易百纳 rv1126-38板，运行collect_vi_stream获取vi模块yuv数据，提示rkispp_scale0 buffer被占用，能否帮忙查看一下。

错误日志如下：
[root@RV1126_RV1109:/oem]# ./rv1126_vi_stream
media get entity by name: rkcif-lvds-subdev is null
media get entity by name: rkcif-lite-lvds-subdev is null
media get entity by name: rkisp-mpfbc-subdev is null
media get entity by name: rkisp_dmapath is null
media get entity by name: rockchip-mipi-dphy-rx is null
Rga built version:1.04 +2022-07-26 19:00:37
Create VI Success…
[RKMEDIA][SYS][Info]:RK_MPI_VI_EnableChn: Enable VI[0:0]:rkispp_scale0, 1920x1080 Start…
[RKMEDIA][SYS][Info]:RKAIQ: parsing /dev/media0
[RKMEDIA][SYS][Info]:RKAIQ: parsing /dev/media1
media get entity by name: rkisp-mpfbc-subdev is null
media get entity by name: rkisp_dmapath is null
media get entity by name: rockchip-mipi-dphy-rx is null
[RKMEDIA][SYS][Info]:RKAIQ: model(rkisp0): isp_info(0): isp-subdev entity name: /dev/v4l-subdev3
[RKMEDIA][SYS][Info]:RKAIQ: parsing /dev/media2
[RKMEDIA][SYS][Info]:RKAIQ: model(rkispp0): ispp_info(0): ispp-subdev entity name: /dev/v4l-subdev0
[RKMEDIA][SYS][Info]:#V4l2Stream: camraID:0, Device:rkispp_scale0
[RKMEDIA][SYS][Warn]:camera_id: 0, chn: rkispp_scale0
[RKMEDIA][SYS][Info]:#V4l2Stream: camera id:0, VideoNode:
[RKMEDIA][SYS][Error]:V4L2-CTX: open failed No such file or directory
[RKMEDIA][VI][Info]:Create stream v4l2_capture_stream failed
[RKMEDIA][VI][Info]:#SourceStreamFlow[]: stream off….
[RKMEDIA][VI][Info]:#SourceStreamFlow[]: read thread exit sucessfully!
[RKMEDIA][VI][Info]:#SourceStreamFlow[]: stream reset sucessfully!
[RKMEDIA][SYS][Warn]:VI[0]:”rkispp_scale0” buffer may be occupied by other modules or apps, try again…
[RKMEDIA][SYS][Info]:RKAIQ: parsing /dev/media0
[RKMEDIA][SYS][Info]:RKAIQ: parsing /dev/media1
media get entity by name: rkisp-mpfbc-subdev is null
media get entity by name: rkisp_dmapath is null
media get entity by name: rockchip-mipi-dphy-rx is null
[RKMEDIA][SYS][Info]:RKAIQ: model(rkisp0): isp_info(0): isp-subdev entity name: /dev/v4l-subdev3
[RKMEDIA][SYS][Info]:RKAIQ: parsing /dev/media2
[RKMEDIA][SYS][Info]:RKAIQ: model(rkispp0): ispp_info(0): ispp-subdev entity name: /dev/v4l-subdev0
[RKMEDIA][SYS][Info]:#V4l2Stream: camraID:0, Device:rkispp_scale0
[RKMEDIA][SYS][Warn]:camera_id: 0, chn: rkispp_scale0
[RKMEDIA][SYS][Info]:#V4l2Stream: camera id:0, VideoNode:
[RKMEDIA][SYS][Error]:V4L2-CTX: open failed No such file or directory
[RKMEDIA][VI][Info]:Create stream v4l2_capture_stream failed
[RKMEDIA][VI][Info]:#SourceStreamFlow[]: stream off….
[RKMEDIA][VI][Info]:#SourceStreamFlow[]: read thread exit sucessfully!
[RKMEDIA][VI][Info]:#SourceStreamFlow[]: stream reset sucessfully!
[RKMEDIA][SYS][Warn]:VI[0]:”rkispp_scale0” buffer may be occupied by other modules or apps, try again…
[RKMEDIA][SYS][Info]:RKAIQ: parsing /dev/media0
[RKMEDIA][SYS][Info]:RKAIQ: parsing /dev/media1
media get entity by name: rkisp-mpfbc-subdev is null
media get entity by name: rkisp_dmapath is null
media get entity by name: rockchip-mipi-dphy-rx is null
[RKMEDIA][SYS][Info]:RKAIQ: model(rkisp0): isp_info(0): isp-subdev entity name: /dev/v4l-subdev3
[RKMEDIA][SYS][Info]:RKAIQ: parsing /dev/media2
[RKMEDIA][SYS][Info]:RKAIQ: model(rkispp0): ispp_info(0): ispp-subdev entity name: /dev/v4l-subdev0
[RKMEDIA][SYS][Info]:#V4l2Stream: camraID:0, Device:rkispp_scale0
[RKMEDIA][SYS][Warn]:camera_id: 0, chn: rkispp_scale0
[RKMEDIA][SYS][Info]:#V4l2Stream: camera id:0, VideoNode:
[RKMEDIA][SYS][Error]:V4L2-CTX: open failed No such file or directory
[RKMEDIA][VI][Info]:Create stream v4l2_capture_stream failed
[RKMEDIA][VI][Info]:#SourceStreamFlow[]: stream off….
[RKMEDIA][VI][Info]:#SourceStreamFlow[]: read thread exit sucessfully!
[RKMEDIA][VI][Info]:#SourceStreamFlow[]: stream reset sucessfully!
[RKMEDIA][SYS][Warn]:VI[0]:”rkispp_scale0” buffer may be occupied by other modules or apps, try again…
Enable VI Failed…
[root@RV1126_RV1109:/oem]# pwd
/oem
[root@RV1126_RV1109:/oem]# ls
RkLunch-stop.sh rv1126_vi_stream sysconfig-4K.db
RkLunch.sh sysconfig-1080P.db usr
etc sysconfig-2K.db www
[root@RV1126_RV1109:/oem]#

代码如下：