[vlc-devel] [PATCH] [RFC] chain: YV12 is the preferred I420 variant on Windows

Steve Lhomme robux4 at videolabs.io
Tue Apr 28 16:07:23 CEST 2015


On Tue, Apr 28, 2015 at 4:04 PM, Rémi Denis-Courmont <remi at remlab.net> wrote:
> Le 2015-04-28 16:57, Steve Lhomme a écrit :
>>
>> --
>> if I420 is a candidate for a chroma chain on windows, YV12 should be
>> tried too
>
>
> Adding YV12 here provides absolutely zero value. If you have a decoder or an
> video output requiring YV12, it can always pretend to be I420 and swap the
> picture plane pointers. We already have examples of that.

Yeah I just thought about that after sending the patch. I should be
able to do that in my filter.

> Adding YV12 just makes chain probing even slower than it already is.


OK



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