Troubleshooting Canon Rebel T3i on Ubuntu 16.04

Greetings,

I hope this message finds you well.

Thanks for putting together and supporting this tool.

My goal is to use my camera as a streaming device. I am running Ubuntu
16.04.

Following the instructions here, I am able to

1) capture images using
gphoto2 --capture-image

2) record video using
gphoto2 --set-config viewfinder=1 --set-config movierecordtarget=Card
--wait-event=10s --set-config movierecordtarget=None
--wait-event-and-download=2s

Unfortunately, I am not able to capture the live stream from the camera
using
gphoto2 --debug --debug-logfile=streaming_file.txt --stdout --capture-movie
| ffmpeg -i - -vcodec rawvideo -pix_fmt yuv420p -threads 0 -f v4l2
/dev/video1

I am attaching the log file obtained by running the command.

P.S.: I create dev/video1 using
sudo modprobe v4l2loopback

Thank you in advance for your assistance.


Demba.

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