Demo for Nico Nico Douga HTML5 player with controls

Demo site here.

Overview

Nico Nico Douga (NND) is a video streaming service. Recently NND added a new HTML5-based embeddable player. The player comes with a JavaScript API library. I couldn't find English documentation for the player, so I made a demo site that shows how it's used.

Features

• Dynamic loading of player
• Controls: play, pause
• Progress reporting

Notes

The JavaScript API is available at https://embed.res.nimg.jp/js/api.js. After the API is loaded, global callback method onNicoPlayerFactoryReady is called and the player factory is provided as parameter.

window.onNicoPlayerFactoryReady = factory => {
    this.playerFactory = factory; // Save player factory
};

After this, the player can be initialized by calling create method on the player factory. Container element and video ID are provided as parameters. The method returns a promise which contains the actual player object.

const player = await this.playerFactory.create(this.element, videoId);

Video playback is started by calling play method on the player object. Player status is observed by listening to global events of type "message".

window.addEventListener("message", (e: nico.PlayerEvent) => {
	switch (e.data.eventName) {
		case "playerMetadataChange": {
			...

See the TypeScript typings for more information.