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When I try to create a pipe in tvheadend (in the url text box) i put usr/bin/ffmpeg -re -y -vaapi_device /dev/dri/card0 -hwaccel vaapi -hwaccel_output_format vaapi -i /home/hts/in.mkv -an -vf 'format=vaapi|nv12,hwupload' -c:v h264_vaapi -qp 20 -f mpegts -tune zerolatency -f mpegts out.ts I have the ffmpeg command working with vaapi. So from the previous example, the video filter becomes: -vf 'format=nv12|vaapi,hwupload,scale_vaapi=w:h' where w and h are the width and height of your new video.Īs a note, you might need to ensure that the user running the command is a member of the video group, or which group has write access to /dev/dri in order to use VAAPI. If you also need to resize the video, use the scale_vaapi video filter just add it as an additional filter to the -vf option. That will take input from the standard input (such as for use with pipe://), use VAAPI to encode the video the H.264, but copy the audio stream as-is without re- or transcoding, and pass it back out to the standard input. Then, when you construct the command line for ffmpeg:įfmpeg -hwaccel vaapi -hwaccel_device /dev/dri/render/D128 -hwaccel_output_format vaapi -i -vf 'format=nv12|vaapi,hwupload' -c:v h264_vaapi -c:a copy pipe:1 To use VAAPI with ffmpeg, check if your build of ffmpeg has vaapi support built in with : ffmpeg -codecs | grep vaapi.
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