diff --git a/media/engine/webrtcvideoengine.cc b/media/engine/webrtcvideoengine.cc
index 3a10299..134fa40 100644
--- a/media/engine/webrtcvideoengine.cc
+++ b/media/engine/webrtcvideoengine.cc
@@ -1940,6 +1940,10 @@
     encoder_config.number_of_streams = 1;
   }
 
+  // parameters_.max_bitrate comes from the max bitrate set at the SDP
+  // (m-section) level with the attribute "b=AS." Note that we override this
+  // value below if the RtpParameters max bitrate set with
+  // RtpSender::SetParameters has a lower value.
   int stream_max_bitrate = parameters_.max_bitrate_bps;
   // When simulcast is enabled (when there are multiple encodings),
   // encodings[i].max_bitrate_bps will be enforced by
@@ -1953,8 +1957,13 @@
                             parameters_.max_bitrate_bps);
   }
 
+  // The codec max bitrate comes from the "x-google-max-bitrate" parameter
+  // attribute set in the SDP for a specific codec. As done in
+  // WebRtcVideoChannel::SetSendParameters, this value does not override the
+  // stream max_bitrate set above.
   int codec_max_bitrate_kbps;
-  if (codec.GetParam(kCodecParamMaxBitrate, &codec_max_bitrate_kbps)) {
+  if (codec.GetParam(kCodecParamMaxBitrate, &codec_max_bitrate_kbps) &&
+      stream_max_bitrate == -1) {
     stream_max_bitrate = codec_max_bitrate_kbps * 1000;
   }
   encoder_config.max_bitrate_bps = stream_max_bitrate;
diff --git a/media/engine/webrtcvideoengine_unittest.cc b/media/engine/webrtcvideoengine_unittest.cc
index c03861a..4373ec2 100644
--- a/media/engine/webrtcvideoengine_unittest.cc
+++ b/media/engine/webrtcvideoengine_unittest.cc
@@ -3955,6 +3955,65 @@
             stream->GetVideoStreams()[0].max_bitrate_bps);
 }
 
+// Tests that when the codec specific max bitrate and VideoSendParameters
+// max_bandwidth_bps are used, that it sets the VideoStream's max bitrate
+// appropriately.
+TEST_F(WebRtcVideoChannelTest,
+       MaxBitratePrioritizesVideoSendParametersOverCodecMaxBitrate) {
+  send_parameters_.codecs[0].params[kCodecParamMinBitrate] = "100";
+  send_parameters_.codecs[0].params[kCodecParamStartBitrate] = "200";
+  send_parameters_.codecs[0].params[kCodecParamMaxBitrate] = "300";
+  send_parameters_.max_bandwidth_bps = -1;
+  AddSendStream();
+  ExpectSetMaxBitrate(300000);
+  ASSERT_TRUE(channel_->SetSendParameters(send_parameters_));
+
+  std::vector<FakeVideoSendStream*> video_send_streams = GetFakeSendStreams();
+  ASSERT_EQ(1u, video_send_streams.size());
+  FakeVideoSendStream* video_send_stream = video_send_streams[0];
+  ASSERT_EQ(1u, video_send_streams[0]->GetVideoStreams().size());
+  // First the max bitrate is set based upon the codec param.
+  EXPECT_EQ(300000,
+            video_send_streams[0]->GetVideoStreams()[0].max_bitrate_bps);
+
+  // The VideoSendParameters max bitrate overrides the codec's.
+  send_parameters_.max_bandwidth_bps = 500000;
+  ExpectSetMaxBitrate(send_parameters_.max_bandwidth_bps);
+  ASSERT_TRUE(channel_->SetSendParameters(send_parameters_));
+  ASSERT_EQ(1u, video_send_stream->GetVideoStreams().size());
+  EXPECT_EQ(500000, video_send_stream->GetVideoStreams()[0].max_bitrate_bps);
+}
+
+// Tests that when the codec specific max bitrate and RtpParameters
+// max_bitrate_bps are used, that it sets the VideoStream's max bitrate
+// appropriately.
+TEST_F(WebRtcVideoChannelTest,
+       MaxBitratePrioritizesRtpParametersOverCodecMaxBitrate) {
+  send_parameters_.codecs[0].params[kCodecParamMinBitrate] = "100";
+  send_parameters_.codecs[0].params[kCodecParamStartBitrate] = "200";
+  send_parameters_.codecs[0].params[kCodecParamMaxBitrate] = "300";
+  send_parameters_.max_bandwidth_bps = -1;
+  AddSendStream();
+  ExpectSetMaxBitrate(300000);
+  ASSERT_TRUE(channel_->SetSendParameters(send_parameters_));
+
+  std::vector<FakeVideoSendStream*> video_send_streams = GetFakeSendStreams();
+  ASSERT_EQ(1u, video_send_streams.size());
+  FakeVideoSendStream* video_send_stream = video_send_streams[0];
+  ASSERT_EQ(1u, video_send_stream->GetVideoStreams().size());
+  // First the max bitrate is set based upon the codec param.
+  EXPECT_EQ(300000, video_send_stream->GetVideoStreams()[0].max_bitrate_bps);
+
+  // The RtpParameter max bitrate overrides the codec's.
+  webrtc::RtpParameters parameters = channel_->GetRtpSendParameters(last_ssrc_);
+  ASSERT_EQ(1u, parameters.encodings.size());
+  parameters.encodings[0].max_bitrate_bps = 500000;
+  EXPECT_TRUE(channel_->SetRtpSendParameters(last_ssrc_, parameters).ok());
+  ASSERT_EQ(1u, video_send_stream->GetVideoStreams().size());
+  EXPECT_EQ(parameters.encodings[0].max_bitrate_bps,
+            video_send_stream->GetVideoStreams()[0].max_bitrate_bps);
+}
+
 TEST_F(WebRtcVideoChannelTest,
        MaxBitrateIsMinimumOfMaxSendBandwidthAndMaxEncodingBitrate) {
   send_parameters_.max_bandwidth_bps = 99999;