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Send multiple candidates at once instead of all individually. Changes spec to include multiple candidates in a candidate(s) message.

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This commit is contained in:
David Baker 2014-09-12 18:16:24 +01:00
parent 14975ce5bc
commit 842898df15
2 changed files with 58 additions and 9 deletions
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59
webclient/components/matrix/matrix-call.js
View file

@ -47,6 +47,10 @@ angular.module('MatrixCall', [])
this.call_id = "c" + new Date().getTime();
this.state = 'fledgling';
this.didConnect = false;
// a queue for candidates waiting to go out. We try to amalgamate candidates into a single candidate message where possible
this.candidateSendQueue = [];
this.candidateSendTries = 0;
}
MatrixCall.prototype.createPeerConnection = function() {
@ -174,12 +178,7 @@ angular.module('MatrixCall', [])
MatrixCall.prototype.gotLocalIceCandidate = function(event) {
console.log(event);
if (event.candidate) {
var content = {
version: 0,
call_id: this.call_id,
candidate: event.candidate
};
this.sendEventWithRetry('m.call.candidate', content);
this.sendCandidate(event.candidate);
}
}
@ -370,5 +369,53 @@ angular.module('MatrixCall', [])
}, delayMs);
};
// Sends candidates with are sent in a special way because we try to amalgamate them into one message
MatrixCall.prototype.sendCandidate = function(content) {
this.candidateSendQueue.push(content);
var self = this;
if (this.candidateSendTries == 0) $timeout(function() { self.sendCandidateQueue(); }, 100);
};
MatrixCall.prototype.sendCandidateQueue = function(content) {
if (this.candidateSendQueue.length == 0) return;
var cands = this.candidateSendQueue;
this.candidateSendQueue = [];
++this.candidateSendTries;
var content = {
version: 0,
call_id: this.call_id,
candidates: cands
};
var self = this;
console.log("Attempting to send "+cands.length+" candidates");
matrixService.sendEvent(self.room_id, 'm.call.candidates', undefined, content).then(function() { self.candsSent(); }, function(error) { self.candsSendFailed(cands, error); } );
};
MatrixCall.prototype.candsSent = function() {
this.candidateSendTries = 0;
this.sendCandidateQueue();
};
MatrixCall.prototype.candsSendFailed = function(cands, error) {
for (var i = 0; i < cands.length; ++i) {
this.candidateSendQueue.push(cands[i]);
}
if (this.candidateSendTries > 5) {
console.log("Failed to send candidates on attempt "+ev.tries+". Giving up for now.");
this.candidateSendTries = 0;
return;
}
var delayMs = 500 * Math.pow(2, this.candidateSendTries);
++this.candidateSendTries;
console.log("Failed to send candidates. Retrying in "+delayMs+"ms");
var self = this;
$timeout(function() {
self.sendCandidateQueue();
}, delayMs);
};
return MatrixCall;
}]);

8
webclient/components/matrix/matrix-phone-service.js
View file

@ -77,13 +77,15 @@ angular.module('matrixPhoneService', [])
return;
}
call.receivedAnswer(msg);
} else if (event.type == 'm.call.candidate') {
} else if (event.type == 'm.call.candidates') {
var call = matrixPhoneService.allCalls[msg.call_id];
if (!call) {
console.log("Got candidate for unknown call ID "+msg.call_id);
console.log("Got candidates for unknown call ID "+msg.call_id);
return;
}
call.gotRemoteIceCandidate(msg.candidate);
for (var i = 0; i < msg.candidates.length; ++i) {
call.gotRemoteIceCandidate(msg.candidates[i]);
}
} else if (event.type == 'm.call.hangup') {
var call = matrixPhoneService.allCalls[msg.call_id];
if (!call) {