imx8mm mipi CSI PAL not working

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imx8mm mipi CSI PAL not working

Contributor II


We are trying to input PAL 720*576 with the mipi. we have changed the ov5640_mipi_v2.c driver to support the PAL resolution and interlaced (V4L2_FIELD_INTERLACED). we are generating the video but get Start Frame and End Frame errors. When configuring the driver to run progressive we see the two frames one above the other.

we have added the embedded sync (according to the manual) to the Frame but still with out success (same errors)

has someone had any success with running interlaced PAL over mipi and could help us understand our mistake.

gstreamer command :

gst-launch-1.0 -vvv v4l2src ! video/x-raw, width=720,height=576,framerate=25/1 ! waylandsink

output :

/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = video/x-raw, width=(int)720, height=(int)576, framerate=(fraction)25/1, format=(string)YUY2, pixel-aspect-ratio=(fraction)1/1, colorimetry=(string)bt709, interlace-mode=(string)interleaved


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