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imx6q camera 摄像头图像上下两层

Question asked by jianxin wu on Sep 4, 2019
Latest reply on Sep 9, 2019 by Joan Xie

sensor  -> tw9992(video decoder) -> MIPI CSI2 -> IPU

使用mxc-v4l2-overlay测试(直接运行命令无参数):

 

 

能看到在上下出现两幅一样的图像,并且有个现象是红色变成蓝色,蓝色变成红色,

 

命令执行log如下:

 

root@sabresd_6dq:/ # mxc-v4l2-overlay
g_display_width = 240, g_display_height = 320
g_display_top = 0, g_display_left = 0
sensor chip is tw9992_mipi
sensor supported frame size:
720x480
720x576
sensor frame format: UYVY
sensor frame format: UYVY
frame_rate is 30

frame buffer width 1920, height 720, bytesperline 7680

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