移除flv插件

2026-10-16 01:26:16 -08:00 · 2019-04-25 09:17:53 +08:00
1 parent 43f8e9d935
commit d626ee601e
@@ -32,7 +32,6 @@
 | Project                                                                                                               | Description                    | Demo                                                                                                                                                |
 | --------------------------------------------------------------------------------------------------------------------- | ------------------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------- |
 | [artplayer-plugin-danmu](https://github.com/zhw2590582/ArtPlayer/tree/master/packages/artplayer-plugin-danmu)         | Danmu plugin for ArtPlayer     | `WIP`                                                                                                                                               |
-| [artplayer-plugin-flv](https://github.com/zhw2590582/ArtPlayer/tree/master/packages/artplayer-plugin-flv)             | Flv plugin for ArtPlayer       | `WIP`                                                                                                                                               |
 | [artplayer-plugin-gif](https://github.com/zhw2590582/ArtPlayer/tree/master/packages/artplayer-plugin-gif)             | Gif plugin for ArtPlayer       | [demo](https://artplayer.org/?libs=.%2Funcompiled%2Fartplayer-plugin-gif.js&example=gif)                                                            |
 | [artplayer-plugin-backlight](https://github.com/zhw2590582/ArtPlayer/tree/master/packages/artplayer-plugin-backlight) | Backlight plugin for ArtPlayer | [demo](https://artplayer.org/?libs=.%2Funcompiled%2Fartplayer-plugin-backlight.js&example=backlight)                                                |
 | [artplayer-plugin-playlist](https://github.com/zhw2590582/ArtPlayer/tree/master/packages/artplayer-plugin-playlist)       | Playlist plugin for ArtPlayer  | [demo](https://artplayer.org/?libs=.%2Funcompiled%2Fartplayer-plugin-playlist.js%0A.%2Funcompiled%2Fartplayer-plugin-playlist.css&example=playlist) |
@@ -1,9 +0,0 @@
-node_modules
-.DS_Store
-yarn.lock
-package-lock.json
-test
-coverage
-.nyc_output
-.cache
-docs
@@ -1 +0,0 @@
-package-lock=false
@@ -1,3 +0,0 @@
-# artplayer-plugin-flv
-Flv plugin for ArtPlayer
-
@@ -1,8 +0,0 @@
-/*!
- * artplayer-plugin-flv.js v3.1.7
- * Github: https://github.com/zhw2590582/ArtPlayer#readme
- * (c) 2017-2019 Harvey Zack
- * Released under the MIT License.
- */
-
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e=e||self)["artplayer-plugin-flv"]=t()}(this,function(){"use strict";var a=function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")};function r(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}var c=function(e,t,n){return t&&r(e.prototype,t),n&&r(e,n),e};function e(e,t){return e(t={exports:{}},t.exports),t.exports}var n=e(function(t){function n(e){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}function r(e){return"function"==typeof Symbol&&"symbol"===n(Symbol.iterator)?t.exports=r=function(e){return n(e)}:t.exports=r=function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":n(e)},r(e)}t.exports=r});var o=function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e};var i=function(e,t){return!t||"object"!==n(t)&&"function"!=typeof t?o(e):t},u=e(function(t){function n(e){return t.exports=n=Object.setPrototypeOf?Object.getPrototypeOf:function(e){return e.__proto__||Object.getPrototypeOf(e)},n(e)}t.exports=n}),s=e(function(n){function r(e,t){return n.exports=r=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e},r(e,t)}n.exports=r});var t=function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),t&&s(e,t)};function f(){}f.prototype={on:function(e,t,n){var r=this.e||(this.e={});return(r[e]||(r[e]=[])).push({fn:t,ctx:n}),this},once:function(e,t,n){var r=this;function o(){r.off(e,o),t.apply(n,arguments)}return o._=t,this.on(e,o,n)},emit:function(e){for(var t=[].slice.call(arguments,1),n=((this.e||(this.e={}))[e]||[]).slice(),r=0,o=n.length;r<o;r++)n[r].fn.apply(n[r].ctx,t);return this},off:function(e,t){var n=this.e||(this.e={}),r=n[e],o=[];if(r&&t)for(var i=0,a=r.length;i<a;i++)r[i].fn!