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Main@L4 Level encoding in Compressor

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Florian Gintenreiter
Main@L4 Level encoding in Compressor
on Mar 8, 2016 at 2:46:41 pm

How can I make a compressor preset (for using inside of FCPX) that generates an mpg4 file with .mp4 extension and is encoded with Main@L4 level encoding. A client needs that specific level for their intranet.

Inside the mpg4 Vides Settings I find a droptdown "H.264 profile" that lets me select High, Main and Baseline bit nowhere can I find a "Level4" setting.

When I analyse the file using MediaInfo it says Main@L2.1

I have tried using the X.264 encoder and I have found a setting there that says H.264 Level and set ist to "Level 4.0 4SVGA/1080HD@60i30p 20Mbps"

When I analyse this file with MediaInfo I get High@L2.1 still.

With handbrake I can get the desired Level 4, but it would be much more convienient to be able to export straight from FCPX without exporting a ProRes master first.

Thanks for your help.

Florian

________________________________________
Director of Photography, Director, Editor
Vienna, Austria


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Russ Haskell
Re: Main@L4 Level encoding in Compressor
on Mar 8, 2016 at 10:43:56 pm

https://discussions.apple.com/thread/7487300


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Craig Seeman
Re: Main@L4 Level encoding in Compressor
on Mar 9, 2016 at 1:05:39 pm

Chart describing the parameters of Levels (describes max bit rate and frame size).
https://en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Levels

This article with description of Profiles and Levels may help.
http://www.streamingmedia.com/Articles/Editorial/What-Is-.../What-is-H.264-...



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Florian Gintenreiter
Re: Main@L4 Level encoding in Compressor
on Mar 13, 2016 at 5:31:00 pm

Thanks for the info. Interesting, but does not help me much.

________________________________________
Director of Photography, Director, Editor
Vienna, Austria


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Craig Seeman
Re: Main@L4 Level encoding in Compressor
on Mar 13, 2016 at 6:42:46 pm

It explains why an encoder chooses a level and what you can do to influence that.



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