播放游戏时,停止待机任务
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39
todo.md
39
todo.md
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# 技术点记录
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## 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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```bash
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sudo apt install libasound2-dev alsa-utils
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```
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## 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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显示安装
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```bash
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sudo apt install libdirectfb-dev # 轻量级显示服务器
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# 或
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# sudo apt install xorg
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```
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```bash
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sudo apt install ffmpeg
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```
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### 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(关闭背光)
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显示安装
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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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sudo apt install xorg
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```
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### 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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### 关闭背光
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```bash
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# xorg 环境,关闭背光
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xset dpms force off
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# xorg 环境,重新打开背光
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