dom: Add WebRTC transceiver stubs.

components/script/dom/webidls/RTCPeerConnection.webidl

@@ -115,6 +115,22 @@ enum RTCSignalingState {
     "closed"
 };
 
+dictionary RTCRtpCodingParameters {
+  DOMString rid;
+};
+
+dictionary RTCRtpEncodingParameters : RTCRtpCodingParameters {
+  boolean active = true;
+  unsigned long maxBitrate;
+  double scaleResolutionDownBy;
+};
+
+dictionary RTCRtpTransceiverInit {
+  RTCRtpTransceiverDirection direction = "sendrecv";
+  sequence<MediaStream> streams = [];
+  sequence<RTCRtpEncodingParameters> sendEncodings = [];
+};
+
 partial interface RTCPeerConnection {
     // sequence<RTCRtpSender>      getSenders();
     // sequence<RTCRtpReceiver>    getReceivers();
@@ -122,8 +138,9 @@ partial interface RTCPeerConnection {
     // RTCRtpSender                addTrack(MediaStreamTrack track,
     //                                      MediaStream... streams);
     // void                        removeTrack(RTCRtpSender sender);
-    // RTCRtpTransceiver           addTransceiver((MediaStreamTrack or DOMString) trackOrKind,
-    //                                            optional RTCRtpTransceiverInit init);
+    [Pref="dom.webrtc.transceiver.enabled"]
+    RTCRtpTransceiver           addTransceiver((MediaStreamTrack or DOMString) trackOrKind,
+                                               optional RTCRtpTransceiverInit init = {});
     attribute EventHandler ontrack;
 };
 

components/script/dom/webidls/RTCRtpSender.webidl

@@ -0,0 +1,47 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+// https://w3c.github.io/webrtc-pc/#dom-rtcrtpsender
+
+dictionary RTCRtpHeaderExtensionParameters {
+  required DOMString uri;
+  required unsigned short id;
+  boolean encrypted = false;
+};
+
+dictionary RTCRtcpParameters {
+  DOMString cname;
+  boolean reducedSize;
+};
+
+dictionary RTCRtpCodecParameters {
+  required octet payloadType;
+  required DOMString mimeType;
+  required unsigned long clockRate;
+  unsigned short channels;
+  DOMString sdpFmtpLine;
+};
+
+dictionary RTCRtpParameters {
+  required sequence<RTCRtpHeaderExtensionParameters> headerExtensions;
+  required RTCRtcpParameters rtcp;
+  required sequence<RTCRtpCodecParameters> codecs;
+};
+
+dictionary RTCRtpSendParameters : RTCRtpParameters {
+  required DOMString transactionId;
+  required sequence<RTCRtpEncodingParameters> encodings;
+};
+
+[Exposed=Window, Pref="dom.webrtc.transceiver.enabled"]
+interface RTCRtpSender {
+  //readonly attribute MediaStreamTrack? track;
+  //readonly attribute RTCDtlsTransport? transport;
+  //static RTCRtpCapabilities? getCapabilities(DOMString kind);
+  Promise<void> setParameters(RTCRtpSendParameters parameters);
+  RTCRtpSendParameters getParameters();
+  //Promise<void> replaceTrack(MediaStreamTrack? withTrack);
+  //void setStreams(MediaStream... streams);
+  //Promise<RTCStatsReport> getStats();
+};

components/script/dom/webidls/RTCRtpTransceiver.webidl

@@ -0,0 +1,24 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+// https://w3c.github.io/webrtc-pc/#rtcrtptransceiver-interface
+
+[Exposed=Window, Pref="dom.webrtc.transceiver.enabled"]
+interface RTCRtpTransceiver {
+  //readonly attribute DOMString? mid;
+  [SameObject] readonly attribute RTCRtpSender sender;
+  //[SameObject] readonly attribute RTCRtpReceiver receiver;
+  attribute RTCRtpTransceiverDirection direction;
+  //readonly attribute RTCRtpTransceiverDirection? currentDirection;
+  //void stop();
+  //void setCodecPreferences(sequence<RTCRtpCodecCapability> codecs);
+};
+
+enum RTCRtpTransceiverDirection {
+  "sendrecv",
+  "sendonly",
+  "recvonly",
+  "inactive",
+  "stopped"
+};