2022-10-18 16:46:35 +00:00
|
|
|
<!doctype html>
|
|
|
|
|
<html lang="en">
|
|
|
|
|
|
|
|
|
|
<head>
|
|
|
|
|
<meta charset="UTF-8">
|
|
|
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
|
|
|
|
<title>GstWebRTC API</title>
|
|
|
|
|
<style>
|
|
|
|
|
body {
|
|
|
|
|
background-color: #3a3f44;
|
|
|
|
|
color: #c8c8c8;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
section {
|
|
|
|
|
border-top: 2px solid #272b30;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
main {
|
|
|
|
|
border-bottom: 2px solid #272b30;
|
|
|
|
|
padding-bottom: 1em;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.button {
|
|
|
|
|
cursor: pointer;
|
|
|
|
|
border-radius: 10px;
|
|
|
|
|
user-select: none;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.button:disabled {
|
|
|
|
|
cursor: default;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
button.button {
|
|
|
|
|
box-shadow: 4px 4px 14px 1px #272b30;
|
|
|
|
|
border: none;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.spinner {
|
|
|
|
|
display: inline-block;
|
|
|
|
|
position: absolute;
|
|
|
|
|
width: 80px;
|
|
|
|
|
height: 80px;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.spinner>div {
|
|
|
|
|
box-sizing: border-box;
|
|
|
|
|
display: block;
|
|
|
|
|
position: absolute;
|
|
|
|
|
width: 64px;
|
|
|
|
|
height: 64px;
|
|
|
|
|
margin: 8px;
|
|
|
|
|
border: 8px solid #fff;
|
|
|
|
|
border-radius: 50%;
|
|
|
|
|
animation: spinner 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
|
|
|
|
|
border-color: #fff transparent transparent transparent;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.spinner div:nth-child(1) {
|
|
|
|
|
animation-delay: -0.45s;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.spinner div:nth-child(2) {
|
|
|
|
|
animation-delay: -0.3s;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.spinner div:nth-child(3) {
|
|
|
|
|
animation-delay: -0.15s;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@keyframes spinner {
|
|
|
|
|
0% {
|
|
|
|
|
transform: rotate(0deg);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
100% {
|
|
|
|
|
transform: rotate(360deg);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
video:focus-visible,
|
|
|
|
|
video:focus {
|
|
|
|
|
outline: none;
|
|
|
|
|
}
|
|
|
|
|
|
2024-08-16 15:37:51 +00:00
|
|
|
div.video, div.offer-options, div.request-box {
|
2022-10-18 16:46:35 +00:00
|
|
|
position: relative;
|
|
|
|
|
margin: 1em;
|
|
|
|
|
}
|
|
|
|
|
|
2024-08-16 15:37:51 +00:00
|
|
|
div.request-box {
|
|
|
|
|
display: none;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#remote-streams>li.streaming.has-remote-control .request-box {
|
|
|
|
|
display: block;
|
|
|
|
|
}
|
|
|
|
|
|
2022-10-18 16:46:35 +00:00
|
|
|
div.video>div.fullscreen {
|
|
|
|
|
position: absolute;
|
|
|
|
|
top: 0;
|
|
|
|
|
right: 0;
|
|
|
|
|
width: 2.6em;
|
|
|
|
|
height: 2.6em;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
div.video>div.fullscreen>span {
|
|
|
|
|
position: absolute;
|
|
|
|
|
top: 0.3em;
|
|
|
|
|
right: 0.4em;
|
|
|
|
|
font-size: 1.5em;
|
|
|
|
|
font-weight: bolder;
|
|
|
|
|
cursor: pointer;
|
|
|
|
|
user-select: none;
|
|
|
|
|
display: none;
|
|
|
|
|
text-shadow: 1px 1px 4px #272b30;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
div.video>video {
|
|
|
|
|
width: 320px;
|
|
|
|
|
height: 240px;
|
|
|
|
|
background-color: #202020;
|
|
|
|
|
border-radius: 15px;
|
|
|
|
|
box-shadow: 4px 4px 14px 1px #272b30;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
div.video>.spinner {
|
|
|
|
|
top: 80px;
