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Firmware Patch v1.0

PostPosted: Fri Mar 30, 2012 9:14 pm
by Simeon
As noted on my blog, we have released Firmware Patch v1.0

Patch Tool can be downloaded here
Use the online patch tool instead of the original tool.

To use:

Download the D5100 firmware
Download the FirmwarePatch tool
From a command prompt run the patch tool with the first argument pointing to the location of the above firmware
Copy the resulting output to your SD card and remove the ".patched" extension
Upgrade firmware from D5100 menu, as per the normal Nikon instructions

This should not brick your camera, but if it does I and the other Nikon Hacker team members will not have/take responsibility for any damages or liability. I have this firmware on my camera, and have taken a 25 minute video with it, but result may vary. Also damages that may occur due to camera operation times longer than specified by original manufacturer are your responsibility.

Re: Firmware Patch v1.0

PostPosted: Fri Mar 30, 2012 10:17 pm
by PatF
Congrats. I can't try it out until I get home from work but this is a great start. :text-thankyoublue:

Re: Firmware Patch v1.0

PostPosted: Sat Mar 31, 2012 2:13 am
by Findefor
What do you think if i rec video about your firmware?

Re: Firmware Patch v1.0

PostPosted: Sat Mar 31, 2012 6:49 am
by Simeon
Findefor wrote:What do you think if i rec video about your firmware?


As long as it's not long than 20 minutes that should be fine :lol:

Re: Firmware Patch v1.0

PostPosted: Sat Mar 31, 2012 7:14 am
by Dionysus
*hi5* Simeon, this is practical for me as I actually do youtube ridiculously long videos lol
I'll let you know how the "sensor frying" goes - do you want yours scrambled or sunny side up? :icon-twisted:

Re: Firmware Patch v1.0

PostPosted: Sat Mar 31, 2012 2:04 pm
by 4cc3ss
The patch for the D3100 works a treat, will be carrying out stress test to see if protection exist for the sensor overheating.

D3100 Firmware Patched

Re: Firmware Patch v1.0

PostPosted: Sat Mar 31, 2012 3:43 pm
by max
:clap: :dance:

Re: Firmware Patch v1.0

PostPosted: Sat Mar 31, 2012 7:27 pm
by stuge
4cc3ss wrote:stress test to see if protection exist for the sensor overheating

If that was ever in a statement from Nikon it's just marketing to fool consumers into believing that their hardware is more stupid that it really is so that they can sell more of it.

There's no significant difference between recording 10 minutes of video and 30 or 150. Obviously there's a big difference if suddenly consumers no longer have to buy two cameras, but can use one for both stills and video, and have a wide selection of optics to go with it.

Stellar work plowing through the code Simeon and Vicne. Kudos for keeping it up. Am charging my battery so the camera will update. I expect the patch will work just fine.

Could I ask you to describe the patch? Two opcodes change, e4->e0 and e2->e0, but which functions are they in and so on?

Re: Firmware Patch v1.0

PostPosted: Sat Mar 31, 2012 7:32 pm
by Dionysus
Hi Simeon,

After some beta testing, I think father time has us pegged at 59 minutes, regardless of the 4GB FAT32 limit. What reasons do I have to say this?
The video modes and corresponding maximum recording times with an empty 16GB card as reported on a D5100 are:
1080p 30 frame high quality - ~24 minutes
1080p 30 frame normal quality - ~42 minutes
1080p 24 frame high quality - ~24 minutes
1080p 24 frame normal quality - ~42 minutes
720p 30 frame high quality - ~42 minutes
720p 30 frame normal quality - ~59 minutes
720p 24 frame high quality - ~49 minutes
720p 24 frame normal quality - ~59 minutes
640p 30 frame high quality - ~59 minutes
640p 30 frame normal quality - ~59 minutes

As you can see, after 720p at 24 frames high quality, an asymptote forms up to 59 minutes regardless of the further downgrade in video quality.
Did you come across any subroutines relating to the VBR? It would be a joy to unleash uncompressed 1080p HD even if in short bursts due to file size.

regards,
Martin

Re: Firmware Patch v1.0

PostPosted: Sat Mar 31, 2012 7:44 pm
by stuge
Dionysus wrote:The video modes and corresponding maximum recording times with an empty 16GB card as reported on a D5100 are:

Did you actually record video and the camera stopped recording after these times, or are the times you reported what the camera showed as remaining time in the display? If you recorded, the file size of each recording could also be interesting to confirm the FAT limit.