Add FullStack test for simulcast screenshare mode.

webrtc/video/full_stack_tests.cc

 /*
  *  Copyright (c) 2013 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 <stdio.h>
 
+#include "webrtc/test/field_trial.h"
 #include "webrtc/test/gtest.h"
 #include "webrtc/video/video_quality_test.h"
 
 namespace webrtc {
 
 static const int kFullStackTestDurationSecs = 45;
 
 class FullStackTest : public VideoQualityTest {
  public:
   void RunTest(const VideoQualityTest::Params &params) {
@@ skipping 279 matching lines @@
   VideoQualityTest::Params screenshare;
   screenshare.call.send_side_bwe = true;
   screenshare.video = {true, 1850, 1110, 5, 50000, 200000, 2000000, false,
                        "VP8", 2, 1, 400000, false, false, "", ""};
   screenshare.screenshare = {true, 10};
   screenshare.analyzer = {"screenshare_slides", 0.0, 0.0,
                           kFullStackTestDurationSecs};
   RunTest(screenshare);
 }
 
+TEST_F(FullStackTest, ScreenshareSlidesVP8_3TL_Simulcast) {
+  test::ScopedFieldTrials field_trial("WebRTC-SimulcastScreenshare/Enabled/");
+  VideoQualityTest::Params screenshare;
+  screenshare.call.send_side_bwe = true;
+  screenshare.screenshare = {true, 10};
+  screenshare.video = {true,    1850,  1110,  5, 800000, 2500000,
+                       2500000, false, "VP8", 3, 2,      400000,
+                       false,   false, "",    ""};
+  screenshare.analyzer = {"screenshare_slides_simulcast", 0.0, 0.0,
+                          kFullStackTestDurationSecs};
+  VideoQualityTest::Params screenshare_params_high;
+  screenshare_params_high.video = {true,    1850,  1110,  5, 800000, 2500000,
+                                   2500000, false, "VP8", 3, 0,      400000,
+                                   false,   false, "",    ""};
+  VideoQualityTest::Params screenshare_params_low;
+  screenshare_params_low.video = {true,    1850,  1110,  5, 50000, 200000,
+                                  2000000, false, "VP8", 2, 0,     400000,
+                                  false,   false, "",    ""};
+
+  std::vector<VideoStream> streams = {
+      DefaultVideoStream(screenshare_params_low),
+      DefaultVideoStream(screenshare_params_high)};
+  screenshare.ss = {streams, 1, 1, 0};
+  RunTest(screenshare);
+}
+
 TEST_F(FullStackTest, ScreenshareSlidesVP8_2TL_Scroll) {
   VideoQualityTest::Params config;
   config.call.send_side_bwe = true;
   config.video = {true, 1850, 1110 / 2, 5, 50000,  200000, 2000000, false,
                   "VP8", 2, 1, 400000, false, false, "", ""};
   config.screenshare = {true, 10, 2};
   config.analyzer = {"screenshare_slides_scrolling", 0.0, 0.0,
                      kFullStackTestDurationSecs};
   RunTest(config);
 }
@@ skipping 237 matching lines @@
   std::vector<VideoStream> streams = {DefaultVideoStream(video_params_low),
                                       DefaultVideoStream(video_params_medium),
                                       DefaultVideoStream(video_params_high)};
   large_room.num_thumbnails = 50;
   large_room.ss = {streams, 2, 1, 0};
   RunTest(large_room);
 }
 
 
 }  // namespace webrtc