<div dir="ltr">On Wed, Jan 28, 2015 at 1:05 PM, Rémi Denis-Courmont <span dir="ltr"><<a href="mailto:remi@remlab.net" target="_blank">remi@remlab.net</a>></span> wrote:<br><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Le mercredi 28 janvier 2015, 12:47:20 Tristan Matthews a écrit :<br>
<span class="">> > This weird packing really is not I420... IMHO, there should be a separate<br>
> > FOURCC and an encoder to convert to it.<br>
><br>
> Hmm, I was planning to later add 4:4:4, 4:2:2 and 4:1:1 that according the<br>
> RFC, must also be packed in this "interleaved" manner. This would mean<br>
> adding a new fourcc+encoder for each of these as well?<br>
<br>
</span>The loop above is intrinsically 4:2:0...<br></blockquote><div><br>Yes<br> <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
4:4:4, 4:2:2 and 4:1:1 do not subsample vertically anyway. What do you even<br>
mean?<br></blockquote><div><br></div><div>That for the purposes of this RFC, they are packed atypically (e.g., 4:4:4 is packed in pixel groups of Cb-Y-Cr), so my question was, if I420 in this context needs its own separate encoder+fourcc, should each of these have their own as well since they also use "weird packing"?<br><br></div><div>Best,<br>Tristan<br></div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div class=""><div class="h5"><br>
--<br>
Rémi Denis-Courmont<br>
<a href="http://www.remlab.net/" target="_blank">http://www.remlab.net/</a><br>
<br>
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