100% CPU usage

Question

Hi,

My CPU usage is shooting up to 100%. The footage is from a GH5 shot in HD, it has four Lumetric colour grades on it and has a second overlay on it rendered from after effects.

This is my PC Build:

Processor

AMD Ryzen 9 3950X 16-Core Processor

Video Card

NVIDIA GeForce RTX 3090

RAM

64 GB

What's weird is that this only happens sometimes. I create videos that follow a very similar format and only sometimes does this happen.

Does anyone know what might be bottlenecking it?

Cheers,

Arthur

Andy 1968 · Answer

Some of the variations of H.264/265 can be hard to playback even at 1920 X 1080 because Quick Sync nor Nvenc can encode or decode the codec.

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