ffplay播放视频时有声音无画面

Could not initialize SDL - dsp: No such audio device
(Did you set the DISPLAY variable?)
sudo apt install libasound2-dev libpulse-dev -y
重新编译安装SDL2

ffplay播放视频时有声音无画面
sudo apt install libx11-dev xorg-dev -y
重新编译安装SDL2

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