[App] AFT 1.3.2 - Ambarella firmware editor (development paused)

Discussion in 'Firmware Modifications' started by Tobi@s, Jun 18, 2014.

  1. Tobi@s

    Tobi@s Well-Known Member App Developer

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    Thats a question for @z768
     
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  2. kopidoo

    kopidoo New Member

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    Can somebody explain me the exposure calculation with AE table?
    I know that the values represent the sensitivity of the fields, but how is the exposure calculated with different modes (spot, center weighted, average, etc,)?
     
  3. Tobi@s

    Tobi@s Well-Known Member App Developer

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    Uhm I don't get what you want to know, sorry
     
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  4. kopidoo

    kopidoo New Member

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    Okay I wil try a different way. What is the weighting between the values 1..5?
    eg. I have a table with values of 1, 2 and 3.
    1, Does it mean that the segment with 2 have the double sensitivity as the segmwents with 1?
    2, And the 3 is only 1.5x more sensitive as the 2?
    3, What if this is the measured light brightness in order of segment sensitivity: 2>3>1. How would be the exposre here calculated? Althoug the 3 is less bright tha 2, would it have more weight in the exposre calculation?
     
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  5. Makabra

    Makabra Member

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    Can I change bitrate using this program on A12 chipset firmware?
     
  6. Tobi@s

    Tobi@s Well-Known Member App Developer

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    Hi, I have no idea about A12 but you could try to load the firmware with AFT and tell me if it is even able to parse it correctly.
     
  7. jno

    jno New Member

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    Wow! It runs fine even on my MacOS X!
     
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  8. Makabra

    Makabra Member

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    Its not loading firmware file properly. But could I change it with any other softare? And another question. Is it possible to change in my firmware one option? I want my SOS button to protect longer files. Currently its only 1 minute and i want 3 minutes to be protected when i press SOS button on my camera.
     
  9. Tobi@s

    Tobi@s Well-Known Member App Developer

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    I dont think that modifying the file protect duration is easily possible. I don't know any tools that are able to deal with that chipset, neither..
     
  10. JCJMC

    JCJMC New Member

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    Hello, I have a drone DJI Phantom 2 vision +, I have the camera installed on a modified firmware by Falsificator in this thread July 2015, it works perfectly. I come to you to see if you can fix a small problem. Apart from the firmware was made (in other forum) a mod for improvements softening image outlines, works very well but has a bug that is accelerating the image, that is a real minute (60 seconds) the recording to 47 seconds. Could someone fix this?
    Thank you. I attached the mod.
    The chip is ambarella A5S and the sensor is Aptina MT9F002 (found while reading strings in PRI.bin and some debug output commands)

    mod:
    https://mega.nz/#!NUgRSQDT

    Thanks to Güeria author mod.
     
  11. silen7guardian

    silen7guardian New Member

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    I've tried this with AFT 1.3.2 and (because AFT said it was out of date) with AFT 1.3.3
    I have a CDV300S. Firmware version from menus is listed as v0.4.8. I used the following to pull what I believe to be a good backup of the firmware:
    Code:
    firmfl gen 6 bst bld hal pri rom dsp d:\backup.bin > output.txt
    rm d:\autoexec.ash
    drives > drives.txt
    Opening the A7 firmware and choosing to extract all results in the following partitions:
    Code:
    [~] adminx > ls ~/Desktop/partitions
    BLD.a7h        BST.a7h        DSP.a7h        HAL.a7h        HEADER.a7s    PRI.a7s
    BLD.a7s        BST.a7s        DSP.a7s        HAL.a7s        PRI.a7h        RFS.a7h
    
    I can load bitrates from PRI.a7s, and I can edit bitrates, and I can apply the changes, reopen the file, and see that they've saved... but when I want to build the new ROM/firmware, I get an error (see screenshots) on both Mac and Windows.

    I just got this dash cam, hoping it would be better than my trusty G1W. So far, I'm not at all impressed, so I was happy to see that there may be a solution. I do like the form factor though.

    I might be doing something wrong, but it looks like AFT may not yet be compatible with the version of firmware. Can I help you, or can you help me? Thanks!

    If this is covered in in a thread somewhere already, feel free to scold me appropriately. ;-)

    Edit: I tried attaching the firmware binary, but that's a no-go. I'm sure I can get it to you if you want to PM me though.
     

    Attached Files:

    Last edited: Mar 17, 2016
  12. jokiin

    jokiin Well-Known Member Manufacturer

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    @Tobi@s would probably be the best one to ask
     
  13. vvs49

    vvs49 Member

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    Gentlemen!
    And under the android(Novatek) that anything exists?
     
    Last edited: Mar 22, 2016
  14. Tobi@s

    Tobi@s Well-Known Member App Developer

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    So theres no RFS.a7s file? I guess the backup does not include the rom image. Maybe you could share the firmware backup so i can have a look at it?
     
  15. silen7guardian

    silen7guardian New Member

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  16. Tobi@s

    Tobi@s Well-Known Member App Developer

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    Strange, it worked for me. Could you precisely describe what you are doing (step by step)?
     
  17. silen7guardian

    silen7guardian New Member

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    I was following the steps in this video:
    Except it turns out I'm an idiot and wasn't actually following all the steps. I didn't do the ROM/RFS -> Extract ROM to disk part.

    Sorry for the trouble, and thank you for your help!
     
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  18. turbozapekanka

    turbozapekanka New Member

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    Can somebody explain which line in the bitrate editor should I change if I want to increase the bitrate for a specific resolution?
    there are way too many lines in the editor, why?
     
  19. Peter Wilson

    Peter Wilson Active Member

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    Has anyone looked at the K1S Kaloon camera
     
  20. Tobi@s

    Tobi@s Well-Known Member App Developer

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    It should work (theoretically ;))
     
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