# 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
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记录目前情况，研究一晚上mpv --vo=help得到输出没有drm，内核启动选项中加载了drm，初步猜测是编译时buildroot没有添加对linux的drm支持，现在尝试添加libdrm手动支持drm，准备编译
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