From 32b2f4792a75faf8c5b9398affeb5de9bbc03d5d Mon Sep 17 00:00:00 2001 From: Harvey Zack Date: Fri, 21 Dec 2018 14:30:38 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96amf=E8=A7=A3=E6=9E=90?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/flv/css/common.css | 1 + docs/flv/js/common.js | 1 + docs/uncompiled/artplayer-plugin-flv.js | 215 +++++++++++------- docs/uncompiled/artplayer-plugin-flv.js.map | 2 +- .../src/flvParse/fetchStream.js | 2 +- .../src/flvParse/getMetaData.js | 17 +- .../src/flvParse/index.js | 60 +++-- packages/artplayer-plugin-flv/src/index.js | 1 + .../artplayer-plugin-flv/src/utils/index.js | 10 +- 9 files changed, 190 insertions(+), 119 deletions(-) diff --git a/docs/flv/css/common.css b/docs/flv/css/common.css index 03456e440..fad85d5d0 100644 --- a/docs/flv/css/common.css +++ b/docs/flv/css/common.css @@ -28,6 +28,7 @@ body, } .part-top .artplayer { + opacity: 0; width: 500px; height: 300px; background: #fff; diff --git a/docs/flv/js/common.js b/docs/flv/js/common.js index c7a90f9fb..5dd67a6cd 100644 --- a/docs/flv/js/common.js +++ b/docs/flv/js/common.js @@ -32,6 +32,7 @@ var flv = new Flv({ mediaElement: video, url: file instanceof File ? file : url, + debug: true, }); this.on('destroy', () => { diff --git a/docs/uncompiled/artplayer-plugin-flv.js b/docs/uncompiled/artplayer-plugin-flv.js index d73f06460..accf3dcd6 100644 --- a/docs/uncompiled/artplayer-plugin-flv.js +++ b/docs/uncompiled/artplayer-plugin-flv.js @@ -346,18 +346,22 @@ function bin2Boolean(bin) { return bin === 1; } + function log(name) { + var msg = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : ''; + console.log("[".concat(name, "] ").concat(msg)); + } function readUint8(uint8) { var index = 0; return function read(length) { - var result = []; + var tempUint8 = new Uint8Array(length); for (var i = 0; i < length; i += 1) { - result.push(uint8[index]); + tempUint8[i] = uint8[index]; index += 1; } read.index = index; - return result; + return tempUint8; }; } @@ -371,6 +375,7 @@ bin2String: bin2String, bin2Float: bin2Float, bin2Boolean: bin2Boolean, + log: log, readUint8: readUint8 }); @@ -565,61 +570,6 @@ return CreatMediaSource; }(); - function fetchStream(flv, url) { - flv.emit('flvFetchStart'); - fetch(url).then(function (response) { - errorHandle(response.ok && response.status >= 200 && response.status <= 299, "".concat(response.status, " ").concat(response.statusText)); - var 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: function start(controller) { - var reader = response.body.getReader(); - flv.on('destroy', function () { - reader.cancel(); - }); - flv.on('readerCancel', function () { - reader.cancel(); - }); - - (function read() { - reader.read().then(function (_ref) { - var done = _ref.done, - value = _ref.value; - - if (done) { - flv.emit('flvFetchEnd'); - controller.close(); - return; - } - - flv.emit('flvFetching', new Uint8Array(value)); - controller.enqueue(value); - read(); - }).catch(function (error) { - flv.emit('flvFetchError', error); - }); - })(); - }, - cancel: function cancel() { - flv.emit('flvFetchCancel'); - } - })); - }); - } - - function readFile(flv, file) { - console.log(file); - flv.emit('flvFetchStart'); - var proxy = flv.events.proxy; - var reader = new FileReader(); - proxy(reader, 'load', function (e) { - var buffer = e.target.result; - var uint8 = new Uint8Array(buffer); - flv.emit('flvFetchEnd', uint8); - }); - reader.readAsArrayBuffer(file); - } - function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; } @@ -666,6 +616,61 @@ var slicedToArray = _slicedToArray; + function fetchStream(flv, url) { + flv.emit('flvFetchStart'); + fetch(url).then(function (response) { + errorHandle(response.ok && response.status >= 200 && response.status <= 299, "".concat(response.status, " ").concat(response.statusText)); + var 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: function start(controller) { + var reader = response.body.getReader(); + flv.on('destroy', function () { + reader.cancel(); + }); + flv.on('readerCancel', function () { + reader.cancel(); + }); + + (function read() { + reader.read().then(function (_ref) { + var done = _ref.done, + value = _ref.value; + + if (done) { + flv.emit('flvFetchEnd'); + controller.close(); + return; + } + + flv.emit('flvFetching', new Uint8Array(value)); + controller.enqueue(value); + read(); + }).catch(function (error) { + throw error; + }); + })(); + }, + cancel: function cancel() { + flv.emit('flvFetchCancel'); + } + })); + }); + } + + function readFile(flv, file) { + console.log(file); + flv.emit('flvFetchStart'); + var proxy = flv.events.proxy; + var reader = new FileReader(); + proxy(reader, 'load', function (e) { + var buffer = e.target.result; + var uint8 = new Uint8Array(buffer); + flv.emit('flvFetchEnd', uint8); + }); + reader.readAsArrayBuffer(file); + } + function getMetaData(scripTag) { var readScripTag = readUint8(scripTag.body); var metadata = Object.create(null); @@ -677,6 +682,7 @@ var _readScripTag2 = slicedToArray(_readScripTag, 1); amf1.type = _readScripTag2[0]; + errorHandle(amf1.type === 2, "AMF: [amf1] type expect 2, but got ".concat(amf1.type)); amf1.size = getUint8Sum(readScripTag(2)); amf1.string = bin2String(readScripTag(amf1.size)); @@ -685,6 +691,7 @@ var _readScripTag4 = slicedToArray(_readScripTag3, 1); amf2.type = _readScripTag4[0]; + errorHandle(amf2.type === 8, "AMF: [amf1] type expect 8, but got ".concat(amf2.type)); amf2.size = getUint8Sum(readScripTag(4)); amf2.metaData = Object.create(null); @@ -733,9 +740,9 @@ case 8: { value = Object.create(null); - var _endObject = false; + var endArray = false; - while (!_endObject && readScripTag.index < scripTag.body.length) { + while (!endArray && readScripTag.index < scripTag.body.length) { var _nameLength = getUint8Sum(readScripTag(2)); var _name = bin2String(readScripTag(_nameLength)); @@ -747,7 +754,7 @@ } if (_type2 === 9) { - _endObject = true; + endArray = true; } } @@ -777,7 +784,7 @@ } default: - console.warn("AMF: Unknown metaData type: ".concat(type, " in ").concat(readScripTag.index - 1)); + errorHandle(false, "AMF: Unknown metaData type: ".concat(type)); break; } } @@ -795,6 +802,8 @@ } } + errorHandle(readScripTag.index === scripTag.body.