text: export const UPDATE_PLAYBACK = 'UPDATE_PLAYBACK';
  export const STOP_PLAYBACK = 'STOP_PLAYBACK';
  
  export const USER_PAUSE_MEDIA = 'USER_PAUSE_MEDIA';
  export const USER_CLOSE = 'USER_CLOSE';
  
  export const RELOAD_FILES = 'RELOAD_FILES';
  
  export const USER_SCREENSHOT = 'USER_SCREENSHOT';
  export const USER_SCREEN_OFF = 'USER_SCREEN_OFF';
  export const USER_OPEN_BROWSER = 'USER_OPEN_BROWSER';
  export const USER_ANALYTICS = 'USER_ANALYTICS';
  
  export const PLAYING = 'PLAYING';
  export const PAUSED = 'PAUSED';
  export const STOPPED = 'STOPPED';
  
  export const USER_KEY_PRESS = 'USER_KEY_PRESS';
  
  // copied from https://github.com/xat/omxctrl/blob/master/omxctrl.js
  export const OMX_KEYS = {
    decreaseSpeed: '1',
    increaseSpeed: '2',
    previousAudioStream: 'j',
    nextAudioStream: 'k',
    previousChapter: 'i',
    nextChapter: 'o',
    previousSubtitleStream: 'n',
    nextSubtitleStream: 'm',
    toggleSubtitles: 's',
    decreaseSubtitleDelay: 'd',
    increaseSubtitleDelay: 'f',
    pause: 'p', // toggle between pause and play
    stop: 'q',
    decreaseVolume: '-',
    increaseVolume: '+',
    seekForward: "\x5b\x43",
    seekBackward: "\x5b\x44",
    seekFastForward: "\x5b\x41",
    seekFastBackward: "\x5B\x42"
  };
  