>> I do have it installed. I also tried to install `libavcodec-extra` at >> some point (when I saw that `mp4a-latm` 🙂), but it made no difference >> of course. > You do not have AAC in the list of supported codecs and I am unsure if it is > due to alsa backend or due to a missed package (libfdk-aac2, > gstreamer1.0-fdkaac?).
I'm not too worried about that for now. The lack of audio device was the more pressing concern 🙂 >>> Firefox exposes some codec info in about:support#media >> Thanks. When I "disable sandboxing" (by setting the three vars >> I mentioned in my answer to Tomas) it says: > I would revert these settings to defaults unless you have confirmed that > they are really necessary. Of course. >> Audio Backend: alsa > I have pulse-rust here. Same for me when things work 🙂 > If you still have motivation to debug i386 vs. amd64 issue, have you > tried to start firefox with a clean profile (--profile /some/dir)? Yup, no difference. > I would check if there are earlier messages related to audio backend, maybe > during firefox startup. Perhaps verbosity of some component should be > increased > > https://firefox-source-docs.mozilla.org/xpcom/logging.html Thanks for the pointer! Stefan
