cione-comp-lib
Version:
`$ yarn add cione-comp-lib` 或者 `$ npm i cione-comp-lib -S`
169 lines (168 loc) • 5.22 kB
JavaScript
function SrsRtcPlayerAsync() {
var self = {};
self.play = async function(url) {
var conf = self.__internal.prepareUrl(url);
self.pc.addTransceiver("audio", { direction: "recvonly" });
self.pc.addTransceiver("video", { direction: "recvonly" });
var offer = await self.pc.createOffer();
await self.pc.setLocalDescription(offer);
var session = await new Promise(function(resolve, reject) {
var data = {
api: conf.apiUrl,
tid: conf.tid,
streamurl: conf.streamUrl,
clientip: null,
sdp: offer.sdp
};
console.log("Generated offer: ", data);
fetch(conf.apiUrl, {
method: "POST",
headers: {
"Content-Type": "application/json"
},
body: JSON.stringify(data)
}).then((response) => response.json()).then((data2) => {
console.log("Got answer: ", data2);
if (data2.code) {
reject(data2);
return;
}
resolve(data2);
}).catch((error) => {
reject(error);
});
});
await self.pc.setRemoteDescription(
new RTCSessionDescription({ type: "answer", sdp: session.sdp })
);
session.simulator = conf.schema + "//" + conf.urlObject.server + ":" + conf.port + "/rtc/v1/nack/";
return session;
};
self.close = function() {
self.pc && self.pc.close();
self.pc = null;
};
self.ontrack = function(event) {
self.stream.addTrack(event.track);
};
self.__internal = {
defaultPath: "/rtc/v1/play/",
prepareUrl: function(webrtcUrl) {
var urlObject = self.__internal.parse(webrtcUrl);
var schema = urlObject.user_query.schema;
schema = schema ? schema + ":" : window.location.protocol;
var port = urlObject.port || 1985;
if (schema === "https:") {
port = urlObject.port || 443;
}
var api = urlObject.user_query.play || self.__internal.defaultPath;
if (api.lastIndexOf("/") !== api.length - 1) {
api += "/";
}
apiUrl = schema + "//" + urlObject.server + ":" + port + api;
for (var key in urlObject.user_query) {
if (key !== "api" && key !== "play") {
apiUrl += "&" + key + "=" + urlObject.user_query[key];
}
}
var apiUrl = apiUrl.replace(api + "&", api + "?");
var streamUrl = urlObject.url;
return {
apiUrl,
streamUrl,
schema,
urlObject,
port,
tid: Number(parseInt(new Date().getTime() * Math.random() * 100)).toString(16).substr(0, 7)
};
},
parse: function(url) {
var a = document.createElement("a");
a.href = url.replace("rtmp://", "http://").replace("webrtc://", "http://").replace("rtc://", "http://");
var vhost = a.hostname;
var app = a.pathname.substr(1, a.pathname.lastIndexOf("/") - 1);
var stream = a.pathname.substr(a.pathname.lastIndexOf("/") + 1);
app = app.replace("...vhost...", "?vhost=");
if (app.indexOf("?") >= 0) {
var params = app.substr(app.indexOf("?"));
app = app.substr(0, app.indexOf("?"));
if (params.indexOf("vhost=") > 0) {
vhost = params.substr(params.indexOf("vhost=") + "vhost=".length);
if (vhost.indexOf("&") > 0) {
vhost = vhost.substr(0, vhost.indexOf("&"));
}
}
}
if (a.hostname === vhost) {
var re = /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/;
if (re.test(a.hostname)) {
vhost = "__defaultVhost__";
}
}
var schema = "rtmp";
if (url.indexOf("://") > 0) {
schema = url.substr(0, url.indexOf("://"));
}
var port = a.port;
if (!port) {
if (schema === "http") {
port = 80;
} else if (schema === "https") {
port = 443;
} else if (schema === "rtmp") {
port = 1935;
}
}
var ret = {
url,
schema,
server: a.hostname,
port,
vhost,
app,
stream
};
self.__internal.fill_query(a.search, ret);
if (!ret.port) {
if (schema === "webrtc" || schema === "rtc") {
if (ret.user_query.schema === "https") {
ret.port = 443;
} else if (window.location.href.indexOf("https://") === 0) {
ret.port = 443;
} else {
ret.port = 1985;
}
}
}
return ret;
},
fill_query: function(query_string, obj) {
obj.user_query = {};
if (query_string.length === 0) {
return;
}
if (query_string.indexOf("?") >= 0) {
query_string = query_string.split("?")[1];
}
var queries = query_string.split("&");
for (var i = 0; i < queries.length; i++) {
var elem = queries[i];
var query = elem.split("=");
obj[query[0]] = query[1];
obj.user_query[query[0]] = query[1];
}
if (obj.domain) {
obj.vhost = obj.domain;
}
}
};
self.pc = new RTCPeerConnection(null);
self.stream = new MediaStream();
self.pc.ontrack = function(event) {
if (self.ontrack) {
self.ontrack(event);
}
};
return self;
}
export { SrsRtcPlayerAsync };