Setting pipeline to PAUSED ... ERROR: Pipeline doesn't want to pause. ERROR: from element /GstPipeline:pipeline0/GstV4l2Sink:v4l2sink0: Could not open device '/dev/video1' for reading and writing. Additional debug info: ../../../git/sys/v4l2/v4l2_calls.c(668): gst_v4l2_open (): /GstPipeline:pipeline0/GstV4l2Sink:v4l2sink0: system error: No such device or address Setting pipeline to NULL ... Freeing pipeline ...
Also tried using below command but getting the below error
modprobe v4l2loopback video_nr=1
modprobe: FATAL: Module v4l2loopback not found in directory /lib/modules/4.14.78-imx_4.14.78_1.0.0_ga+g94da7bd