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Changes between Version 1 and Version 2 of Ticket #1438, comment 3


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Timestamp:
02/06/18 13:03:41 (3 years ago)
Author:
Antoine Martin
Comment:

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  • Ticket #1438, comment 3

    v1 v2  
    1 jpeg uses BT.601, but using full range values. Y, Cb and Cr all use the full range of 0-255, with 128 being "0" for Cb and Cr: [https://mechaweaponsvidya.wordpress.com/2015/05/03/full-range-ycbcr-in-jpeg/ Full-range Y’CbCr in JPEG]: ''If you are ever concerned about correctness, the easiest way is to simply never think about full-range Y’CbCr''
     1jpeg uses BT.601, but using full range values. Y, Cb and Cr all use the full range of 0-255, with 128 being "0" for Cb and Cr: [https://mechaweaponsvidya.wordpress.com/2015/05/03/full-range-ycbcr-in-jpeg/ Full-range Y’CbCr in JPEG]: ''If you are ever concerned about correctness, the easiest way is to simply never think about full-range {{{Y’Cb'Cr'}}}''
    22
    33So we'll need to use a different shader for those frames, and a new flag of some sort.