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Displaying image on Kobo Aura HD

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Hi,

Does anyone know how to display an image on the Kobo Aura HD?
I found plenty of advice for non HD devices, with resolution 600x800 and 4 or 8 bits, but on Kobo Aura HD, it is 1440x1080 16 bit.:bookworm:

I tried this (where input is my original png picture and output the raw picture to send to the Kobo), but it does not display the picture fully correctly.

Code:

ffmpeg -i "$input" \
-vf transpose=2 -f rawvideo -pix_fmt rgb565 -s 1440x1080 -y "$output" < /dev/null

Then,

Code:

cat $output | ssh -l root IP /usr/local/Kobo/pickel showpic
Thanks :help:

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