==t&&r[i].fn._!==t&&o.push(r[i]);return o.length?n[e]=o:delete n[e],this}};var l=f,p=f;l.TinyEmitter=p;var d=function(e){if(Array.isArray(e)){for(var t=0,n=new Array(e.length);t<e.length;t++)n[t]=e[t];return n}};var h=function(e){if(Symbol.iterator in Object(e)||"[object Arguments]"===Object.prototype.toString.call(e))return Array.from(e)};var v=function(){throw new TypeError("Invalid attempt to spread non-iterable instance")};var y=function(e){return d(e)||h(e)||v()};var m=function(e){return-1!==Function.toString.call(e).indexOf("[native code]")},g=e(function(r){function o(e,t,n){return!function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],function(){})),!0}catch(e){return!1}}()?r.exports=o=function(e,t,n){var r=[null];r.push.apply(r,t);var o=new(Function.bind.apply(e,r));return n&&s(o,n.prototype),o}:r.exports=o=Reflect.construct,o.apply(null,arguments)}r.exports=o}),b=function(e){function r(e,t){var n;return a(this,r),n=i(this,u(r).call(this,e)),"function"==typeof Error.captureStackTrace&&Error.captureStackTrace(o(n),t||n.constructor),n.name="FlvError",n}return t(r,e),r}(e(function(t){function r(e){var n="function"==typeof Map?new Map:void 0;return t.exports=r=function(e){if(null===e||!m(e))return e;if("function"!=typeof e)throw new TypeError("Super expression must either be null or a function");if(void 0!==n){if(n.has(e))return n.get(e);n.set(e,t)}function t(){return g(e,arguments,u(this).constructor)}return t.prototype=Object.create(e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),s(t,e)},r(e)}t.exports=r})(Error));function w(e,t){if(!e)throw new b(t)}function S(e,t){var n=new e.constructor(e.length+t.length);return n.set(e),n.set(t,e.length),n}function k(r){return r.reduce(function(e,t,n){return e+t*Math.pow(256,r.length-n-1)},0)}function x(e){var t;return(t=String.fromCharCode).call.apply(t,[String].concat(y(e)))}function E(e){var n=new DataView(new ArrayBuffer(e.length));return e.forEach(function(e,t){n.setUint8(t,e)}),n.getFloat64(0)}function O(e){return 1===e}function T(o){var i=0;return function e(t){for(var n=new Uint8Array(t),r=0;r<t;r+=1)n[r]=o[i],i+=1;return e.index=i,n}}var j=Object.freeze({errorHandle:w,mergeTypedArrays:S,sleep:function(){var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:0;return new Promise(function(e){return setTimeout(e,t)})},getUint8Sum:k,string2Bin:function(e){for(var t=[],n=0;n<e.length;n+=1)t.push(Number(e.charCodeAt(n).toString(10)));return t},bin2String:x,bin2Float:E,bin2Boolean:O,log:function(Line truncated
@@ -1,26 +0,0 @@
-{
-  "name": "artplayer-plugin-flv",
-  "version": "3.1.7",
-  "description": "Flv plugin for ArtPlayer",
-  "main": "dist/artplayer-plugin-flv.js",
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/zhw2590582/ArtPlayer.git"
-  },
-  "keywords": [
-    "video",
-    "player"
-  ],
-  "author": "Harvey Zack <laozhaochaguan@gmail.com>",
-  "license": "MIT",
-  "bugs": {
-    "url": "https://github.com/zhw2590582/ArtPlayer/issues"
-  },
-  "homepage": "https://github.com/zhw2590582/ArtPlayer#readme",
-  "dependencies": {
-    "tiny-emitter": "^2.0.2"
-  }
-}
@@ -1,58 +0,0 @@
-export default {
-    mediaSource: {
-        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',
-        ],
-    },
-};
@@ -1,43 +0,0 @@
-import config from './config';
-
-export default class CreatMediaSource {
-    constructor(flv) {
-        this.flv = flv;
-        this.creatUrl();
-        this.eventBind();
-    }
-
-    creatUrl() {
-        const {
-            options: { mediaElement },
-            events: { destroyEvents },
-        } = this.flv;
-        this.mediaSource = new MediaSource();
-        const url = URL.createObjectURL(this.mediaSource);
-        destroyEvents.push(() => {
-            URL.revokeObjectURL(url);
-        });
-        mediaElement.src = url;
-    }
-
-    eventBind() {
-        const {
-            events: { proxy },
-        } = this.flv;
-
-        config.mediaSource.events.forEach(eventName => {
-            proxy(this.mediaSource, eventName, event => {
-                this.flv.emit(`mediaSource:${event.type}`, event);
-            });
-        });
-
