add mse

src/index.js

@@ -4,6 +4,7 @@ import Emitter from 'tiny-emitter';
 import Template from './template';
 import I18n from './i18n';
 import Player from './player';
+import Mse from './mse';
 import Controls from './controls';
 import Contextmenu from './contextmenu';
 import Danmaku from './danmaku';
@@ -35,6 +36,8 @@ class Artplayer extends Emitter {
       volume: 0.7,
       autoplay: false,
       preload: 'auto',
+      type: '',
+      mimeCodec: '',
       lang: navigator.language.toLowerCase()
     };
   }
@@ -66,6 +69,7 @@ class Artplayer extends Emitter {
     this.template = new Template(this);
     this.i18n = new I18n(this);
     this.player = new Player(this);
+    this.mse = new Mse(this);
     this.controls = new Controls(this);
     this.contextmenu = new Contextmenu(this);
     this.danmaku = new Danmaku(this);
@@ -79,7 +83,7 @@ class Artplayer extends Emitter {
   }
 
   destroy() {
-    this.destroyEvents.forEach(event => event.destroy());
+    this.destroyEvents.forEach(event => event());
     this.refs.container.innerHTML = '';
     instances.splice(instances.indexOf(this), 1);
   }

src/mse.js

@@ -0,0 +1,121 @@
+import { errorHandle, request } from './utils';
+import mimeCodeces from './utils/mimeCodeces';
+import mseConfig from './utils/mseConfig';
+
+export default class Mse {
+  constructor(art) {
+    this.art = art;
+    this.setMimeCodec();
+    this.mediaSourceEventFn = this.mediaSourceEventFn.bind(this);
+    this.sourceBufferEventFn = this.sourceBufferEventFn.bind(this);
+    this.sourceBuffersEventFn = this.sourceBuffersEventFn.bind(this);
+    this.activeSourceBuffersEventFn = this.activeSourceBuffersEventFn.bind(this);
+    this.init();
+    this.eventBind();
+    this.eventStart();
+  }
+
+  setMimeCodec() {
+    const { option } = this.art;
+    if (!option.type) {
+      const urlArr = option.url
+        .trim()
+        .toLowerCase()
+        .split('.');
+      const type = urlArr[urlArr.length - 1];
+      errorHandle(
+        Object.keys(mimeCodeces).includes(type),
+        `Can't find video's type from ${option.url}`
+      );
+      option.type = type;
+    }
+
+    if (!option.mimeCodec) {
+      const mimeCodec = mimeCodeces[option.type];
+      errorHandle(
+        mimeCodec,
+        `Can't find video's mimeCodec from ${option.type}`
+      );
+      option.mimeCodec = mimeCodec;
+    }
+  }
+
+  init() {
+    const {
+      option,
+      refs: { $video }
+    } = this.art;
+    errorHandle(
+      MediaSource.isTypeSupported(option.mimeCodec),
+      `Unsupported MIME type or codec: ${option.mimeCodec}`
+    );
+    this.mediaSource = new MediaSource();
+    $video.src = URL.createObjectURL(this.mediaSource);
+    this.art.destroyEvents.push(() => {
+      URL.revokeObjectURL($video.src);
+    });
+  }
+
+  eventBind() {
+    const { instance, sourceBufferList } = mseConfig;
+
+    instance.events.forEach(eventName => {
+      this.mediaSource.addEventListener(eventName, this.mediaSourceEventFn);
+      this.art.destroyEvents.push(() => {
+        this.mediaSource.removeEventListener(eventName, this.mediaSourceEventFn);
+      });
+    });
+
+    sourceBufferList.events.forEach(eventName => {
+      this.mediaSource.sourceBuffers.addEventListener(eventName, this.sourceBuffersEventFn);
+      this.art.destroyEvents.push(() => {
+        this.mediaSource.sourceBuffers.removeEventListener(eventName, this.sourceBuffersEventFn);
+      });
+
+      this.mediaSource.activeSourceBuffers.addEventListener(eventName, this.activeSourceBuffersEventFn);
+      this.art.destroyEvents.push(() => {
+        this.mediaSource.activeSourceBuffers.removeEventListener(eventName, this.activeSourceBuffersEventFn);
+      });
+    });
+  }
+
+  eventStart() {
+    const { option } = this.art;
+    const { sourceBuffer } = mseConfig;
+
+    this.art.on('mediaSource:sourceopen', () => {
+      this.sourceBuffer = this.mediaSource.addSourceBuffer(option.mimeCodec);
+
+      sourceBuffer.events.forEach(eventName => {
+        this.sourceBuffer.addEventListener(eventName, this.sourceBufferEventFn);
+        this.art.destroyEvents.push(() => {
+          this.sourceBuffer.removeEventListener(eventName, this.sourceBufferEventFn);
+        });
+      });
+    });
+
+    this.art.on('sourceBuffer:updateend', () => {
+      this.mediaSource.endOfStream();
+    });
+
+    request(option.url).then(response => {
+      this.sourceBuffer.appendBuffer(response);
+    });
+  }
+
+  mediaSourceEventFn(event) {
+    this.art.emit(`mediaSource:${event.type}`, event);
+  }
+
+  sourceBufferEventFn(event) {
+    this.art.emit(`sourceBuffer:${event.type}`, event);
+  }
+
+  sourceBuffersEventFn(event) {
+    this.art.emit(`sourceBuffers:${event.type}`, event);
+  }
+
+  activeSourceBuffersEventFn(event) {
+    this.art.emit(`activeSourceBuffers:${event.type}`, event);
+  }
+}

