[mpv-script] 快捷键循环命令

cycle_commands.js

// 使用单个快捷键依次执行指令
// input.conf
// KEY script-message cycle-cmd "CMD1" "CMD2"
// Created by https://github.com/avih

var registry = {};

mp.register_script_message("cycle-cmd", function() {
    var key = JSON.stringify(arguments);
    if (!(registry[key] >= 0))
        registry[key] = -1;
    
    registry[key] = (registry[key] + 1) % arguments.length;
    mp.command(arguments[registry[key]]);
});