|
|
|
|
|
left: 120px;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#capture {
|
|
|
|
|
padding-top: 1.2em;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#capture>.button {
|
|
|
|
|
vertical-align: top;
|
|
|
|
|
margin-top: 1.5em;
|
|
|
|
|
margin-left: 1em;
|
|
|
|
|
background-color: #98d35e;
|
|
|
|
|
width: 5em;
|
|
|
|
|
height: 5em;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#capture>.client-id {
|
|
|
|
|
display: block;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#capture>.client-id::before {
|
|
|
|
|
content: "Client ID:";
|
|
|
|
|
margin-right: 0.5em;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#capture.has-session>.button {
|
|
|
|
|
background-color: #e36868;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#capture>.button::after {
|
|
|
|
|
content: "Start Capture";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#capture.has-session>.button::after {
|
|
|
|
|
content: "Stop Capture";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#capture .spinner {
|
|
|
|
|
display: none;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#capture.starting .spinner {
|
|
|
|
|
display: inline-block;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#remote-streams {
|
|
|
|
|
list-style: none;
|
|
|
|
|
padding-left: 1em;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#remote-streams>li .button::before {
|
|
|
|
|
content: "\2799";
|
|
|
|
|
padding-right: 0.2em;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#remote-streams>li.has-session .button::before {
|
|
|
|
|
content: "\2798";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#remote-streams>li div.video {
|
|
|
|
|
display: none;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#remote-streams>li.has-session div.video {
|
|
|
|
|
display: inline-block;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#remote-streams>li.streaming .spinner {
|
|
|
|
|
display: none;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#remote-streams>li.streaming>div.video>div.fullscreen:hover>span {
|
|
|
|
|
display: block;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#remote-streams .remote-control {
|
|
|
|
|
display: none;
|
|
|
|
|
position: absolute;
|
|
|
|
|
top: 0.2em;
|
|
|
|
|
left: 0.3em;
|
|
|
|
|
font-size: 1.8em;
|
|
|
|
|
font-weight: bolder;
|
|
|
|
|
animation: blink 1s ease-in-out infinite alternate;
|
|
|
|
|
text-shadow: 1px 1px 4px #272b30;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@keyframes blink {
|
|
|
|
|
to {
|
|
|
|
|
opacity: 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#remote-streams>li.streaming.has-remote-control .remote-control {
|
|
|
|
|
display: block;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#remote-streams>li.streaming.has-remote-control>div.video>video {
|
|
|
|
|
width: 640px;
|
|
|
|
|
height: 480px;
|
|
|
|
|
}
|
|
|
|
|
</style>
|
|
|
|
|
<script>
|
2024-02-07 10:32:21 +00:00
|
|
|
function initCapture(api) {
|
2022-10-18 16:46:35 +00:00
|
|
|
const captureSection = document.getElementById("capture");
|
|
|
|
|
const clientIdElement = captureSection.querySelector(".client-id");
|
|
|
|
|
const videoElement = captureSection.getElementsByTagName("video")[0];
|
|
|
|
|
|
|
|
|
|
const listener = {
|
|
|
|
|
connected: function(clientId) { clientIdElement.textContent = clientId; },
|
|
|
|
|
disconnected: function() { clientIdElement.textContent = "none"; }
|
|
|
|
|
};
|
2024-02-07 10:32:21 +00:00
|
|
|
api.registerConnectionListener(listener);
|
2022-10-18 16:46:35 +00:00
|
|
|
|
|
|
|
|
