[vlc-devel] [PATCH] rtp: implement raw video packetization (RFC 4175)
le.businessman at gmail.com
Wed Jan 28 19:17:35 CET 2015
On Wed, Jan 28, 2015 at 1:05 PM, Rémi Denis-Courmont <remi at remlab.net>
> Le mercredi 28 janvier 2015, 12:47:20 Tristan Matthews a écrit :
> > > This weird packing really is not I420... IMHO, there should be a
> > > FOURCC and an encoder to convert to it.
> > Hmm, I was planning to later add 4:4:4, 4:2:2 and 4:1:1 that according
> > RFC, must also be packed in this "interleaved" manner. This would mean
> > adding a new fourcc+encoder for each of these as well?
> The loop above is intrinsically 4:2:0...
> 4:4:4, 4:2:2 and 4:1:1 do not subsample vertically anyway. What do you even
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"?
> Rémi Denis-Courmont
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