-        config.sourceBufferList.events.forEach(eventName => {
-            proxy(this.mediaSource.sourceBuffers, eventName, event => {
-                this.flv.emit(`sourceBuffers:${event.type}`, event);
-            });
-            proxy(this.mediaSource.activeSourceBuffers, eventName, event => {
-                this.flv.emit(`activeSourceBuffers:${event.type}`, event);
-            });
-        });
-    }
-}
@@ -1,58 +0,0 @@
-export default class CreatWorker {
-    constructor() {
-        this.workers = new Map();
-    }
-
-    static fnToStr(fn) {
-        return `
-           self.onmessage = event => {
-               return self.postMessage((${fn}).apply(null, event.data));
-           }
-         `;
-    }
-
-    static create(fn) {
-        const blob = new Blob([CreatWorker.fnToStr(fn)], {
-            type: 'application/javascript',
-        });
-        const objectURL = window.URL.createObjectURL(blob);
-        const worker = new Worker(objectURL);
-        worker.kill = () => {
-            URL.revokeObjectURL(objectURL);
-            worker.terminate();
-        };
-        worker.post = args =>
-            new Promise((resolve, reject) => {
-                worker.onmessage = event => {
-                    resolve(event.data);
-                };
-                worker.onerror = error => {
-                    reject(error);
-                };
-                worker.postMessage(args);
-            });
-        return worker;
-    }
-
-    add(name, fn) {
-        if (!this.workers.has(name)) {
-            this.workers.set(name, CreatWorker.create(fn));
-        }
-    }
-
-    run(name, ...args) {
-        const worker = this.workers.get(name);
-        return worker.post(args);
-    }
-
-    kill(name) {
-        const worker = this.workers.get(name);
-        worker.kill();
-    }
-
-    killAll() {
-        this.workers.forEach(worker => {
-            worker.kill();
-        });
-    }
-}
@@ -1,17 +0,0 @@
-export default class EventProxy {
-    constructor() {
-        this.destroyEvents = [];
-        this.proxy = this.proxy.bind(this);
-    }
-
-    proxy(target, name, callback, option = {}) {
-        target.addEventListener(name, callback, option);
-        this.destroyEvents.push(() => {
-            target.removeEventListener(name, callback, option);
-        });
-    }
-
-    destroy() {
-        this.destroyEvents.forEach(event => event());
-    }
-}
@@ -1,49 +0,0 @@
-import { errorHandle } from '../utils';
-
-export default function fetchStream(flv, url) {
-    flv.emit('flvFetchStart');
-    fetch(url).then(response => {
-        errorHandle(
-            response.ok && response.status >= 200 && response.status <= 299,
-            `${response.status} ${response.statusText}`,
-        );
-        const contentType = response.headers.get('content-type');
-        errorHandle(contentType.includes('x-flv'), 'The resource does not seem to be a flv file');
-        return new Response(
-            new ReadableStream({
-                start(controller) {
-                    const reader = response.body.getReader();
-
-                    flv.on('destroy', () => {
-                        reader.cancel();
-                    });
-
-                    flv.on('readerCancel', () => {
-                        reader.cancel();
-                    });
-
-                    (function read() {
-                        reader
-                            .read()
-                            .then(({ done, value }) => {
-                                if (done) {
-                                    flv.emit('flvFetchEnd');
-                                    controller.close();
-                                    return;
-                                }
-                                flv.emit('flvFetching', new Uint8Array(value));
-                                controller.enqueue(value);
-                                read();
-                            })
-                            .catch(error => {
-                                throw error;
-                            });
-                    })();
-                },
-                cancel() {
-                    flv.emit('flvFetchCancel');
-                },
