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sendrecv/js: custom getUserMedia constraints

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The html page now contains a text area in which the default
constraints will be added and can be edited.

Closes https://github.com/centricular/gstwebrtc-demos/issues/11
This commit is contained in:
Nirbheek Chauhan 2018-04-01 01:07:51 +05:30
parent fe40c70536
commit 7c5fbf1aca
2 changed files with 14 additions and 1 deletions
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5
webrtc/sendrecv/js/index.html
View file

@ -25,5 +25,10 @@
<div><video id="stream" autoplay>Your browser doesn't support video</video></div>
<div>Status: <span id="status">unknown</span></div>
<div>Our id is <b id="peer-id">unknown</b></div>
<br/>
<div>
<div>getUserMedia constraints being used:</div>
<div><textarea id="constraints" cols=40 rows=4></textarea></div>
</div>
</body>
</html>

10
webrtc/sendrecv/js/webrtc.js
View file

@ -15,6 +15,8 @@ var peer_id;
// Override with your own STUN servers if you want
var rtc_configuration = {iceServers: [{urls: "stun:stun.services.mozilla.com"},
{urls: "stun:stun.l.google.com:19302"}]};
// The default constraints that will be attempted. Can be overriden by the user.
var default_constraints = {video: true, audio: true};
var connect_attempts = 0;
var peer_connection;
@ -155,7 +157,9 @@ function onServerError(event) {
}
function getLocalStream() {
var constraints = {video: true, audio: true};
var textarea = document.getElementById('constraints');
var constraints = JSON.parse(textarea.value);
console.log(JSON.stringify(constraints));
// Add local stream
if (navigator.mediaDevices.getUserMedia) {
@ -171,6 +175,10 @@ function websocketServerConnect() {
setError("Too many connection attempts, aborting. Refresh page to try again");
return;
}
// Populate constraints
var textarea = document.getElementById('constraints');
if (textarea.value == '')
textarea.value = JSON.stringify(default_constraints);
// Fetch the peer id to use
peer_id = peer_id || getOurId();
ws_server = ws_server;