Re: i.MX6Q LVDS colors wrong when HDMI connected when V4L2 Streaming with KMSSINK

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On Mon, Oct 28, 2019 at 2:12 PM Adam Ford <aford173@xxxxxxxxx> wrote:
>
> I have an i.MX6Q with an OV5640 camera connected via CSI-2.
>
> I can stream live video to LVDS just fine when HDMI is NOT connected
> with G-Streamer and kmssink.  However, when HDMI is connected, I can
> stream just fine to the HDMI, but when I try to stream to the LVDS
> using KMSSINK, the colors are wrong.
>
> If I use fbdev instead of kmssink, the colors are correct, but I would
> prefer to use KMSSINK.
>
> I have tried using v4l2convert to change the format, but I keep
> getting errors that the format I try is not supported.
>
> Might someone have any suggestions on how to stream to both HDMI and
> LVDS without having the wrong color on the LVDS?
>
>
> # display on hdmi
> gst-launch-1.0 -v v4l2src ! kmssink name=imx-drm connector-id=54 sync=0
>
> # display on LVDS
> gst-launch-1.0 -v v4l2src ! kmssink name=imx-drm connector-id=56 sync=0
>
>
I should have noted that if I stream to fbdevsink, the colors are
correct on both screens simultaneously.

> thanks,
>
> adam



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