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; @@ -809,7 +818,9 @@ classCallCheck(this, FlvParse); this.flv = flv; - var url = flv.options.url; + var _flv$options = flv.options, + url = _flv$options.url, + debug = _flv$options.debug; this.uint8 = new Uint8Array(0); this.index = 0; this.header = null; @@ -817,13 +828,14 @@ this.tags = []; this.done = false; flv.on('flvFetchStart', function () { - console.log('[flv-fetch-start]'); + if (debug) { + console.log('[flv-fetch-start]', url); + } }); flv.on('flvFetchCancel', function () { - console.log('[flv-fetch-cancel]'); - }); - flv.on('flvFetchError', function (error) { - console.log('[flv-fetch-error]', error); + if (debug) { + console.log('[flv-fetch-cancel]'); + } }); flv.on('flvFetching', function (uint8) { _this.uint8 = mergeTypedArrays(_this.uint8, uint8); @@ -831,7 +843,10 @@ _this.parse(); }); flv.on('flvFetchEnd', function (uint8) { - console.log('[flv-fetch-end]'); + if (debug) { + console.log('[flv-fetch-end]'); + } + _this.done = true; if (uint8) { @@ -844,7 +859,11 @@ _this.parse(); } - flv.emit('parseDone'); + flv.emit('flvParseDone'); + + if (debug) { + console.log('[flv-parse-done]'); + } }); if (typeof url === 'string') { @@ -857,43 +876,68 @@ createClass(FlvParse, [{ key: "parse", value: function parse() { + var debug = this.flv.options.debug; + if (this.uint8.length >= 13 && !this.header) { var header = Object.create(null); - header.signature = this.read(3); - header.version = this.read(1); - header.flags = this.read(1); - header.headersize = this.read(4); + header.signature = bin2String(this.read(3)); + + var _this$read = this.read(1); + + var _this$read2 = slicedToArray(_this$read, 1); + + header.version = _this$read2[0]; + + var _this$read3 = this.read(1); + + var _this$read4 = slicedToArray(_this$read3, 1); + + header.flags = _this$read4[0]; + header.headersize = getUint8Sum(this.read(4)); this.header = header; this.read(4); - this.flv.emit('parseHeader', this.header); - console.log(this.header); + this.flv.emit('flvParseHeader', this.header); + + if (debug) { + console.log('[flv-parse-header]', this.header); + } } while (this.index < this.uint8.length) { var tag = Object.create(null); - tag.tagType = this.read(1); - tag.dataSize = this.read(3); + + var _this$read5 = this.read(1); + + var _this$read6 = slicedToArray(_this$read5, 1); + + tag.tagType = _this$read6[0]; + tag.dataSize = getUint8Sum(this.read(3)); tag.timestamp = this.read(4); tag.streamID = this.read(3); - tag.body = this.read(getUint8Sum(tag.dataSize)); + tag.body = this.read(tag.dataSize); this.tags.push(tag); this.read(4); - this.flv.emit('parseTag', tag); + this.flv.emit('flvParseTag', tag); } - if (this.tags.length > 1 && this.tags[0].tagType[0] === 18 && !this.metadata) { + this.flv.emit('flvParseTags', this.tags); + + if (this.tags.length > 1 && this.tags[0].tagType === 18 && !this.metadata) { this.metadata = getMetaData(this.tags[0]); this.flv.emit('parseMetadata', this.metadata); - console.log(this.metadata); + + if (debug) { + console.log('[flv-parse-metadata]', this.metadata); + } } } }, { key: "read", value: function read(length) { - var tempUint8 = []; + var tempUint8 = new Uint8Array(length); for (var i = 0; i < length; i += 1) { - tempUint8.push(this.uint8[this.index]); + tempUint8[i] = this.uint8[this.index]; this.index += 1; } @@ -942,7 +986,8 @@ get: function get() { return { mediaElement: '', - url: '' + url: '', + debug: false }; } }, { diff --git a/docs/uncompiled/artplayer-plugin-flv.js.map b/docs/uncompiled/artplayer-plugin-flv.js.map index 1187ee0f4..67493411a 100644 --- a/docs/uncompiled/artplayer-plugin-flv.js.map +++ b/docs/uncompiled/artplayer-plugin-flv.js.map @@ -1 +1 @@ -{"version":3,"file":"artplayer-plugin-flv.js","sources":["../../node_modules/@babel/runtime/helpers/classCallCheck.js","../../node_modules/@babel/runtime/helpers/createClass.js","../../node_modules/@babel/runtime/helpers/typeof.js","../../node_modules/@babel/runtime/helpers/assertThisInitialized.js","../../node_modules/@babel/runtime/helpers/possibleConstructorReturn.js","../../node_modules/@babel/runtime/helpers/getPrototypeOf.js","../../node_modules/@babel/runtime/helpers/setPrototypeOf.js","../../node_modules/@babel/runtime/helpers/inherits.js","../../packages/artplayer-plugin-flv/node_modules/tiny-emitter/index.js","../../node_modules/@babel/runtime/helpers/arrayWithoutHoles.js","../../node_modules/@babel/runtime/helpers/iterableToArray.js","../../node_modules/@babel/runtime/helpers/nonIterableSpread.js","../../node_modules/@babel/runtime/helpers/toConsumableArray.js","../../node_modules/@babel/runtime/helpers/isNativeFunction.js","../../node_modules/@babel/runtime/helpers/construct.js","../../node_modules/@babel/runtime/helpers/wrapNativeSuper.js","../../packages/artplayer-plugin-flv/src/utils/index.js","../../packages/artplayer-plugin-flv/src/utils/checkSupport.js","../../packages/artplayer-plugin-flv/src/eventProxy.js","../../packages/artplayer-plugin-flv/src/creatWorker.js","../../packages/artplayer-plugin-flv/src/config.js","../../packages/artplayer-plugin-flv/src/creatMediaSource.js","../../packages/artplayer-plugin-flv/src/flvParse/fetchStream.js","../../packages/artplayer-plugin-flv/src/flvParse/readFile.js","../../node_modules/@babel/runtime/helpers/arrayWithHoles.js","../../node_modules/@babel/runtime/helpers/iterableToArrayLimit.js","../../node_modules/@babel/runtime/helpers/nonIterableRest.js","../../node_modules/@babel/runtime/helpers/slicedToArray.js","../../packages/artplayer-plugin-flv/src/flvParse/getMetaData.js","../../packages/artplayer-plugin-flv/src/flvParse/index.js","../../packages/artplayer-plugin-flv/src/index.js"],"sourcesContent":["function _classCallCheck(instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n}\n\nmodule.exports = _classCallCheck;","function _defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, descriptor.key, descriptor);\n }\n}\n\nfunction _createClass(Constructor, protoProps, staticProps) {\n if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n if (staticProps) _defineProperties(Constructor, staticProps);\n return Constructor;\n}\n\nmodule.exports = _createClass;","function _typeof2(obj) { if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof2 = function _typeof2(obj) { return typeof obj; }; } else { _typeof2 = function _typeof2(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof2(obj); }\n\nfunction _typeof(obj) {\n if (typeof Symbol === \"function\" && _typeof2(Symbol.iterator) === \"symbol\") {\n module.exports = _typeof = function _typeof(obj) {\n return _typeof2(obj);\n };\n } else {\n module.exports = _typeof = function _typeof(obj) {\n return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : _typeof2(obj);\n };\n }\n\n return _typeof(obj);\n}\n\nmodule.exports = _typeof;","function _assertThisInitialized(self) {\n if (self === void 0) {\n throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n }\n\n return self;\n}\n\nmodule.exports = _assertThisInitialized;","var _typeof = require(\"../helpers/typeof\");\n\nvar assertThisInitialized = require(\"./assertThisInitialized\");\n\nfunction _possibleConstructorReturn(self, call) {\n if (call && (_typeof(call) === \"object\" || typeof call === \"function\")) {\n return call;\n }\n\n return assertThisInitialized(self);\n}\n\nmodule.exports = _possibleConstructorReturn;","function _getPrototypeOf(o) {\n module.exports = _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {\n return o.