H.264 and GPU hardware decoding with Nvidia GTX 1080 Ti - no loads on the GPU when scrubbing?

Explorer ,
Nov 18, 2020

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Hello,

I was looking forward to test the latest update of Premiere Pro where GPU-accelerated hardware decoding for H.264/HEVC was added.

 

I checked that H.264 hardware decoding was ticked-off (Nvidia) under Preferences->Media. I do not have a CPU that includes Intel Quick Sync so this is my only way to go.

 

I tried editing a sequence with video files from my Canon R6 (filmed in C-log, H.264 format @ both 23.976 fps and 59.94 fps interpreted back to 23.976 to fit the sequence).

 

The scrubbing performance is still very choppy. What I find strange is that the CPU is showing 100 % utilization while scrubbing while the GPU is showing near 0% (1-2% at most). Isn't GPU hardware decoding supposed to take advantage of the GPU to smooth scrubbing? Wouldn't the GPU usage go up when scrubbing then?

 

I did a test with GPU hardware encoding just to check there was nothing wrong with the GPU and this does work, I can definitely see the GPU load increase to around 50% while exporting with GPU encoding enabled.

 

Is there anything I am doing wrong here? Can the 1080 Ti not be "supported" for hardware decoding?

 

My configuration:

  • Adobe Premiere Pro v14.6
  • Windows 10
  • Processor: Intel Core i7-7820X
  • MoB: MSI X299 SLI Plus
  • GPU: ASUS GeForce GTX 1080Ti ROG Strix 11 GB
  • RAM : Corsair  64GB (4x16Go)
  • 2 x 960 EVO NVMe M.2 SSD 500GB (1 for Windows / Premiere Pro, 1 for scratch files and media files combined)

 

Thanks.

TOPICS
Editing, Formats, Hardware or GPU, Performance

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1 Correct Answer

Explorer , Nov 20, 2020
gulli_86 AUTHOR
Explorer ,
Nov 18, 2020

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A small comment, I mentionned scrubbing but the playback is also very choppy which GPU hardware encoding is also supposed to smooth.

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Explorer ,
Nov 20, 2020

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