Negotiate the same SRTP crypto suites for every DTLS association formed.

webrtc/pc/channelmanager.h

 /*
  *  Copyright 2004 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 128 matching lines @@
 
   // Indicates whether any channels exist.
   bool has_channels() const {
     return (!voice_channels_.empty() || !video_channels_.empty());
   }
 
   // RTX will be enabled/disabled in engines that support it. The supporting
   // engines will start offering an RTX codec. Must be called before Init().
   bool SetVideoRtxEnabled(bool enable);
 
-  // Define crypto options to set on newly created channels. Doesn't change
-  // options on already created channels.
-  bool SetCryptoOptions(const rtc::CryptoOptions& crypto_options);
-
   // Starts/stops the local microphone and enables polling of the input level.
   bool capturing() const { return capturing_; }
 
   // The operations below occur on the main thread.
 
   // Starts AEC dump using existing file, with a specified maximum file size in
   // bytes. When the limit is reached, logging will stop and the file will be
   // closed. If max_size_bytes is set to <= 0, no limit will be used.
   bool StartAecDump(rtc::PlatformFile file, int64_t max_size_bytes);
 
   // Stops recording AEC dump.
   void StopAecDump();
 
  private:
   typedef std::vector<VoiceChannel*> VoiceChannels;
   typedef std::vector<VideoChannel*> VideoChannels;
   typedef std::vector<RtpDataChannel*> RtpDataChannels;
 
   void Construct(std::unique_ptr<MediaEngineInterface> me,
                  std::unique_ptr<DataEngineInterface> dme,
                  rtc::Thread* worker_thread,
                  rtc::Thread* network_thread);
   bool InitMediaEngine_w();
   void DestructorDeletes_w();
   void Terminate_w();
-  bool SetCryptoOptions_w(const rtc::CryptoOptions& crypto_options);
   VoiceChannel* CreateVoiceChannel_w(
       webrtc::MediaControllerInterface* media_controller,
       DtlsTransportInternal* rtp_dtls_transport,
       DtlsTransportInternal* rtcp_dtls_transport,
       rtc::PacketTransportInternal* rtp_packet_transport,
       rtc::PacketTransportInternal* rtcp_packet_transport,
       rtc::Thread* signaling_thread,
       const std::string& content_name,
       bool srtp_required,
       const AudioOptions& options);
@@ skipping 31 matching lines @@
 
   bool enable_rtx_;
   rtc::CryptoOptions crypto_options_;
 
   bool capturing_;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_PC_CHANNELMANAGER_H_