Let ViEEncoder handle resolution changes.

webrtc/video/video_quality_test.cc

 /*
  *  Copyright (c) 2015 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.
  */
 #include "webrtc/video/video_quality_test.h"
@@ skipping 996 matching lines @@
     video_send_config_.rtp.extensions.push_back(
         RtpExtension(RtpExtension::kTransportSequenceNumberUri,
                      test::kTransportSequenceNumberExtensionId));
   } else {
     video_send_config_.rtp.extensions.push_back(RtpExtension(
         RtpExtension::kAbsSendTimeUri, test::kAbsSendTimeExtensionId));
   }
 
   video_encoder_config_.min_transmit_bitrate_bps =
       params_.common.min_transmit_bps;
-  video_encoder_config_.streams = params_.ss.streams;
+  test::FillEncoderConfiguration(params_.ss.streams.size(),
+                                 &video_encoder_config_);
   video_encoder_config_.spatial_layers = params_.ss.spatial_layers;
 
   CreateMatchingReceiveConfigs(recv_transport);
 
   for (size_t i = 0; i < num_streams; ++i) {
     video_receive_configs_[i].rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
     video_receive_configs_[i].rtp.rtx[payload_type].ssrc = kSendRtxSsrcs[i];
     video_receive_configs_[i].rtp.rtx[payload_type].payload_type =
         kSendRtxPayloadType;
     video_receive_configs_[i].rtp.transport_cc = params_.common.send_side_bwe;
@@ skipping 362 matching lines @@
     std::ostringstream str;
     str << receive_logs_++;
     std::string path =
         params_.common.encoded_frame_base_path + "." + str.str() + ".recv.ivf";
     stream->EnableEncodedFrameRecording(rtc::CreatePlatformFile(path),
                                         10000000);
   }
 }
 
 }  // namespace webrtc