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YUV wrapped in MXF

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raman

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Joined: Wed Feb 28, 2007 7:56 am
Posts: 7

Posted: Wed Mar 23, 2011 5:34 am

How can we find out of the YUV format of the YUV pictures wrapped in MXF i.e is the sample order UYVY etc ?

Matt Beard

Insider

Joined: Thu Apr 15, 2004 10:39 am
Posts: 198
Location: Scotland

Posted: Wed Mar 23, 2011 10:39 am

This should be specified in the PixelLayout property of the essence descriptor.

raman

Board User

Joined: Wed Feb 28, 2007 7:56 am
Posts: 7

Posted: Mon Mar 28, 2011 10:29 am

Matt,

Pixel layout is a property of the RBGA descriptor, in case the file has uncompressed YUV pictures and the descriptor used is CDCI, the Pixel Layout information will not be available.

Here I am assuming that Uncompressed RGB pictures will have RGB descriptor and the Uncompressed YUV pictures will have CDCI descriptor.

Matt Beard

Insider

Joined: Thu Apr 15, 2004 10:39 am
Posts: 198
Location: Scotland

Posted: Mon Apr 18, 2011 12:15 pm

Good point - for uncompressed images with 4:2:2 sampling the CDCI Descriptor may be used, in which case the samples should be as per ITU Rec 601.

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