Dear all,

I wonder if it is possible to use vaapi hardware acceleration for the  
encoding using avformat (ffmpeg); i.e. not for filters, transitions, ... but 
only to encode the resulting/final video (I've seen the remark in the FAQ, but 
as I understand it this remark is only about filters, transitions).

Using ffmpeg directly it is possible to use vaapi like this:

ffmpeg -vaapi_device /dev/dri/renderD128 -i infile.MP4 -vf 
'format=nv12,hwupload' -c:v h264_vaapi outfile.mp4

Is it also possible from within melt? From my understanding, for ffmpeg I've 
to pass the vaapi device before the infile - can this be done with melt and if 
yes, how?

Thank you for this great piece of software!

Best,
Bernd


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