33 lines
615 B
Markdown
33 lines
615 B
Markdown
## 技术点记录
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1. linux 下播放音频
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```bash
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sudo apt install libasound2-dev alsa-utils
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```
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2. linux 下播放视频
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```bash
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sudo apt install ffmpeg
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```
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驱动安装
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```bash
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sudo apt install libdirectfb-dev
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```
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3. 当前用户加入播放音频与视频的组中
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```bash
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sudo usermod -aG audio,video $USER
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```
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### 关闭屏幕帧缓冲
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```bash
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# 关闭帧缓冲设备
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echo 1 | sudo tee /sys/class/graphics/fb0/blank
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# 重新打开帧缓冲设备
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echo 0 | sudo tee /sys/class/graphics/fb0/blank
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```
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### 播放视频
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```bash
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ffplay -autoexit -fs -i video.mp4
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```
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