From c28c7ff637298e6d9ecee588741980b9e0481bfc Mon Sep 17 00:00:00 2001
From: Pete Cook <pete@cookpete.com>
Date: Tue, 9 May 2017 18:06:11 +0100
Subject: [PATCH] Add support for HLS and DASH streams

Proper fix for https://github.com/CookPete/react-player/issues/184
---
 README.md                 |  2 +-
 src/demo/App.js           |  8 +++--
 src/demo/defaults.scss    |  2 +-
 src/players/FilePlayer.js | 63 +++++++++++++++++++++++++++++++--------
 src/props.js              |  8 +++--
 5 files changed, 63 insertions(+), 20 deletions(-)

diff --git a/README.md b/README.md
index f90a5372..fe8d36c0 100644
--- a/README.md
+++ b/README.md
@@ -114,7 +114,7 @@ Prop | Description
 `youtubeConfig` | Configuration object for the YouTube player.<br />Set `playerVars` to override the [default player vars](https://developers.google.com/youtube/player_parameters?playerVersion=HTML5).<br />Set `preload` for [preloading](#preloading).
 `vidmeConfig` | Configuration object for the Vidme player.<br />Set `format` to use a certain quality of video, when available.<br />Possible values: `240p`, `480p`, `720p`, `1080p`, `dash`, `hls`
 `dailymotionConfig` | Configuration object for the DailyMotion player.<br />Set `params` to override the [default player vars](https://developer.dailymotion.com/player#player-parameters).<br />Set `preload` for [preloading](#preloading).
-`fileConfig` | Configuration object for the file player.<br />Set `attributes` to apply [element attributes](https://developer.mozilla.org/en/docs/Web/HTML/Element/video#Attributes).<br />Set `forceAudio` to always render an `<audio>` element.
+`fileConfig` | Configuration object for the file player.<br />Set `attributes` to apply [element attributes](https://developer.mozilla.org/en/docs/Web/HTML/Element/video#Attributes).<br />Set `forceAudio` to always render an `<audio>` element.<br />Set `forceHLS` to use [hls.js](https://github.com/video-dev/hls.js) for HLS streams.<br />Set `forceDASH` to always use [dash.js](https://github.com/Dash-Industry-Forum/dash.js) for DASH streams.
 `facebookConfig` | Configuration object for the Facebook player.<br />Set `appId` to your own [Facebook app ID](https://developers.facebook.com/docs/apps/register#app-id).
 
 ##### Preloading
diff --git a/src/demo/App.js b/src/demo/App.js
index 623ad8d2..b327a0f9 100644
--- a/src/demo/App.js
+++ b/src/demo/App.js
@@ -226,10 +226,12 @@ export default class App extends Component {
             <tr>
               <th>Files</th>
               <td>
-                {this.renderLoadButton('http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4', 'MP4')}
-                {this.renderLoadButton('http://clips.vorwaerts-gmbh.de/big_buck_bunny.ogv', 'OGV')}
-                {this.renderLoadButton('http://clips.vorwaerts-gmbh.de/big_buck_bunny.webm', 'WEBM')}
+                {this.renderLoadButton('http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4', 'mp4')}
+                {this.renderLoadButton('http://clips.vorwaerts-gmbh.de/big_buck_bunny.ogv', 'ogv')}
+                {this.renderLoadButton('http://clips.vorwaerts-gmbh.de/big_buck_bunny.webm', 'webm')}
                 {this.renderLoadButton(MULTIPLE_SOURCES, 'Multiple')}
+                {this.renderLoadButton('https://bitdash-a.akamaihd.net/content/MI201109210084_1/m3u8s/f08e80da-bf1d-4e3d-8899-f0f6155f6efa.m3u8', 'HLS (m3u8)')}
+                {this.renderLoadButton('http://dash.edgesuite.net/envivio/EnvivioDash3/manifest.mpd', 'DASH (mpd)')}
               </td>
             </tr>
             <tr>
diff --git a/src/demo/defaults.scss b/src/demo/defaults.scss
index 1d6a969a..2a7f3254 100644
--- a/src/demo/defaults.scss
+++ b/src/demo/defaults.scss
@@ -55,7 +55,7 @@ textarea {
 }
 
 button {
-  margin-right: 5px;
+  margin: 3px;
   padding: 6px 12px;
   border: 0;
   border-radius: 3px;
diff --git a/src/players/FilePlayer.js b/src/players/FilePlayer.js
index 333941ac..13672813 100644
--- a/src/players/FilePlayer.js
+++ b/src/players/FilePlayer.js
@@ -1,8 +1,15 @@
 import React from 'react'
 
