webrtc - How can I allow stop the video track and resend the video track using twilio video depending on the user preference? -


i give users functionality disable videotrack if wish. can use localvideotrack.disable() this? if yes, can show me example?

here code:

 navigator.mediadevices.getusermedia({         audio: true,         video: {width: 320}     })         .then(function (mediastream) {             var connectoptions = {                 name: roomname,                 loglevel: 'off',                 tracks: mediastream.gettracks()             };             return video.connect(data.token, connectoptions);         })         .then(roomjoined, function (error) {             log('could not connect twilio: ' + error.message);         });       // bind button leave room.     document.getelementbyid('button-leave').onclick = function () {         log('leaving room...');         leaveroomifjoined();     }; });  // connected! function roomjoined(room) {     //to collect timing data billing purposes     $.post('/classrooms/logs/joinedroom/' + lessonid + '/' + identity, function (data) {         console.log(data);     });     activeroom = room;      log("joined" + room);     log(new date().getminutes());      // attach localparticipant's tracks, if not attached.     // var previewcontainer = document.getelementbyid('local-media');     // if (!previewcontainer.queryselector('video')) {     //     attachparticipanttracks(room.localparticipant, previewcontainer);     // }      // attach tracks of room's participants.     room.participants.foreach(function (participant) {         log("already in room: '" + participant.identity + "'");         var previewcontainer = document.getelementbyid('remote-media');         attachparticipanttracks(participant, previewcontainer);     });      // when participant joins room, log event.     room.on('participantconnected', function (participant) {         console.log(participant);         log("joining: '" + participant.identity + "'");     });      // when participant adds track, attach dom.     room.on('trackadded', function (track, participant) {         log(participant.identity + " added track: " + track.kind);         var previewcontainer = document.getelementbyid('remote-media');         var h = previewcontainer.offsetwidth * 0.75 + "px";         if (participant.identity === classroom.teacher._id) {             attachtracks([track], previewcontainer);              previewcontainer.style.height = h;              // } else {             //     if(track.kind == 'audio') {             //         console.log(typeof(track.kind));             //         attachtracks([track], previewcontainer);             //     }         }     });      // when participant removes track, detach dom.     room.on('trackremoved', function (track, participant) {         log(participant.identity + " removed track: " + track.kind);         detachtracks([track]);     });      // when participant leaves room, detach tracks.     room.on('participantdisconnected', function (participant) {         log("participant '" + participant.identity + "' left room");         log(new date().getminutes());         detachparticipanttracks(participant);     });     $('#toggle-video').click(function(e){         console.log(room.localparticipant.videotracks);         // room.localparticipant.videotracks.disable();     });     // once localparticipant leaves room, detach tracks     // of participants, including of localparticipant.     room.on('disconnected', function () {         $.post('/classrooms/logs/leftroom/' + lessonid + '/' + identity, function (data) {             detachparticipanttracks(room.localparticipant);             room.participants.foreach(detachparticipanttracks);             activeroom = null;             // document.getelementbyid('button-join').style.display = 'inline';             document.getelementbyid('button-leave').style.display = 'none';         });         log('left');         log(new date().getminutes());         detachparticipanttracks(room.localparticipant);         room.participants.foreach(detachparticipanttracks);         activeroom = null;         // document.getelementbyid('button-join').style.display = 'inline';         document.getelementbyid('button-leave').style.display = 'none';     }); }

so when user clciks toggle-video button want stop sending video if ma sending or start sending video i not. how can hold of localvideotrack this?

twilio developer evangelist here.

you can indeed use localtrack.disable() in case. or, make easier, can pass boolean argument localtrack.enable([enabled]) pauses or unpauses track. here's how achieve that:

function roomjoined(room) {   const localparticipant = room.localparticipant;   let videoenabled = true;    $('#toggle-video').click(function(e) {     videoenabled = !videoenabled;     localparticipant.videotracks.foreach(function(videotrack) {       videotrack.enable(videoenabled);     });   }) }

let me know if helps @ all.


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