hello,
I have tried the following command to capture mp4 video file.
gst-launch-1.0 -v v4l2src device=“/dev/video0” ! ‘video/x-raw, format=(string)UYVY, width=(int)1920, height=(int)1080’ ! nvvidconv ! ‘video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080,format=(string)I420’ ! omxh264enc ! ‘video/x-h264, stream-format=(string)byte-stream’ ! h264parse ! qtmux ! filesink location=test.mp4 -e
top usgage for that:( CPU–>>93.4 )
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2955 nvidia 20 0 627476 14588 11188 S 93.4 0.2 0:14.34 gst-launch-1.0
top usgage for only capture UYVYSensor gstreamer pipeline:( CPU–>>0.3 )
gst-launch-1.0 -v v4l2src device=“/dev/video0” ! ‘video/x-raw, format=(string)UYVY, width=(int)1920, height=(int)1080’ ! fakesink
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2965 nvidia 20 0 253004 8292 6352 S 0.3 0.1 0:00.22 gst-launch-1.0
and top usgage for capture and nvvidconv gstreamer pipeline:( CPU–>>92.1 )
gst-launch-1.0 -v v4l2src device=“/dev/video0” ! ‘video/x-raw, format=(string)UYVY, width=(int)1920, height=(int)1080’ ! nvvidconv ! ‘video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080,format=(string)I420’ ! fakesink
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2973 nvidia 20 0 254748 8892 6856 S 92.1 0.1 0:05.56 gst-launch-1.0
My Board Info is:
Jetson TX2-4GB
L4T:28.1
v4l2 bus format:MEDIA_BUS_FMT_UYVY8_1X16
$ v4l2-ctl -V
Format Video Capture:
Width/Height : 1920/1080
Pixel Format : ‘UYVY’
Field : None
Bytes per Line : 3840
Size Image : 4147200
Colorspace : sRGB
Transfer Function : Default
YCbCr Encoding : Default
Quantization : Default
Flags :
could you tell me What is the reason for top cpu usage of gstreamer nvvidconv in Jetson TX2??