__proto__ || Object.getPrototypeOf(o);\n };\n return _getPrototypeOf(o);\n}\n\nmodule.exports = _getPrototypeOf;","function _setPrototypeOf(o, p) {\n module.exports = _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {\n o.__proto__ = p;\n return o;\n };\n\n return _setPrototypeOf(o, p);\n}\n\nmodule.exports = _setPrototypeOf;","var setPrototypeOf = require(\"./setPrototypeOf\");\n\nfunction _inherits(subClass, superClass) {\n if (typeof superClass !== \"function\" && superClass !== null) {\n throw new TypeError(\"Super expression must either be null or a function\");\n }\n\n subClass.prototype = Object.create(superClass && superClass.prototype, {\n constructor: {\n value: subClass,\n writable: true,\n configurable: true\n }\n });\n if (superClass) setPrototypeOf(subClass, superClass);\n}\n\nmodule.exports = _inherits;","function E () {\n // Keep this empty so it's easier to inherit from\n // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n on: function (name, callback, ctx) {\n var e = this.e || (this.e = {});\n\n (e[name] || (e[name] = [])).push({\n fn: callback,\n ctx: ctx\n });\n\n return this;\n },\n\n once: function (name, callback, ctx) {\n var self = this;\n function listener () {\n self.off(name, listener);\n callback.apply(ctx, arguments);\n };\n\n listener._ = callback\n return this.on(name, listener, ctx);\n },\n\n emit: function (name) {\n var data = [].slice.call(arguments, 1);\n var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n var i = 0;\n var len = evtArr.length;\n\n for (i; i < len; i++) {\n evtArr[i].fn.apply(evtArr[i].ctx, data);\n }\n\n return this;\n },\n\n off: function (name, callback) {\n var e = this.e || (this.e = {});\n var evts = e[name];\n var liveEvents = [];\n\n if (evts && callback) {\n for (var i = 0, len = evts.length; i < len; i++) {\n if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n liveEvents.push(evts[i]);\n }\n }\n\n // Remove event from queue to prevent memory leak\n // Suggested by https://github.com/lazd\n // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n (liveEvents.length)\n ? e[name] = liveEvents\n : delete e[name];\n\n return this;\n }\n};\n\nmodule.exports = E;\n","function _arrayWithoutHoles(arr) {\n if (Array.isArray(arr)) {\n for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) {\n arr2[i] = arr[i];\n }\n\n return arr2;\n }\n}\n\nmodule.exports = _arrayWithoutHoles;","function _iterableToArray(iter) {\n if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === \"[object Arguments]\") return Array.from(iter);\n}\n\nmodule.exports = _iterableToArray;","function _nonIterableSpread() {\n throw new TypeError(\"Invalid attempt to spread non-iterable instance\");\n}\n\nmodule.exports = _nonIterableSpread;","var arrayWithoutHoles = require(\"./arrayWithoutHoles\");\n\nvar iterableToArray = require(\"./iterableToArray\");\n\nvar nonIterableSpread = require(\"./nonIterableSpread\");\n\nfunction _toConsumableArray(arr) {\n return arrayWithoutHoles(arr) || iterableToArray(arr) || nonIterableSpread();\n}\n\nmodule.exports = _toConsumableArray;","function _isNativeFunction(fn) {\n return Function.toString.call(fn).indexOf(\"[native code]\") !== -1;\n}\n\nmodule.exports = _isNativeFunction;","var setPrototypeOf = require(\"./setPrototypeOf\");\n\nfunction isNativeReflectConstruct() {\n if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n if (Reflect.construct.sham) return false;\n if (typeof Proxy === \"function\") return true;\n\n try {\n Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));\n return true;\n } catch (e) {\n return false;\n }\n}\n\nfunction _construct(Parent, args, Class) {\n if (isNativeReflectConstruct()) {\n module.exports = _construct = Reflect.construct;\n } else {\n module.exports = _construct = function _construct(Parent, args, Class) {\n var a = [null];\n a.push.apply(a, args);\n var Constructor = Function.bind.apply(Parent, a);\n var instance = new Constructor();\n if (Class) setPrototypeOf(instance, Class.prototype);\n return instance;\n };\n }\n\n return _construct.apply(null, arguments);\n}\n\nmodule.exports = _construct;","var getPrototypeOf = require(\"./getPrototypeOf\");\n\nvar setPrototypeOf = require(\"./setPrototypeOf\");\n\nvar isNativeFunction = require(\"./isNativeFunction\");\n\nvar construct = require(\"./construct\");\n\nfunction _wrapNativeSuper(Class) {\n var _cache = typeof Map === \"function\" ? new Map() : undefined;\n\n module.exports = _wrapNativeSuper = function _wrapNativeSuper(Class) {\n if (Class === null || !isNativeFunction(Class)) return Class;\n\n if (typeof Class !== \"function\") {\n throw new TypeError(\"Super expression must either be null or a function\");\n }\n\n if (typeof _cache !== \"undefined\") {\n if (_cache.has(Class)) return _cache.get(Class);\n\n _cache.set(Class, Wrapper);\n }\n\n function Wrapper() {\n return construct(Class, arguments, getPrototypeOf(this).constructor);\n }\n\n Wrapper.prototype = Object.create(Class.prototype, {\n constructor: {\n value: Wrapper,\n enumerable: false,\n writable: true,\n configurable: true\n }\n });\n return setPrototypeOf(Wrapper, Class);\n };\n\n return _wrapNativeSuper(Class);\n}\n\nmodule.exports = _wrapNativeSuper;","export class FlvError extends Error {\n constructor(message, context) {\n super(message);\n if (typeof Error.captureStackTrace === 'function') {\n Error.captureStackTrace(this, context || this.constructor);\n }\n this.name = 'FlvError';\n }\n}\n\nexport function errorHandle(condition, msg) {\n if (!condition) {\n throw new FlvError(msg);\n }\n}\n\nexport function mergeTypedArrays(a, b) {\n const c = new a.constructor(a.length + b.length);\n c.set(a);\n c.set(b, a.length);\n return c;\n}\n\nexport function sleep(ms = 0) {\n return new Promise(resolve => setTimeout(resolve, ms));\n}\n\nexport function getUint8Sum(arr) {\n return arr.reduce((totle, num, index) => totle + num * 256 ** (arr.length - index - 1), 0);\n}\n\nexport function string2Bin(str) {\n const result = [];\n for (let i = 0; i < str.length; i += 1) {\n result.push(Number(str.charCodeAt(i).toString(10)));\n }\n return result;\n}\n\nexport