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:
| 配置项 | 值 | 说明 |
|---|---|---|
| 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:
| 环境 | 环境变量 |
|---|---|
| X11 | MOZ_X11_EGL=1 |
| Wayland/Xwayland | MOZ_ENABLE_WAYLAND=1 |
e.g. .desktop launcher command for X11 and Mozilla binary:
1 | Exec=env MOZ_X11_EGL=1 /home/user/firefox/firefox |
For version 96 and above, the above settings may change.