mplayer -vo 权限问题

小弓虽

我在ubuntu下编译的mplayer，使用正常，经过几次测试，发现在xvidix模式下播放比较流畅，但是问题是-vo xvidix只能在root下使用，普通用户却用不了，有办法解决吗？

小弓虽

没有人遇到这种问题吗？顶一顶啊！

likizju

把用户加入video组内

小弓虽

沒有這個組哦，沒有找到video這個用戶組

小弓虽

不好意思，弄错了，我的用户名本身已经在video组里了。刚才试着添加了一下，提示已隶属于 video 组。还是不能用啊，各位帮帮忙。

小弓虽

错误信息：
No vidix driver name provided, probing available ones (-v option for details)!
[cyberblade] Error occurred during pci scan: Operation not permitted
[mach64] Error occurred during pci scan: Operation not permitted
[mga] Error occurred during pci scan: Operation not permitted
[mga] Error occurred during pci scan: Operation not permitted
[nvidia_vid] Error occurred during pci scan: Operation not permitted
[pm3] Error occurred during pci scan: Operation not permitted
[radeon] Error occurred during pci scan: Operation not permitted
[rage128] Error occurred during pci scan: Operation not permitted
[savage_vid] Error occurred during pci scan: Operation not permitted
[SiS] Error occurred during pci scan: Operation not permitted
[unichrome] Error occurred during pci scan: Operation not permitted
[VO_SUB_VIDIX] 无法找到能工作的 VIDIX 驱动。
打开/初始化 (-vo) 所选的视频输出设备出错。

这是用普通用户运行的提示，用root则没有问题。