Hi, Thanks for the suggestion. Adding that parameter didn’t help. The encoding is done on the GPU of the Jetson and cpu load is only 10% when this is happening.
Any other ideas? Thanks, Greg > On Aug 16, 2020, at 1:39 PM, Marcus D. Leech via USRP-users > <[email protected]> wrote: > > On 08/16/2020 04:13 PM, Greg Hulands via USRP-users wrote: >> Hi, >> I’m playing around with a Jetson Nano dev kit and trying to stream h265 >> encoded video over dvb-t2 using the b210. I am using the example from the >> dtv folder of gr. I modified the source file to read from a file made with >> mkfifo. >> >> [INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501; >> UHD_3.15.0.0-54-gbc585b43 >> [INFO] [B200] Detected Device: B210 >> [INFO] [B200] Operating over USB 3. >> [INFO] [B200] Initialize CODEC control... >> [INFO] [B200] Initialize Radio control... >> [INFO] [B200] Performing register loopback test... >> [INFO] [B200] Register loopback test passed >> [INFO] [B200] Performing register loopback test... >> [INFO] [B200] Register loopback test passed >> [INFO] [B200] Asking for clock rate 36.571429 MHz... >> [INFO] [B200] Actually got clock rate 36.571428 MHz. >> >> I then launch the gstreamer pipeline and then the below is output and >> nothing is transmitted. I googled around and it was suggested that the usb3 >> controller might be an issue, but I have seen other people successfully >> using the Jetson Nano with the board. >> >> Does anyone have any suggestions? >> >> Thanks, >> Greg > Those 'S' are a strong indication that your USB subsystem is really not > keeping up. I'm not surprised, given that it's having to do both encoding, > and managing a high-speed sample-flow to the USRP. > > The 'S' means 'sequence error', which generally mans your USB is dropping > frames. You could try adding 'num-rx_frames=128' to your > device arguments and see if that helps. > > >> >> SSSSSSSS[ERROR] [B200] Got a ctrl packet with unknown SID 207029870 >> SSSSSSSSSSSS[ERROR] [B200] Got a ctrl packet with unknown SID 392757359 >> SSSS[ERROR] [B200] Got a ctrl packet with unknown SID 57090934 >> [ERROR] [B200] Got a ctrl packet with unknown SID 190782680 >> SSSSSSSSSSS[ERROR] [B200] Got a ctrl packet with unknown SID 4268095150 >> [ERROR] [B200] Got a ctrl packet with unknown SID 139913854 >> [ERROR] [B200] Got a ctrl packet with unknown SID 4067295524 >> SSSSSSSSSS[ERROR] [B200] Got a ctrl packet with unknown SID 4284742065 >> SSSSSSSS[ERROR] [B200] Got a ctrl packet with unknown SID 22226522 >> [ERROR] [B200] Got a ctrl packet with unknown SID 90499236 >> SS[ERROR] [B200] Got a ctrl packet with unknown SID 23069098 >> SS[ERROR] [B200] Got a ctrl packet with unknown SID 4066441695 >> [ERROR] [B200] Got a ctrl packet with unknown SID 4133743282 >> S[ERROR] [B200] Got a ctrl packet with unknown SID 4150322913 >> [ERROR] [B200] Got a ctrl packet with unknown SID 90109890 >> [ERROR] [B200] Got a ctrl packet with unknown SID 441973211 >> [ERROR] [B200] Got a ctrl packet with unknown SID 241827466 >> [ERROR] [B200] Got a ctrl packet with unknown SID 124189179 >> [ERROR] [B200] Got a ctrl packet with unknown SID 73204104 >> [ERROR] [B200] Got a ctrl packet with unknown SID 458545291 >> [ERROR] [B200] Got a ctrl packet with unknown SID 3664645059 >> S[ERROR] [B200] Got a ctrl packet with unknown SID 4200001599 >> [ERROR] [B200] Got a ctrl packet with unknown SID 4184080041 >> [ERROR] [B200] Got a ctrl packet with unknown SID 3781167125 >> SSSSSSUSSSSSSSS[ERROR] [B200] Got a ctrl packet with unknown SID 224652429 >> [ERROR] [B200] Got a ctrl packet with unknown SID 56228458 >> SSSSSS[ERROR] [B200] Got a ctrl packet with unknown SID 3981447612 >> SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS[ERROR] [B200] Got a ctrl >> packet with unknown SID 340790525 >> SSS[ERROR] [B200] Got a ctrl packet with unknown SID 945686494 >> SSSSSSS[ERROR] [B200] Got a ctrl packet with unknown SID 22817439 >> SSS >> >> Gstreamer pipeline: >> gst-launch-1.0 nvarguscamerasrc ! 'video/x-raw(memory:NVMM), width=1920, >> height=1080,format=NV12, framerate=30/1' ! nvv4l2h265enc bitrate=8000000 ! >> mpegtsmux ! filesink location=camera.ts >> >> >> _______________________________________________ >> USRP-users mailing list >> [email protected] <mailto:[email protected]> >> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >> <http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com> > > > _______________________________________________ > USRP-users mailing list > [email protected] <mailto:[email protected]> > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > <http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com>
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