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Opened 3 years ago

Last modified 3 months ago

#1668 assigned task

av1 codec

Reported by: Antoine Martin Owned by: Antoine Martin
Priority: major Milestone: future
Component: encodings Version: trunk
Keywords: Cc: dennis.schridde@…

Description

​Alliance for Open Media

  • Gstreamer conference presentation ​AV1: The Quest is Nearly Complete
  • ​rav1e: The fastest and worstest AV1 compressor
  • it's truly free
  • based on vp9
  • more space efficient (uses ~25% less bandwidth than vp9)
  • 200 times slower than vp9! but will be optimized, and available in hardware implementations
  • has code for handling computer screen sharing (palette mode, etc)

Change History (7)

comment:1 Changed 3 years ago by Antoine Martin

Status: new → assigned

comment:2 Changed 3 years ago by Antoine Martin

Milestone: 3.0 → 3.1

According to ​AV1 Codec Update Video Presentation, ​PDF version, the AV1 codec is currently more than 2500 times slower than VP9.

comment:3 Changed 3 years ago by urzds

Cc: dennis.schridde@… added

comment:4 Changed 3 years ago by Antoine Martin

ffmpeg 4.0 uses ​mozilla aom, and the faster rav1e does ~5 fps encoding @ 480p (see issue #124) (ouch!)

Last edited 3 years ago by Antoine Martin (previous) (diff)

comment:6 Changed 19 months ago by Antoine Martin

Milestone: 3.1 → 4.1

comment:7 Changed 9 months ago by Antoine Martin

Milestone: 4.1 → future

Still orders of magnitude too slow.

​Why AV1 Encoding is not Ready for Real-Time Streaming

​av1-bench

comment:8 Changed 3 months ago by migration script

this ticket has been moved to: ​https://github.com/Xpra-org/xpra/issues/1668

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