GH2 Flow Motion v2 - 100Mbps Fast Action Performance & Reliability for Class 10 SD cards

peternap

@zcream Is there anything other than unreleased settings, using the new cbrandin martix ?

byron_jo · Screen Shot 2012-08-12 at 11.21.27 PM.png

On PTool v3.66 there's a version increment setting (see pic below) that allows you to change it. Do i skip this and just change the file name when I save the new firmware?

cheers

j

alkasber

@LPowell,

I just got an 32gb 95mb/s Sandisk Extreme Pro card and I can record OK (fantastic IQ btw) in all modes, except 720 60P SH. I'm not using any of the modes you said that could freeze the camera in OP and the message I have is that I don't have speed to write at the card, it records 6 seconds and stop with the message. Is that normal? I thought the 95mb/s card was supposed to work with almost all hacks and modes (no file spanning)

Here a stream parser picture:

LPowell

@byron_jo Just increment the last digit in the filename so it's not the same name as the original "GH2__V11.bin" firmware.

LPowell

@johnnygh2 I haven't tested Cluster v6 so I can't comment on its motion picture quality. On a technical level, it's a long-GOP patch that uses conservative peak bitrates and coarser quantization tables on its P and B-frames than on its I-frames. This should make it a good choice for users who want a patch that improves on the unhacked firmware without producing large video files.

Flow Motion v2 is a short-GOP patch that uses moderately high bitrates to virtually eliminate macroblock artifacts in the most demanding fast-action shooting conditions. It uses custom quantization tables designed to produce B and P-frames of the same quality as its I-frames. This makes it a good choice for users who want a patch that delivers motion picture quality comparable to all-Intra 24p patches at about half the file size, and without compromising the quality of HBR modes.

For more details on Flow Motion v2 features, see the first post in this thread.

byron_jo

oh wait, do i type in 0x0111 to get the increment? Sorry for being incredibly stupid...haha!

j

byron_jo

Oh great, thanks man! I thought that was how it worked. Just wanted to be sure. When you said save as an 'incremented number', you mean instead of it being saved as V1.1.bin I would save it as say V1.3.bin or something?

cheers!

jo

LPowell

@byron_jo After launching PTool and loading Panasonic's GH2 firmware v1.1, hover your mouse over the "F" button and you should see a pop-up confirming that it contains the Flow Motion v2.02 patch. There is no need to make any manual adjustments, simply click the "F" button and save the patched firmware to your hard disk with an incremented number in the filename. Then copy the patched firmware file to an SD card and use it to update your camera. The patched firmware only needs to be installed once, and the camera will continue to use it until you install a different patch or revert back to the unhacked firmware.

johnnygh2

can you tell me the main differance between the Flow motion v2.0 hack and the Vluster v6 drewnet that I use at the moment.

Thank you! (Getting crazy at the moment!)

Kind regards,

Johnny

byron_jo

Do I need to manually do anything when I apply the hack? Like this? - http://www.zeroplusplus.com/updated-42-mbps-gh2-ptool-v3-62d-patch-visual-instructions/

I would greatly appreciate some help with this, as I said I am new to applying hacks.

byron_jo

Ok I worked out how to install the settings into PTool...now i just click F again to load the settings of the hack? Sorry, I'm new to hacking.

byron_jo

I am probably being a dumb ass but as a mac user when I try and download the Flow Motion v2 patch, i get a sets.ini file that I am not able to extract because it is not a zip file and PTool won't see it. Any mac friendly way around this?

zcream

Any chance of a version with the new cbrandin martix ?

LPowell

With respect to previous questions on how to confirm that the Flow Motion v2 patch has been installed, the most conclusive test is to examine a 1080p MTS file in Stream Parser, available here:

http://www.personal-view.com./talks/discussion/370/official-streamparser-topic/p1

A 1080p Flow Motion v2 recording will have a 3-frame GOP structure comprised of an I-frame followed by two B-frames. In Stream Parser, this will appear in the chart at the bottom of the window as a tall, vertical red line, with two short green lines to its right. In Stream Parser's Information panel, the TS Max Bitrate will be about 100,000,000 (or in Turbo Mode, 140,000,000).

LPowell

@alkasber Your understanding is correct. I've tested Flow Motion v2.02 with both 30MB/sec and 45MB/sec Class 10 SD cards, and they work reliably with all features, except for 4GB file-spanning at 100Mbps bitrates. Those SD cards do support file-spanning in FM2's 60Mbps 24L, FH, and H modes. If you have a 95MB/sec SD card, it will support file-spanning in all video modes except NTSC HBR and FSH modes.

For more details, see the first post in this thread.

alkasber

Hi. I starting to use the GH2 for aerial photography and I record only 4-5 minutes at a time using the 100mbps modes. Do I need a Extreme Pro sandisk 95mb/s or can I use Extreme 45mb/s and I will be fine? I don't think I need the file-spanning 4gb because I won't record over 5 min.

peternap

Thanks Lee! I'm going to try to shoot something with more color today. I did a lot wrong using yesterdays test as a starting point. My GH2 was set at ISO 200 but from there on, I should have stopped playing with the 1080-60 in the AC, and dropped down to 720. The bitrate is higher in 1080 which may cause some difference, not to mention resizing. I'll try your suggestions today.

LPowell

@peternap Looks like the GH2 has less blue and more red than the AC-160. I'd also suggest setting the GH2 to ISO 200 and lowering the AC-160's Master Ped to match the luminance levels of the GH2.

peternap

I'm starting the process of getting FM2.2 to match the video from my AC-160 These are frame grabs from the first test. The Gh2 was set Standard -2. The picture profile on the 160 is a little more complicated and it's going to take some time

(Translation, first day with the 160 and I don't have the hang of the profiles yet)

Update: On the advice from one of the 160 owners on DVInfo, I tried one of the stock presets (Spark) and it's pretty close. A little more tweaking and I think I'll get a good match.

saltherring

@mangomonster glad that worked! that is my workflow too: ClipWrap>Convert to ProRes>FCP/PP

mangomonster

@saltherring: Thanks, that worked!

LPowell

@ethanpil Not yet. On the GH2, I've been using a nighttime color temperature of 2700K for incandescent lighting. While you can dial in 2700K on the AF100, it's more convenient to select its 3200K setting, which is balanced for studio tungsten lighting. I've been trying to split the difference to see if I can come up with settings on both cameras that work over the entire 2700-3200K range, but need to do more nighttime testing.

ethanpil

@LPowell Maybe you missed my comment above...

You posted your recommended daylight settings. Do you have some nice Nighttime settings as well?

crackermd

done

LPowell

@FilmingArt Flow Motion v2 is a comprehensive, full-featured patch optimized to produce consistently excellent motion picture quality in the widest practical range of shooting conditions. For more details and sample footage, check out the first post in this thread.

All PTool patches are self-contained firmware upgrades that need only be installed once in the camera. After that, the camera continues to use the patched firmware until you decide to install another patch or revert back to the unhacked firmware. This can easily be done by using a separate SD card for each type of patch, swapping cards to install a different patch at any time you choose. Once you settle on a particular patch for long-term use, you can simply reformat the SD card as there is no need to keep the patched firmware on the card after it's been installed.

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