An example of stream convertion to HLS and playing it in browser using VideoJS
The player shows how to convert stream published on WCS server to HLS and play it in browser. HLS stream cut starts automatically when strea is requested by HLS URL, for example https://demo.flashphoner.com:8445/test/test.m3u8 on the screenshot below
The code of the example
The source code can be accessed on server by the following path:
/usr/local/FlashphonerWebCallServer/client2/examples/demo/streaming/hls-player
hls-player.css - player page styles file
video-js.css - HLS player styles file
hls-player.html - player page
hls-player.js - player launch script
player-page.html - common player page elements for three HLS playback examples
video.js - player script (http://videojs.com/, Apache License Version 2.0)
videojs-hls.min.js - player script (minimized)
The example can be tested using the fiollowing URL:
https://host:8888/client2/examples/demo/streaming/hls-player/hls-player.html
Where host is WCS server address
Analyzing the code of the example
Toanalize the code get hls-player.js file version with hash 51703a2, which is available here and can be downloaded in build 0.5.28.2753.141.
1. A server HLS URL detection
getHLSUrl() code
function initPage() { $("#header").text("HLS VideoJS Player Minimal"); $("#urlServer").val(getHLSUrl()); ... }
2. Player initialization
videojs() code
A div element for stream playback is passed to player
function initPage() { ... var remoteVideo = document.getElementById('remoteVideo'); remoteVideo.className = "video-js vjs-default-skin"; player = videojs(remoteVideo); }
3. Stream name detection (the stream should be published to server
encodeURIComponent() code
function playBtnClick() { if (validateForm()) { var streamName = $('#playStream').val(); streamName = encodeURIComponent(streamName); ... } }
4. HLS stream URL forming and player launching
player.play() code
If authentication key and token are set, they will be inclueded to stream URL
function playBtnClick() { if (validateForm()) { ... var videoSrc = $("#urlServer").val() + '/' + streamName + '/' + streamName + '.m3u8'; var key = $('#key').val(); var token = $("#token").val(); if (key.length > 0 && token.length > 0) { videoSrc += "?" + key + "=" + token; } player.src({ src: videoSrc, type: "application/vnd.apple.mpegurl" }); console.log("Play with VideoJs"); player.play(); onStarted(); } }
5. Playback stopping
player.pause() code
function stopBtnClick() { if (player != null) { console.log("Stop VideoJS player"); player.pause(); } onStopped(); }