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i have amd i use m4v it renders fast
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So I normally render my 4K video to XAVC-S which is also the native format of my clips from my Sony AX100 camcorder. I use a custom 4K UHD 30fps XAVC-S profile set to 100Mbps video, 384Kbps audio. I've ALWAYS had it set for Intel Quick Sync Video acceleration with no problems prior to today. Intel Quick Sync always worked great for speeding up my rendering of XAVC-S 4K videos... including recently when working on my train videos.
So last night while rendering a clip, the progress bar stopped in it's tracks for the first time ever and I noticed the estimated render time clock was increasing. The progress bar wasn't moving any further for awhile, so I pressed the cancel rendering option. But it wasn't working. I tried to close the program but it wouldn't respond to that either.
The whole time I noticed the hard drive was lit up solid. It was getting used a lot. I opened up the task manager to not only force PD14 to quit, but to also see what was accessing the hard drive and hogging resources.
Turns out my Malwarebytes scanner software had just decided to run one of it's random periodic disk scans it normally performs a few times a day. So I ended that task and PD14 too. I turned off the scanner software so it wouldn't interupt my rendering anymore.
I loaded up PD14 again and for some reason the Fast Video Rendering options are NOW unselectable for 4K video in the XAVC-S section when it's always been available (and I have always used it) in the past. That includes ALL the default 4K profiles. BOTH 1080 and 720 resolution XAVC-S are still allowed to use acceleration, but no XAVC-S 4K profiles are allowed to anymore. But under the H264 section, I can still use acceleration to speed up 4K rendering there just fine.
I still have PD13 installed and tried it out. Acceleration for 4K XAVC-S profiles still works like a charm in PD13! I rebooted the computer and PD14 still wouldn't allow it for 4K XAVC-S. I uninstalled PD14 and reinstalled it. Now I was tired.... I'm not sure if it was before or after the PD14 software update was installed... but the options were no longer greyed out and were back to normal. So I thought...YAY...it's fixed! So I worked on another clip and now the lack of an acceleration option for 4K XAVC-S is back.
I guess I can use PD13 in the mean time to get acceleration for 4K XAVC-S rendering, but that doesn't explain nor help me with the issue in PD14.
Anybody have a clue how to get it back?
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