Function record

Ports/JavaScriptPort/src/main/webapp/js/fontmetrics.js:2694–2932

(notAllowedCallback, blockRecordCallback, allowed)

        
        var failedMEICheck;
        function record(notAllowedCallback, blockRecordCallback, allowed) {
            if (recording) {
            	console.log("Calling onRecord because recording");
                onRecord(audioChannels, audioCtx ? Math.floor(audioCtx.sampleRate) : 0);
                return;
            }
            if (pendingGetUserMedia) {
                // If there is a pending getUser media, then 
                // interested parties will receive the onRecord or onError
                // callbacks from that request.
                return;
            }
            
            
            failedMEICheck = false;

            if ((isIOS() || isSafari) && !allowed) {
               	cn1RunPrivileged(function() {
               		record(notAllowedCallback, blockRecordCallback, true);
               	});

                return;


            }
           
            
            paused = false;
           
            if (stream && (!isIOS() || isIPad())) {
            	if (isIOS()) {
                    // On iOS we cannot reuse the stream, and it is problematic
                    // to create it new every time, so we workaround it by cloning
                    // the stream and removing the tracks from the old stream.
                    // Thanks Chad Phillips (https://webrtchacks.com/guide-to-safari-webrtc/)
                    var tmp = stream.clone();
                    var audioTracks = stream.getAudioTracks();
                    for (var i=0, len = audioTracks.length; i < len; i++) {
                            stream.removeTrack(audioTracks[i]);
                    }
                    stream = tmp;
            	}
                resume(notAllowedCallback, blockRecordCallback);
                return;
            }
            
            if (stream) {
            	stream.getTracks().forEach(function(track) {
                    console.log("Disabling track", track);
                    track.stop();
                });
                if (stream.stop) {
                    stream.stop();
                }
                if (stream.close) {
                    stream.close();
                }
                stream = null;