03-23-2021, 03:04 AM | #1 |
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Join Date: Jan 2016
Posts: 428
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Video rendering slow
Hi, I'm rendering a 45 minute video on my Ryzen 3900x and it's estimated redering time is 2 hours. I'm only using 24% CPU and only a couple of cores active. There are no effects in the project and it's only a wave file and a simple picture both looped to extend from 6 minuts to 45. Does Reaper really not use multithreading when rendering video?
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03-23-2021, 03:14 AM | #2 |
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Join Date: Dec 2012
Posts: 13,333
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Reaper doesn't have native encoders, FFMPEG used for rendering. I also have it very slow, sometimes less than 1xspeed.
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03-23-2021, 08:47 AM | #3 |
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Join Date: Jul 2009
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if it's just a picture you can set the render fps to 1 or 2 and it should render very fast
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03-24-2021, 12:00 AM | #4 |
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Join Date: Jan 2016
Posts: 428
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Yeah, I figured out that it was faster to set the fps to 1, which also makes the file a lot smaller, but I still wanted to know if this render rate was normal.
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03-24-2021, 08:10 AM | #5 |
Human being with feelings
Join Date: Jul 2009
Posts: 7,570
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for me a 30fps video rarely takes more than 1x. FFMPEG on Windows is a little slower than AVFoundation on mac.
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REAPER Video Tutorials, Tips & Tricks and more at The REAPER Blog
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