php(269): require_once('...')\n
#2 {main}\n thrown in /usr/share/zoneminder/www/ajax/stream.php on line 167, referer: http://pi-paul.home/zm/?view=event&eid= ... [0][val]=1
[Tue Mar 05 09:18:03.269392 2024] [php:warn] [pid 23189] [client 192.168.68.100:59141] PHP Warning: socket_bind(): Unable to bind address [98]:
Address already in use in /usr/share/zoneminder/www/ajax/stream.php on line 42, referer: http://pi-paul.home/zm/?view=event&eid= ... [0][val]=1

Machine and PHP info:
PHP Version=8.2.7
PHP integer size=4
PHP integer max=2147483647
OS info=Linux PI-Paul 6.1.0-rpi8-rpi-v8 #1 SMP PREEMPT Debian 1:6.1.73-1+rpt1 (2024-01-25) aarch64

8.2.7 should be 64 bit? Is the latest version I can find. Integer size says 32 bit.

stream.php:
case MSG_DATA_EVENT :
if ( version_compare( phpversion(), '5.6.0', '<') ) {
ZM\Debug('Using old unpack methods to handle 64bit event id');
$data = unpack('ltype/ieventlow/ieventhigh/dduration/dprogress/irate/izoom/Cpaused', $msg);
$data['event'] = $data['eventhigh'] << 32 | $data['eventlow'];
} else {
Line 167: $data = unpack('ltype/Qevent/dduration/dprogress/irate/izoom/Cpaused', $msg);
}
$data['rate'] /= RATE_BASE;
$data['zoom'] = round($data['zoom']/SCALE_BASE, 1);
if ( ZM_OPT_USE_AUTH && (ZM_AUTH_RELAY == 'hashed') ) {
$auth_hash = generateAuthHash(ZM_AUTH_HASH_IPS);
if ( isset($_REQUEST['auth']) and ($_REQUEST['auth'] != $auth_hash) ) {
$data['auth'] = $auth_hash;
}
}

Changing the value in version_compare to 9.6.0 makes the error disappear, but still shows no event.

If I run the same eventview in Edge, I get the same error, but the event is shown.

It looks as if this error has nothing to do with showing the event.

What would really be the problem?

[aquadot]

Sounds like you've got something configured wrong in apache. I've run into this with Alias settings for paths to cgi-bin and other settings. Check your apache settings to see if adjusting anything there will get it working.