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TYPLive  
#1 Posted : Monday, October 19, 2020 8:33:16 AM(UTC)
TYPLive

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Really struggling to find a fix of vMix Replays stuttering every so many frames.

PC Specs:
Ryzen 7 3700x (Running Precision OC to around 4.3GHz)
Replays saved to a m.2 Samsung evo pro SSD
32GB Ram
GTX1060 6GB

Currently have the high performance boxes ticked.
Big cause seems to be when the capture cards are plugged in but I'd have thought 3 capture cards going through a B550m and 1 going through a pcie usb card be running okay to not cause this stuttering.

tia
MartLeib  
#2 Posted : Monday, October 19, 2020 10:02:07 PM(UTC)
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Do you happen to have Dropbox running maybe? We have framedrops when Dropbox is running in the background, even while doing nothing.
thanks 1 user thanked MartLeib for this useful post.
bgbenni on 3/9/2021(UTC)
Radiotvpat1982  
#3 Posted : Thursday, November 5, 2020 10:52:31 AM(UTC)
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If you are not seeing drops in the live preview but only the playback here are a couple things to check.

Make sure that all your cameras match the actual input in replay. For example if your camera is outputting 1080p but your replay is setup to take in 720p. I have saw this happen a number of times. Next version of VMIX replay allows for this.

Are any of your inputs NDI?

Last thing to check is to stop recording and just try to play them back without also recording. If this clears things up, its likely something to do with your drive.

Hope this helps



hadphild  
#4 Posted : Friday, November 6, 2020 10:01:27 PM(UTC)
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Are you using companion?
gorbva  
#5 Posted : Wednesday, March 3, 2021 10:18:55 PM(UTC)
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Originally Posted by: hadphild Go to Quoted Post
Are you using companion?


Do you mean Companion for Elgato Stream deck? How this soft affect to Instant Replay?
VideoPepper  
#6 Posted : Friday, March 5, 2021 1:24:28 AM(UTC)
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Originally Posted by: Radiotvpat1982 Go to Quoted Post
If you are not seeing drops in the live preview but only the playback here are a couple things to check.

Make sure that all your cameras match the actual input in replay. For example if your camera is outputting 1080p but your replay is setup to take in 720p. I have saw this happen a number of times. Next version of VMIX replay allows for this.

Are any of your inputs NDI?

Last thing to check is to stop recording and just try to play them back without also recording. If this clears things up, its likely something to do with your drive.

Hope this helps



Hi,

We have the same issue with replay. The recordings are fine. They play back alright in VLC. We did notice that it only seems to affect NDI sources. We have one SDI source in replay and that doesn't have the issue. Why do you think NDI could be a cause?
Radiotvpat1982  
#7 Posted : Friday, March 5, 2021 11:27:24 PM(UTC)
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Here are some things to try for NDI.

First, make sure the NDI output is set to a framerate as close to the other cameras as possible. As an example, if your camera wont output 59.94 output then do 60FPS. Keep in mind this is different than the physical outputs. There are people that miss that difference.

Next, assign that NDI source to an output on VMIX. So for example assign NDI camera XXXX to output 2. Then see if that corrects the issue. If those 2 things are in place then frame sync should be pretty close. Is your camera running full NDI or NDI-HX?

VideoPepper  
#8 Posted : Sunday, March 7, 2021 9:28:09 PM(UTC)
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Originally Posted by: Radiotvpat1982 Go to Quoted Post
Here are some things to try for NDI.

First, make sure the NDI output is set to a framerate as close to the other cameras as possible. As an example, if your camera wont output 59.94 output then do 60FPS. Keep in mind this is different than the physical outputs. There are people that miss that difference.

Next, assign that NDI source to an output on VMIX. So for example assign NDI camera XXXX to output 2. Then see if that corrects the issue. If those 2 things are in place then frame sync should be pretty close. Is your camera running full NDI or NDI-HX?



Thanks.

All framerates are the same. I think vMix gives an error in the Replay settings if they don't match up.

We use Bird-Dog Studio devices and a few P200 camera's, so everything is Full NDI. Five NDI camera's in total, they come in through their own network and router. From the router on fiber to the vMix system. Two NDI-camera's and one SDI are used in Replay. SDI is not affected.

Not sure if I understand putting the camera's to different outputs. Do you then use the output as an input in Replay? We could try that.
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