2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
11 // This file includes unit tests for SendStatisticsProxy.
12 #include "webrtc/video/send_statistics_proxy.h"
18 #include "testing/gtest/include/gtest/gtest.h"
22 class SendStatisticsProxyTest : public ::testing::Test {
24 SendStatisticsProxyTest() : avg_delay_ms_(0), max_delay_ms_(0) {}
25 virtual ~SendStatisticsProxyTest() {}
28 virtual void SetUp() {
29 statistics_proxy_.reset(
30 new SendStatisticsProxy(GetTestConfig()));
31 config_ = GetTestConfig();
32 expected_ = VideoSendStream::Stats();
35 VideoSendStream::Config GetTestConfig() {
36 VideoSendStream::Config config;
37 config.rtp.ssrcs.push_back(17);
38 config.rtp.ssrcs.push_back(42);
39 config.rtp.rtx.ssrcs.push_back(18);
40 config.rtp.rtx.ssrcs.push_back(43);
44 void ExpectEqual(VideoSendStream::Stats one, VideoSendStream::Stats other) {
45 EXPECT_EQ(one.input_frame_rate, other.input_frame_rate);
46 EXPECT_EQ(one.encode_frame_rate, other.encode_frame_rate);
47 EXPECT_EQ(one.media_bitrate_bps, other.media_bitrate_bps);
48 EXPECT_EQ(one.suspended, other.suspended);
50 EXPECT_EQ(one.substreams.size(), other.substreams.size());
51 for (std::map<uint32_t, SsrcStats>::const_iterator it =
52 one.substreams.begin();
53 it != one.substreams.end();
55 std::map<uint32_t, SsrcStats>::const_iterator corresponding_it =
56 other.substreams.find(it->first);
57 ASSERT_TRUE(corresponding_it != other.substreams.end());
58 const SsrcStats& a = it->second;
59 const SsrcStats& b = corresponding_it->second;
61 EXPECT_EQ(a.key_frames, b.key_frames);
62 EXPECT_EQ(a.delta_frames, b.delta_frames);
63 EXPECT_EQ(a.total_bitrate_bps, b.total_bitrate_bps);
64 EXPECT_EQ(a.avg_delay_ms, b.avg_delay_ms);
65 EXPECT_EQ(a.max_delay_ms, b.max_delay_ms);
67 EXPECT_EQ(a.rtp_stats.bytes, b.rtp_stats.bytes);
68 EXPECT_EQ(a.rtp_stats.header_bytes, b.rtp_stats.header_bytes);
69 EXPECT_EQ(a.rtp_stats.padding_bytes, b.rtp_stats.padding_bytes);
70 EXPECT_EQ(a.rtp_stats.packets, b.rtp_stats.packets);
71 EXPECT_EQ(a.rtp_stats.retransmitted_packets,
72 b.rtp_stats.retransmitted_packets);
73 EXPECT_EQ(a.rtp_stats.fec_packets, b.rtp_stats.fec_packets);
75 EXPECT_EQ(a.rtcp_stats.fraction_lost, b.rtcp_stats.fraction_lost);
76 EXPECT_EQ(a.rtcp_stats.cumulative_lost, b.rtcp_stats.cumulative_lost);
77 EXPECT_EQ(a.rtcp_stats.extended_max_sequence_number,
78 b.rtcp_stats.extended_max_sequence_number);
79 EXPECT_EQ(a.rtcp_stats.jitter, b.rtcp_stats.jitter);
83 scoped_ptr<SendStatisticsProxy> statistics_proxy_;
84 VideoSendStream::Config config_;
87 VideoSendStream::Stats expected_;
88 typedef std::map<uint32_t, SsrcStats>::const_iterator StreamIterator;
91 TEST_F(SendStatisticsProxyTest, RtcpStatistics) {
92 RtcpStatisticsCallback* callback = statistics_proxy_.get();
93 for (std::vector<uint32_t>::const_iterator it = config_.rtp.ssrcs.begin();
94 it != config_.rtp.ssrcs.end();
96 const uint32_t ssrc = *it;
97 SsrcStats& ssrc_stats = expected_.substreams[ssrc];
99 // Add statistics with some arbitrary, but unique, numbers.
100 uint32_t offset = ssrc * sizeof(RtcpStatistics);
101 ssrc_stats.rtcp_stats.cumulative_lost = offset;
102 ssrc_stats.rtcp_stats.extended_max_sequence_number = offset + 1;
103 ssrc_stats.rtcp_stats.fraction_lost = offset + 2;
104 ssrc_stats.rtcp_stats.jitter = offset + 3;
105 callback->StatisticsUpdated(ssrc_stats.rtcp_stats, ssrc);
107 for (std::vector<uint32_t>::const_iterator it = config_.rtp.rtx.ssrcs.begin();
108 it != config_.rtp.rtx.ssrcs.end();
110 const uint32_t ssrc = *it;
111 SsrcStats& ssrc_stats = expected_.substreams[ssrc];
113 // Add statistics with some arbitrary, but unique, numbers.
