janus.js-senderStreams-receiverStreams

				if(config.receiverTransforms) {
					var receiverStreams = null;
					if(RTCRtpSender.prototype.createEncodedStreams) {
						receiverStreams = event.receiver.createEncodedStreams();
					} else if(RTCRtpSender.prototype.createAudioEncodedStreams || RTCRtpSender.prototype.createEncodedVideoStreams) {
						if(event.track.kind === "audio" && config.receiverTransforms["audio"]) {
							receiverStreams = event.receiver.createEncodedAudioStreams();
						} else if(event.track.kind === "video" && config.receiverTransforms["video"]) {
							receiverStreams = event.receiver.createEncodedVideoStreams();
						}
					}
					if(receiverStreams) {
						console.log(receiverStreams);
						if(receiverStreams.readableStream && receiverStreams.writableStream) {
							receiverStreams.readableStream
								.pipeThrough(config.receiverTransforms[event.track.kind])
								.pipeTo(receiverStreams.writableStream);
						} else if(receiverStreams.readable && receiverStreams.writable) {
							receiverStreams.readable
								.pipeThrough(config.receiverTransforms[event.track.kind])
								.pipeTo(receiverStreams.writable);
						}
					}
				}


				// Check if insertable streams are involved
				if(sender && config.senderTransforms) {
					var senderStreams = null;
					if(RTCRtpSender.prototype.createEncodedStreams) {
						senderStreams = sender.createEncodedStreams();
					} else if(RTCRtpSender.prototype.createAudioEncodedStreams || RTCRtpSender.prototype.createEncodedVideoStreams) {
						if(sender.track.kind === "audio" && config.senderTransforms["audio"]) {
							senderStreams = sender.createEncodedAudioStreams();
						} else if(sender.track.kind === "video" && config.senderTransforms["video"]) {
							senderStreams = sender.createEncodedVideoStreams();
						}
					}
					if(senderStreams) {
						console.log(senderStreams);
						if(senderStreams.readableStream && senderStreams.writableStream) {
							senderStreams.readableStream
								.pipeThrough(config.senderTransforms[sender.track.kind])
								.pipeTo(senderStreams.writableStream);
						} else if(senderStreams.readable && senderStreams.writable) {
							senderStreams.readable
								.pipeThrough(config.senderTransforms[sender.track.kind])
								.pipeTo(senderStreams.writable);
						}
					}
				}