01-05-2014, 10:47 AM | #1 |
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Displaying image on Kobo Aura HD
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. 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 Code:
cat $output | ssh -l root IP /usr/local/Kobo/pickel showpic |
01-05-2014, 02:55 PM | #2 |
Wizard
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One thing you can do is to replace the .png files in your AuraHD's ./kobo/slideshow/dragon/en folder with your own .pngs.
You can put your Kobo into "Demo Mode" by entering "demo mode on" in the search box. With Library selected not Bookstore. You turn it off with "demo mode off". You may have to wait for the inactive timer to run out before the first run through starts. It is made to run the slide show between customers giving it a hands on run through, so the slideshow stops on any touch events and starts on inactivity, until it is turned off. Don't know if the regular Kobo software can handle .cbz files, but if it can, they are just a zipped file of sequentially numberd .jpg files. That works fine on my AuraHD, in Koreader. Luck; Ken Last edited by Ken Maltby; 01-05-2014 at 04:09 PM. |
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01-05-2014, 03:43 PM | #3 |
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Ken; YES Kobo supports CBR and CBZ; has ALL ALONG
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01-05-2014, 03:45 PM | #4 |
Wizard
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I am not sure whether this matters, but the images included in the kobo software seem all to have 24 bit.
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01-05-2014, 04:47 PM | #5 | |
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Quote:
Luck; Ken |
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01-05-2014, 05:20 PM | #6 |
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01-05-2014, 05:35 PM | #7 |
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01-06-2014, 04:58 PM | #8 | |
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I think the error is with the ffmpeg command
Quote:
Your suggestion is useful if there is a problem with the Code:
/usr/local/Kobo/pickel showpic But if I had an issue with this command, then I would not see my image "strangely" on my Kobo. Seeing it, but just not exactly good, seems to imply that it's something with the way I convert it that is wrong. I would rather think that it's my ffmpeg line which is wrong. Hasn't anybody succeeded in displaying an image on a Kobo Aura HD? Regards Axelle |
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01-06-2014, 05:02 PM | #9 | |
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Image does not display correctly - I just see it a bit / guess
Quote:
1- the image does not have the right size, it is repeated several times on the display 2- the black and whites seem to be inverted 3- part of the image at the bottom gets at the top etc Thanks |
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01-06-2014, 08:42 PM | #10 | |
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Quote:
I have sets of images that I display on my AuraHD, using both methods I described. I use Gimp2 to create the 1080x1440 images from my existing collection of images. I also have loaded .jpg pictures with no modifications onto my AuraHD and been able to view them in Koreader. Luck; Ken |
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01-07-2014, 01:15 PM | #11 | |
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Quote:
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01-08-2014, 02:57 PM | #12 | |
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The customized slideshow works
Quote:
Okay, I have tried that, it works I had a look at the png in .kobo/slideshow/dragon/en, they are Code:
PNG image data, 1080 x 1440, 8-bit grayscale, non-interlaced Code:
convert -resize 1080 -type GrayScale -depth 8 input output However, if I do, Code:
cat output.png | ssh -l root IP /usr/local/Kobo/pickel showpic Actually, what I really wanted to do is customize the sleep screen, but that's beginning to be a bit off topic, I'll start another thread for that. Thanks, Axelle |
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01-11-2014, 03:20 PM | #13 |
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Displaying image with pickel
Yes, I can display images which are in the slideshow, but that's not what I am looking for.
I want, with a shell command, to display an image on my e-Reader. For instance, I can't understand why this does not work: Code:
cd /etc/images zcat splash.raw.gz | /usr/local/Kobo/pickel showpic |
01-11-2014, 04:56 PM | #14 | |
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Quote:
Last edited by tshering; 01-11-2014 at 05:11 PM. |
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