Same issues with Premiere pro 2022. The footage will not playback at any resolution (but the audio comes out fine) The problem seems to be at its worse with h264 files that are 10bit 4:2:2. It seems to play all other formats just fine. Footage is from a SONY a7siii and Sony A1 (4k footage in a 1080 timeline) This was working fine before updating to 2022. Running windows 10 on a 14 Core intel processor and 64 gigs of ram with a raid that sustains 2500 Megabytes/sec. Looking at the resource monitor my Nvidia card is at 3% usage and the processor hovers around 50% at 4.6 gigahertz....so it's not a hardware issue....
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