Re: MT9M131 on I.MX6DL CSI color issue

Nicolas Dufresne
2018-01-12T14:59:37Z

Le vendredi 12 janvier 2018 à 10:58 +0100, Anatolij Gustschin a écrit :
> On Fri, 12 Jan 2018 01:16:03 +0100
> Florian Boor florian.boor@kernelconcepts.de wrote:
> ...
> > Basically it works pretty well apart from the really strange
> > colors. I guess its
> > some YUV vs. RGB issue or similar. Here [1] is an example generated
> > with the
> > following command.
> >
> > gst-launch v4l2src device=/dev/video4 num-buffers=1 ! jpegenc !
> > filesink
> > location=capture1.jpeg
> >
> > Apart from the colors everything is fine.
> > I'm pretty sure I have not seen such an effect before - what might
> > be wrong here?
>
> You need conversion to RGB before JPEG encoding. Try with
>
> gst-launch v4l2src device=/dev/video4 num-buffers=1 ! \
> videoparse format=5 width=1280 height=1024 framerate=25/1
> ! \
> jpegenc ! filesink location=capture1.jpeg
>
> For "format" codes see gst-inspect-1.0 videoparse.

A properly written driver should never permit this.

Nicolas