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Export: H.264 X264 FLV

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Maxime Belisle
Export: H.264 X264 FLV
on Sep 21, 2010 at 4:24:59 pm

Hi,

I must have read 100 million pages about the Gamma Shift in FCP and QuickTime exports.

I have found that s solution that worked well was to use the replacement codecs X264 and X264Encoder.

These codecs have served me well but I have a new problem now.

I need to supply Flash video (FLV, F4V) to a client.

Whenever I use Adobe Media encoder to create my Flash files, the Gamma Shift problem reoccurs.

I have tried trial versions of Squeeze and Episode and still have this problem.

My question is: has anybody ever created a Flash video that did dont have the Gamma Shift problem and if yes, how the heck did you do it?

Maxime BĂ©lisle


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John Fishback
Re: Export: H.264 X264 FLV
on Sep 21, 2010 at 4:37:40 pm

As Flash player works with H.264 files you can encode an H.264 then change the .mov extension to .flv. That might work for you.

John

MacPro 8-core 2.8GHz 8 GB RAM OS 10.5.8 QT7.6.4 Kona 3 Dual Cinema 23 ATI Radeon HD 3870, 24" TV-Logic Monitor, ATTO ExpressSAS R380 RAID Adapter, PDE enclosure with 8-drive 6TB RAID 5
FCS 3 (FCP 7.0.3, Motion 4.0.3, Comp 3.5.3, DVDSP 4.2.2, Color 1.5.3)

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Maxime Belisle
Re: Export: H.264 X264 FLV
on Sep 21, 2010 at 4:49:04 pm

Hi John,

Thanks a lot for the quick response.

I have already tried this solution which works only partially for me.

Let me explain:

I have to publish my videos on a "on demand" server and this "on demand server" crashes systematically with those "fake FLV files".

That's why I'm trying to export a real FLV file that does not contain the Gamma shift.

Would you know how to do that?

Maxime


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John Fishback
Re: Export: H.264 X264 FLV
on Sep 21, 2010 at 6:41:57 pm

My flv workflow is to Export a self-contained QuickTime Using Current Settings and then use Soronson Squeeze with the On2VP6 codec. It's worked well for me without dramatic gamma shifts. The have a trial version.

John

MacPro 8-core 2.8GHz 8 GB RAM OS 10.5.8 QT7.6.4 Kona 3 Dual Cinema 23 ATI Radeon HD 3870, 24" TV-Logic Monitor, ATTO ExpressSAS R380 RAID Adapter, PDE enclosure with 8-drive 6TB RAID 5
FCS 3 (FCP 7.0.3, Motion 4.0.3, Comp 3.5.3, DVDSP 4.2.2, Color 1.5.3)

Pro Tools HD w SYNC IO & 192 Digital I/O, Yamaha DM1000, Millennia Media HV-3C, Neumann U87, Schoeps Mk41 mics, Genelec Monitors, PrimaLT ISDN


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Dennis Radeke
Re: Export: H.264 X264 FLV
on Sep 22, 2010 at 1:14:05 am

One thing you could do is apply a gamma shift effect to compensate for the output.

You could export your timeline as a clip or as XML and bring it into Premiere Pro. Then apply a Gamma Correction clip. I'm hearing that a 1.2 of the original will probably work well. So, a value of 12 from the default value of 10 would be a good place to start.

Then export the media via AME and render to Flash.

Hope this helps,
Dennis


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