https://bugs.kde.org/show_bug.cgi?id=378832
Bug ID: 378832
Summary: use of vaapi in transcoding and rendering
Product: kdenlive
Version: git-master
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: wishlist
Priority: NOR
Component: Video Display & Export
Assignee: j...@kdenlive.org
Reporter: anton.gubar...@gmail.com
Target Milestone: ---
I can use a command line below to create a proxy clip at 7x speed, thanks to
VAAPI based h264 decoding and resizing.
ffmpeg -vaapi_device /dev/dri/renderD128 -hwaccel vaapi
-hwaccel_output_format vaapi -i input.MTS -an -vf
'format=nv12|vaapi,hwupload,scale_vaapi=w=1280:h=720:format=yuv420p,hwdownload,format=nv12'
-c:v dnxhd -b:v 36M 1.mov
In order to be able to achieve the same in the encoding profile, I would need
to inject -vaapi_device /dev/dri/renderD128 -hwaccel vaapi
-hwaccel_output_format vaapi before the "-i input-file.MTS" part. The UI
doesn't allow me to do it.
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