X264 profile - trying to use Fabio Sonatti's settings

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X264 profile - trying to use Fabio Sonatti's settings

Postby Entity » Tue Feb 26, 2008 10:03 am

Hey guys,

I was checking out a link on Flashguru with some pretty amazing x264/h264 settings that Fabio Sonatti came up with:

(The link to the Sigur Ros video done in 500kbs is pretty impressive)

Anyway, I'm trying to figure out how to get these settings in his ffmpeg script to transfer over to a MediaCoder profile, but I can't seem to get the encoding to not end up looking pretty crappy. Was wondering if anyone would be willing to help on this...the settings are incredibly impressive but unfortunately I'm not as good with the commandline as I'd like to be.

Rob
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Re: X264 profile - trying to use Fabio Sonatti's settings

Postby Entity » Tue Feb 26, 2008 10:04 am

Gaz
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Postby Gaz » Tue Feb 26, 2008 10:37 am

B!ink
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Postby B!ink » Thu Feb 28, 2008 7:51 am

Impressive.

http://www.progettosinergia.com/flashvi ... eoblog.htm

This person mentions some of the specs.
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Postby B!ink » Thu Feb 28, 2008 8:44 am

I managed to get a hold of the video (don't ask me how). I'm going to analyze the video and see what else I can come up with.
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Fabio Sonatti's Profile (Updated)

Postby B!ink » Thu Feb 28, 2008 2:21 pm

Last edited by B!ink on Sun Aug 24, 2008 9:17 am, edited 5 times in total.
Cruz
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Postby Cruz » Thu Apr 10, 2008 1:45 pm

User avatar
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Postby SirAuron » Fri Apr 11, 2008 11:07 pm

Now that was an impressing video (and I think it's perfectly legal to get the video, says nowhere you shouldn't)!

I will most likely adopt some of those settings. Are they suitable for 800 kb/s (or higher), too?

Since I will be mostly using this for low definition clips a final question. What does Level of Bitstream do? Do I have to set this to a lower value (like the default 40) when I transcode low resolution stuff?


Edit: He also uploaded a 720P clip of heroes. Quite brilliant.

http://3172.voxcdn.com/DEMO720-Heroes500.html
MediaCoder settings:

x264 (backend/source: mencoder, fps: 23,976, Fabio Sonatti's settings) + nero aac 64 in matroska
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Postby Cruz » Fri Apr 11, 2008 11:54 pm

Yes i watched 3 clips in total all were very good.

I attmpted a transcode with the settings in the post above at 800 bit rate but with only 2 pass as a test.

This was on an AVI 700mb file, turned out pretty bad quality compared to what i have been producing with H.264 on standard settings, however i will be testing alot more and good luck to your efforts.
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Postby Entity » Fri Apr 18, 2008 8:18 pm

I've been trying to work with these settings, but no matter what (I've tried reinstalling and a bunch of other things), the transcoding process always fails when I try to use the HE-AAC V2 Profile. Using HE-AAC seems to work fine. Anyone have any idea what might cause this? (By the process failing, I mean that it reports that the decoding thread may be blocked and the transcode has stalled).

Using the latest version. When I press F6 to see the console, it's clearly Nero's encoder where it is stalling. Tried downloading Nero's encoder separately but got the same issues with a new EXE.

Rob

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