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cannot record the screenw ith hardware acceleration

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Adel Ahmed
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Joined: 21 Sep 2012
Posts: 1523

Posted: Fri Mar 20, 2020 5:11 pm Post subject: cannot record the screenw ith hardware acceleration

I'm tryign to use ffmpeg to record my screen and encode using h/w acceleration(my hardware is very por and cannot record the screen normally using the ultrafasth264 preset)
here's the command I'm using and the error I'm getting:

Code:

ffmpeg -probesize 50M -hwaccel_device /dev/dri/renderD128 -video_size 1920x1080 -framerate 25 -f x11grab -i :0 -c:v h264_vaapi output.mp4 -y
Impossible to convert between the formats supported by the filter 'Parsed_null_0' and the filter 'auto_scaler_0'
Error reinitializing filters!
Failed to inject frame into filter network: Function not implemented
Error while processing the decoded data for stream #0:0
Conversion failed!

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