Calibrating smarphone

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Hello,

I wanna use my s7 edge to capture videos and run a slam algorithm with the frames captured. For that i need to calibrate my camera. I already calibrated many usb cameras and i always did:

• rosrun uvc_camera uvc_camera_node _device:=/dev/video1
• rosrun camera_calibration cameracalibrator.py --size 8x6 --square 0.108 image:=/image_raw camera:=/

And always worked fine.

I used DroidCam to get the video from my phone to the pc, worked fine, i could see the video stream using 'cheese'. Although when i do the first command above, the uvc_camera_node i get an error, saying:

opening /dev/video0 pixfmt 0 = 'YU12' desc = 'Planar YUV 4:2:0' discrete: 640x480: 1/30 terminate called after throwing an instance of 'std::runtime_error' what(): couldn't set format [1]+ Killed guvcview -d /dev/video0 Aborted (core dumped)

I guess uvc_camera can't understand the format of the video. How can i solve this and get the calibration parameters of my phone?

Thanks