imx6q video display problem

[lampo]

Hello,  I want to preview my video on HDMI LCD,   my cmos sensor is 8 bit grayscale, 752x480.  and I tested it with mxc_v4l2_overlay.c  from imx_test package.  

I find the image show in LCD  in not the same as the sensor output,  i.e. smaller , copied to 16 same images,   green background!   (see the attachment)

I want to know if  grayscale image direct preview is supported by imx6q?   if yes, how should I modified the driver(I have modified the driver for capture grayscale sensor image, but not for preview)?

or do I have to first  capture it to mem,then output to LCD (mxc_v4l2_output.c)?

thanks a  lot !

[joanxie]

I have a sample code for jpeg camera sensor, this is for 8bit grayscale, but Im not sure if I can uploade here, you can create a ticket, then I send to you.

https://community.nxp.com/docs/DOC-329745

[lampo]

thanks a lot, Joan.  Could you please send to  guanlinbo@gzrobot.com ?    really appreciated!

[lampo]

Does anyone know how to modify mxc_v4l2_output.c  to display gray image on LCD?   thanks a lot.