src/player.js

@@ -1,19 +1,37 @@
 import { clamp } from './utils';
+import mediaElement from './utils/mediaElement';
 
 export default class Player {
   constructor(art) {
     this.art = art;
+    this.eventFn = this.eventFn.bind(this);
     this.init();
+    this.eventBind();
   }
 
   init() {
     const { option } = this.art;
     const { $video } = this.art.refs;
-    $video.controls = false;
+    $video.controls = true;
     $video.poster = option.poster;
     $video.volume = clamp(option.volume, 0, 1);
     $video.autoplay = option.autoplay;
     $video.preload = option.preload;
-    $video.src = option.url;
+  }
+
+  eventBind() {
+    const { $video } = this.art.refs;
+    const { events } = mediaElement;
+    for (let index = 0; index < events.length; index++) {
+      const eventName = events[index];
+      $video.addEventListener(eventName, this.eventFn);
+      this.art.destroyEvents.push(() => {
+        $video.removeEventListener(eventName, this.eventFn);
+      });
+    }
+  }
+
+  eventFn(event) {
+    this.art.emit(`video:${event.type}`, event);
   }
 }

src/utils/index.js

@@ -9,3 +9,11 @@ export function errorHandle(condition, msg) {
 export function clamp(num, a, b) {
   return Math.max(Math.min(num, Math.max(a, b)), Math.min(a, b));
 }
+
+export function request(url) {
+  return fetch(url)
+    .then(response => response.arrayBuffer())
+    .catch(err => {
+      throw new ArtPlayerError(err.message);
+    });
+}

src/utils/mediaElement.js

@@ -0,0 +1,64 @@
+export default {
+  propertys: [
+    'audioTracks',
+    'autoplay',
+    'buffered',
+    'controller',
+    'controls',
+    'crossOrigin',
+    'currentSrc',
+    'currentTime',
+    'defaultMuted',
+    'defaultPlaybackRate',
+    'duration',
+    'ended',
+    'error',
+    'loop',
+    'mediaGroup',
+    'muted',
+    'networkState',
+    'paused',
+    'playbackRate',
+    'played',
+    'preload',
+    'readyState',
+    'seekable',
+    'seeking',
+    'src',
+    'startDate',
+    'textTracks',
+    'videoTracks',
+    'volume'
+  ],
+  methods: [
+    'addTextTrack',
+    'canPlayType',
+    'load',
+    'play',
+    'pause'
+  ],
+  events: [
+    'abort',
+    'canplay',
+    'canplaythrough',
+    'durationchange',
+    'emptied',
+    'ended',
+    'error',
+    'loadeddata',
+    'loadedmetadata',
+    'loadstart',
+    'pause',
+    'play',
+    'playing',
+    'progress',
+    'ratechange',
+    'seeked',
+    'seeking',
+    'stalled',
+    'suspend',
+    'timeupdate',
+    'volumechange',
+    'waiting'
+  ]
+};

src/utils/mimeCodeces.js

@@ -0,0 +1,5 @@
+export default {
+  mp4: 'video/mp4; codecs="avc1.42E01E, mp4a.40.2"',
+  webm: 'video/webm; codecs="vorbis, vp8"',
+  ts: 'video/mp2t; codecs="avc1.42E01E, mp4a.40.2"'
+};

src/utils/mseConfig.js

@@ -0,0 +1,58 @@
+export default {
+  instance: {
+    propertys: [
+      'activeSourceBuffers',
+      'duration',
+      'readyState',
+      'sourceBuffers'
+    ],
+    methods: [
+      'addSourceBuffer',
+      'endOfStream',
+      'removeSourceBuffer',
+      'clearLiveSeekableRange',
+      'setLiveSeekableRange'
+    ],
+    events: [
+      'sourceclose',
+      'sourceended',
+      'sourceopen'
+    ]
+  },
+  sourceBuffer: {
+    propertys: [
+      'mode',
+      'updating',
+      'buffered',
+      'timestampOffset',
+      'audioTracks',
+      'videoTracks',
+      'textTracks',
+      'appendWindowStart',
+      'appendWindowEnd',
+      'trackDefaults'
+    ],
+    methods: [
+      'appendBuffer',
+      'appendStream',
+      'abort',
+      'remove'
+    ],
+    events: [
+      'abort',
+      'error',
+      'update',
+      'updateend',
+      'updatestart'
+    ]
+  },
+  sourceBufferList: {
+    propertys: [
+      'length'
+    ],
+    events: [
+      'addsourcebuffer',
+      'removesourcebuffer'
+    ]
+  }
+};

src/utils/verification.js

@@ -46,4 +46,14 @@ export default function verification(option) {
     `'lang' option require 'string' type, but got '${typeof option.lang}'.`
   );
 
+  errorHandle(
+    typeof option.type === 'string',
+    `'type' option require 'string' type, but got '${typeof option.type}'.`
+  );
+
+  errorHandle(
+    typeof option.mimeCodec === 'string',
+    `'mimeCodec' option require 'string' type, but got '${typeof option.mimeCodec}'.`
+  );
+
 }