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imx6q v4l2 open overlay and capture ERROR: v4l2 capture: mxc_v4l_dqueue timeout enc_counter 0

Question asked by Navy Liang on Aug 17, 2016
Latest reply on Aug 22, 2016 by Navy Liang

Hello all,

I would like to use imx6q IPU open overlay  function, and V4L2 capture in the same time.


but  overlay normal display, v4l2 capture fuction :ioctl(fd_v4l, VIDIOC_DQBUF, &queue_buf))error:



v4l2 capture: mxc_v4l_dqueue ERROR: timeout enc_counter 0.


How to solve it?


In addition,  can use the mxc_v4l2_test example to solve  v4l2 get frame buffer and ipu overlay display?