i.MX 6 gstreamer v4l2jpegdec with v4l2h264enc

Gerbaum jakob.ruisinger at gmail.com
Sun Jan 10 19:00:56 UTC 2021


After countless hours I could not get v4l2h264enc running after v4l2jpegdec.

Somehow v4l2h264enc demands a framerate value that v4l2jpegdec could not
deliver.

It worked with:

gst-launch-1.0 -v v4l2src -v device=/dev/video0 !
image/jpeg,width=1920,height=1080,framerate=30/1 ! videorate !
image/jpeg,width=1920,height=1080,framerate=10/1 ! jpegdec ! videoconvert !
v4l2h264enc ! fakesink


But uses 60% CPU, cause of no hardware decoding...








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