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Trouble playing DPX sequences

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Bret Hampton
Trouble playing DPX sequences
on Sep 6, 2017 at 5:46:58 pm

Hi gang

My computer plays almost everything at full resolution with Mercury playback except for dpx sequences. I prefer full rez as I do film restoration and anything less obscures the very things I need to fix.

HP Z800 dual Xeon processors 6 cores each
24g ram
SSD boot drive
NVIDIA GTX 870 GPU
G-Tech G Speed ES w/their controller
PP CC current version.


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Tero Ahlfors
Re: Trouble playing DPX sequences
on Sep 6, 2017 at 5:58:38 pm

With DPX sequences your storage media needs to be fast. How big DPX frames are you trying to run at what frame rate? How fast is your storage?


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Bret Hampton
Re: Trouble playing DPX sequences
on Sep 6, 2017 at 8:58:17 pm

Hi Tero

Am using G Tech Gspeed es in Raid 0, all Enterprise class 7200 rpm drives. DPX files are 2336x1752 16m each at 23.98. (These are 4x3/1.33 film scans of a 1928 movie.


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Tero Ahlfors
Re: Trouble playing DPX sequences
on Sep 7, 2017 at 3:56:45 am

[Bret Hampton] "Am using G Tech Gspeed es in Raid 0, all Enterprise class 7200 rpm drives."

But how fast is it? You would need at least 400 MB/s and the official specs say that it can run up to 252 MB/s. Which is not enough.


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Bret Hampton
Re: Trouble playing DPX sequences
on Sep 7, 2017 at 3:24:58 pm

Thanks Tero

That was the information I needed but couldn't remember. As configured my system isn't fast enough. Do you play dpx files? What drive setup could handle this?


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