Changes between Version 2 and Version 3 of Ticket #9132, comment 25


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Timestamp:
Nov 15, 2021, 10:16:17 AM (5 years ago)
Author:
Balling

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  • Ticket #9132, comment 25

    v2 v3  
    11Okay, interesting moment here is that RGB jpegs produce chroma 1 (JPEG's center) with x265 yuv420p which I think cannot be true.
    22
    3 It looks like mpv does properly support hevc chroma 1 type and type 0 as I checked by doinb -c copy.
     3It looks like mpv does properly support hevc chroma 1 type and type 0 as I checked by doing -c copy.
    44
    55RGB matrix from YCbCr is indeed working now. Unspecified of course still needs to be fixed from RGB to YCBCR. swscale defaults to BT.601 so may be there would have been more point to write BT.601 instead of unspecified. Unfortunately, since YCbCr matrix is not one (there is 601, 709, smpte 240M and 2020 matrices and that is not talking about Chromaticity-derived non-constant luminance system, that is type 12, where you get matrix from looking into what primaries are set too) and the value is not propogatings in swscale, it has to be set by hand still even now. Oogh.