[FFmpeg-devel] [PATCH] avcodec: add Actimagine VX video decoder

Lynne dev at lynne.ee
Tue Mar 16 00:02:44 EET 2021


Mar 15, 2021, 22:54 by fnouwt2 at gmail.com:

> Now that I think about it, it might not be possible to an accurate
> straightforward conversion to regular yuv because of the subsampling. The u
> and v cannot just linearly be scaled to line up with the required values
> for regular yuv. That would mean the output would have to be in rgb format.
> It wouldn't really be an issue, but not the most elegant solution. Wouldn't
> it be possible to support these alternative coefficients in libswscale or
> so? I suppose that would still give issues with applications that have
> their own conversion algorithms.
>

Sure, but none of us really want to dive into libswscale.
I don't see how subsampling would be an issue, as long as the same
subsampling is used, it should be fine, shouldn't it?


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