video_player/src/DefaultPlayer/copy.js

const copy = {
    play: 'Play video',
    pause: 'Pause video',
    mute: 'Mute video',
    unmute: 'Unmute video',
    volume: 'Change volume',
    fullscreen: 'View video fullscreen',
    seek: 'Seek video',
    captions: 'Toggle captions'
};

export default copy;