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Hardware Video Acceleration
This is for Debian 11 / Bullseye
Setup your system and install required packages: https://wiki.debian.org/HardwareVideoAcceleration
Starting around version 95 Firefox has enabled hardware video acceleration via VA-API but still needs to be manually turned on. firefox-esr version 102 is available from the Debian Security repositories for Debian 11 since 2022-09-23.
Enter about:config in address bar:
|
media.ffmpeg.vaapi.enabled |
true |
AVC/h.264 HEVC/h.265 works |
|
media.ffvpx.enabled |
false |
disables firefox internal software decoding of VP8/VP9 and forces hardware decoding |
Then launch firefox based on whether you use X11 or Wayland:
|
X11 |
MOZ_X11_EGL=1 |
|
Wayland/Xwayland |
MOZ_ENABLE_WAYLAND=1 |
e.g. .desktop launcher command for X11 and Mozilla binary:
Exec=env MOZ_X11_EGL=1 /home/user/firefox/firefox
For version 96 and above, the above settings may change.
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