Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Table of Contents

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 httpsexample http://demo.flashphoner.com:8445localhost:8082/test/test.m3u8 on the screenshot below

Image RemovedImage Added

The code of the example

The source code can be accessed on server by the following path:

...

Where host is WCS server address

Analyzing the code

...

To analize the code get hls-player.js file version with hash 51703a2 ecbadc3, which is available available here and can be downloaded in build build 2.0.5.28.2753.141212.

1. A server HLS URL detection

getHLSUrl() code

Code Block
languagejs
themeRDark
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

...

3. Stream name detection (the stream should be published to server)

encodeURIComponent() code

Code Block
languagejs
themeRDark
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 included to stream URL

...

5. Playback stopping

player.pausedispose() code

This method removes the div container tag where player was initialized from the page

Code Block
languagejs
themeRDark
function stopBtnClick() {
    if (player != null) {
        console.log("Stop VideoJS player");
        player.pause();
    }
    onStopped();
}

6. New div contaioner tag creation after previous player was removed

code

Code Block
languagejs
themeRDark
function createRemoteVideo(parent) {
    remoteVideo = document.createElement("video");
    remoteVideo.id = "remoteVideo";
    remoteVideo.width=852;
    remoteVideo.height=480;
    remoteVideo.controls="controls";
    remoteVideo.autoplay="autoplay";
    remoteVideo.type="application/vnd.apple.mpegurl";
    remoteVideo.className = "video-js vjs-default-skin";
    parent.appendChild(remoteVideo);
    player = videojs(remoteVideo);
}