 import Base from './Base'
+import loadScript from 'load-script'
 
 const AUDIO_EXTENSIONS = /\.(m4a|mp4a|mpga|mp2|mp2a|mp3|m2a|m3a|wav|weba|aac|oga|spx)($|\?)/i
+const HLS_EXTENSIONS = /\.(m3u8)($|\?)/i
+const HLS_SDK_URL = 'https://cdn.jsdelivr.net/hls.js/latest/hls.min.js'
+const HLS_GLOBAL = 'Hls'
+const DASH_EXTENSIONS = /\.(mpd)($|\?)/i
+const DASH_SDK_URL = 'https://cdnjs.cloudflare.com/ajax/libs/dashjs/2.5.0/dash.all.min.js'
+const DASH_GLOBAL = 'dashjs'
 
 export default class FilePlayer extends Base {
   static displayName = 'FilePlayer'
@@ -35,8 +42,26 @@ export default class FilePlayer extends Base {
     this.player.removeEventListener('error', onError)
     super.componentWillUnmount()
   }
-  load () {
-    // Setting the src is handled by render
+  shouldUseHLS (url) {
+    return HLS_EXTENSIONS.test(url) || this.props.fileConfig.forceHLS
+  }
+  shouldUseDASH (url) {
+    return DASH_EXTENSIONS.test(url) || this.props.fileConfig.forceDASH
+  }
+  load (url) {
+    if (this.shouldUseHLS(url)) {
+      loadSDK(HLS_SDK_URL, HLS_GLOBAL).then(Hls => {
+        const hls = new Hls()
+        hls.loadSource(url)
+        hls.attachMedia(this.player)
+      })
+    }
+    if (this.shouldUseDASH(url)) {
+      loadSDK(DASH_SDK_URL, DASH_GLOBAL).then(dashjs => {
+        const player = dashjs.MediaPlayer().create()
+        player.initialize(this.player, url, true)
+      })
+    }
   }
   play () {
     this.player.play()
@@ -79,34 +104,46 @@ export default class FilePlayer extends Base {
     const { src, type } = source
     return <source key={src} src={src} type={type} />
   }
-  renderSources = url => {
-    if (url instanceof Array === false) {
-      return null
-    }
-    return url.map(this.renderSource)
-  }
   ref = player => {
     this.player = player
   }
   render () {
     const { url, loop, controls, fileConfig } = this.props
-    const Media = AUDIO_EXTENSIONS.test(url) || fileConfig.forceAudio ? 'audio' : 'video'
+    const useAudio = AUDIO_EXTENSIONS.test(url) || fileConfig.forceAudio
+    const useHLS = this.shouldUseHLS(url)
+    const useDASH = this.shouldUseDASH(url)
+    const Element = useAudio ? 'audio' : 'video'
+    const src = url instanceof Array || useHLS || useDASH ? undefined : url
     const style = {
       width: '100%',
       height: '100%',
       display: url ? 'block' : 'none'
     }
     return (
-      <Media
+      <Element
         ref={this.ref}
-        src={url instanceof Array ? undefined : url}
+        src={src}
         style={style}
         preload='auto'
         controls={controls}
         loop={loop}
         {...fileConfig.attributes}>
-        {this.renderSources(url)}
-      </Media>
+        {url instanceof Array &&
+          url.map(this.renderSource)
+        }
+      </Element>
     )
   }
 }
+
+function loadSDK (url, globalVar) {
+  if (window[globalVar]) {
+    return Promise.resolve(window[globalVar])
+  }
+  return new Promise((resolve, reject) => {
+    loadScript(url, err => {
+      if (err) reject(err)
+      resolve(window[globalVar])
+    })
+  })
+}
diff --git a/src/props.js b/src/props.js
index 79ab5a41..cdf4891f 100644
--- a/src/props.js
+++ b/src/props.js
@@ -38,7 +38,9 @@ export const propTypes = {
   }),
   fileConfig: shape({
     attributes: object,
-    forceAudio: bool
+    forceAudio: bool,
+    forceHLS: bool,
+    forceDASH: bool
   }),
   onReady: func,
   onStart: func,
@@ -86,7 +88,9 @@ export const defaultProps = {
   },
   fileConfig: {
     attributes: {},
-    forceAudio: false
+    forceAudio: false,
+    forceHLS: false,
+    forceDASH: false
   },
   onReady: function () {},
   onStart: function () {},