Re: [Avid-L2] Panasonic Varicam 35 AVC-Intra Native to Avid?

Okay so it sounds like I am correct that the Panasonic Varicam 35 media is AVC-Intra, all contained in a single frame not long GOP, whereas XAVC is long GOP.  So my main question still stands.  When I go to do a video mixdown I don't see a choice to mixdown to AVC-Intra only XAVC at 320mbs or 480mbs.  I would think if Avid can consolidate the Panasonic Media with handles then it would be considered a native codec to Avid.  So why don't I see it as a choice for a video mixdown?  Am I missing something?

My curiosity is wouldn't it be cleaner to mixdown to the same codec that the source material is to avoid some sort of recompression?  The fact that I've done symphony color correction and the media is no longer just the OCN media might factor in.  Would Avid's internal workings convert the AVC-Intra to baseband or something to process the color correction element and then convert that to whatever the render/mixdown codec is?





On Thu, Apr 30, 2020 at 09:52 AM, Mark Spano wrote:

Guys, really? AVC-Intra is not Long-GOP, it's intraframe compression. AVCHD is Long-GOP, you might have been thinking of that.

On Thu, Apr 30, 2020 at 11:07 AM JBeck <jb30343@windstream.net> wrote:

Wilson, I was trying to be generous but, yes.  JB 

 

On Apr 30, 2020, at 9:34 AM, wilsonchao <wilsonchao@gmail.com> wrote:

Marcel,

 

     When JB wrote that "intra" is a "marketing term", I believe he is meant that the term is a contradiction or a falsehood, since "long GOP" necessarily means it's actually interframe, not intraframe.

 

Wilson

 

On Thu, Apr 30, 2020 at 10:00 AM Marcel B. <bncrcaxlr@gmail.com> wrote:

intraframe means that all the coding is done within the frame as oppose
to interframe where the coding is done by calculating predictions values
base on already coded other pixels.

On 30/04/2020 09:45, JBeck wrote:
> Going completely from memory so I’m likely wrong but I think AVC-Intra
> is also long GOP. The “intra” is a marketing term. JB
>
>

 

 

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