(c) 2020 black.dragon74 aka Nick
macOS daemon to send HD Audio commands (HDA Verbs) to an IOHDACodecDevice from user-sapce.
Check the homepage here.
In this project, we use ALCPlugFix to send SET_PIN_WIDGET_CONTROL , and set pin widget of node 0x19 to 0x24, so that the default audio input will switch to head phone mic. Also this will enable support for both OMTP and CTIA head phone.
在本项目中，使用 ALCPlugFix 向声卡发送 SET_PIN_WIDGET_CONTROL 命令，在启动和插入耳机时将 0x19 节点的 Pin widget 设置为 0x24，以此将麦克风切换到耳机麦，同时能支持OMTP和CTIA两种标准的耳机，解决耳机无人声/声音含糊的问题。
Double click on install.command , input your password (password is not visible) and drag sample.plist into the console.
This script will install ALCPlugFix-Swift into /usr/local/bin , and sample.plist to /etc/ALCPlugFix/config.plist, and com.black-dragon74.ALCPlugFix.plist to /Library/LaunchAgent
双击 install.command，输入你的密码（盲输），然后把 sample.plist 拖到这个终端里。
此脚本将把 ALCPlugFix-Swift 安装到 /usr/local/bin，sample.plist 安装到 /etc/ALCPlugFix/config.plist ，com.black-dragon74.ALCPlugFix.plist 安装到 /Library/LaunchAgent
This fix requires AppleALC version 1.5.4+ or the patch of commit 61e2bbf applied.
此修复方法依赖于 v1.5.4 之后的 AppleALC。