参考链接

<videocontrolscontrolslist="nodownload noplaybackrate"disablePictureInPicture="true"disableRemotePlayback="true"src="https://www.runoob.com/try/demo_source/movie.mp4"></video>

隐藏下载：nodownload
隐藏播放速度：noplaybackrate
隐藏画中画：disablePictureInPicture="true"
隐藏三个点：controlslist="nodownload noplaybackrate"
隐藏音量按钮：

// 隐藏video 音量按钮
video::-webkit-media-controls-mute-button {display: none !important;
}
// 音量按钮
video::-webkit-media-controls-volume-control-container {display: none !important;
}

效果图：