document.getElementById("capture-button").addEventListener("click", (event) => {
|
|
|
|
|
event.preventDefault();
|
|
|
|
|
|
|
|
|
|
if (captureSection._producerSession) {
|
|
|
|
|
captureSection._producerSession.close();
|
|
|
|
|
} else if (!captureSection.classList.contains("starting")) {
|
|
|
|
|
captureSection.classList.add("starting");
|
|
|
|
|
|
|
|
|
|
const constraints = {
|
|
|
|
|
video: { width: 1280, height: 720 }
|
|
|
|
|
};
|
|
|
|
|
navigator.mediaDevices.getUserMedia(constraints).then((stream) => {
|
2024-02-07 10:32:21 +00:00
|
|
|
const session = api.createProducerSession(stream);
|
2022-10-18 16:46:35 +00:00
|
|
|
if (session) {
|
|
|
|
|
captureSection._producerSession = session;
|
|
|
|
|
|
|
|
|
|
session.addEventListener("error", (event) => {
|
|
|
|
|
if (captureSection._producerSession === session) {
|
|
|
|
|
console.error(event.message, event.error);
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
session.addEventListener("closed", () => {
|
|
|
|
|
if (captureSection._producerSession === session) {
|
|
|
|
|
videoElement.pause();
|
|
|
|
|
videoElement.srcObject = null;
|
|
|
|
|
captureSection.classList.remove("has-session", "starting");
|
|
|
|
|
delete captureSection._producerSession;
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
session.addEventListener("stateChanged", (event) => {
|
|
|
|
|
if ((captureSection._producerSession === session) &&
|
2024-02-07 10:32:21 +00:00
|
|
|
(event.target.state === GstWebRTCAPI.SessionState.streaming)) {
|
2022-10-18 16:46:35 +00:00
|
|
|
videoElement.srcObject = stream;
|
|
|
|
|
videoElement.play().catch(() => {});
|
|
|
|
|
captureSection.classList.remove("starting");
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
session.addEventListener("clientConsumerAdded", (event) => {
|
|
|
|
|
if (captureSection._producerSession === session) {
|
|
|
|
|
console.info(`client consumer added: ${event.detail.peerId}`);
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
session.addEventListener("clientConsumerRemoved", (event) => {
|
|
|
|
|
if (captureSection._producerSession === session) {
|
|
|
|
|
console.info(`client consumer removed: ${event.detail.peerId}`);
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
captureSection.classList.add("has-session");
|
|
|
|
|
session.start();
|
|
|
|
|
} else {
|
|
|
|
|
for (const track of stream.getTracks()) {
|
|
|
|
|
track.stop();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
captureSection.classList.remove("starting");
|
|
|
|
|
}
|
|
|
|
|
}).catch((error) => {
|
|
|
|
|
console.error("cannot have access to webcam and microphone", error);
|
|
|
|
|
captureSection.classList.remove("starting");
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
|
2024-02-07 10:32:21 +00:00
|
|
|
function initRemoteStreams(api) {
|
2022-10-18 16:46:35 +00:00
|
|
|
const remoteStreamsElement = document.getElementById("remote-streams");
|
|
|
|
|
|
|
|
|
|
const listener = {
|
|
|
|
|
producerAdded: function(producer) {
|
|
|
|
|
const producerId = producer.id
|
|
|
|
|
if (!document.getElementById(producerId)) {
|
|
|
|
|
remoteStreamsElement.insertAdjacentHTML("beforeend",
|
|
|
|
|
`<li id="${producerId}">
|
2024-08-08 14:59:10 +00:00
|
|
|
<div class="button">${producer.meta.name || producerId}
|
|
|
|
|
</div>
|
|
|
|
|
<div class="offer-options">
|
|
|
|
|
<textarea rows="5" cols="50" placeholder="offer options, empty to answer. For example:\n{\n "offerToReceiveAudio": 1\n "offerToReceiveVideo": 1\n}\n"></textarea>
|
|
|
|
|
</div>
|
2024-08-16 15:37:51 +00:00
|
|
