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general:firefox

Important security settings

  • Don't allow FF to automatically fill in forms with stored passwords signon.autofillForms = false
    (This can now be found in Preferences as “Autofill logins and passwords”)

HW video decoding using VAAPI

MOZ_X11_EGL=1 firefox
media.ffmpeg.vaapi.enabled = true
media.ffvpx.enabled = false
gfx.webrender.enabled = true

MOZ_X11_EGL=1 MOZ_LOG="PlatformDecoderModule:5" firefox 2>&1 | grep 'VA-API'

Known problems

Nextcloud talk

When a screen is shared from remote end only a black screen is shown.

Log output from:

MOZ_X11_EGL=1 MOZ_LOG="PlatformDecoderModule:5" firefox
[Child 145: Unnamed thread 0x7f899b1e8940]: D/PlatformDecoderModule Sandbox decoder rejects requested type
[Child 145: MediaPDecoder #1]: D/PlatformDecoderModule Initialising VA-API FFmpeg decoder
libva info: VA-API version 1.4.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so
libva info: Found init function __vaDriverInit_1_4
libva info: va_openDriver() returns 0
[AVHWDeviceContext @ 0x7f899adbf440] Format 0x3231564e -> nv12.
[AVHWDeviceContext @ 0x7f899adbf440] Format 0x30313050 -> p010le.
[AVHWDeviceContext @ 0x7f899adbf440] Format 0x36313050 -> unknown.
[AVHWDeviceContext @ 0x7f899adbf440] Format 0x32315659 -> yuv420p.
[AVHWDeviceContext @ 0x7f899adbf440] Format 0x56595559 -> unknown.
[AVHWDeviceContext @ 0x7f899adbf440] Format 0x59565955 -> uyvy422.
[AVHWDeviceContext @ 0x7f899adbf440] Format 0x41524742 -> bgra.
[AVHWDeviceContext @ 0x7f899adbf440] Format 0x41424752 -> rgba.
[AVHWDeviceContext @ 0x7f899adbf440] Format 0x58524742 -> bgr0.
[AVHWDeviceContext @ 0x7f899adbf440] Format 0x58424752 -> rgb0.
[AVHWDeviceContext @ 0x7f899adbf440] VAAPI driver: Mesa Gallium driver 18.3.6 for AMD KAVERI (DRM 2.50.0, 4.19.0-12-amd64, LLVM 7.0.1).
[AVHWDeviceContext @ 0x7f899adbf440] Driver not found in known nonstandard list, using standard behaviour.
[Child 145: MediaPDecoder #1]: D/PlatformDecoderModule VA-API FFmpeg init successful
[Child 145: MediaPDecoder #1]: D/PlatformDecoderModule Choosing FFmpeg pixel format for VA-API video decoding.
[Child 145: MediaPDecoder #1]: D/PlatformDecoderModule Requesting pixel format VAAPI_VLD
[vp8 @ 0x7f899a96c800] Format vaapi_vld chosen by get_format().
[vp8 @ 0x7f899a96c800] Format vaapi_vld requires hwaccel initialisation.
[vp8 @ 0x7f899a96c800] No support for codec vp8 profile -99.
[vp8 @ 0x7f899a96c800] Failed setup for format vaapi_vld: hwaccel initialisation returned error.
[vp8 @ 0x7f899a96c800] Format vaapi_vld not usable, retrying get_format() without it.
[Child 145: MediaPDecoder #1]: D/PlatformDecoderModule Choosing FFmpeg pixel format for VA-API video decoding.
[Child 145: MediaPDecoder #1]: D/PlatformDecoderModule avcodec_send_packet error: -22
[Child 145: Unnamed thread 0x7f899b1e8940]: D/PlatformDecoderModule Sandbox decoder rejects requested type
[Child 145: MediaPDecoder #1]: D/PlatformDecoderModule Initialising VA-API FFmpeg decoder
libva info: VA-API version 1.4.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so
libva info: Found init function __vaDriverInit_1_4
libva info: va_openDriver() returns 0
[AVHWDeviceContext @ 0x7f8999cc3ec0] Format 0x3231564e -> nv12.
[AVHWDeviceContext @ 0x7f8999cc3ec0] Format 0x30313050 -> p010le.
[AVHWDeviceContext @ 0x7f8999cc3ec0] Format 0x36313050 -> unknown.
[AVHWDeviceContext @ 0x7f8999cc3ec0] Format 0x32315659 -> yuv420p.
[AVHWDeviceContext @ 0x7f8999cc3ec0] Format 0x56595559 -> unknown.
[AVHWDeviceContext @ 0x7f8999cc3ec0] Format 0x59565955 -> uyvy422.
[AVHWDeviceContext @ 0x7f8999cc3ec0] Format 0x41524742 -> bgra.
[AVHWDeviceContext @ 0x7f8999cc3ec0] Format 0x41424752 -> rgba.
[AVHWDeviceContext @ 0x7f8999cc3ec0] Format 0x58524742 -> bgr0.
[AVHWDeviceContext @ 0x7f8999cc3ec0] Format 0x58424752 -> rgb0.
[AVHWDeviceContext @ 0x7f8999cc3ec0] VAAPI driver: Mesa Gallium driver 18.3.6 for AMD KAVERI (DRM 2.50.0, 4.19.0-12-amd64, LLVM 7.0.1).
[AVHWDeviceContext @ 0x7f8999cc3ec0] Driver not found in known nonstandard list, using standard behaviour.
[Child 145: MediaPDecoder #1]: D/PlatformDecoderModule VA-API FFmpeg init successful
[Child 145: MediaPDecoder #3]: D/PlatformDecoderModule Choosing FFmpeg pixel format for VA-API video decoding.
[Child 145: MediaPDecoder #3]: D/PlatformDecoderModule Requesting pixel format VAAPI_VLD
[vp8 @ 0x7f8999df7000] Format vaapi_vld chosen by get_format().
[vp8 @ 0x7f8999df7000] Format vaapi_vld requires hwaccel initialisation.
[vp8 @ 0x7f8999df7000] No support for codec vp8 profile -99.

[etc]...

Tested workaround (as in turning off acceleration)

media.ffvpx.enabled = true

general/firefox.txt · Last modified: 2020/11/27 12:28 by