5333
- 收藏
- 点赞
- 分享
- 举报
Hi3536 QT QScreenLinuxFb::connect: Operation not permitted
大家好,
Hi3536在fb1上运行QT程序, vo设置成 SAMPLE_VO_DEV_DHD1 VO_INTF_BT1120,可以正常输出
QT的环境变量设置为 export QT_QWS_DISPLAY=linuxFB:/dev/fb1、
运行QT库里自带的demo程序
./deform -qws,报错,在环境变量里已经将linuxFB配置成fb1了,为啥还会一直找fb0?
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
Hi3536在fb1上运行QT程序, vo设置成 SAMPLE_VO_DEV_DHD1 VO_INTF_BT1120,可以正常输出
QT的环境变量设置为 export QT_QWS_DISPLAY=linuxFB:/dev/fb1、
运行QT库里自带的demo程序
./deform -qws,报错,在环境变量里已经将linuxFB配置成fb1了,为啥还会一直找fb0?
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
QScreenLinuxFb::connect: Operation not permitted
Error opening framebuffer device /dev/fb0
我来回答
回答5个
时间排序
认可量排序
认可0
认可0
认可0
认可0
认可0
或将文件直接拖到这里
悬赏:
E币
网盘
* 网盘链接:
* 提取码:
悬赏:
E币
Markdown 语法
- 加粗**内容**
- 斜体*内容*
- 删除线~~内容~~
- 引用> 引用内容
- 代码`代码`
- 代码块```编程语言↵代码```
- 链接[链接标题](url)
- 无序列表- 内容
- 有序列表1. 内容
- 缩进内容
- 图片![alt](url)
相关问答
-
2018-02-05 23:39:06
-
2018-05-02 19:49:17
-
2018-05-02 19:48:45
-
2019-11-11 16:57:15
-
2016-08-31 17:33:37
-
2015-08-25 18:29:46
-
2017-11-25 22:22:59
-
2017-08-08 11:30:45
-
2015-03-16 19:18:04
-
2019-10-10 18:28:28
-
2016-08-11 15:52:57
-
2016-09-06 15:30:10
-
2017-10-12 14:55:58
-
2017-09-26 11:23:50
-
2016-09-15 17:56:40
-
2017-09-29 17:00:26
-
2016-08-16 10:57:17
-
2017-11-04 21:56:57
-
2017-07-13 10:52:42
无更多相似问答 去提问
点击登录
-- 积分
-- E币
提问
—
收益
—
被采纳
—
我要提问
切换马甲
上一页
下一页
悬赏问答
-
5Hi3516CV610 如何使用SD卡升级固件
-
5cat /dev/logmpp 报错 <3>[ vi] [func]:vi_send_frame_node [line]:99 [info]:vi pic queue is full!
-
50如何获取vpss chn的图像修改后发送至vo
-
5FPGA通过Bt1120传YUV422数据过来,vi接收不到数据——3516dv500
-
50SS928 运行PQtools 拼接 推到设备里有一半画面会异常
-
53536AV100的sample_vdec输出到CVBS显示
-
10海思板子mpp怎么在vi阶段改变视频数据尺寸
-
10HI3559AV100 多摄像头同步模式
-
9海思ss928单路摄像头vio中加入opencv处理并显示
-
10EB-RV1126-BC-191板子运行自己编码的程序
举报反馈
举报类型
- 内容涉黄/赌/毒
- 内容侵权/抄袭
- 政治相关
- 涉嫌广告
- 侮辱谩骂
- 其他
详细说明
提醒
你的问题还没有最佳答案,是否结题,结题后将扣除20%的悬赏金
取消
确认
提醒
你的问题还没有最佳答案,是否结题,结题后将根据回答情况扣除相应悬赏金(1回答=1E币)
取消
确认