|
<div class="request-box">
|
|
|
|
|
<textarea rows="4" cols="50" placeholder="JSON request to send over"></textarea>
|
|
|
|
|
<button disabled="disabled">Submit request</button>
|
2024-08-15 14:27:48 +00:00
|
|
|
</div>
|
2022-10-18 16:46:35 +00:00
|
|
|
<div class="video">
|
|
|
|
|
<div class="spinner">
|
|
|
|
|
<div></div>
|
|
|
|
|
<div></div>
|
|
|
|
|
<div></div>
|
|
|
|
|
<div></div>
|
|
|
|
|
</div>
|
|
|
|
|
<span class="remote-control">©</span>
|
|
|
|
|
<video></video>
|
|
|
|
|
<div class="fullscreen"><span title="Toggle fullscreen">▢</span></div>
|
|
|
|
|
</div>
|
|
|
|
|
</li>`);
|
|
|
|
|
|
|
|
|
|
const entryElement = document.getElementById(producerId);
|
|
|
|
|
const videoElement = entryElement.getElementsByTagName("video")[0];
|
2024-08-15 14:27:48 +00:00
|
|
|
const offerTextareaElement = entryElement.getElementsByTagName("textarea")[0];
|
2024-08-16 15:37:51 +00:00
|
|
|
const requestTextAreaElement = entryElement.getElementsByTagName("textarea")[1];
|
|
|
|
|
const submitRequestButtonElement = entryElement.getElementsByTagName("button")[0];
|
2024-08-15 14:27:48 +00:00
|
|
|
|
2024-08-16 15:37:51 +00:00
|
|
|
submitRequestButtonElement.addEventListener("click", (event) => {
|
2024-08-15 14:27:48 +00:00
|
|
|
try {
|
2024-08-16 15:37:51 +00:00
|
|
|
let request = requestTextAreaElement.value;
|
|
|
|
|
let id = entryElement._consumerSession.remoteController.sendControlRequest(request);
|
2024-08-15 14:27:48 +00:00
|
|
|
} catch (ex) {
|
|
|
|
|
console.error("Failed to parse mix matrix:", ex);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
});
|
2022-10-18 16:46:35 +00:00
|
|
|
|
|
|
|
|
videoElement.addEventListener("playing", () => {
|
|
|
|
|
if (entryElement.classList.contains("has-session")) {
|
|
|
|
|
entryElement.classList.add("streaming");
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
entryElement.addEventListener("click", (event) => {
|
|
|
|
|
event.preventDefault();
|
|
|
|
|
if (!event.target.classList.contains("button")) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (entryElement._consumerSession) {
|
|
|
|
|
entryElement._consumerSession.close();
|
|
|
|
|
} else {
|
2024-08-08 14:59:10 +00:00
|
|
|
let session = null;
|
2024-08-15 14:27:48 +00:00
|
|
|
if (offerTextareaElement.value == '') {
|
2024-08-08 14:59:10 +00:00
|
|
|
session = api.createConsumerSession(producerId);
|
|
|
|
|
} else {
|
|
|
|
|
try {
|
2024-08-15 14:27:48 +00:00
|
|
|
let offerOptions = JSON.parse(offerTextareaElement.value);
|
2024-08-08 14:59:10 +00:00
|
|
|
session = api.createConsumerSessionWithOfferOptions(producerId, offerOptions);
|
|
|
|
|
} catch (ex) {
|
|
|
|
|
console.error("Failed to parse offer options:", ex);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
2022-10-18 16:46:35 +00:00
|
|
|
if (session) {
|
|
|
|
|
entryElement._consumerSession = session;
|
|
|
|
|
|
2024-08-26 15:04:00 +00:00
|
|
|
session.mungeStereoHack = true;
|
|
|
|
|
|
2022-10-18 16:46:35 +00:00
|
|
|
session.addEventListener("error", (event) => {
|
|
|
|
|
if (entryElement._consumerSession === session) {
|
|
|
|
|
console.error(event.message, event.error);
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
session.addEventListener("closed", () => {
|
|
|
|
|
if (entryElement._consumerSession === session) {
|
|
|
|
|
videoElement.pause();
|
|
|
|
|
videoElement.srcObject = null;
|
|
|
|
|
entryElement.classList.remove("has-session", "streaming", "has-remote-control");
|
|
|
|
|
delete entryElement._consumerSession;
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
