官方默认程序camera_capture_test.cc运行失败求助

ubuntu

参考官方文档Rockchip_Instruction_Linux_Application_ISP20_CN.pdf 2.1节。
成功build 如下程序push 后
external/rkmedia/examples/unitTest/stream/camera_capture_test.cc
执行如下程序失败， video19 在我设备上是isppscale0， 执行过程如下， 会产生一个size为0的out.yuv

1. <div class="blockcode"><blockquote>[root@RV1126_RV1109:/oem/usr/bin]# camera_cap_test -i /dev/video19 -o /tmp/outpu
   
2. t.yuv -w 1920 -h 1080 -f image:yuyv422
   
3. origin media get entity by name: rkcif-lvds-subdev is null
   
4. origin media get entity by name: rkcif-lite-lvds-subdev is null
   
5. origin media get entity by name: rkisp-mpfbc-subdev is null
   
6. origin media get entity by name: rkisp_dmapath is null
   
7. [wotianjiade] origin media get entity by name: rockchip-mipi-dphy-rx is null
   
8. Rga built version:1.04 9286b22+2021-07-21 09:58:28
   
9. input path: /dev/video19
   
10. output file path: /tmp/output.yuv
    
11. input format: image:yuyv422
    
12. output format:
    
13. width, height: 1920, 1080
    
14. 
    
15. Stream:
    
16. alsa_capture_stream alsa_playback_stream drm_output_stream file_read_stream file_write_stream v4l2_capture_stream
    
17. 
    
18. [RKMEDIA][SYS][Info]:RKAIQ: parsing /dev/media0
    
19. [wotianjiade] origin media get entity by name: rkcif-lvds-subdev is null
    
20. [wotianjiade] origin media get entity by name: rkcif-lite-lvds-subdev is null
    
21. [RKMEDIA][SYS][Info]:RKAIQ: parsing /dev/media1
    
22. [wotianjiade] origin media get entity by name: rkisp-mpfbc-subdev is null
    
23. [wotianjiade] origin media get entity by name: rkisp_dmapath is null
    
24. [wotianjiade] origin media get entity by name: rockchip-mipi-dphy-rx is null
    
25. [RKMEDIA][SYS][Info]:RKAIQ: model(rkisp0): isp_info(0): isp-subdev entity name: /dev/v4l-subdev4
    
26. [RKMEDIA][SYS][Info]:RKAIQ: parsing /dev/media2
    
27. [RKMEDIA][SYS][Info]:RKAIQ: model(rkispp0): ispp_info(0): ispp-subdev entity name: /dev/v4l-subdev0
    
28. [RKMEDIA][SYS][Info]:#V4l2Stream: camraID:0, Device:/dev/video19
    
29. [RKMEDIA][SYS][Info]:#V4l2Stream: camera id:0, VideoNode:/dev/video19
    
30. Using mplane plugin for capture
    
31. [RKMEDIA][SYS][Info]:#V4L2Ctx: open /dev/video19, fd 5
    
32. [RKMEDIA][SYS][Info]:Opened DRM device /dev/dri/card0: driver rockchip version 2.0.0.

复制代码

板蓝根

cd /oem;./RkLunch-stop.sh 之后再运行看看效果