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implement muting in a safe way, fixes #41

This commit is contained in:
Philipp Hancke 2014-02-24 18:24:38 +01:00
parent 58a4243627
commit b78fda3a55
1 changed files with 31 additions and 1 deletions
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32
libs/colibri.js
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@ -55,6 +55,8 @@ function ColibriFocus(connection, bridgejid) {
this.addssrc = [];
// ssrc lines to be removed on next update
this.removessrc = [];
// pending mute/unmute video op that modify local description
this.pendingop = null;
// container for candidates from the focus
// gathered before confid is known
@ -802,8 +804,8 @@ ColibriFocus.prototype.terminate = function (session, reason) {
ColibriFocus.prototype.modifySources = function () {
var self = this;
if (!(this.addssrc.length || this.removessrc.length)) return;
if (this.peerconnection.signalingState == 'closed') return;
if (!(this.addssrc.length || this.removessrc.length || this.pendingop !== null)) return;
// FIXME: this is a big hack
// https://code.google.com/p/webrtc/issues/detail?id=2688
@ -844,6 +846,25 @@ ColibriFocus.prototype.modifySources = function () {
self.peerconnection.createAnswer(
function (modifiedAnswer) {
console.log('modifiedAnswer created');
// change video direction, see https://github.com/jitsi/jitmeet/issues/41
if (self.pendingop !== null) {
var sdp = new SDP(modifiedAnswer.sdp);
if (sdp.media.length > 1) {
switch(self.pendingop) {
case 'mute':
sdp.media[1] = sdp.media[1].replace('a=sendrecv', 'a=recvonly');
break;
case 'unmute':
sdp.media[1] = sdp.media[1].replace('a=recvonly', 'a=sendrecv');
break;
}
sdp.raw = sdp.session + sdp.media.join('');
modifiedAnswer.sdp = sdp.raw;
}
self.pendingop = null;
}
// FIXME: pushing down an answer while ice connection state
// is still checking is bad...
//console.log(self.peerconnection.iceConnectionState);
@ -900,6 +921,15 @@ ColibriFocus.prototype.modifySources = function () {
*/
};
ColibriFocus.prototype.hardMuteVideo = function (muted) {
this.pendingop = muted ? 'mute' : 'unmute';
this.modifySources();
this.localStream.getVideoTracks.forEach(function (track) {
track.enabled = !muted;
});
};
// A colibri session is similar to a jingle session, it just implements some things differently
// FIXME: inherit jinglesession, see https://github.com/legastero/Jingle-RTCPeerConnection/blob/master/index.js
function ColibriSession(me, sid, connection) {