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Canon Ivy Rec (A12+IMX258) water- and shockproof camera

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  • Ezek
    replied
    Review: https://www.ixbt.com/dv/canon-ivy-rec-review.html

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  • petesimon
    commented on 's reply
    DrekiTech - did you use this backup script for A12 ? https://yadi.sk/d/4Sh_ElaOpJw7Hw

  • nutsey
    replied
    DrekiTech try this script 1080p60-bitrate-fix.zip
    Bitrate should be 30+ now.

    Leave a comment:


  • DrekiTech
    commented on 's reply
    Here you go : https://www.dropbox.com/s/1c7cgd1zgf...-dump.bin?dl=1

    Interesting that the camera was originally meant for square video settings. There is a square photo option in the settings but not for video that I can see. It makes sense as the "view hole" is square.

  • nutsey
    replied
    Seems like this camera was designed to shoot 1:1 aspect ratio square videos with 1560x1560 pixels resolution at 30 frames per second, but for some reason it was changed to more common FullHD and HD modes.

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  • nutsey
    commented on 's reply
    I believe it can be done with a script. Run this script (unpack autoexec.ash to the root of your microsd, turn on your Ivy Rec and wait for ~15 seconds): https://drive.google.com/file/d/15KL...ew?usp=sharing
    Share dump.bin and I will check it for bitrate offsets.

  • DrekiTech
    commented on 's reply
    Since the firmware update goes through their app, I wonder how much of it could be modified or if it is fully locked down. I'd like to see slightly higher bitrate in 1080p60. I bet 4K isn't possible, due to the app being the only place to switch settings... Can you confirm if the cam is using EIS?

  • nutsey
    commented on 's reply
    Thank you! 13MP Sony IMX258 CMOS sensor confirmed.

  • DrekiTech
    commented on 's reply
    OK, that seems to have done it. As an aside, when you try to minimize the Canon app it automatically turns off the camera Wi-Fi. I was able to trick the app into connecting the camera by pressing the button to connect the cam then quickly minimizing the app before it connected.

    https://www.dropbox.com/s/86ege9o6pk...DBlock.7z?dl=1

  • nutsey
    commented on 's reply
    Ok. Try typing:
    dd if=/dev/mtdblock0 of=/tmp/SD0/mtdblock0.bin

    And repeat for mtdblock1-mtdblock9 if it works (check your microsd card for the mtdblock0.bin file).

  • DrekiTech
    replied
    So I had to do this on my phone, as the camera would not enable Wi-Fi unless it received a command via bluetooth from the Canon App. Turning it onto wireless mode does not start Wi-Fi automatically.

    This is as far as I got... Really as I said I am bit out of my league here. Please either tell me what to type next, or maybe we can chat over Discord and you can guide me through it.

    Busybox has a bunch of commands listed as available, I didn't get a screenshot of all the options it listed

    Click image for larger version

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    Last edited by DrekiTech; 05-17-2020, 07:49 AM.

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  • nutsey
    replied
    Short video guide for switching video mode from 720p30 to 1080p30 or 1080p60.

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  • nutsey
    commented on 's reply
    0. win+r
    1. 'telnet 192.168.42.1'
    2. login as 'root'
    3. 'ls /tmp' to check how sd card is mounted
    4. 'ls /dev' to confirm mtdblock0-9 are there
    5. run 'busybox' to confirm dd, cat or cp are there
    6. copy mtd blocks to sd card with one of busybox commands

  • DrekiTech
    commented on 's reply
    I tried both the backup script on Telnet (I seem to be able to connect to the camera via TELNET but it says "cannot execute backup.sh") as well as back up via MTD partition script on SD Card. Neither seem to work, and now this is getting out of the scope of my knowledge. Any advice?

  • nutsey
    replied
    DrekiTech Could you please save and share your firmware backup: https://www.goprawn.com/forum/ambare...1659#post11659

    Leave a comment:

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