topic Re: imx6D, android V4L2 in i.MX Processors

imx6D, android V4L2

1019599657 — Thu, 25 Jul 2019 09:48:02 GMT

Hi,

I use imx6D to read V4L2. I set YUYV and 720*480，open（video0). I can get the image ,however, i get some error image ,like this:

Why the image like this? Can you give me some help?

Thanks!

Re: imx6D, android V4L2

igorpadykov — Thu, 25 Jul 2019 23:17:13 GMT

Hi Li

one can try to adjust sensor timings, better use for that v4l2 unit test and

documentation on below link

mxc_v4l2_test\test - imx-test - i.MX Driver Test Application Software

i.MX Software | NXP

Best regards
igor
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Re: imx6D, android V4L2

1019599657 — Fri, 26 Jul 2019 03:19:42 GMT

Hi , I test it with " mxc-v4l2-tvin -ow 720 -oh 480", it can work ell .. However . i need use it in android. When i do it ,it will work like image above . How can i solve it ?

Thanks very much!

Re: imx6D, android V4L2

igorpadykov — Fri, 26 Jul 2019 07:13:13 GMT

for android one can refer to specific android tutorials like

https://www.linuxtv.org/downloads/presentations/media_summit_2014_DE/android-camera-hal-v3-v4l2.pdf

Best regards
igor