[Webkit-unassigned] [Bug 254340] New: WebkitGTK does not use vaapi for video playback

Thu Mar 23 09:55:42 PDT 2023

https://bugs.webkit.org/show_bug.cgi?id=254340

            Bug ID: 254340
           Summary: WebkitGTK does not use vaapi for video playback
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: johannesp at posteo.net
                CC: bugs-noreply at webkitgtk.org

Created attachment 465554

  --> https://bugs.webkit.org/attachment.cgi?id=465554&action=review

gstreamer logs captured using surf, because epiphany would not produce logs for some reason

When playing video content on any WebkitGTK-based browser (tested Epiphany 43.1/44, surf), video hardware acceleration via VAAPI is not used. (intel_gpu_top shows no activity on the "Video" engine) VAAPI playback in Firefox works flawlessly. The issue occurs on Xorg and Wayland (tested on GNOME 44). The webkit-gtk version in use is 2.40.

The flatpak version of Epiphany is also affected. (ffmpeg-full and gstreamer-vaapi runtimes installed, acceleration enabled with $ flatpak run --command=gsettings org.gnome.Epiphany set org.gnome.Epiphany.web:/org/gnome/epiphany/web/ hardware-acceleration-policy 'always')

playback via gstreamer directly is VAAPI-accelerated as expected:
$ gst-play-1.0 --videosink glimagesink https://upload.wikimedia.org/wikipedia/commons/c/c0/Big_Buck_Bunny_4K.webm

installed gstreamer plugins: bad,base,dash,good,gtk,hls,mpeg123,libav,openh264,opus,pulse,soup,taglib,ugly,v4l2,vaapi,vpx,x264

FFmpeg 5.1.2

Extended renderer info (GLX_MESA_query_renderer):
    Vendor: Intel (0x8086)
    Device: Mesa Intel(R) Graphics (ADL GT2) (0x46a6)
    Version: 23.0.0
    Accelerated: yes
    Video memory: 15826MB
    Unified memory: yes
    Preferred profile: core (0x1)
    Max core profile version: 4.6
    Max compat profile version: 4.6
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.2

$ uname -a

Linux gentoo 6.2.8-gentoo #1 SMP PREEMPT_DYNAMIC Thu Mar 23 14:15:27 CET 2023 x86_64 12th Gen Intel(R) Core(TM) i5-1240P GenuineIntel GNU/Linux

$ gst-inspect-1.0 vaapi

Plugin Details:
  Name                     vaapi
  Description              VA-API based elements
  Filename                 /usr/lib64/gstreamer-1.0/libgstvaapi.so
  Version                  1.22.1
  License                  LGPL
  Source module            gstreamer-vaapi
  Documentation            https://gstreamer.freedesktop.org/documentation/vaapi/
  Source release date      2023-03-04
  Binary package           gstreamer-vaapi
  Origin URL               https://www.gentoo.org

  vaapiav1dec: VA-API AV1 decoder
  vaapidecodebin: VA-API Decode Bin
  vaapih264dec: VA-API H264 decoder
  vaapih264enc: VA-API H264 encoder
  vaapih265dec: VA-API H265 decoder
  vaapih265enc: VA-API H265 encoder
  vaapijpegdec: VA-API JPEG decoder
  vaapijpegenc: VA-API JPEG encoder
  vaapimpeg2dec: VA-API MPEG2 decoder
  vaapimpeg2enc: VA-API MPEG-2 encoder
  vaapioverlay: VA-API overlay
  vaapipostproc: VA-API video postprocessing
  vaapisink: VA-API sink
  vaapivc1dec: VA-API VC1 decoder
  vaapivp8dec: VA-API VP8 decoder
  vaapivp9dec: VA-API VP9 decoder
  vaapivp9enc: VA-API VP9 encoder

