Set AES key and IV mask to CastSender

chrome/common/extensions/api/cast_streaming_rtp_stream.idl

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // The <code>chrome.cast.streaming.rtpStream</code> API allows configuration
 // of encoding parameters and RTP parameters used in a Cast streaming
 // session.
 namespace cast.streaming.rtpStream {
   // Params for audio and video codec.
   dictionary CodecSpecificParams {
@@ skipping 20 matching lines @@
 
     // The number of channels.
     long? channels;
 
     // Video width in pixels.
     long? width;
 
     // Video height in pixels.
     long? height;
 
+    // 16 bytes AES key encoded in Base64.
+    DOMString? aes_key;

[not at google - send to devlin, 2013/12/27 10:35:22]

fwiw we have both styles here now, maxBitrate and aes_key. Since there's already
feedback_ssrc perhaps this should be aesKey and aesIvMask and change the
feedback one later.

[Alpha Left Google, 2013/12/27 21:57:07]

Good catch. It is supposed to be in camelcase.

+
+    // 16 bytes AES IV (Initialization vector) mask encoded in Base64.
+    DOMString? aes_iv_mask;
+
     // A list of codec specific params.
     CodecSpecificParams[] codecSpecificParams;
   };
 
   // Cast RTP capabilities.
   dictionary RtpCaps {
     // RTP payload params.
     RtpPayloadParams[] payloads;
 
     DOMString[] rtcpFeatures;
@@ skipping 38 matching lines @@
     // Event fired when a Cast RTP stream has stopped.
     // |streamId| : The ID of the RTP stream.
     static void onStopped(long streamId);
 
     // Event fired when a Cast RTP stream has error.
     // |streamId| : The ID of the RTP stream.
     // |errorString| : The error info.
     static void onError(long streamId, DOMString errorString);
   };
 };