function bin2String(array) {\n return String.fromCharCode.call(String, ...array);\n}\n\nexport function bin2Float(array) {\n const view = new DataView(new ArrayBuffer(array.length));\n array.forEach((b, i) => {\n view.setUint8(i, b);\n });\n return view.getFloat64(0);\n}\n\nexport function bin2Boolean(bin) {\n return bin === 1;\n}\n\nexport function readUint8(uint8) {\n let index = 0;\n return function read(length) {\n const result = [];\n for (let i = 0; i < length; i += 1) {\n result.push(uint8[index]);\n index += 1;\n }\n read.index = index;\n return result;\n };\n}\n","import { errorHandle } from '.';\n\nexport default function checkSupport(options) {\n const { mediaElement, url } = options;\n errorHandle(mediaElement instanceof HTMLVideoElement, 'The first parameter is not a video tag element');\n errorHandle(\n typeof url === 'string' || (url instanceof File && url.type === 'video/x-flv'),\n 'The second parameter is not a string type or flv file',\n );\n\n const MP4H264MimeCodec = 'video/mp4; codecs=\"avc1.42001E, mp4a.40.2\"';\n const canPlay = mediaElement.canPlayType(MP4H264MimeCodec);\n errorHandle(\n window.MediaSource &&\n window.MediaSource.isTypeSupported(MP4H264MimeCodec) &&\n (canPlay === 'probably' || canPlay === 'maybe'),\n `Unsupported MIME type or codec: ${MP4H264MimeCodec}`,\n );\n\n errorHandle(typeof window.Promise === 'function', \"Unsupported 'Promise' method\");\n errorHandle(typeof window.fetch === 'function', \"Unsupported 'fetch' method\");\n errorHandle(typeof window.Worker === 'function', \"Unsupported 'Worker' method\");\n errorHandle(typeof window.ReadableStream === 'function', \"Unsupported 'ReadableStream' method\");\n}\n","export default class EventProxy {\n constructor() {\n this.destroyEvents = [];\n this.proxy = this.proxy.bind(this);\n }\n\n proxy(target, name, callback, option = {}) {\n target.addEventListener(name, callback, option);\n this.destroyEvents.push(() => {\n target.removeEventListener(name, callback, option);\n });\n }\n\n destroy() {\n this.destroyEvents.forEach(event => event());\n }\n}","export default class CreatWorker {\n constructor() {\n this.workers = new Map();\n }\n\n static fnToStr(fn) {\n return `\n self.onmessage = event => {\n return self.postMessage((${fn}).apply(null, event.data));\n }\n `;\n }\n\n static create(fn) {\n const blob = new Blob([CreatWorker.fnToStr(fn)], {\n type: 'application/javascript',\n });\n const objectURL = window.URL.createObjectURL(blob);\n const worker = new Worker(objectURL);\n worker.kill = () => {\n URL.revokeObjectURL(objectURL);\n worker.terminate();\n };\n worker.post = args =>\n new Promise((resolve, reject) => {\n worker.onmessage = event => {\n resolve(event.data);\n };\n worker.onerror = error => {\n reject(error);\n };\n worker.postMessage(args);\n });\n return worker;\n }\n\n add(name, fn) {\n if (!this.workers.has(name)) {\n this.workers.set(name, CreatWorker.create(fn));\n }\n }\n\n run(name, ...args) {\n const worker = this.workers.get(name);\n return worker.post(args);\n }\n\n kill(name) {\n const worker = this.workers.get(name);\n worker.kill();\n }\n\n killAll() {\n this.workers.forEach(worker => {\n worker.kill();\n });\n }\n}\n","export default {\n mediaSource: {\n propertys: [\n 'activeSourceBuffers',\n 'duration',\n 'readyState',\n 'sourceBuffers',\n ],\n methods: [\n 'addSourceBuffer',\n 'endOfStream',\n 'removeSourceBuffer',\n 'clearLiveSeekableRange',\n 'setLiveSeekableRange',\n ],\n events: [\n 'sourceclose',\n 'sourceended',\n 'sourceopen',\n ],\n },\n sourceBuffer: {\n propertys: [\n 'mode',\n 'updating',\n 'buffered',\n 'timestampOffset',\n 'audioTracks',\n 'videoTracks',\n 'textTracks',\n 'appendWindowStart',\n 'appendWindowEnd',\n 'trackDefaults',\n ],\n methods: [\n 'appendBuffer',\n 'appendStream',\n 'abort',\n 'remove',\n ],\n events: [\n 'abort',\n 'error',\n 'update',\n 'updateend',\n 'updatestart',\n ],\n },\n sourceBufferList: {\n propertys: [\n 'length',\n ],\n events: [\n 'addsourcebuffer',\n 'removesourcebuffer',\n ],\n },\n};\n","import config from './config';\n\nexport default class CreatMediaSource {\n constructor(flv) {\n this.flv = flv;\n this.creatUrl();\n this.eventBind();\n }\n\n creatUrl() {\n const {\n options: { mediaElement },\n events: { destroyEvents },\n } = this.flv;\n this.mediaSource = new MediaSource();\n const url = URL.createObjectURL(this.mediaSource);\n destroyEvents.push(() => {\n URL.revokeObjectURL(url);\n });\n mediaElement.src = url;\n }\n\n eventBind() {\n const {\n events: { proxy },\n } = this.flv;\n\n config.mediaSource.events.forEach(eventName => {\n proxy(this.mediaSource, eventName, event => {\n this.flv.emit(`mediaSource:${event.type}`, event);\n });\n });\n\n config.sourceBufferList.events.forEach(eventName => {\n proxy(this.mediaSource.sourceBuffers, eventName, event => {\n this.flv.emit(`sourceBuffers:${event.type}`, event);\n });\n proxy(this.mediaSource.activeSourceBuffers, eventName, event => {\n this.flv.emit(`activeSourceBuffers:${event.type}`, event);\n });\n });\n }\n}\n","import { errorHandle } from '../utils';\n\nexport default function fetchStream(flv, url) {\n flv.emit('flvFetchStart');\n fetch(url).then(response => {\n errorHandle(\n response.ok && response.status >= 200 && response.status <= 299,\n `${response.status} ${response.statusText}`,\n );\n const contentType = response.headers.get('content-type');\n errorHandle(contentType.includes('x-flv'), 'The resource does not seem to be a flv file');\n return new Response(\n new ReadableStream({\n start(controller) {\n const reader = response.body.getReader();\n\n flv.on('destroy', () => {\n reader.cancel();\n });\n\n flv.on('readerCancel', () => {\n reader.cancel();\n });\n\n (function read() {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n flv.emit('flvFetchEnd');\n controller.close();\n return;\n }\n flv.emit('flvFetching', new Uint8Array(value));\n controller.enqueue(value);\n read();\n })\n .catch(error => {\n flv.emit('flvFetchError', error);\n });\n })();\n },\n cancel() {\n flv.emit('flvFetchCancel');\n },\n }),\n );\n });\n}\n","export default function readFile(flv, file) {\n console.log(file);\n flv.emit('flvFetchStart');\n const { proxy } = flv.events;\n const reader = new FileReader();\n proxy(reader, 'load', e => {\n const buffer = e.target.result;\n const uint8 = new Uint8Array(buffer);\n flv.emit('flvFetchEnd', uint8);\n });\n reader.readAsArrayBuffer(file);\n}\n","function _arrayWithHoles(arr) {\n if (Array.isArray(arr)) return arr;\n}\n\nmodule.exports = _arrayWithHoles;","function _iterableToArrayLimit(arr, i) {\n var _arr = [];\n var _n = true;\n var _d = false;\n var _e = undefined;\n\n try {\n for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {\n _arr.push(_s.value);\n\n if (i && _arr.length === i) break;\n }\n } catch (err) {\n _d = true;\n _e = err;\n } finally {\n try {\n if (!