On Fri, Nov 27, 2020 at 7:58 AM Fabio Estevam <festevam@xxxxxxxxx> wrote: > > Hi Nicolas, > > On Thu, Nov 26, 2020 at 3:25 PM Nicolas Dufresne <nicolas@xxxxxxxxxxxx> wrote: > > > I support kmssink ask for progressive frames, while v4l2src can only produce > > interlaced. There is likely something to improve there, but meanwhile, consider > > usign deinterlace element. > > Thanks for your feedback. I am configuring the links like this now: > > media-ctl -l "'adv7180 0-0020':0 -> 'ipu1_csi1_mux':4[1]" > media-ctl -l "'ipu1_csi1_mux':5 -> 'ipu1_csi1':0[1]" > media-ctl -l "'ipu1_csi1':1 -> 'ipu1_vdic':0[1]" > media-ctl -l "'ipu1_vdic':2 -> 'ipu1_ic_prp':0[1]" > media-ctl -l "'ipu1_ic_prp':2 -> 'ipu1_ic_prpvf':0[1]" > media-ctl -l "'ipu1_ic_prpvf':1 -> 'ipu1_ic_prpvf capture':0[1]" > media-ctl -V "'adv7180 0-0020':0 [fmt:UYVY2X8/640x480 field:seq-tb]" > media-ctl -V "'ipu1_csi1_mux':5 [fmt:UYVY2X8/640x480]" > media-ctl -V "'ipu1_csi1':1 [fmt:AYUV32/640x480]" > media-ctl -V "'ipu1_vdic':2 [fmt:AYUV32/640x480 field:none]" > media-ctl -V "'ipu1_ic_prp':2 [fmt:AYUV32/640x480 field:none]" > media-ctl -V "'ipu1_ic_prpvf':1 [fmt:AYUV32/640x480 field:none]" > v4l2-ctl -d2 --set-fmt-video=field=none > > gst-launch-1.0 v4l2src device=/dev/video2 ! kmssink: > > And the Gstreamer pipeline works now. > Fabio, I wanted to take a look at this as you are using an adv7280 with the adv7180 driver and I previously had found using the adv7280 on an imx6q/dl there was a difference in the output format for the adv7280 that caused an issue with the imx6 format [1]. I have also still have to patch imx-media-csi.c to skip the first few frames in order to sync properly on bt656 sources [2]. Did you have any patches in the imx-media or adv7180 drivers to deal with these issues I run into? Best Regards, Tim [1] - https://patchwork.kernel.org/project/linux-media/patch/20190827215539.1286-1-mmichilot@xxxxxxxxxxxxx [2] - https://github.com/Gateworks/linux-imx6/commit/959fbd4
