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  • Hey all, just changed over the backend after 15 years I figured time to give it a bit of an update, its probably gonna be a bit weird for most of you and i am sure there is a few bugs to work out but it should kinda work the same as before... hopefully :)

Playback - Codec Error?

J

Jim Exton

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What causes this? I am guessing overexposure, I saw that was mentioned on another thread but I just want to confirm.

I was shooting the setting sun, it was behind a bunch of houses. Not serious footage, just testing the camera.
 
Jim,
Build 12 is the most recent ..so you may need to download the firmware from the NET
 
Please email this in to tech support so we can get to the bottom of it.

Graeme
 
Update - For whatever reason, it works now.

Camera was powered down for an hour. And before it went from outside 50 degrees to inside 71 degrees.

That is the only difference I can think of between the two times I played back that card.
 
It's probably worthwhile to help them trace the bug by narrowing down the circumstances under which the problem occurred:
Is there something visible in the R3D file around the time frame that the playback mechanism triggered the codec error? On footage I shot using build 10 I had a similar problem, which I attributed at the time to cold weather, in the footage you can see sections of the frame where it appears that compression couldn't complete. In retrospect, I was also dealing with snow on the ground, which caused some areas of overexposure. This is what it looked like:
View attachment 2385

My assumption was that this was a cold weather thing and fixed in the new bodies. But maybe something else has been slipping through the cracks. One other question, were you using False color, around or during the time of playback?
 
Didn't use false color. Everything was by eye.

When I played back, I didn't notice anything wrong before it went kaput, nothing like in your footage. It just seemed because of the orange glow.

Like I said, it does work now. I am sure Red will get in touch with me, I will keep an eye on things.
 
ibloom said:
On footage I shot using build 10 I had a similar problem, which I attributed at the time to cold weather, in the footage you can see sections of the frame where it appears that compression couldn't complete. In retrospect, I was also dealing with snow on the ground, which caused some areas of overexposure. This is what it looked like:
Click to expand...

Ian,

I've seen a very similar noise pattern or moire pattern in other footage. It's not a cold weather issue -- some of this noise presented itself at LART.

So far, in the footage I have seen, the noise pattern tends to stay somewhat stationary and will strobe depending on what is going on, but seeing it in motion made me think it was a moire caused by the OLPF or some characteristic of it or light interacting with it (glare?). However, this clip looks to be under different circumstances. Any chance of posting an R3D file or a clip where we can see the motion characteristics?
 
Jeff Kilgroe said:
Ian,

I've seen a very similar noise pattern or moire pattern in other footage. It's not a cold weather issue -- some of this noise presented itself at LART.

So far, in the footage I have seen, the noise pattern tends to stay somewhat stationary and will strobe depending on what is going on, but seeing it in motion made me think it was a moire caused by the OLPF or some characteristic of it or light interacting with it (glare?). However, this clip looks to be under different circumstances. Any chance of posting an R3D file or a clip where we can see the motion characteristics?
Click to expand...

I'd rather not post it but I can ftp to individuals who need to take a look.
In terms of motion, what I see are flashes of blocks of incomplete compression. Sometimes of half the screen.

Ian
 
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