P2 artifacts

[Noah Kadner]

Sounds like the computer was not happy at all- if that corruption carried over to your shots that were transferred well then yeah you could have clips with bad data- i.e. ruined. That’s why it’s incredibly important to have a stable transfer system and verify all copies you make from P2 card to hard drive- before re-using a card.

Noah

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[Connie Bottinelli]

thanks for the quick response, Noah. I think I left out information in my post.
1) P2 cards with project A
Used dual adaptor to L&T through FCP to external hard drive
Computer crashed with “gray shade” during L&T
Posted on Cow
Advise seemed to correct problem and L&T went fine
Formatted both cards for new shoot
2) Newly formatted P2 cards loaded to begin shooting different project B
Tested a new frame rate by shooting a few scenes
Playback in hvx200 showed sparkles all over every frame
Used P2 reader to L&T through FCP to laptop
Playback through FCP shows large white artifacts every 8 seconds

Sorry for not clarifying what footage was corrupted and when. Any ideas?
Connie

[Noah Kadner]

It’s hard to say if that’s a previewing problem within FCP or actual corrupted footage- what does it look like in QT Player?

Noah

Check out my book: RED: The Ultimate Guide to Using the Revolutionary Camera! Unlock the secrets of 24p, HD and Final Cut Studio.
Now featuring the Sony EX1 Guidebook, Panasonic HVX200, Canon EOS 5D Mark II, and Panasonic DVX100.
Call Box Training
DSLR Cinematography Blog

[Connie Bottinelli]

Noah,
I won’t have access to the footage until Wednesday, but I’ll check it out in QT player. I’m not suspicious of FCP because every frame of the footage is covered with those MOVING “sparkles” when I playback right in my hvx-200. I wanted to see if it showed up on a computer so we did the L&T and it was there alright, showing up in FCP playback too, but only every 8 seconds – like a cycle of some sort – not constant like in the camera playback.

I’m thinking it’s a Panasonic issue?? Don’t know if it’s camera or P2 card or is it from my MacBook OS crashing “gray shade” when I was doing L&T with the card in a dual adaptor?? I don’t even know what company to call at this point.

Connie

[Robert Ober]

Hello,

The grey screen crash is known as a kernel panic. If the MacBook (Pro?) was OK after that and able to format the P2 card successfully then it is probably not related to the crash. By the way, kernel panics these days are rare. Please make sure you run Software Update and that you have the latest updates. Also check with the Apple website or call Apple to see if there is a firmware update for your machine. I did not see in your earlier post if you are on OS X 10.6 Snow Leopard. Some P2 adapters do not have the proper drivers for Snow Leopard.

Having said all that, my guess it is the camera. If you go back to the frame rate you used previously do you still have the distortion in the video? My thinking is that if it occurs playing back in the camera then it is a camera or P2 issue. Try a different frame rate/codec and let us know what happens.

Good Luck,
Robert

[Jeremy Garchow]

It is best practice to copy the footage off of the cards first to an external hard drive. Once the data has been transferred to this hard drive, then you log and transfer. You shouldn’t log and transfer right from the p2 cards. The MXF files are your master files. You wouldn’t capture a tape and then throw away the tape, right?

[Connie Bottinelli]

Hello Robert,
Yes, I’m using a MacBookPro – under 1 yr old. OS X 10.5.8. Advice on the kernal panic question was answered by Shane on my thread last week. After verify and repair permissions were done, everything was back in working order. (software was already updated) Your comment about these kernal panic situations being rare concerns me. I’ll be calling apple about it.

Camera: I did do another test record using the former frame rate and the artifacts were still there. Feeling more like a panasonic problem at this point. I was unsure because when the kernal panics occurred, the P2 cards were mounted on the macbook pro through a dual adaptor.

Thanks for the reply…or any other advice you may have.
Connie

[Connie Bottinelli]

Hi Jeremy,
Tell me if this is the proper order:
— The P2 cards are in a dual adaptor to my MacBookPro
— The scratch disk is set to my external hard drive
— L&T through FCP

It’s obvious that I’m a novice at this and I appreciate you help in making things crystal clear.
Connie

[Jeremy Garchow]

[connie Bottinelli] “Tell me if this is the proper order: “

You are forgetting one crucial step.

-Load the card in to the duel
-Make a folder on your scratch disk called Card_01 (or whatever you want it to be named)
-Drag the lastclip.txt file into that folder.
-Drag the CONTENTS folder in to that same folder.
-Eject the p2 card. Open FCP and Log and Transfer. Then point Log and Transfer to that Card_01 folder.

Make sense?

Don’t log and transfer straight from the P2 card.

Jeremy

[Connie Bottinelli]

Jeremy,
Yes. Makes sense. THANK YOU.
Connie