Hi all,
I am currently working on understanding the gstreamer applications at a low level (hardware impacts and optimized pipelines). When working with ZED camera, I see that CPU utilization of Jetson is greater than it is when working with any other camera. I wonder what causes this since ZED camera outputs one merged frame that is obtained from dual cameras.
My second question is what is the difference between two commands below? First one provides 60 fps when the other one provides 45 fps? Is there any extra memcpy that comes from extra memory:NVMM usage?
gst-launch-1.0 v4l2src device=/dev/video1 ! 'video/x-raw, width=2560, height=720, format=YUY2, framerate=60/1' ! nvvidconv ! 'video/x-raw, format=YUY2' ! nvvidconv ! 'video/x-raw, format=YUY2' ! fpsdisplaysink name=fpssink text-overlay=true video-sink=xvimagesink signal-fps-measurements=true sync=false -v
gst-launch-1.0 v4l2src device=/dev/video1 ! 'video/x-raw, width=2560, height=720, format=YUY2, framerate=60/1' ! nvvidconv ! 'video/x-raw(memory:NVMM), format=YUY2' ! nvvidconv ! 'video/x-raw, format=YUY2' ! fpsdisplaysink name=fpssink text-overlay=true video-sink=xvimagesink signal-fps-measurements=true sync=false -v
Thanks in advance.