WhyCan Forum(哇酷开发者社区)

# mpv
mpv 0.33.1 Copyright © 2000-2020 mpv/MPlayer/mplayer2 projects
built on Mon Oct  7 00:24:07 CST 2024
FFmpeg library versions:
   libavutil       56.51.100
   libavcodec      58.91.100
   libavformat     58.45.100
   libswscale      5.7.100
   libavfilter     7.85.100
   libswresample   3.7.100
FFmpeg version: 4.3.2

Usage:   mpv [options] [url|path/]filename

Basic options:
--start=<time>    seek to given (percent, seconds, or hh:mm:ss) position
--no-audio        do not play sound
--no-video        do not play video
--fs              fullscreen playback
--sub-file=<file> specify subtitle file to use
--playlist=<file> specify playlist file

--list-options    list all mpv options
--h=<string>      print options which contain the given string in their name
# ls
1.mp4           littlevgl_demo
# mpv 1.mp4
(+) Video --vid=1 (*) (h264 480x854 30.000fps)
(+) Audio --aid=1 (*) (aac 2ch 44100Hz)
Error opening/initializing the selected video_out (--vo) device.
Video: no video

Exiting... (Errors when loading file)
#

使用官方buildroot2021Audio选项去除了mplayer故选择mpv进行视频播放，输入mpv [filename]后显示Error opening/initializing the selected video_out (--vo) device.花屏和清屏检测有效，是mpv指令输入错误还是其他问题，新人求教0.0