-            }),
-        );
-    });
-}
@@ -1,110 +0,0 @@
-import fetchStream from './fetchStream';
-import readFile from './readFile';
-import parseScripTag from './parseScripTag';
-import { mergeTypedArrays, getUint8Sum, bin2String } from '../utils';
-
-export default class FlvParse {
-    constructor(flv) {
-        this.flv = flv;
-        const { url, debug } = flv.options;
-        this.uint8 = new Uint8Array(0);
-        this.index = 0;
-        this.header = null;
-        this.scripTag = null;
-        this.tags = [];
-        this.done = false;
-
-        flv.on('flvFetchStart', () => {
-            if (debug) {
-                console.log('[flv-fetch-start]', url);
-            }
-        });
-
-        flv.on('flvFetchCancel', () => {
-            if (debug) {
-                console.log('[flv-fetch-cancel]');
-            }
-        });
-
-        flv.on('flvFetching', uint8 => {
-            this.uint8 = mergeTypedArrays(this.uint8, uint8);
-            this.parse();
-        });
-
-        flv.on('flvFetchEnd', uint8 => {
-            if (debug) {
-                console.log('[flv-fetch-end]');
-            }
-            this.done = true;
-            if (uint8) {
-                this.uint8 = uint8;
-                this.index = 0;
-                this.header = null;
-                this.scripTag = null;
-                this.tags = [];
-                this.parse();
-            }
-            flv.emit('flvParseDone');
-            if (debug) {
-                console.log('[flv-parse-done]');
-            }
-        });
-
-        if (typeof url === 'string') {
-            fetchStream(flv, url);
-        } else {
-            readFile(flv, url);
-        }
-    }
-
-    parse() {
-        const { debug } = this.flv.options;
-        if (this.uint8.length >= 13 && !this.header) {
-            const header = Object.create(null);
-            header.signature = bin2String(this.read(3));
-            [header.version] = this.read(1);
-            [header.flags] = this.read(1);
-            header.headersize = getUint8Sum(this.read(4));
-            this.header = header;
-            this.read(4);
-            this.flv.emit('flvParseHeader', this.header);
-            if (debug) {
-                console.log('[flv-parse-header]', this.header);
-            }
-        }
-
-        while (this.index < this.uint8.length) {
-            const tag = Object.create(null);
-            [tag.tagType] = this.read(1);
-            tag.dataSize = getUint8Sum(this.read(3));
-            tag.timestamp = this.read(4);
-            tag.streamID = this.read(3);
-            tag.body = this.read(tag.dataSize);
-            this.tags.push(tag);
-            this.read(4);
-
-            switch (tag.tagType) {
-                case 18:
-                    this.scripTag = parseScripTag(tag.body);
-                    this.flv.emit('parseScripTag', this.scripTag);
-                    if (debug) {
-                        console.log('[flv-parse-scrip-tag]', this.scripTag);
-                    }
-                    break;
-                default:
-                    break;
-            }
-
-            this.flv.emit('flvParseTag', tag);
-        }
-    }
-
-    read(length) {
-        const tempUint8 = new Uint8Array(length);
-        for (let i = 0; i < length; i += 1) {
-            tempUint8[i] = this.uint8[this.index];
-            this.index += 1;
-        }
-        return tempUint8;
-    }
-}
@@ -1,104 +0,0 @@
-import { getUint8Sum, readUint8, bin2String, bin2Boolean, bin2Float, errorHandle } from '../utils';
-
-export default function parseScripTag(scripTagBody) {
-    const readScripTag = readUint8(scripTagBody);
-    const metadata = Object.create(null);
-    const amf1 = Object.create(null);
-    const amf2 = Object.create(null);
-
-    [amf1.type] = readScripTag(1);
-    errorHandle(amf1.type === 2, `AMF: [amf1] type expect 2, but got ${amf1.type}`);
-    amf1.size = getUint8Sum(readScripTag(2));
-    amf1.string = bin2String(readScripTag(amf1.size));
-
-    [amf2.type] = readScripTag(1);
-    errorHandle(amf2.type === 8, `AMF: [amf1] type expect 8, but got ${amf2.type}`);
-    amf2.size = getUint8Sum(readScripTag(4));
