Tuesday, November 17, 2015

Re: [Avid-L2] Adobe Media Encoder Interpretation of Avid H_264 anamorphic .mov?

 

I would be surprised if anyone goes about things the (ahem) unique way that you do. Exporting an H.264 from Avid and then recompressing it with Media Encoder? Seems a bit much to me. I can't comment on the workflow because maybe there's some info that you missed putting in (like "why"). You should be able to get what you want from either Avid or Media Encoder - no need to do it twice.

That said, the "anamorphic" flag (or display aspect / aperture) is a QuickTime metadata item, and I'm sure Media Encoder isn't required to care about that sort of thing. Pixels to pixels - you should be able to sort it out with the raster and crop controls in Media Encoder in order to get what you want. Not sure why you would bother with anamorphic H.264 anyway - just encode straight square pixels with 1:1 display aspect ratio.

On Tue, Nov 17, 2015 at 11:49 PM, John Moore bigfish@pacbell.net [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 

Using Adobe Media Encoder to take a 23.976 H_264 exported from Avid with the NTSC 16x9 size setting that makes a 720x486 .mov that knows to display as 864x486 in QT player.  I'm finding when that file is uses as the source file in AME to add pulldown the resulting file has black pillar boxes on the sides.  It's like AME sees the file as really being 864x486 but the there is no video beyond the actual 720x486 video essence.  Does this make any sense?  In QT 7 the file displays fine with no borders.  The resulting file doesn't seem completely whacked in aspect ratio but it might be a bit tall and skinny ignoring the side Pillar bars. 

When I open up the export settings I don't see the black wings but I do in the encode window and in the resulting file.  Perhaps I need to just export a non anamorphic file and then tell AME to make it 864x486 or would it be 864x480?  Oh well curious if anyone else has figured this aspect of AME out.
 
John Moore Barking Trout Productions Studio City, CA bigfish@pacbell.net


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Posted by: Mark Spano <cutandcover@gmail.com>
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this is the Avid-L2

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