  17 features:
  +-- 17 elements

$ vainfo

Trying display: wayland
libva info: VA-API version 1.18.0
libva info: Trying to open /usr/lib64/va/drivers/iHD_drv_video.so
libva info: Found init function __vaDriverInit_1_18
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.18 (libva 2.17.1)
vainfo: Driver version: Intel iHD driver for Intel(R) Gen Graphics - 23.1.3 ()
vainfo: Supported profile and entrypoints
      VAProfileNone                   : VAEntrypointVideoProc
      VAProfileNone                   : VAEntrypointStats
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Simple            : VAEntrypointEncSlice
      VAProfileMPEG2Main              : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointEncSlice
      VAProfileH264Main               : VAEntrypointVLD
      VAProfileH264Main               : VAEntrypointEncSlice
      VAProfileH264Main               : VAEntrypointFEI
      VAProfileH264Main               : VAEntrypointEncSliceLP
      VAProfileH264High               : VAEntrypointVLD
      VAProfileH264High               : VAEntrypointEncSlice
      VAProfileH264High               : VAEntrypointFEI
      VAProfileH264High               : VAEntrypointEncSliceLP
      VAProfileVC1Simple              : VAEntrypointVLD
      VAProfileVC1Main                : VAEntrypointVLD
      VAProfileVC1Advanced            : VAEntrypointVLD
      VAProfileJPEGBaseline           : VAEntrypointVLD
      VAProfileJPEGBaseline           : VAEntrypointEncPicture
      VAProfileH264ConstrainedBaseline: VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
      VAProfileH264ConstrainedBaseline: VAEntrypointFEI
      VAProfileH264ConstrainedBaseline: VAEntrypointEncSliceLP
      VAProfileVP8Version0_3          : VAEntrypointVLD
      VAProfileHEVCMain               : VAEntrypointVLD
      VAProfileHEVCMain               : VAEntrypointEncSlice
      VAProfileHEVCMain               : VAEntrypointFEI
      VAProfileHEVCMain               : VAEntrypointEncSliceLP
      VAProfileHEVCMain10             : VAEntrypointVLD
      VAProfileHEVCMain10             : VAEntrypointEncSlice
      VAProfileHEVCMain10             : VAEntrypointEncSliceLP
      VAProfileVP9Profile0            : VAEntrypointVLD
      VAProfileVP9Profile0            : VAEntrypointEncSliceLP
      VAProfileVP9Profile1            : VAEntrypointVLD
      VAProfileVP9Profile1            : VAEntrypointEncSliceLP
      VAProfileVP9Profile2            : VAEntrypointVLD
      VAProfileVP9Profile2            : VAEntrypointEncSliceLP
      VAProfileVP9Profile3            : VAEntrypointVLD
      VAProfileVP9Profile3            : VAEntrypointEncSliceLP
      VAProfileHEVCMain12             : VAEntrypointVLD
      VAProfileHEVCMain12             : VAEntrypointEncSlice
      VAProfileHEVCMain422_10         : VAEntrypointVLD
      VAProfileHEVCMain422_10         : VAEntrypointEncSlice
      VAProfileHEVCMain422_12         : VAEntrypointVLD
      VAProfileHEVCMain422_12         : VAEntrypointEncSlice
      VAProfileHEVCMain444            : VAEntrypointVLD
      VAProfileHEVCMain444            : VAEntrypointEncSliceLP
      VAProfileHEVCMain444_10         : VAEntrypointVLD
      VAProfileHEVCMain444_10         : VAEntrypointEncSliceLP
      VAProfileHEVCMain444_12         : VAEntrypointVLD
      VAProfileHEVCSccMain            : VAEntrypointVLD
      VAProfileHEVCSccMain            : VAEntrypointEncSliceLP
      VAProfileHEVCSccMain10          : VAEntrypointVLD
      VAProfileHEVCSccMain10          : VAEntrypointEncSliceLP
      VAProfileHEVCSccMain444         : VAEntrypointVLD
      VAProfileHEVCSccMain444         : VAEntrypointEncSliceLP
      VAProfileAV1Profile0            : VAEntrypointVLD
      VAProfileHEVCSccMain444_10      : VAEntrypointVLD
      VAProfileHEVCSccMain444_10      : VAEntrypointEncSliceLP

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