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Scratch Disks with HD projects?
New to HD, but have been working with PP for a few years in SD. Never had problems previewing footage with effects using the default scratch disk setting.
However, now in HD, PP is freezing during the preview of any clips featuring even the simplest effects. I capture my HD footage via a Blackmagic Intensity Pro and a 4 disk RAID0. I keep the HD clips on the RAID while editing. I have tried utilizing another HDD for AV previews, but haven’t had any luck…
Thanks for any help!
<<< System Summary >>>
> Mainboard : Foxconn 975X7AB
> Chipset : Intel i975X
> Processor : Intel Core 2 Duo E6300 @ 1866 MHz
> Physical Memory : 3072 MB (3 x 1024 DDR2-SDRAM )
> Video Card : ATI Technologies Inc Radeon X1950 Pro (PCIe)
> Video Card : ATI Technologies Inc Radeon X1950 Pro (PCIe)
> Hard Disk : WDC (80 GB)
> Hard Disk : WDC (80 GB)
> Hard Disk : WDC (80 GB)
> Hard Disk : WDC (80 GB)
> Hard Disk : ST316081 (160 GB)
> Hard Disk : WDC (250 GB)
> DVD-Rom Drive : SONY DVD RW DW-U18A ATA Device
> Monitor Type : Samsung SyncMaster – 19 inches
> Monitor Type : ViewSonic VX2235wm – 22 inches
> Operating System : Windows Vista (TM) Ultimate Professional 6.00.6000
> DirectX : Version 10.00
> Windows Performance Index : 4.1
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4 Replies
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I don’t own an intensity Pro card, but as I understand it, it doesn’t provide any type of acceleration.
If you are capturing 10 bit 1080P lossless for example, I don’t think a Core2Duo will provide realtime playback (even less without rendering). I have seen our dual quad choke on uncompressed 1080P after adding about 25 minutes of footage on the timeline. It should handle HDV and DVCPro at least up to 720P without problems, but after that it’s a hit or miss. Xeon would be the way to go for that kind of project.
It seems you have everything you need of the hard drive side, what are you running for graphics ? (although it may not make much of a difference here).
What is your windows performance monitor saying during playback?
Vince
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I had the same problems until I switched back to earlier Blackmagic drivers. I think I went back to the 1.7 drivers.
James
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K – I knew I was gonna have to upgrade my CPU at some point… I will have to see if Quads have come down in price since I put together my latest pc. Hopefully even a minimal increase in CPU power will help me here, as I am really only dealing with 4 minute videos (edited down from MAYBE 20 minutes of total stored footage.) I have 2 ATI Radeon X1950 Pros, but I have only been running one while editing on 2 screens. Unfortunately the crossfire technology reduces the output to a single monitor… I may have to give Crossfire a shot – I know there are setting within PP for graphic acceleration, but like you, I’m not really sure if this will help.
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Interesting – thanks for the input, I will have to try this…
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