Decklink hd extreme 3D+ with thunderbolt and Magma

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per.helstad

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  • Joined: Mon May 06, 2013 7:51 am

Decklink hd extreme 3D+ with thunderbolt and Magma

PostMon May 06, 2013 8:05 am

Dear all,
I have a problem with flicker on HDsdi output from my decklink hd extreme 3d+ card.

Setup is:
Asus G75VX with thunderbolt, windows 8
Magma Expressbox 1T
Decklink HD extreme 3d+

When i set the card in SD (PAL) there is no problem.
As soon as set to 720 or 1080 it flicker on video output.
It flicker 2-3 times a minute even no program is running.

Anyone that have the same problem?
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JamesParker

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Re: Decklink hd extreme 3D+ with thunderbolt and Magma

PostMon May 06, 2013 6:50 pm

Go back to desktop utility 9.53. That's the last good working firmware for that unit.
J.Parker
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per.helstad

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Re: Decklink hd extreme 3D+ with thunderbolt and Magma

PostMon May 13, 2013 8:14 am

It is still not working.
But when i test with a Bluefish epoc card it work just fine..
So there must be something wrong with the driver from BM..
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per.helstad

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Re: Decklink hd extreme 3D+ with thunderbolt and Magma

PostTue May 14, 2013 8:28 am

I think i found the problem.
I can see from performance test with Bluefish Epoc card that I am not able to get more than 310MB/sec from computer to the card. From card to computer i get 720MB/sec.
One fill and key is 200MB/sec in RGBA 8bit 1080i50. So about 240MB/sec in 1080i59.
So it might be driver for HD extreme that needs more bandwidth than the Bluefish card

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