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mcmcomp  
#1 Posted : Wednesday, December 10, 2025 1:39:50 PM(UTC)
mcmcomp

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I have the same buffering issue occur on two different production computers. Both happen about 50 to 60 minutes into the LIVE STREAM. I even bought a new LAPTOP per the Spec from Martin and Tim from B & H (ASUS) and created new templates and limited my inputs and it still happens. Just now this was for a YouTube Live Stream and this is just a snippit of the same error I get. It went on for over an hour, clearing up for a short time period. I even reduced the stream for 1080p 60fps to 1080 to 720. I reduced the bps to from 6000 to 4500 to no avail. Still happens. What is the vMix Video YV12 buffer??? My internet is 1GB, (939 down and 41 to 45 up)

Can someone help or point me in the right Direction?

[dshow @ 000001c233bc8800] real-time buffer [vMix Video YV12] [video input] too full or near too full (63% of size: 128000000 [rtbufsize parameter])! frame dropped!
[dshow @ 000001c233bc8800] real-time buffer [vMix Video YV12] [video input] too full or near too full (63% of size: 128000000 [rtbufsize parameter])! frame dropped!
frame=212218 fps= 28 q=29.0 size= 5360142kB time=02:07:17.29 bitrate=5749.5kbits/s speed= 1x
[dshow @ 000001c233bc8800] real-time buffer [vMix Video YV12] [video input] too full or near too full (65% of size: 128000000 [rtbufsize parameter])! frame dropped!
[dshow @ 000001c233bc8800] real-time buffer [vMix Video YV12] [video input] too full or near too full (65% of size: 128000000 [rtbufsize parameter])! frame dropped!
mcmcomp  
#2 Posted : Wednesday, December 10, 2025 1:43:07 PM(UTC)
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I have optimized the settings per vMix recommendation. I have a Nvidia 5060 card and have turned on all the features as recommended.
IceStream  
#3 Posted : Wednesday, December 10, 2025 9:38:29 PM(UTC)
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@ mcmcomp

It is likely due to a change in your available bandwidth, either network congestion or a throttling down for some reason:
- https://www.vmix.com/kno...mes-show-orange-or-amber


Ice
mavik  
#4 Posted : Thursday, December 11, 2025 2:54:22 AM(UTC)
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Things to debug.
Temperature issue with laptops throtteling down intense processes.
Download WinMTR and check the path to the server while streaming. Maybe the congestion is on the way and you can do nothing.
Monitor your network and NIC. Mikrotik has very good live stats, torch or other features that could lead to the root.
Switch off all energy saving options. Especially on the NIC.
Try a different streaming service (you could use test/demo accounts) to see if this makes it worse (more a local issue) or it's limited to only one (more a provider issue).
You could also try something like VPN or Speedify that would give you a different entry point to the streaming server in a more controlled path to it.
thanks 1 user thanked mavik for this useful post.
jet on 12/11/2025(UTC)
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