_n && _i[\"return\"] != null) _i[\"return\"]();\n } finally {\n if (_d) throw _e;\n }\n }\n\n return _arr;\n}\n\nmodule.exports = _iterableToArrayLimit;","function _nonIterableRest() {\n throw new TypeError(\"Invalid attempt to destructure non-iterable instance\");\n}\n\nmodule.exports = _nonIterableRest;","var arrayWithHoles = require(\"./arrayWithHoles\");\n\nvar iterableToArrayLimit = require(\"./iterableToArrayLimit\");\n\nvar nonIterableRest = require(\"./nonIterableRest\");\n\nfunction _slicedToArray(arr, i) {\n return arrayWithHoles(arr) || iterableToArrayLimit(arr, i) || 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endObject = false;\n while (!endObject && readScripTag.index < scripTag.body.length) {\n const nameLength = getUint8Sum(readScripTag(2));\n const name = bin2String(readScripTag(nameLength));\n const type = readScripTag(1)[0];\n if (name) {\n value[name] = getValue(type);\n }\n if (type === 9) {\n endObject = true;\n }\n }\n break;\n }\n case 8: {\n value = Object.create(null);\n let endObject = false;\n while (!endObject && readScripTag.index < scripTag.body.length) {\n const nameLength = getUint8Sum(readScripTag(2));\n const name = bin2String(readScripTag(nameLength));\n const type = readScripTag(1)[0];\n if (name) {\n value[name] = getValue(type);\n }\n if (type === 9) {\n endObject = true;\n }\n }\n break;\n }\n case 10: {\n const valueLength = getUint8Sum(readScripTag(4));\n value = [];\n for (let index = 0; index < valueLength; index += 1) {\n const itemType = readScripTag(1)[0];\n value.push(getValue(itemType));\n }\n break;\n }\n case 12: {\n const valueLength = 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&& evts[i].fn._ !== callback)\n liveEvents.push(evts[i]);\n }\n }\n\n // Remove event from queue to prevent memory leak\n // Suggested by https://github.com/lazd\n // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n (liveEvents.length)\n ? e[name] = liveEvents\n : delete e[name];\n\n return this;\n }\n};\n\nmodule.exports = E;\n","function _arrayWithoutHoles(arr) {\n if (Array.isArray(arr)) {\n for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) {\n arr2[i] = arr[i];\n }\n\n return arr2;\n }\n}\n\nmodule.exports = _arrayWithoutHoles;","function _iterableToArray(iter) {\n if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === \"[object Arguments]\") return Array.from(iter);\n}\n\nmodule.exports = _iterableToArray;","function _nonIterableSpread() {\n throw new TypeError(\"Invalid attempt to spread non-iterable instance\");\n}\n\nmodule.exports = _nonIterableSpread;","var arrayWithoutHoles = require(\"./arrayWithoutHoles\");\n\nvar iterableToArray = require(\"./iterableToArray\");\n\nvar nonIterableSpread = require(\"./nonIterableSpread\");\n\nfunction _toConsumableArray(arr) {\n return arrayWithoutHoles(arr) || iterableToArray(arr) || nonIterableSpread();\n}\n\nmodule.exports = _toConsumableArray;","function _isNativeFunction(fn) {\n return Function.toString.call(fn).indexOf(\"[native code]\") !== -1;\n}\n\nmodule.exports = _isNativeFunction;","var setPrototypeOf = require(\"./setPrototypeOf\");\n\nfunction isNativeReflectConstruct() {\n if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n if (Reflect.construct.sham) return false;\n if (typeof Proxy === \"function\") return true;\n\n try {\n Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));\n return true;\n } catch (e) {\n return false;\n }\n}\n\nfunction _construct(Parent, args, Class) {\n if (isNativeReflectConstruct()) {\n module.exports = _construct = Reflect.construct;\n } else {\n module.exports = _construct = function _construct(Parent, args, Class) {\n var a = [null];\n a.push.apply(a, args);\n var Constructor = Function.bind.apply(Parent, a);\n var instance = new Constructor();\n if (Class) setPrototypeOf(instance, Class.prototype);\n return instance;\n };\n }\n\n return _construct.apply(null, arguments);\n}\n\nmodule.exports = _construct;","var getPrototypeOf = require(\"./getPrototypeOf\");\n\nvar setPrototypeOf = require(\"./setPrototypeOf\");\n\nvar isNativeFunction = require(\"./isNativeFunction\");\n\nvar construct = require(\"./construct\");\n\nfunction _wrapNativeSuper(Class) {\n var _cache = typeof Map === \"function\" ? new Map() : undefined;\n\n module.exports = _wrapNativeSuper = function _wrapNativeSuper(Class) {\n if (Class === null || !isNativeFunction(Class)) return Class;\n\n if (typeof Class !== \"function\") {\n throw new TypeError(\"Super expression must either be null or a function\");\n }\n\n if (typeof _cache !== \"undefined\") {\n if (_cache.has(Class)) return _cache.get(Class);\n\n _cache.set(Class, Wrapper);\n }\n\n function Wrapper() {\n return construct(Class, arguments, getPrototypeOf(this).constructor);\n }\n\n Wrapper.prototype = Object.create(Class.prototype, {\n constructor: {\n value: Wrapper,\n enumerable: false,\n writable: true,\n configurable: true\n }\n });\n return setPrototypeOf(Wrapper, Class);\n };\n\n return _wrapNativeSuper(Class);\n}\n\nmodule.exports = _wrapNativeSuper;","export class FlvError extends Error {\n constructor(message, context) {\n super(message);\n if (typeof Error.captureStackTrace === 'function') {\n Error.captureStackTrace(this, context || this.constructor);\n }\n this.name = 'FlvError';\n }\n}\n\nexport function errorHandle(condition, msg) {\n if (!condition) {\n throw new FlvError(msg);\n }\n}\n\nexport function mergeTypedArrays(a, b) {\n const c = new a.constructor(a.length + b.length);\n c.set(a);\n c.set(b, a.length);\n return c;\n}\n\nexport function sleep(ms = 0) {\n return new Promise(resolve => setTimeout(resolve, ms));\n}\n\nexport function getUint8Sum(arr) {\n return arr.reduce((totle, num, index) => totle + num * 256 ** (arr.length - index - 1), 0);\n}\n\nexport function string2Bin(str) {\n const result = [];\n for (let i = 0; i < str.length; i += 1) {\n result.push(Number(str.charCodeAt(i).toString(10)));\n }\n return result;\n}\n\nexport function bin2String(array) {\n return String.fromCharCode.call(String, ...array);\n}\n\nexport function bin2Float(array) {\n const view = new DataView(new ArrayBuffer(array.length));\n array.forEach((b, i) => {\n view.setUint8(i, b);\n });\n return view.getFloat64(0);\n}\n\nexport function bin2Boolean(bin) {\n return bin === 1;\n}\n\nexport function log(name, msg = '') {\n console.log(`[${name}] ${msg}`);\n}\n\nexport