PeterP
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Posts posted by PeterP
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Ran across a new FREE H.265 transcoder created by an NX1 user. I would not have believed this if I didn't try it myself. Here's the scoop; a one minute UHD - 4K, 23.98 file, converted to ProRes 422 LT., this on a 2009 iMAC, 2.8GHz- i7, 16 GB RAM. Transcode time; 3 minutes - 51 seconds @2.71GB output file. I don't know about your experience with this file, but that is 3-1/2 times faster than iFFMPEG. The file looks clean to my eye, as clean as anything from any other transcoder.
The latest iFFmpeg 5.4 version has about the fastest ProRes encoding. A movie that previously took 60minutes, now encodes is less then 10 minutes.
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Does anyone know if there is a big difference between IFFMPEG and Rocky Mountains Movie Converter in quality when transcoding. I did a bunch of files this weekend and RMM was much faster then IFFMPEG and I did not see much difference in the quality of the video.
Did you try iFFmpeg 5.4 yet? Encoding to ProRes is way faster now. In fact, a lot faster then any other converter I tried.
Also make sure you have ffmpeg 2.6 - it has much improved h265 encoding regarding speed.
NX1 workflow with iFFmpeg 5.4
In: Cameras
Posted
Why not ask the iFFmpeg people? The helpdesk is extremely fast