VLC could not decode the format "mp4a" (MPEG AAC Audio)

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How-to: h264 etc. Support for Firefox (including ffmpeg install)

A brief how-to for h264 etc. support for Firefox (including ffmpeg install). You’ll need the C compiler installed and packages to enable vaapi hardware acceleration sudo swupd bundle-add c-basic devpkg-libva Now create a build directory somewhere and cd into it. mkdir ~/build && cd ~/build Install ffmpeg curl -LO https://ffmpeg.org/releases/ffmpeg-4.2.tar.bz2 tar jxf ffmpeg-4.2.tar.bz2 cd ffmpeg-4.2 ./configure --prefix=/usr/local --enable-shared && make && sudo make install If you haven’…