-    amf2.metaData = Object.create(null);
-
-    function getValue(type) {
-        let value = null;
-        if (type !== undefined) {
-            switch (type) {
-                case 0:
-                    value = bin2Float(readScripTag(8));
-                    break;
-                case 1:
-                    value = bin2Boolean(readScripTag(1)[0]);
-                    break;
-                case 2: {
-                    const valueLength = getUint8Sum(readScripTag(2));
-                    value = bin2String(readScripTag(valueLength));
-                    break;
-                }
-                case 3: {
-                    value = Object.create(null);
-                    let endObject = false;
-                    while (!endObject && readScripTag.index < scripTagBody.length) {
-                        const nameLength = getUint8Sum(readScripTag(2));
-                        const name = bin2String(readScripTag(nameLength));
-                        const type = readScripTag(1)[0];
-                        if (name) {
-                            value[name] = getValue(type);
-                        }
-                        if (type === 9) {
-                            endObject = true;
-                        }
-                    }
-                    break;
-                }
-                case 8: {
-                    value = Object.create(null);
-                    let endArray = false;
-                    while (!endArray && readScripTag.index < scripTagBody.length) {
-                        const nameLength = getUint8Sum(readScripTag(2));
-                        const name = bin2String(readScripTag(nameLength));
-                        const type = readScripTag(1)[0];
-                        if (name) {
-                            value[name] = getValue(type);
-                        }
-                        if (type === 9) {
-                            endArray = true;
-                        }
-                    }
-                    break;
-                }
-                case 10: {
-                    const valueLength = getUint8Sum(readScripTag(4));
-                    value = [];
-                    for (let index = 0; index < valueLength; index += 1) {
-                        const itemType = readScripTag(1)[0];
-                        value.push(getValue(itemType));
-                    }
-                    break;
-                }
-                case 12: {
-                    const valueLength = getUint8Sum(readScripTag(4));
-                    value = bin2String(readScripTag(valueLength));
-                    break;
-                }
-                default:
-                    console.log(readScripTag(scripTagBody.length - readScripTag.index - 1));
-                    errorHandle(false, `AMF: Unknown metaData type: ${type}`);
-                    break;
-            }
-        }
-        return value;
-    }
-
-    while (readScripTag.index < scripTagBody.length) {
-        const nameLength = getUint8Sum(readScripTag(2));
-        const name = bin2String(readScripTag(nameLength));
-        const type = readScripTag(1)[0];
-        if (name) {
-            amf2.metaData[name] = getValue(type);
-        }
-    }
-
-    errorHandle(readScripTag.index === scripTagBody.length, 'AMF: Seems to be incompletely parsed');
-    errorHandle(amf2.size === Object.keys(amf2.metaData).length, 'AMF: [amf2] length does not match');
-
-    metadata.amf1 = amf1;
-    metadata.amf2 = amf2;
-    return metadata;
-}
@@ -1,11 +0,0 @@
-export default function readFile(flv, file) {
-    flv.emit('flvFetchStart');
-    const { proxy } = flv.events;
-    const reader = new FileReader();
-    proxy(reader, 'load', e => {
-        const buffer = e.target.result;
-        const uint8 = new Uint8Array(buffer);
-        flv.emit('flvFetchEnd', uint8);
-    });
-    reader.readAsArrayBuffer(file);
-}
@@ -1,58 +0,0 @@
-import Emitter from 'tiny-emitter';
-import checkSupport from './utils/checkSupport';
-import EventProxy from './eventProxy';
-import CreatWorker from './creatWorker';
-import CreatMediaSource from './creatMediaSource';
-import FlvParse from './flvParse';
