[Libav-user] Packed variant of PIX_FMT_YUV420P
Carl Eugen Hoyos
cehoyos at ag.or.at
Sat Apr 25 00:01:41 CEST 2015
Nisar Ahmed <nisar.med at ...> writes:
> I am demuxing and decoding a quicktime movie file using
> libav, the decoder always produces a frame in YUV420P,
> this frame has to go to the DeckLink's frame buffer
> which expects the format to be YUYV422.
So you are not searching for a packed variant of yuv420p,
thank you for clarifying.
> Now I need to convert to the desired pix format for
> which I am using sws_scale.
This is normal / unavoidable and should be fast.
> I was wondering whether is it possible to tell the
> decoder to decode in YUYV422 to save an additional
> conversion step?
This would be slow.
(At least not faster.)
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