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gtreamer encode h264 with vpu always show 8fps

Question asked by guyan1220 gao on Apr 12, 2019
Latest reply on Apr 14, 2019 by igorpadykov

Hello everyone,I have used gstreamer plugin on imx6d to capture camera. and encode to h264 + mp4 with render frame at same time. but frame rate always show 8fps,can't reach to 25 camera is 25fpts 1080p(with yuv and jpeg data output).

here my gstreamer cmd:

gst-lanuch-1.0 -e v4l2src device=/dev/video0 ! 'image/jpeg,width=1920,height=1080,framerate=25/1 ! vupdec output-format=2 ! imxvideoconvert_ipu ! vpuenc_h264 ! mp4mux ! filesink location=/opt/test.mp4 .

anyone can tell me why,what's reason made the framerate so low.