-import * as utils from './utils';
-import config from './config';
-
-let id = 0;
-class Flv extends Emitter {
-    constructor(options) {
-        super();
-        this.options = Object.assign({}, Flv.DEFAULTS, options);
-        checkSupport(this.options);
-        this.events = new EventProxy(this);
-        this.workers = new CreatWorker(this);
-        this.mediaSource = new CreatMediaSource(this);
-        this.flvData = new FlvParse(this);
-        id += 1;
-        this.id = id;
-        Flv.instances.push(this);
-    }
-
-    static get DEFAULTS() {
-        return {
-            mediaElement: '',
-            url: '',
-            debug: false,
-        };
-    }
-
-    static get version() {
-        return '__VERSION__';
-    }
-
-    static get config() {
-        return config;
-    }
-
-    static get utils() {
-        return utils;
-    }
-
-    destroy() {
-        this.events.destroy();
-        this.workers.killAll();
-        Flv.instances.splice(Flv.instances.indexOf(this), 1);
-        this.emit('destroy');
-    }
-}
-
-Object.defineProperty(Flv, 'instances', {
-    value: [],
-});
-
-window.Flv = Flv;
-export default Flv;
@@ -1,24 +0,0 @@
-import { errorHandle } from '.';
-
-export default function checkSupport(options) {
-    const { mediaElement, url } = options;
-    errorHandle(mediaElement instanceof HTMLVideoElement, 'The first parameter is not a video tag element');
-    errorHandle(
-        typeof url === 'string' || (url instanceof File && url.type === 'video/x-flv'),
-        'The second parameter is not a string type or flv file',
-    );
-
-    const MP4H264MimeCodec = 'video/mp4; codecs="avc1.42001E, mp4a.40.2"';
-    const canPlay = mediaElement.canPlayType(MP4H264MimeCodec);
-    errorHandle(
-        window.MediaSource &&
-            window.MediaSource.isTypeSupported(MP4H264MimeCodec) &&
-            (canPlay === 'probably' || canPlay === 'maybe'),
-        `Unsupported MIME type or codec: ${MP4H264MimeCodec}`,
-    );
-
-    errorHandle(typeof window.Promise === 'function', "Unsupported 'Promise' method");
-    errorHandle(typeof window.fetch === 'function', "Unsupported 'fetch' method");
-    errorHandle(typeof window.Worker === 'function', "Unsupported 'Worker' method");
-    errorHandle(typeof window.ReadableStream === 'function', "Unsupported 'ReadableStream' method");
-}
@@ -1,9 +0,0 @@
-export default class FlvError extends Error {
-    constructor(message, context) {
-        super(message);
-        if (typeof Error.captureStackTrace === 'function') {
-            Error.captureStackTrace(this, context || this.constructor);
-        }
-        this.name = 'FlvError';
-    }
-} 
@@ -1,63 +0,0 @@
-import FlvError from './flvError';
-
-export function errorHandle(condition, msg) {
-    if (!condition) {
-        throw new FlvError(msg);
-    }
-}
-
-export function mergeTypedArrays(a, b) {
-    const c = new a.constructor(a.length + b.length);
-    c.set(a);
-    c.set(b, a.length);
-    return c;
-}
-
-export function sleep(ms = 0) {
-    return new Promise(resolve => setTimeout(resolve, ms));
-}
-
-export function getUint8Sum(arr) {
-    return arr.reduce((totle, num, index) => totle + num * 256 ** (arr.length - index - 1), 0);
-}
-
-export function string2Bin(str) {
-    const result = [];
-    for (let i = 0; i < str.length; i += 1) {
-        result.push(Number(str.charCodeAt(i).toString(10)));
-    }
-    return result;
-}
-
-export function bin2String(array) {
-    return String.fromCharCode.call(String, ...array);
-}
-
-export function bin2Float(array) {
-    const view = new DataView(new ArrayBuffer(array.length));
-    array.forEach((b, i) => {
-        view.setUint8(i, b);
-    });
-    return view.getFloat64(0);
-}
-
-export function bin2Boolean(bin) {
-    return bin === 1;
-}
-
-export function log(name, msg = '') {
-    console.log(`[${name}] ${msg}`);
-}
-
-export function readUint8(uint8) {
-    let index = 0;
-    return function read(length) {
-        const tempUint8 = new Uint8Array(length);
-        for (let i = 0; i < length; i += 1) {
-            tempUint8[i] = uint8[index];
-            index += 1;
-        }
-        read.index = index;
-        return tempUint8;
-    };
-}