Audio and signal processing - unsorted stuffĭevice voltage and impedance, audio and otherwise.

Sampling, reproduction, and transmission distortions.Vision and color perception: objectively describing color Īudio physics and physiology: Basic sound physics If this works for others, please somehow unvote your solution and vote this one.The physical and human spects dealing with audio, video, and images (Some guides on the web tell you to install the FFmpeg video player, which works because that installs the ffmpeg-libs as well but I already have installed VLC to play media.) That worked for me, and I didn’t install gstreamer plugins, lame, or the Multimedia group as the Fedora docs suggest. So I think you need to enable the RPM Fusion packages and then install ffmpeg-libs (in a terminal, sudo dnf install ffmpeg-libs), then restart Firefox. What’s confusing is that guide suggests installing gstreamer plug-ins, but Firefox can also/instead use the multimedia libraries from FFmpeg to play video, and I think this is the default in the Fedora Firefox package (in about:config, defaults to true). Fedora’s guide Installing plugins for playing movies and music seems to be the right instructions.

So, you need to install non-free video codecs. What’s confusing is Firefox has an H264 video plug-in from Cisco that you can install and activate (here’s Fedora’s guide) but it seems to only enable WebRTC video calls, not video playback.

YouTube offers videos in WebM, but Twitter and Facebook seem to prefer mp4. In my case, WebM video works in Firefox, but MPEG, which I think is. I find this video page helpful because it has a sample of each video format without fallback. You can open the Firefox developer tools and look in its Console tab for warnings like The video on this page can’t be played.

Content sites offer videos in various formats as a fallback, so it’s hard to tell what video format is/isn’t working on a particular page.

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