function readUint8(uint8) {\n let index = 0;\n return function read(length) {\n const tempUint8 = new Uint8Array(length);\n for (let i = 0; i < length; i += 1) {\n tempUint8[i] = uint8[index];\n index += 1;\n }\n read.index = index;\n return tempUint8;\n };\n}\n","import { errorHandle } from '.';\n\nexport default function checkSupport(options) {\n const { mediaElement, url } = options;\n errorHandle(mediaElement instanceof HTMLVideoElement, 'The first parameter is not a video tag element');\n errorHandle(\n typeof url === 'string' || (url instanceof File && url.type === 'video/x-flv'),\n 'The second parameter is not a string type or flv file',\n );\n\n const MP4H264MimeCodec = 'video/mp4; codecs=\"avc1.42001E, mp4a.40.2\"';\n const canPlay = mediaElement.canPlayType(MP4H264MimeCodec);\n errorHandle(\n window.MediaSource &&\n window.MediaSource.isTypeSupported(MP4H264MimeCodec) &&\n (canPlay === 'probably' || canPlay === 'maybe'),\n `Unsupported MIME type or codec: ${MP4H264MimeCodec}`,\n );\n\n errorHandle(typeof window.Promise === 'function', \"Unsupported 'Promise' method\");\n errorHandle(typeof window.fetch === 'function', \"Unsupported 'fetch' method\");\n errorHandle(typeof window.Worker === 'function', \"Unsupported 'Worker' method\");\n errorHandle(typeof window.ReadableStream === 'function', \"Unsupported 'ReadableStream' method\");\n}\n","export default class EventProxy {\n constructor() {\n this.destroyEvents = [];\n this.proxy = this.proxy.bind(this);\n }\n\n proxy(target, name, callback, option = {}) {\n target.addEventListener(name, callback, option);\n this.destroyEvents.push(() => {\n target.removeEventListener(name, callback, option);\n });\n }\n\n destroy() {\n this.destroyEvents.forEach(event => event());\n }\n}","export default class CreatWorker {\n constructor() {\n this.workers = new Map();\n }\n\n static fnToStr(fn) {\n return `\n self.onmessage = event => {\n return self.postMessage((${fn}).apply(null, event.data));\n }\n `;\n }\n\n static create(fn) {\n const blob = new Blob([CreatWorker.fnToStr(fn)], {\n type: 'application/javascript',\n });\n const objectURL = window.URL.createObjectURL(blob);\n const worker = new Worker(objectURL);\n worker.kill = () => {\n URL.revokeObjectURL(objectURL);\n worker.terminate();\n };\n worker.post = args =>\n new Promise((resolve, reject) => {\n worker.onmessage = event => {\n resolve(event.data);\n };\n worker.onerror = error => {\n reject(error);\n };\n worker.postMessage(args);\n });\n return worker;\n }\n\n add(name, fn) {\n if (!this.workers.has(name)) {\n this.workers.set(name, CreatWorker.create(fn));\n }\n }\n\n run(name, ...args) {\n const worker = this.workers.get(name);\n return worker.post(args);\n }\n\n kill(name) {\n const worker = this.workers.get(name);\n worker.kill();\n }\n\n killAll() {\n this.workers.forEach(worker => {\n worker.kill();\n });\n }\n}\n","export default {\n mediaSource: {\n propertys: [\n 'activeSourceBuffers',\n 'duration',\n 'readyState',\n 'sourceBuffers',\n ],\n methods: [\n 'addSourceBuffer',\n 'endOfStream',\n 'removeSourceBuffer',\n 'clearLiveSeekableRange',\n 'setLiveSeekableRange',\n ],\n events: [\n 'sourceclose',\n 'sourceended',\n 'sourceopen',\n ],\n },\n sourceBuffer: {\n propertys: [\n 'mode',\n 'updating',\n 'buffered',\n 'timestampOffset',\n 'audioTracks',\n 'videoTracks',\n 'textTracks',\n 'appendWindowStart',\n 'appendWindowEnd',\n 'trackDefaults',\n ],\n methods: [\n 'appendBuffer',\n 'appendStream',\n 'abort',\n 'remove',\n ],\n events: [\n 'abort',\n 'error',\n 'update',\n 'updateend',\n 'updatestart',\n ],\n },\n sourceBufferList: {\n propertys: [\n 'length',\n ],\n events: [\n 'addsourcebuffer',\n 'removesourcebuffer',\n ],\n },\n};\n","import config from './config';\n\nexport default class CreatMediaSource {\n constructor(flv) {\n this.flv = flv;\n this.creatUrl();\n this.eventBind();\n }\n\n creatUrl() {\n const {\n options: { mediaElement },\n events: { destroyEvents },\n } = this.flv;\n this.mediaSource = new MediaSource();\n const url = URL.createObjectURL(this.mediaSource);\n destroyEvents.push(() => {\n URL.revokeObjectURL(url);\n });\n mediaElement.src = url;\n }\n\n eventBind() {\n const {\n events: { proxy },\n } = this.flv;\n\n config.mediaSource.events.forEach(eventName => {\n proxy(this.mediaSource, eventName, event => {\n this.flv.emit(`mediaSource:${event.type}`, event);\n });\n });\n\n config.sourceBufferList.events.forEach(eventName => {\n proxy(this.mediaSource.sourceBuffers, eventName, event => {\n this.flv.emit(`sourceBuffers:${event.type}`, event);\n });\n proxy(this.mediaSource.activeSourceBuffers, eventName, event => {\n this.flv.emit(`activeSourceBuffers:${event.type}`, event);\n });\n });\n }\n}\n","function _arrayWithHoles(arr) {\n if (Array.isArray(arr)) return arr;\n}\n\nmodule.exports = _arrayWithHoles;","function _iterableToArrayLimit(arr, i) {\n var _arr = [];\n var _n = true;\n var _d = false;\n var _e = undefined;\n\n try {\n for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {\n _arr.push(_s.value);\n\n if (i && _arr.length === i) break;\n }\n } catch (err) {\n _d = true;\n _e = err;\n } finally {\n try {\n if (!_n && _i[\"return\"] != null) _i[\"return\"]();\n } finally {\n if (_d) throw _e;\n }\n }\n\n return _arr;\n}\n\nmodule.exports = _iterableToArrayLimit;","function _nonIterableRest() {\n throw new TypeError(\"Invalid attempt to destructure non-iterable instance\");\n}\n\nmodule.exports = _nonIterableRest;","var arrayWithHoles = require(\"./arrayWithHoles\");\n\nvar iterableToArrayLimit = require(\"./iterableToArrayLimit\");\n\nvar nonIterableRest = require(\"./nonIterableRest\");\n\nfunction _slicedToArray(arr, i) {\n return arrayWithHoles(arr) || iterableToArrayLimit(arr, i) || nonIterableRest();\n}\n\nmodule.exports = _slicedToArray;","import { errorHandle } from '../utils';\n\nexport default function fetchStream(flv, url) {\n flv.emit('flvFetchStart');\n fetch(url).then(response => {\n errorHandle(\n response.ok && response.status >= 200 && response.status <= 299,\n `${response.status} ${response.statusText}`,\n );\n const contentType = response.headers.get('content-type');\n errorHandle(contentType.includes('x-flv'), 'The resource does not seem to be a flv file');\n return new Response(\n new ReadableStream({\n start(controller) {\n const reader = response.body.getReader();\n\n flv.on('destroy', () => {\n reader.cancel();\n });\n\n flv.on('readerCancel', () => {\n reader.cancel();\n });\n\n (function read() {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n flv.emit('flvFetchEnd');\n controller.close();\n