icodec

[Rafael Amador]

INTERMEDIATE CODEC?
Rafael

http://www.nagavideo.com

[Rafael Amador]

Yes, and some times shows as AIC. The “I” could means also “Intraframe”.
I don’t know why but there are differences in the list of codecs available for different applications.
The list that you get in FC is not the same of the one of MPGStreamclip, AE, etc.
Back to the AIC, I think is old fashioned. Apple released it when FC couldn’t manage HDV.
Rafael

http://www.nagavideo.com

[Justin Heaney]

Hi Rafael

Sometimes it reads as ICODEC….sometimes as APPLE INTERMEDIATE
At one point the ICODEC & APPLE INTERMEDIATE codecs both appeared on the list.

And to make it more confusing….ICODEC seemed to appear/overwrite where one of the HDV codecs previously was on the list

confusing

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[Justin Heaney]

Thanks for your help there Rafael

[Jeremy Garchow]

iCodec. As in iMovie? the AIC codec is used in iMovie a lot, isn’t it?

Just a thought.

[Rafael Amador]

The iMovie proprietary format is .DV (DV Stream). DV packaged in a different way.
I guess the AIC is used as a workaround for some HDV-like formats.
I’m lost in the so many camcorders format and I don’t know much how iMovie works today.
Rafael

http://www.nagavideo.com

[Jeremy Garchow]

[Rafael Amador] ” don’t know much how iMovie works today. “

I don’t either. If you are editing Hd in iMovie, I bet it’s not a dv stream, though.

[Rafael Amador]

In the Apple web site they claim iMovie supports “DV, HDV, MPEG-2, MPEG-4 and even AVCHD”.
I’ve been having a look in Google. Everything that you bring to iMovie is converted. I guess to the DV Stream. I think is a format based in the DV compression but that allows working with other resolutions and pixels aspects.
rafael

http://www.nagavideo.com

[Jeremy Garchow]

[Rafael Amador] “Everything that you bring to iMovie is converted. I guess to the DV Stream.”

You think? I think iMovie uses the Apple Intermediate Codec for HD material, not dv.

Not to sound alarms (and also seems unlikely on a Mac) but I also found this:

https://www.bleepingcomputer.com/uninstall/2005/Video-iCodec-3.15.html

[Rafael Amador]

[Jeremy Garchow] “I think iMovie uses the Apple Intermediate Codec for HD material, not dv.”
I think you are right. I haven’t find nowhere saying that iMovie uses the AIC, but in the pdf “Get Started with iMovie” they repeat few times “you will need 40GB of memory per hour of footage when working in HD”. This match (I just made a test) the 85Mbps of the AIC at 1920×1080. For SD, 13GB/hour. Normal DV rate.
Just for curiosity I’ve open the”DV Stream” Options in QT and I found that supports DV, DVCPro and DVCPRO50, and only as PAL or NTSC.
About the “Video-iCodec” hope the “Apple tree” keeps us immune of infections. I really can’t understand
how PC people can stand viruses.
Rafael

http://www.nagavideo.com