Upgraded GPU from Nvidia 3070Ti to Nvidia 5080 Now VP22 slow crashes

terry54321 wrote on 6/19/2025, 6:08 PM

I upgraded GPU from Nvidia 3070Ti to Nvidia 5080 so I could preview Canon 4K 10bit 422 MP4 video files smoothly on the Vegas Pro 22 time line and to speed up rendering of 4k video. With the 3070 Ti gpu I had to create proxies in VP 22 to preview smoothly on the time line and rendering of 4k video was slow. However, with the new Nvidia 5080, VP 22 is sluggish, takes a full minute for me to drag a file from VP Explorer to the time line and gives message Vegas Pro 22 Not Responding. Frequently the video file has no video just audio. So now VP 22 is unusable for me unless I can find a fix.

Intel i9-12900KS, 64GB RAM, RTX 5080 with 16 GB Vram, C: drive 2 TB SSD, Windows 10 64 bit.

Comments

RogerS wrote on 6/19/2025, 6:39 PM

I'm sorry to hear about this.

Would you be willing to try to do a clean reinstall of the NVIDIA driver? Remove it with this tool: https://developer.nvidia.com/downloads/cleanup-tool and then install the current studio driver.

Beyond that a reset of VEGAS could help- hold control + shift upon startup.

I don't think VEGAS yet incorporates support for NVIDIA 10-bit 422 decoding.

If you get a chance could you also fill out the VP 20 benchmark in my signature to see how this GPU is performing in general in VEGAS (after you redo the driver and hopefully get it working?)

terry54321 wrote on 6/19/2025, 8:14 PM

I tried turning off GPU acceleration in Video Preferences. VP 22 is still very slow on starting the program. But it can play the Canon 4k 10bit 422 files in Preview auto mode smoothly on the timeline with GPU acceleration OFF. I had to create video proxies for smooth play back on the timeline in Preview mode with the old Nvidia 3070Ti. However, VP22 is very slow at rendering to either 4k or HD GPU acceleration OFF. Also, with GPU acceleration turned on I can play 4k 8bit 420 mp4 files smoothly on the time line. I just have to avoid using the 4k 10 bit 422 files with GPU acceleration turned on. I may wait and see if Magix Support tells me VP22 does not yet support Nvidia 10-bit 422 decoding.

Alan-Smithee wrote on 6/19/2025, 8:33 PM

With GPU acceleration on do you get a different outcome with this file https://www.swisstransfer.com/d/7c32eef0-af66-4fd9-9024-bd52a5022802

Either is plays with CPU, plays with GPU, or the same black screen?

RogerS wrote on 6/19/2025, 8:42 PM

When you say GPU acceleration off do you mean in preferences/video or preferences/file io and hardware decoder off?

terry54321 wrote on 6/19/2025, 9:08 PM

Preferences / video / GPU acceleration of video processing / Off

RogerS wrote on 6/19/2025, 9:21 PM

First, did you do the driver reinstall or reset? Overall video processing shouldn't affect decoding.
Second, did the benchmark project play back and render? It's a known good project (so media is not a factor).
Third, what happens if you leave preferences/video on but turn off hardware decoding in preferences/ file io?
Fourth, what happens with a non-422 file like what Alan shared.

terry54321 wrote on 6/19/2025, 10:02 PM

This file file https://www.swisstransfer.com/d/7c32eef0-af66-4fd9-9024-bd52a5022802 is black in the preview window with GPU processing on or Off.

RogerS wrote on 6/19/2025, 10:18 PM

Okay so you need to try step 1 then, driver. After you do the clean-up the current one is here: https://www.nvidia.com/en-us/drivers/details/247854/

RogerS wrote on 6/19/2025, 10:32 PM

Actually Alan's file is 10-bit 422 AVC and looks like it was modified and isn't directly from a camera.
I loaded that file into 22.250 with my RTX 4060 mobile and it doesn't preview and slows VEGAS to a crawl.

General
Complete name : DJI_20250510135655_0200_D_TRUNC.MP4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom (isom/iso2/avc1/mp41)
File size : 467 MiB
Duration : 5 s 271 ms
Overall bit rate mode : Variable
Overall bit rate : 744 Mb/s
Frame rate : 29.970 FPS
Encoded date : 2025-06-20 00:52:27 UTC
Tagged date : 2025-06-20 00:52:27 UTC
Writing application : Lavf62.0.102

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High 4:2:2 Intra@L5.2
Format settings : CABAC / 1 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference fra : 1 frame
Format settings, GOP : N=1
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 5 s 271 ms
Bit rate mode : Variable
Bit rate : 744 Mb/s
Width : 3 384 pixels
Height : 6 016 pixels
Display aspect ratio : 0.562
Rotation : 90°
Frame rate mode : Constant
Frame rate : 29.970 (30000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:2
Bit depth : 10 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 1.219
Stream size : 467 MiB (100%)
Encoded date : 2025-06-20 00:52:27 UTC
Tagged date : 2025-06-20 00:52:27 UTC
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Codec configuration box : avcC

I see no evidence NVIDIA 10-bit 422 decoding has been implemented in VEGAS so would expect it to fall back to a software CPU decoder for such footage. Here it's Mainconcept AVC.

https://www.vegascreativesoftware.info/us/forum/vegas-pro-vegas-post-release-history--104998/?page=3