@jxstjh/jhvideo
Version:
HTML5 jhvideo base on MPEG2-TS Stream Player
209 lines • 7.79 kB
JavaScript
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
import { EventEmitter } from 'events';
var playType = {
REALPLAY: 'realplay',
PLAYBACK: 'playback',
TALK: 'talk'
};
var StreamWebsocket = /** @class */ (function () {
function StreamWebsocket(url, playType) {
if (playType === void 0) { playType = 'playback'; }
this._ws = null;
this._headBuffer = null;
this._lastCmd = null;
this._receivedSteamHead = false;
this._requestData = {
playUrl: '',
playType: 'playback',
startTime: 0,
endTime: 0,
};
this.emitter = new EventEmitter();
this._requestData.playUrl = url;
this._requestData.playType = playType;
}
StreamWebsocket.prototype.on = function (event, listener) {
this.emitter.addListener(event, listener);
};
StreamWebsocket.prototype.off = function (event, listener) {
this.emitter.removeListener(event, listener);
};
StreamWebsocket.prototype.sendArrayBuffer = function (arrBuf) {
this._ws.send(arrBuf);
};
StreamWebsocket.prototype.open = function (url) {
var _this = this;
return new Promise(function (resolve, reject) {
_this.emitter.on("cmd.".concat(_this._requestData.playType), function (code, mediaInfo) {
if (code === 0) {
resolve({
code: code,
mediaInfo: mediaInfo,
playType: _this._requestData.playType,
head: _this._headBuffer
});
}
else {
// resolve({})
reject(code);
}
});
var _url = url || _this._requestData.playUrl;
_this._ws = new WebSocket(_url);
_this._ws.binaryType = 'arraybuffer';
_this._ws.onopen = function (val) {
// console.log('onopen',val)
};
_this._ws.onerror = function (err) {
// console.log('onerror',err)
// this._bError = true
};
_this._ws.onclose = function () {
// console.log('close')
// if (this._receivedSteamHead) {
// this.emitter.emit('stream.interrupt', 'codes.ERR_INTERRUPT')
// }
_this.emitter.emit("cmd.".concat(_this._requestData.playType), '0x-000000');
};
_this._ws.onmessage = function (msg) {
var data = msg.data;
if (data instanceof ArrayBuffer) {
_this._handleStream(data);
}
else if (typeof data === 'string') {
_this._handleInteract(data);
}
};
});
};
/**
* 码流处理
* @param {*} bufData
* @returns
*/
StreamWebsocket.prototype._handleStream = function (bufData) {
if (!this._receivedSteamHead) {
this._headBuffer = bufData;
this._receivedSteamHead = true;
var isHead = true;
if (this.emitter.eventNames().includes("cmd.".concat(this._requestData.playType))) {
this.emitter.emit("cmd.".concat(this._requestData.playType), 0);
}
this.emitter.emit('stream.input', bufData, isHead);
}
else {
this.emitter.emit('stream.input', bufData);
}
};
/**
* 交互信息处理
* @param {*} strData
*/
StreamWebsocket.prototype._handleInteract = function (strData) {
var jsonData = JSON.parse(strData);
if (!this._lastCmd) { // 开流
var errorCode = jsonData.errorCode, errorMsg = jsonData.errorMsg;
if (parseInt(errorCode) === 0) { // 安全认证成功，与服务端建立连接
if (this._requestData.playType === playType.TALK) {
this.emitter.emit("cmd.".concat(this._requestData.playType), errorCode, jsonData.audioInfo);
}
else {
this.emitter.emit("cmd.".concat(this._requestData.playType), errorCode);
}
}
else {
var errorCodeHex = '0x0' + errorCode.toString(16);
this.emitter.emit("cmd.".concat(this._requestData.playType), errorCodeHex, errorMsg);
}
return;
}
if (jsonData.hasOwnProperty('errorCode')) { // 交互消息
var errorCode = jsonData.errorCode, errorMsg = jsonData.errorMsg;
if (parseInt(errorCode) === 0) {
this.emitter.emit("cmd.".concat(this._lastCmd.cmd), parseInt(errorCode));
}
else {
var errorCodeHex = '0x0' + errorCode.toString(16);
this.emitter.emit("cmd.".concat(this._lastCmd.cmd), errorCodeHex, errorMsg);
}
}
else { // 服务端主动消息
if (!jsonData.hasOwnProperty('cmd')) {
var extra = {
url: this._requestData.playUrl
};
var cmd = this._requestData.playType;
if (this._requestData.playType === playType.PLAYBACK) {
extra.startTime = this._requestData.startTime;
extra.endTime = this._requestData.endTime;
}
this.sendCmd(cmd, extra).catch(function (err) {
console.error(err);
});
}
else {
var cmd = jsonData.cmd;
if (cmd === 'end') {
this.emitter.emit('stream.end');
this.close();
}
else if (cmd === 'newStreamFlag') { }
}
}
};
StreamWebsocket.prototype.sendCmd = function (cmd, extra) {
var _this = this;
if (extra === void 0) { extra = {}; }
return new Promise(function (resolve, reject) {
if (!_this._ws && _this._ws.readyState !== WebSocket.OPEN) {
return reject('意外的状态');
}
// 设置消息发送监听
_this.emitter.once("cmd.".concat(cmd), function (code) {
if (code === 0) {
resolve('codes.OK');
}
else {
reject(code);
}
});
// 发送消息
var cmdBody = __assign(__assign({ cmd: cmd }, extra), { sequence: !_this._lastCmd ? 0 : _this._lastCmd.sequence + 1 });
_this._ws.send(JSON.stringify(cmdBody));
_this._lastCmd = cmdBody;
});
};
StreamWebsocket.prototype.destroy = function () {
this.close();
if (this.emitter) {
this.emitter.removeAllListeners();
this.emitter = null;
}
};
StreamWebsocket.prototype.close = function () {
if (!this._ws)
return;
var ws = this._ws;
ws.close(1000);
ws.onmessage = null;
ws.onclose = null;
ws.onerror = null;
ws.onopen = null;
this._ws = null;
this._receivedSteamHead = false;
this._lastCmd = null;
};
return StreamWebsocket;
}());
export default StreamWebsocket;
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