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Aja IO 4K tearing lines in vmix input
BigApple
#1 Posted : Saturday, 12 August 2017 11:07:13 AM
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Hello vmix Friends.
I have these strange horizontal "tearing" lines in my 4K input on my Aja IO 4K (Or whatever it is called) only when I use the 4K input .. on the 1080 SDI inputs is all well.
I DO NOT get them when I use the AJA capturing software. Only on Vmix see the video below the line seems a little delayed .. and the lines will not stay there sometimes I get 2 of them. And sometimes I do not have them at all... But because of it I can not use 4k on vmix. (See video for sample)
this happens on several versions I have tried...even on the latest 19.0.0.54
File Attachment(s):
capture - 11 August 2017 - 09-23-48 PM.wmv (224kb) downloaded 5 time(s).
Lines in Video .PNG (833kb) downloaded 6 time(s).
admin
#2 Posted : Saturday, 12 August 2017 11:47:02 AM
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Hi,

Can you confirm the systems specifications? CPU and graphics card?
On low end graphics it is possible for the video from the IO 4K to not copy fast enough causing the artefact you see.

Regards,

Martin
vMix
BigApple
#3 Posted : Saturday, 12 August 2017 12:19:13 PM
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admin wrote:
Hi,

Can you confirm the systems specifications? CPU and graphics card?
On low end graphics it is possible for the video from the IO 4K to not copy fast enough causing the artefact you see.

Regards,

Martin
vMix


Thank you for your reply
MSI Gaming G Series i7 6700 2.6ghz quad core intel HD 530 and NVIDIA GeForce GTX 970M (set as default gfx)
BigApple
#4 Posted : Saturday, 12 August 2017 11:55:56 PM
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BigApple wrote:
admin wrote:
Hi,

Can you confirm the systems specifications? CPU and graphics card?
On low end graphics it is possible for the video from the IO 4K to not copy fast enough causing the artefact you see.

Regards,

Martin
vMix


Thank you for your reply
MSI Gaming G Series i7 6700 2.6ghz quad core intel HD 530 and NVIDIA GeForce GTX 970M (set as default gfx)


So I don't think it is a low end gfx. the lpt is 1 year old and had the best gfx at the time I bough it
admin
#5 Posted : Sunday, 13 August 2017 12:43:06 AM
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What happens if you run vMix using the Intel Graphics?
This is what the AJA Control Room uses, so I wonder if that will make a difference.

BigApple
#6 Posted : Sunday, 13 August 2017 12:52:21 AM
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admin wrote:
What happens if you run vMix using the Intel Graphics?
This is what the AJA Control Room uses, so I wonder if that will make a difference.


thank you , yet I tried that already and to my surprise no difference either ... even with a restart . I also made sure I have the latest NVidia drivers .. still no luck
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