return;\n }\n flv.emit('flvFetching', new Uint8Array(value));\n controller.enqueue(value);\n read();\n })\n .catch(error => {\n throw error;\n });\n })();\n },\n cancel() {\n flv.emit('flvFetchCancel');\n },\n }),\n );\n });\n}\n","export default function readFile(flv, file) {\n console.log(file);\n flv.emit('flvFetchStart');\n const { proxy } = flv.events;\n const reader = new FileReader();\n proxy(reader, 'load', e => {\n const buffer = e.target.result;\n const uint8 = new Uint8Array(buffer);\n flv.emit('flvFetchEnd', uint8);\n });\n reader.readAsArrayBuffer(file);\n}\n","import { getUint8Sum, readUint8, bin2String, bin2Boolean, bin2Float, errorHandle } from '../utils';\n\nexport default function getMetaData(scripTag) {\n const readScripTag = readUint8(scripTag.body);\n const metadata = Object.create(null);\n const amf1 = Object.create(null);\n const amf2 = Object.create(null);\n\n [amf1.type] = readScripTag(1);\n errorHandle(amf1.type === 2, `AMF: [amf1] type expect 2, but got ${amf1.type}`);\n amf1.size = getUint8Sum(readScripTag(2));\n amf1.string = bin2String(readScripTag(amf1.size));\n \n [amf2.type] = readScripTag(1);\n errorHandle(amf2.type === 8, `AMF: [amf1] type expect 8, but got ${amf2.type}`);\n amf2.size = getUint8Sum(readScripTag(4));\n amf2.metaData = Object.create(null);\n\n function getValue(type) {\n let value = null;\n if (type !== undefined) {\n switch (type) {\n case 0:\n value = bin2Float(readScripTag(8));\n break;\n case 1:\n value = bin2Boolean(readScripTag(1)[0]);\n break;\n case 2: {\n const valueLength = getUint8Sum(readScripTag(2));\n value = bin2String(readScripTag(valueLength));\n break;\n }\n case 3: {\n value = Object.create(null);\n let endObject = false;\n while (!endObject && readScripTag.index < scripTag.body.length) {\n const nameLength = getUint8Sum(readScripTag(2));\n const name = bin2String(readScripTag(nameLength));\n const type = readScripTag(1)[0];\n if (name) {\n value[name] = getValue(type);\n }\n if (type === 9) {\n endObject = true;\n }\n }\n break;\n }\n case 8: {\n value = Object.create(null);\n let endArray = false;\n while (!endArray && readScripTag.index < scripTag.body.length) {\n const nameLength = getUint8Sum(readScripTag(2));\n const name = bin2String(readScripTag(nameLength));\n const type = readScripTag(1)[0];\n if (name) {\n value[name] = getValue(type);\n }\n if (type === 9) {\n endArray = true;\n }\n }\n break;\n }\n case 10: {\n const valueLength = getUint8Sum(readScripTag(4));\n value = [];\n for (let index = 0; index < valueLength; index += 1) {\n const itemType = readScripTag(1)[0];\n value.push(getValue(itemType));\n }\n break;\n }\n case 12: {\n const valueLength = getUint8Sum(readScripTag(4));\n value = bin2String(readScripTag(valueLength));\n break;\n }\n default:\n errorHandle(false, `AMF: Unknown metaData type: ${type}`);\n break;\n }\n }\n return value;\n }\n\n while (readScripTag.index < scripTag.body.length) {\n const nameLength = getUint8Sum(readScripTag(2));\n const name = bin2String(readScripTag(nameLength));\n const type = readScripTag(1)[0];\n if (name) {\n amf2.metaData[name] = getValue(type);\n }\n }\n\n errorHandle(readScripTag.index === scripTag.body.length, 'AMF: Seems to be incompletely parsed');\n errorHandle(amf2.size === Object.keys(amf2.metaData).length, 'AMF: [amf2] length does not match');\n\n metadata.amf1 = amf1;\n metadata.amf2 = amf2;\n return metadata;\n}\n","import fetchStream from './fetchStream';\nimport readFile from './readFile';\nimport getMetaData from './getMetaData';\nimport { mergeTypedArrays, getUint8Sum, bin2String } from '../utils';\n\nexport default class FlvParse {\n constructor(flv) {\n this.flv = flv;\n const { url, debug } = flv.options;\n this.uint8 = new Uint8Array(0);\n this.index = 0;\n this.header = null;\n this.metadata = null;\n this.tags = [];\n this.done = false;\n\n flv.on('flvFetchStart', () => {\n if (debug) {\n console.log('[flv-fetch-start]', url);\n }\n });\n\n flv.on('flvFetchCancel', () => {\n if (debug) {\n console.log('[flv-fetch-cancel]');\n }\n });\n\n flv.on('flvFetching', uint8 => {\n this.uint8 = mergeTypedArrays(this.uint8, uint8);\n this.parse();\n });\n\n flv.on('flvFetchEnd', uint8 => {\n if (debug) {\n console.log('[flv-fetch-end]');\n }\n this.done = true;\n if (uint8) {\n this.uint8 = uint8;\n this.index = 0;\n this.header = null;\n this.metadata = null;\n this.tags = [];\n this.parse();\n }\n flv.emit('flvParseDone');\n if (debug) {\n console.log('[flv-parse-done]');\n }\n });\n\n if (typeof url === 'string') {\n fetchStream(flv, url);\n } else {\n readFile(flv, url);\n }\n }\n\n parse() {\n const { debug } = this.flv.options;\n if (this.uint8.length >= 13 && !this.header) {\n const header = Object.create(null);\n header.signature = bin2String(this.read(3));\n [header.version] = this.read(1);\n [header.flags] = this.read(1);\n header.headersize = getUint8Sum(this.read(4));\n this.header = header;\n this.read(4);\n this.flv.emit('flvParseHeader', this.header);\n if (debug) {\n console.log('[flv-parse-header]', this.header);\n }\n }\n\n while (this.index < this.uint8.length) {\n const tag = Object.create(null);\n [tag.tagType] = this.read(1);\n tag.dataSize = getUint8Sum(this.read(3));\n tag.timestamp = this.read(4);\n tag.streamID = this.read(3);\n tag.body = this.read(tag.dataSize);\n this.tags.push(tag);\n this.read(4);\n this.flv.emit('flvParseTag', tag);\n }\n\n this.flv.emit('flvParseTags', this.tags);\n\n if (this.tags.length > 1 && this.tags[0].tagType === 18 && !this.metadata) {\n this.metadata = getMetaData(this.tags[0]);\n this.flv.emit('parseMetadata', this.metadata);\n if (debug) {\n console.log('[flv-parse-metadata]', this.metadata);\n }\n }\n }\n\n read(length) {\n const tempUint8 = new Uint8Array(length);\n for (let i = 0; i < length; i += 1) {\n tempUint8[i] = this.uint8[this.index];\n this.index += 1;\n }\n return tempUint8;\n }\n}\n","import Emitter from 'tiny-emitter';\nimport checkSupport from './utils/checkSupport';\nimport EventProxy from './eventProxy';\nimport CreatWorker from './creatWorker';\nimport CreatMediaSource from './creatMediaSource';\nimport FlvParse from './flvParse';\nimport * as utils from './utils';\nimport config from './config';\n\nlet id = 0;\nclass Flv extends Emitter {\n constructor(options) {\n super();\n this.options = Object.assign({}, Flv.DEFAULTS, options);\n checkSupport(this.options);\n this.events = new EventProxy(this);\n this.workers = new CreatWorker(this);\n this.mediaSource = new CreatMediaSource(this);\n this.flvData = new FlvParse(this);\n id += 1;\n this.id = id;\n Flv.instances.push(this);\n }\n\n static get DEFAULTS() {\n return {\n mediaElement: '',\n url: '',\n debug: false,\n };\n }\n\n static get version() {\n return '__VERSION__';\n }\n\n static get config() {\n return config;\n }\n\n static get utils() {\n return utils;\n }\n\n destroy() {\n this.events.destroy();\n this.workers.killAll();\n Flv.instances.splice(Flv.instances.indexOf(this), 1);\n this.emit('destroy');\n }\n}\n\nObject.defineProperty(Flv, 'instances', {\n value: [],\n});\n\nwindow.Flv = Flv;\nexport default 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\ No newline at end of file diff --git a/packages/artplayer-plugin-flv/src/flvParse/fetchStream.js b/packages/artplayer-plugin-flv/src/flvParse/fetchStream.js index d8d7c5442..1853d7ae8 100644 --- a/packages/artplayer-plugin-flv/src/flvParse/fetchStream.js +++ b/packages/artplayer-plugin-flv/src/flvParse/fetchStream.js @@ -36,7 +36,7 @@ export default function fetchStream(flv, url) { read(); }) .catch(error => { - flv.emit('flvFetchError', error); + throw error; }); })(); }, diff --git a/packages/artplayer-plugin-flv/src/flvParse/getMetaData.js b/packages/artplayer-plugin-flv/src/flvParse/getMetaData.js index f76d0f593..a1c98cb21 100644 --- a/packages/artplayer-plugin-flv/src/flvParse/getMetaData.js +++ b/packages/artplayer-plugin-flv/src/flvParse/getMetaData.js @@ -1,14 +1,18 @@ -import { getUint8Sum, readUint8, bin2String, bin2Boolean, bin2Float } from '../utils'; +import { getUint8Sum, readUint8, bin2String, bin2Boolean, bin2Float, errorHandle } from '../utils'; export default function getMetaData(scripTag) { const readScripTag = readUint8(scripTag.body); 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); @@ -45,8 +49,8 @@ export default function getMetaData(scripTag) { } case 8: { value = Object.create(null); - let endObject = false; - while (!endObject && readScripTag.index < scripTag.body.length) { + let endArray = false; + while (!endArray && readScripTag.index < scripTag.body.length) { const nameLength = getUint8Sum(readScripTag(2)); const name = bin2String(readScripTag(nameLength)); const type = readScripTag(1)[0]; @@ -54,7 +58,7 @@ export default function getMetaData(scripTag) { value[name] = getValue(type); } if (type === 9) { - endObject = true; + endArray = true; } } break; @@ -74,7 +78,7 @@ export default function getMetaData(scripTag) { break; } default: - console.warn(`AMF: Unknown metaData type: ${type} in ${readScripTag.index - 1}`); + errorHandle(false, `AMF: Unknown metaData type: ${type}`); break; } } @@ -90,6 +94,9 @@ export default function getMetaData(scripTag) { } } + errorHandle(readScripTag.index === scripTag.body.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; diff --git a/packages/artplayer-plugin-flv/src/flvParse/index.js b/packages/artplayer-plugin-flv/src/flvParse/index.js index df3d61572..ec18c3d60 100644 --- a/packages/artplayer-plugin-flv/src/flvParse/index.js +++ b/packages/artplayer-plugin-flv/src/flvParse/index.js @@ -1,12 +1,12 @@ import fetchStream from './fetchStream'; import readFile from './readFile'; import getMetaData from './getMetaData'; -import { mergeTypedArrays, getUint8Sum } from '../utils'; +import { mergeTypedArrays, getUint8Sum, bin2String } from '../utils'; export default class FlvParse { constructor(flv) { this.flv = flv; - const { url } = flv.options; + const { url, debug } = flv.options; this.uint8 = new Uint8Array(0); this.index = 0; this.header = null; @@ -15,15 +15,15 @@ export default class FlvParse { this.done = false; flv.on('flvFetchStart', () => { - console.log('[flv-fetch-start]'); + if (debug) { + console.log('[flv-fetch-start]', url); + } }); flv.on('flvFetchCancel', () => { - console.log('[flv-fetch-cancel]'); - }); - - flv.on('flvFetchError', error => { - console.log('[flv-fetch-error]', error); + if (debug) { + console.log('[flv-fetch-cancel]'); + } }); flv.on('flvFetching', uint8 => { @@ -32,7 +32,9 @@ export default class FlvParse { }); flv.on('flvFetchEnd', uint8 => { - console.log('[flv-fetch-end]'); + if (debug) { + console.log('[flv-fetch-end]'); + } this.done = true; if (uint8) { this.uint8 = uint8; @@ -42,7 +44,10 @@ export default class FlvParse { this.tags = []; this.parse(); } - flv.emit('parseDone'); + flv.emit('flvParseDone'); + if (debug) { + console.log('[flv-parse-done]'); + } }); if (typeof url === 'string') { @@ -53,41 +58,48 @@ export default class FlvParse { } parse() { + const { debug } = this.flv.options; if (this.uint8.length >= 13 && !this.header) { const header = Object.create(null); - header.signature = this.read(3); - header.version = this.read(1); - header.flags = this.read(1); - header.headersize = this.read(4); + 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('parseHeader', this.header); - console.log(this.header); + 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 = this.read(3); + [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(getUint8Sum(tag.dataSize)); + tag.body = this.read(tag.dataSize); this.tags.push(tag); this.read(4); - this.flv.emit('parseTag', tag); + this.flv.emit('flvParseTag', tag); } - if (this.tags.length > 1 && this.tags[0].tagType[0] === 18 && !this.metadata) { + this.flv.emit('flvParseTags', this.tags); + + if (this.tags.length > 1 && this.tags[0].tagType === 18 && !this.metadata) { this.metadata = getMetaData(this.tags[0]); this.flv.emit('parseMetadata', this.metadata); - console.log(this.metadata); + if (debug) { + console.log('[flv-parse-metadata]', this.metadata); + } } } read(length) { - const tempUint8 = []; + const tempUint8 = new Uint8Array(length); for (let i = 0; i < length; i += 1) { - tempUint8.push(this.uint8[this.index]); + tempUint8[i] = this.uint8[this.index]; this.index += 1; } return tempUint8; diff --git a/packages/artplayer-plugin-flv/src/index.js b/packages/artplayer-plugin-flv/src/index.js index f627eb718..ebada3ad8 100644 --- a/packages/artplayer-plugin-flv/src/index.js +++ b/packages/artplayer-plugin-flv/src/index.js @@ -26,6 +26,7 @@ class Flv extends Emitter { return { mediaElement: '', url: '', + debug: false, }; } diff --git a/packages/artplayer-plugin-flv/src/utils/index.js b/packages/artplayer-plugin-flv/src/utils/index.js index d3f01006a..fd1f1e296 100644 --- a/packages/artplayer-plugin-flv/src/utils/index.js +++ b/packages/artplayer-plugin-flv/src/utils/index.js @@ -53,15 +53,19 @@ 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 result = []; + const tempUint8 = new Uint8Array(length); for (let i = 0; i < length; i += 1) { - result.push(uint8[index]); + tempUint8[i] = uint8[index]; index += 1; } read.index = index; - return result; + return tempUint8; }; }