Support encrypted RTP extensions (RFC 6904)

webrtc/p2p/base/dtlstransportinternal.h

 /*
  *  Copyright 2016 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 21 matching lines @@
 // DtlsTransportInternal is an internal interface that does DTLS, also
 // negotiating SRTP crypto suites so that it may be used for DTLS-SRTP.
 //
 // Once the public interface is supported,
 // (https://www.w3.org/TR/webrtc/#rtcdtlstransport-interface)
 // the DtlsTransportInterface will be split from this class.
 class DtlsTransportInternal : public rtc::PacketTransportInternal {
  public:
   virtual ~DtlsTransportInternal() {}
 
+  virtual const rtc::CryptoOptions& crypto_options() const = 0;
+
   virtual DtlsTransportState dtls_state() const = 0;
 
   virtual const std::string& transport_name() const = 0;
 
   virtual int component() const = 0;
 
   virtual bool IsDtlsActive() const = 0;
 
   virtual bool GetSslRole(rtc::SSLRole* role) const = 0;
 
@@ skipping 47 matching lines @@
  protected:
   DtlsTransportInternal() {}
 
  private:
   RTC_DISALLOW_COPY_AND_ASSIGN(DtlsTransportInternal);
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_DTLSTRANSPORTINTERNAL_H_