Implement framesEncoded stat in video send ssrc stats.

webrtc/api/statscollector_unittest.cc

Index: webrtc/api/statscollector_unittest.cc
diff --git a/webrtc/api/statscollector_unittest.cc b/webrtc/api/statscollector_unittest.cc
index 8d5978f66f842dd7a4636dc465c0816a949936c4..0841ea6925a3c193628e697640bcff88c03f41d8 100644
--- a/webrtc/api/statscollector_unittest.cc
+++ b/webrtc/api/statscollector_unittest.cc
@@ -29,6 +29,7 @@
 #include "webrtc/base/fakesslidentity.h"
 #include "webrtc/base/gunit.h"
 #include "webrtc/base/network.h"
+#include "webrtc/base/stringencode.h"
 #include "webrtc/logging/rtc_event_log/rtc_event_log.h"
 #include "webrtc/media/base/fakemediaengine.h"
 #include "webrtc/media/base/test/mock_mediachannel.h"
@@ -1891,4 +1892,46 @@ TEST_F(StatsCollectorTest, TwoLocalTracksWithSameSsrc) {
       media_channel, &new_voice_sender_info, NULL, &new_stats_read, &reports);
 }
 
+// This test verifies that stats are correctly set in video send ssrc stats.
+TEST_F(StatsCollectorTest, VerifyVideoSendSsrcStats) {
+  StatsCollectorForTest stats(&pc_);
+
+  EXPECT_CALL(session_, GetLocalCertificate(_, _))
+      .WillRepeatedly(Return(false));
+  EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
+      .WillRepeatedly(Return(nullptr));
+
+  const char kVideoChannelName[] = "video";
+
+  InitSessionStats(kVideoChannelName);
+  EXPECT_CALL(session_, GetTransportStats(_))
+      .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_), Return(true)));
+
+  MockVideoMediaChannel* media_channel = new MockVideoMediaChannel();
+  cricket::VideoChannel video_channel(worker_thread_, network_thread_,
+                                      media_channel, nullptr, kVideoChannelName,
+                                      false);
+  StatsReports reports;  // returned values.
+  cricket::VideoSenderInfo video_sender_info;
+  cricket::VideoMediaInfo stats_read;
+
+  AddOutgoingVideoTrackStats();
+  stats.AddStream(stream_);
+
+  // Construct a stats value to read.
+  video_sender_info.add_ssrc(1234);
+  video_sender_info.frames_encoded = 10;
+  stats_read.senders.push_back(video_sender_info);
+
+  EXPECT_CALL(session_, video_channel()).WillRepeatedly(Return(&video_channel));
+  EXPECT_CALL(session_, voice_channel()).WillRepeatedly(ReturnNull());
+  EXPECT_CALL(*media_channel, GetStats(_))
+      .WillOnce(DoAll(SetArgPointee<0>(stats_read), Return(true)));
+  stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
+  stats.GetStats(NULL, &reports);
+  EXPECT_EQ(rtc::ToString(video_sender_info.frames_encoded),
+            ExtractSsrcStatsValue(reports,
+                                  StatsReport::kStatsValueNameFramesEncoded));
+}
+
 }  // namespace webrtc