session.addEventListener("streamsChanged", () => {
|
|
|
|
|
if (entryElement._consumerSession === session) {
|
|
|
|
|
const streams = session.streams;
|
|
|
|
|
if (streams.length > 0) {
|
|
|
|
|
videoElement.srcObject = streams[0];
|
|
|
|
|
videoElement.play().catch(() => {});
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
session.addEventListener("remoteControllerChanged", () => {
|
|
|
|
|
if (entryElement._consumerSession === session) {
|
|
|
|
|
const remoteController = session.remoteController;
|
|
|
|
|
if (remoteController) {
|
|
|
|
|
entryElement.classList.add("has-remote-control");
|
2024-08-16 15:37:51 +00:00
|
|
|
submitRequestButtonElement.disabled = false;
|
2022-10-18 16:46:35 +00:00
|
|
|
remoteController.attachVideoElement(videoElement);
|
2024-08-23 15:56:16 +00:00
|
|
|
remoteController.addEventListener("info", (e) => {
|
|
|
|
|
console.log("Received info message from producer: ", e.detail);
|
|
|
|
|
});
|
2022-10-18 16:46:35 +00:00
|
|
|
} else {
|
|
|
|
|
entryElement.classList.remove("has-remote-control");
|
2024-08-16 15:37:51 +00:00
|
|
|
submitRequestButtonElement.disabled = true;
|
2022-10-18 16:46:35 +00:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
entryElement.classList.add("has-session");
|
|
|
|
|
session.connect();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
producerRemoved: function(producer) {
|
|
|
|
|
const element = document.getElementById(producer.id);
|
|
|
|
|
if (element) {
|
|
|
|
|
if (element._consumerSession) {
|
|
|
|
|
element._consumerSession.close();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
element.remove();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
2024-02-07 10:32:21 +00:00
|
|
|
api.registerProducersListener(listener);
|
|
|
|
|
for (const producer of api.getAvailableProducers()) {
|
2022-10-18 16:46:35 +00:00
|
|
|
listener.producerAdded(producer);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
window.addEventListener("DOMContentLoaded", () => {
|
|
|
|
|
document.addEventListener("click", (event) => {
|
|
|
|
|
if (event.target.matches("div.video>div.fullscreen:hover>span")) {
|
|
|
|
|
event.preventDefault();
|
|
|
|
|
event.target.parentNode.previousElementSibling.requestFullscreen();
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
2024-02-07 10:32:21 +00:00
|
|
|
const signalingProtocol = window.location.protocol.startsWith("https") ? "wss" : "ws";
|
|
|
|
|
const gstWebRTCConfig = {
|
|
|
|
|
meta: { name: `WebClient-${Date.now()}` },
|
2024-07-18 17:12:34 +00:00
|
|
|
signalingServerUrl: `${signalingProtocol}://${window.location.hostname}:8443`,
|
2024-02-07 10:32:21 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const api = new GstWebRTCAPI(gstWebRTCConfig);
|
|
|
|
|
initCapture(api);
|
|
|
|
|
initRemoteStreams(api);
|
2022-10-18 16:46:35 +00:00
|
|
|
});
|
|
|
|
|
</script>
|
|
|
|
|
</head>
|
|
|
|
|
|
|
|
|
|
<body>
|
|
|
|
|
<header>
|
|
|
|
|
<h1>GstWebRTC API</h1>
|
|
|
|
|
</header>
|
|
|
|
|
<main>
|
|
|
|
|
<section id="capture">
|
|
|
|
|
<span class="client-id">none</span>
|
|
|
|
|
<button class="button" id="capture-button"></button>
|
|
|
|
|
<div class="video">
|
|
|
|
|
<div class="spinner">
|
|
|
|
|
<div></div>
|
|
|
|
|
<div></div>
|
|
|
|
|
<div></div>
|
|
|
|
|
<div></div>
|
|
|
|
|
</div>
|
|
|
|
|
<video></video>
|
|
|
|
|
</div>
|
|
|
|
|
</section>
|
|
|
|
|
<section>
|
|
|
|
|
<h1>Remote Streams</h1>
|
|
|
|
|
<ul id="remote-streams"></ul>
|
|
|
|
|
</section>
|
|
|
|
|
</main>
|
|
|
|
|
</body>
|
|
|
|
|
|
|
|
|
|
</html>
|
