Adding getParameters/setParameters APIs to RtpReceiver.

webrtc/media/base/codec_unittest.cc

 /*
  *  Copyright (c) 2009 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.
  */
 
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   equal_bitrates.params[kCodecParamMinBitrate] = "100";
   equal_bitrates.params[kCodecParamMaxBitrate] = "100";
   EXPECT_TRUE(equal_bitrates.ValidateCodecFormat());
 
   // Accept min bitrate < max bitrate.
   VideoCodec different_bitrates = codec;
   different_bitrates.params[kCodecParamMinBitrate] = "99";
   different_bitrates.params[kCodecParamMaxBitrate] = "100";
   EXPECT_TRUE(different_bitrates.ValidateCodecFormat());
 }
+
+TEST_F(CodecTest, TestToCodecParameters) {
+  const VideoCodec v(96, "V", 320, 200, 30);
+  webrtc::RtpCodecParameters codec_params_1 = v.ToCodecParameters();
+  EXPECT_EQ(96, codec_params_1.payload_type);
+  EXPECT_EQ("V", codec_params_1.mime_type);
+  EXPECT_EQ(cricket::kVideoCodecClockrate, codec_params_1.clock_rate);
+  EXPECT_EQ(1, codec_params_1.channels);
+
+  const AudioCodec a(97, "A", 44100, 20000, 2);
+  webrtc::RtpCodecParameters codec_params_2 = a.ToCodecParameters();
+  EXPECT_EQ(97, codec_params_2.payload_type);
+  EXPECT_EQ("A", codec_params_2.mime_type);
+  EXPECT_EQ(44100, codec_params_2.clock_rate);
+  EXPECT_EQ(2, codec_params_2.channels);
+}