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Old 18th November 2013, 22:43   #1  |  Link
syrist
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x264 parameters for encoding 3D half-SBS/OU

Does anybody have any good x264 parameter suggestions when encoding a 3D source to 1080p half-SBS or half-OU?

I just wasn't sure if there's ideal parameters for 3D encoding since I'm assuming any slight difference in artifacts between the left and right eyes (when combined and viewed in 3D) would be very noticeable.

Currently, I'm using these parameters which give me really good results but take a very long time (11 fps on an Intel Core i7-3930K PC):

--crf 18 --tune film --ref 4 --me umh --direct auto --deblock -3:-3 --bframes 6 --subme 10 --trellis 2 --merange 32 --open-gop

Any feedback or suggestions?

-Pete

Last edited by syrist; 18th November 2013 at 22:44. Reason: typo
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Old 18th November 2013, 23:04   #2  |  Link
LoRd_MuldeR
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I think the same recommendation as always applies:

1. Pick the suitable "--tune" option (i.e. "film" or "animation") for your type of source
2. Pick the slowest "--preset" option that you are willing to accept
3. Do not manually overwrite any other options, unless you have a very good reason

So you can pretty much reduce your command-line to:
Code:
--crf 18 --tune film --preset veryslow
Only special option that needs to be added for stereoscopic ("3D") video should be the correct "--frame-packing" mode. Pick the mode according to your type of input.
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Last edited by LoRd_MuldeR; 18th November 2013 at 23:47.
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