Add the function ToRtpParameters.

webrtc/ortc/rtpparametersconversion.h

 /*
  *  Copyright 2017 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 65 matching lines @@
 // capabilities to RtpCapabilities, or to convert from already-parsed SDP
 // (in the form of cricket:: structures) to webrtc:: structures. The latter
 // functionality is not yet implemented.
 //*****************************************************************************
 
 // Returns empty value if |cricket_feedback| is a feedback type not
 // supported/recognized.
 rtc::Optional<RtcpFeedback> ToRtcpFeedback(
     const cricket::FeedbackParam& cricket_feedback);
 
+std::vector<RtpEncodingParameters> ToRtpEncodings(
+    const cricket::StreamParamsVec& stream_params);
+
+template <typename C>
+RtpCodecParameters ToRtpCodecParameters(const C& cricket_codec);
+
 template <typename C>
 RtpCodecCapability ToRtpCodecCapability(const C& cricket_codec);
 
 template <class C>
 RtpCapabilities ToRtpCapabilities(
     const std::vector<C>& cricket_codecs,
     const cricket::RtpHeaderExtensions& cricket_extensions);
 
+template <class C>
+RtpParameters ToRtpParameters(
+    const std::vector<C>& cricket_codecs,
+    const cricket::RtpHeaderExtensions& cricket_extensions,
+    const cricket::StreamParamsVec& stream_params);
+
 }  // namespace webrtc
 
 #endif  // WEBRTC_ORTC_RTPPARAMETERSCONVERSION_H_