When I go to Proximus Live TV on my Ubuntu 23.04 laptop with Firefox 113.0.2 from
https://launchpad.net/~mozillateam/+archive/ubuntu/ppa?field.series_filter=lunar
Just running firefox from the command prompt I get below error message:
[Child 39570, MediaDecoderStateMachine #1] WARNING: Decoder=7f5fe88d6f00 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - Error no decoder found for audio/mp4a-latm: file /build/firefox-USz78Y/firefox-113.0.2+build1/dom/media/MediaDecoderStateMachineBase.cpp:164
The problem is that AAC SW is not in following list in about:support

While in SNAP version of firefox I get the list

I have no idea what causes this difference: the way how firefox is built in SNAP versus .deb ?
[Edited 2023/06/09]
This package ubuntu-restricted-extras made AAC SW available in VMware Workstation Guest Ubuntu 23.04.
But I can't get it working on my main Ubuntu 23.04, this package was already installed there. I thought there might be a conflict with nVIDIA driver or CUDA toolkit of my GeForce RTX 2060, but did not find anything on google about it.
Things that don't work in firefox from mozilla PPA on my main Ubuntu 23.04 are:
- Print to pdf makes file of size zero
- Save webpage makes file of size zero
- AAC SW and H264 SW are not present in about:support section Media
There must be some other directory where .deb firefox keeps its settings.
I already removed ~/.mozilla and got a brand new firefox, but still suffering from the same.
I read about /usr/lib/mozilla and on my laptop there is something left for the belgian identity card reader.
bert@legion5ubuntu:/usr/lib/mozilla/managed-storage$ ls -al
-rw-r--r-- 1 root root 283 Feb 13 16:35 [email protected]
bert@legion5ubuntu:/usr/lib/mozilla/native-messaging-hosts$ ls -al
-rw-r--r-- 1 root root 265 Jan 3 21:38 org.gnome.browser_connector.json
-rw-r--r-- 1 root root 266 Jan 3 21:38 org.gnome.chrome_gnome_shell.json
bert@legion5ubuntu:/usr/lib/mozilla/pkcs11-modules$ ls -al
-rw-r--r-- 1 root root 209 Feb 13 16:35 beidpkcs11_alt.json
-rw-r--r-- 1 root root 181 Feb 13 16:35 beidpkcs11.json
Would this directory be the root cause of the issues?
I am tired of switching between .deb and snap versions of firefox and would like to have more certainty on success when trying the .deb once more...
Any ideas of other directories where .deb firefox keeps its settings?