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Re: Back to Premiere. sigh.

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Oliver Peters
Re: Back to Premiere. sigh.
on May 3, 2020 at 8:00:45 pm
Last Edited By Oliver Peters on May 3, 2020 at 8:21:31 pm

[David Cherniack] "AFAIK it had all to do with playback...which was why it was called a playback engine."

Nope. You can turn it off and go software-only and it makes no difference on standard media playback. It affects effects processing and transform functions, so if you add filters in software-only or several layers with PIP, then you are taxing the CPU. It also affects the output using an external i/o.

For example, on my mid-2014 MBP, if I put a 4K ProRes clip on a 1080 timeline as "set to frame size" so it scales, it will play just fine (1/2 resolution). When the project is set to Metal acceleration, there's no colored "stress" line over the timeline. Playback is smooth and instant. When I switch to software-only, I get a red line over that clip and it has to buffer for a split second before it starts to play.

- Oliver

Oliver Peters - oliverpeters.com


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