Video Jerk in Playback

[Paul Provost]

try setting “effect handling” in fcp system settings to blackmagick instead of fcp.
we have a similar problem on one of our systems that still has not been resolved.
we have a decklink extreme – ntsc 10 bit – mac

[Luke Maslen]

Hi,

Which DeckLink card are you using and which Blackmagic easy setup are you using? I’m particularly interested to know if you’re working in SD or HD.

Are you capturing to a disk array or to an internal hard disk? If you are using a disk array, please describe it, eg an eight disk U320 SCSI disk array or an Apple Xserve RAID with 14 disks and 512 MB of RAM cache on each controller. Please run Blackmagic Disk Speed Test on the disk or RAID to which you are capturing your movies. What read and write speeds does it report?

It would also be a good idea to update to Final Cut Pro HD 5.0.3 and QuickTime 7.0.3.

Make sure your effect handling is set to Final Cut Pro HD despite Paul’s comments 🙂

Regards,

Luke Maslen
Blackmagic Design

[Luke Maslen]

Hi Paul,

Can you tell me more about your problem? Blackmagic effect handling should almost never be used now because we use the Apple codecs and RT Extreme effects for almost everything. The Blackmagic effects are really only included now for legacy projects which used them in the past.

Regards,

Luke Maslen
Blackmagic Design

[Paul Provost]

i was just suggesting the bmd effect handling as a test to see if it affects the problem.
as I have mentioned in untold number of post regarding this, one of our systems has video tearing playback problems if set to fcp effect handling in ntsc 10 bit. we have just resigned ourselves to leaving it on bmd effect handling after WAY too many hours trouble shooting the problem. at least we can cut on it.

[Luke Maslen]

Thanks Paul,

I just found an old post of yours dated Nov 13, 2004 which describes the same problem under Panther and Final Cut Pro HD 4.5. Did you ever ask Apple if they knew what might be causing it?

If you have different models of G5’s, does the same problem affect other G5’s or only the one?

Regards,

Luke Maslen
Blackmagic Design

[Paul Provost]

ask apple?!?! I guess you probably have a different relationship with them that that of an average user like me.
If a Joe like me calls, you get some kid asking if you tried restarting the computer. when you finally get to someone who
actually knows what they’re talking about, they just blame it on the third party products. If it boots up and you can get
on the internet, that’s enough for them to claim it’s working perfectly.

after all we have Apple hardware and software, ATTO hardware and software, Medea, BMD etc all in the mix.

But yes, as I have stated over and over again we have 2 identical sysytems and one nearly identical just a dual 2.5 insted of dual 2.0 The problem one is one of the dual 2.0 – this has come and gone over many versions of operating systems etc. (we always upgrade everything as soon as one test system shows stability)

THE ONLY CONSISTENT THING IN THIS MESS IS: SETTING EFFECT HANDLING TO BMD ALWAYS ELIMINATES THE PROBLEM.

honestly I’m sick to death of trouble shooting this an am just going to build a replacement system around a multibridge extreme when it ships sometime mid 2008

[Paul Provost]

ask apple?!?! I guess you probably have a different relationship with them that that of an average user like me.
If a Joe like me calls, you get some kid asking if you tried restarting the computer. when you finally get to someone who
actually knows what they’re talking about, they just blame it on the third party products. If it boots up and you can get
on the internet, that’s enough for them to claim it’s working perfectly.

after all we have Apple hardware and software, ATTO hardware and software, Medea, BMD etc all in the mix.

But yes, as I have stated over and over again we have 2 identical sysytems and one nearly identical just a dual 2.5 insted of dual 2.0 The problem one is one of the dual 2.0 – this has come and gone over many versions of operating systems etc. (we always upgrade everything as soon as one test system shows stability)

THE ONLY CONSISTENT THING IN THIS MESS IS: SETTING EFFECT HANDLING TO BMD ALWAYS ELIMINATES THE PROBLEM.

honestly I’m sick to death of trouble shooting this an am just going to build a replacement system around a multibridge extreme when it ships sometime mid 2008

[Luke Maslen]

Hi Paul,

If I’ve understood you correctly, it is only this one machine which consitently has problems and the other two Macs have been fine.

One of the things that FCP does as it starts up for the first time is it checks your hardware to determine what RT effects should be available. So if that Mac had a hardware problem, it might affect the profiling test and then your RT effects would not work properly.

An interesting test would be to take out the hard disk from the identical working Mac and put it in the troublesome Mac and then see if FCP effect handling works properly. If not, I would concluded it was a hardware problem with the troublesome Mac.

Regards,

Luke Maslen
Blackmagic Design

[Sheldon Pilot]

Hi Luke:

We have the same problem with two systems. We are using a G5 2.0 and a 2.3. The 2.0 dual processor has a 2XRAID 500G Lacie and Decklink SP card. The 2.3 is connected to a HUGE EXTREME 4XRAID and a 1.6T Lacie 4 X RAID with an Decklink HD card. We are getting video tearing on all of the motion in the video and the moving titles. It gets worse when a QT is created and then used in Sorenson 4.1. But the QT is where you really see the problem in any motion within the video image and moving titles. The footage is captured 8 bit uncompressed and output is the same. We have the same problem on the 2.3 G5 with the HD card and connected to the Huge Extreme and Lacie 1.6 T 4 X RAID and 10 bit uncompressed capture. We re-imaged with Tiger 10.4.2, upgraded FCP 5.0.3 and upgraded decklink to 5.1.2 and drivers. We thought the problem would have gone but it’s still there.

Any suggestions.

Sheldon Pilot
Sr. Producer/Project Manager
AVHb2b Communications/Ogilvy
Toronto, Canada
416-504-4393

[Sheldon Pilot]

Hi Luke:

We have the same problem with two systems. We are using a G5 2.0 and a 2.3. The 2.0 dual processor has a 2XRAID 500G Lacie and Decklink SP card. The 2.3 is connected to a HUGE EXTREME 4XRAID and a 1.6T Lacie 4 X RAID with an Decklink HD card. We are getting video tearing on all of the motion in the video and the moving titles. It gets worse when a QT is created and then used in Sorenson 4.1. But the QT is where you really see the problem in any motion within the video image and moving titles. The footage is captured 8 bit uncompressed and output is the same. We have the same problem on the 2.3 G5 with the HD card and connected to the Huge Extreme and Lacie 1.6 T 4 X RAID and 10 bit uncompressed capture. We re-imaged with Tiger 10.4.2, upgraded FCP 5.0.3 and upgraded decklink to 5.1.2 and drivers. We thought the problem would have gone but it’s still there.

Any suggestions.

Sheldon Pilot
Sr. Producer/Project Manager
AVHb2b Communications/Ogilvy
Toronto, Canada
416-504-4393