https://bugs.kde.org/show_bug.cgi?id=378004
Bug ID: 378004
Summary: kdenlive uses CPU only decoding. doesn't use VAAPI.
High CPU utilization, low framerate with multiple x264
tracks
Product: kdenlive
Version: git-master
Platform: Gentoo Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: Video Display & Export
Assignee: j...@kdenlive.org
Reporter: anton.gubar...@gmail.com
Target Milestone: ---
When I play a x264 clip in the clip monitor (no effects attached), I can see
that 2 kdenlive processes are at 100% CPU utilization.
When I play a timeline with 3 clips in 3 tracks - I get a speed of 3 fps.
When I do 'ffmpeg -hwaccel vaapi -i input.MTS -f null -' to test the load of
the decoding on the cpu, I get 9x decoding speed with 1 process producing ~ 40%
CPU.
Can kdnelive be patched to make use of VAAPI for decoding?
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