fix(SDP): Move all SDP related files to a different dir.

SDP utility classes are spread across RTC and XMPP directories now, moving these class files to a 'sdp' directory.

modules/RTC/RTCUtils.js

@@ -19,10 +19,10 @@ import Resolutions from '../../service/RTC/Resolutions';
 import VideoType from '../../service/RTC/VideoType';
 import { AVAILABLE_DEVICE } from '../../service/statistics/AnalyticsEvents';
 import browser from '../browser';
+import SDPUtil from '../sdp/SDPUtil';
 import Statistics from '../statistics/statistics';
 import GlobalOnErrorHandler from '../util/GlobalOnErrorHandler';
 import Listenable from '../util/Listenable';
-import SDPUtil from '../xmpp/SDPUtil';
 
 import screenObtainer from './ScreenObtainer';
 

modules/RTC/TraceablePeerConnection.js

@@ -10,15 +10,15 @@ import RTCEvents from '../../service/RTC/RTCEvents';
 import * as SignalingEvents from '../../service/RTC/SignalingEvents';
 import * as VideoType from '../../service/RTC/VideoType';
 import browser from '../browser';
+import LocalSdpMunger from '../sdp/LocalSdpMunger';
+import RtxModifier from '../sdp/RtxModifier';
+import SDP from '../sdp/SDP';
+import SDPUtil from '../sdp/SDPUtil';
+import SdpConsistency from '../sdp/SdpConsistency';
+import { SdpTransformWrap } from '../sdp/SdpTransformUtil';
 import * as GlobalOnErrorHandler from '../util/GlobalOnErrorHandler';
-import RtxModifier from '../xmpp/RtxModifier';
-import SDP from '../xmpp/SDP';
-import SDPUtil from '../xmpp/SDPUtil';
-import SdpConsistency from '../xmpp/SdpConsistency';
-import { SdpTransformWrap } from '../xmpp/SdpTransformUtil';
 
 import JitsiRemoteTrack from './JitsiRemoteTrack';
-import LocalSdpMunger from './LocalSdpMunger';
 import RTC from './RTC';
 import RTCUtils from './RTCUtils';
 import { SIM_LAYER_RIDS, TPCUtils } from './TPCUtils';

modules/RTC/LocalSdpMunger.js → modules/sdp/LocalSdpMunger.js

@@ -3,7 +3,8 @@
 import { getLogger } from 'jitsi-meet-logger';
 
 import * as MediaType from '../../service/RTC/MediaType';
-import { SdpTransformWrap } from '../xmpp/SdpTransformUtil';
+
+import { SdpTransformWrap } from './SdpTransformUtil';
 
 const logger = getLogger(__filename);
 

modules/xmpp/JingleSessionPC.js

@@ -10,6 +10,9 @@ import {
 } from '../../service/statistics/AnalyticsEvents';
 import XMPPEvents from '../../service/xmpp/XMPPEvents';
 import { SS_DEFAULT_FRAME_RATE } from '../RTC/RTCUtils';
+import SDP from '../sdp/SDP';
+import SDPDiffer from '../sdp/SDPDiffer';
+import SDPUtil from '../sdp/SDPUtil';
 import Statistics from '../statistics/statistics';
 import AsyncQueue from '../util/AsyncQueue';
 import GlobalOnErrorHandler from '../util/GlobalOnErrorHandler';
@@ -19,9 +22,6 @@ import browser from './../browser';
 import JingleSession from './JingleSession';
 import * as JingleSessionState from './JingleSessionState';
 import MediaSessionEvents from './MediaSessionEvents';
-import SDP from './SDP';
-import SDPDiffer from './SDPDiffer';
-import SDPUtil from './SDPUtil';
 import SignalingLayerImpl from './SignalingLayerImpl';
 import XmppConnection from './XmppConnection';