Adding getParameters/setParameters APIs to RtpReceiver.

webrtc/api/mediastreamprovider.h

 /*
  *  Copyright 2012 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 46 matching lines @@
   // |volume| is in the range of [0, 10].
   virtual void SetAudioPlayoutVolume(uint32_t ssrc, double volume) = 0;
 
   // Allows for setting a direct audio sink for an incoming audio source.
   // Only one audio sink is supported per ssrc and ownership of the sink is
   // passed to the provider.
   virtual void SetRawAudioSink(
       uint32_t ssrc,
       std::unique_ptr<webrtc::AudioSinkInterface> sink) = 0;
 
-  virtual RtpParameters GetAudioRtpParameters(uint32_t ssrc) const = 0;
-  virtual bool SetAudioRtpParameters(uint32_t ssrc,
-                                     const RtpParameters& parameters) = 0;
+  virtual RtpParameters GetAudioRtpSendParameters(uint32_t ssrc) const = 0;
+  virtual bool SetAudioRtpSendParameters(uint32_t ssrc,
+                                         const RtpParameters& parameters) = 0;
+
+  virtual RtpParameters GetAudioRtpReceiveParameters(uint32_t ssrc) const = 0;
+  virtual bool SetAudioRtpReceiveParameters(
+      uint32_t ssrc,
+      const RtpParameters& parameters) = 0;
 
  protected:
   virtual ~AudioProviderInterface() {}
 };
 
 // This interface is called by VideoRtpSender/Receivers to change the settings
 // of a video track connected to a certain PeerConnection.
 class VideoProviderInterface {
  public:
   virtual bool SetSource(
       uint32_t ssrc,
       rtc::VideoSourceInterface<cricket::VideoFrame>* source) = 0;
   // Enable/disable the video playout of a remote video track with |ssrc|.
   virtual void SetVideoPlayout(
       uint32_t ssrc,
       bool enable,
       rtc::VideoSinkInterface<cricket::VideoFrame>* sink) = 0;
   // Enable sending video on the local video track with |ssrc|.
   virtual void SetVideoSend(uint32_t ssrc,
                             bool enable,
                             const cricket::VideoOptions* options) = 0;
 
-  virtual RtpParameters GetVideoRtpParameters(uint32_t ssrc) const = 0;
-  virtual bool SetVideoRtpParameters(uint32_t ssrc,
-                                     const RtpParameters& parameters) = 0;
+  virtual RtpParameters GetVideoRtpSendParameters(uint32_t ssrc) const = 0;
+  virtual bool SetVideoRtpSendParameters(uint32_t ssrc,
+                                         const RtpParameters& parameters) = 0;
+
+  virtual RtpParameters GetVideoRtpReceiveParameters(uint32_t ssrc) const = 0;
+  virtual bool SetVideoRtpReceiveParameters(
+      uint32_t ssrc,
+      const RtpParameters& parameters) = 0;
 
  protected:
   virtual ~VideoProviderInterface() {}
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_MEDIASTREAMPROVIDER_H_