114 uint32_t offset = ssrc * sizeof(RtcpStatistics);
115 ssrc_stats.rtcp_stats.cumulative_lost = offset;
116 ssrc_stats.rtcp_stats.extended_max_sequence_number = offset + 1;
117 ssrc_stats.rtcp_stats.fraction_lost = offset + 2;
118 ssrc_stats.rtcp_stats.jitter = offset + 3;
119 callback->StatisticsUpdated(ssrc_stats.rtcp_stats, ssrc);
121 VideoSendStream::Stats stats = statistics_proxy_->GetStats();
122 ExpectEqual(expected_, stats);
125 TEST_F(SendStatisticsProxyTest, CaptureFramerate) {
126 const int capture_fps = 31;
128 ViECaptureObserver* capture_observer = statistics_proxy_.get();
129 capture_observer->CapturedFrameRate(0, capture_fps);
131 VideoSendStream::Stats stats = statistics_proxy_->GetStats();
132 EXPECT_EQ(capture_fps, stats.input_frame_rate);
135 TEST_F(SendStatisticsProxyTest, EncodedBitrateAndFramerate) {
136 const int media_bitrate_bps = 500;
137 const int encode_fps = 29;
139 ViEEncoderObserver* encoder_observer = statistics_proxy_.get();
140 encoder_observer->OutgoingRate(0, encode_fps, media_bitrate_bps);
142 VideoSendStream::Stats stats = statistics_proxy_->GetStats();
143 EXPECT_EQ(media_bitrate_bps, stats.media_bitrate_bps);
144 EXPECT_EQ(encode_fps, stats.encode_frame_rate);
147 TEST_F(SendStatisticsProxyTest, Suspended) {
148 // Verify that the value is false by default.
149 EXPECT_FALSE(statistics_proxy_->GetStats().suspended);
151 // Verify that we can set it to true.
152 ViEEncoderObserver* encoder_observer = statistics_proxy_.get();
153 encoder_observer->SuspendChange(0, true);
154 EXPECT_TRUE(statistics_proxy_->GetStats().suspended);
156 // Verify that we can set it back to false again.
157 encoder_observer->SuspendChange(0, false);
158 EXPECT_FALSE(statistics_proxy_->GetStats().suspended);
161 TEST_F(SendStatisticsProxyTest, FrameCounts) {
162 FrameCountObserver* observer = statistics_proxy_.get();
163 for (std::vector<uint32_t>::const_iterator it = config_.rtp.ssrcs.begin();
164 it != config_.rtp.ssrcs.end();
166 const uint32_t ssrc = *it;
167 // Add statistics with some arbitrary, but unique, numbers.
168 SsrcStats& stats = expected_.substreams[ssrc];
169 uint32_t offset = ssrc * sizeof(SsrcStats);
170 stats.key_frames = offset;
171 stats.delta_frames = offset + 1;
172 observer->FrameCountUpdated(kVideoFrameKey, stats.key_frames, ssrc);
173 observer->FrameCountUpdated(kVideoFrameDelta, stats.delta_frames, ssrc);
175 for (std::vector<uint32_t>::const_iterator it = config_.rtp.rtx.ssrcs.begin();
176 it != config_.rtp.rtx.ssrcs.end();
178 const uint32_t ssrc = *it;
179 // Add statistics with some arbitrary, but unique, numbers.
180 SsrcStats& stats = expected_.substreams[ssrc];
181 uint32_t offset = ssrc * sizeof(SsrcStats);
182 stats.key_frames = offset;
183 stats.delta_frames = offset + 1;
184 observer->FrameCountUpdated(kVideoFrameKey, stats.key_frames, ssrc);
185 observer->FrameCountUpdated(kVideoFrameDelta, stats.delta_frames, ssrc);
188 VideoSendStream::Stats stats = statistics_proxy_->GetStats();
189 ExpectEqual(expected_, stats);
192 TEST_F(SendStatisticsProxyTest, DataCounters) {
193 StreamDataCountersCallback* callback = statistics_proxy_.get();
194 for (std::vector<uint32_t>::const_iterator it = config_.rtp.ssrcs.begin();
195 it != config_.rtp.ssrcs.end();
197 const uint32_t ssrc = *it;
198 StreamDataCounters& counters = expected_.substreams[ssrc].rtp_stats;
199 // Add statistics with some arbitrary, but unique, numbers.
200 uint32_t offset = ssrc * sizeof(StreamDataCounters);
201 counters.bytes = offset;
202 counters.header_bytes = offset + 1;
203 counters.fec_packets = offset + 2;
204 counters.padding_bytes = offset + 3;
205 counters.retransmitted_packets = offset + 4;
206 counters.packets = offset + 5;
207 callback->DataCountersUpdated(counters, ssrc);
209 for (std::vector<uint32_t>::const_iterator it = config_.rtp.rtx.ssrcs.begin();
210 it != config_.rtp.rtx.ssrcs.end();
212 const uint32_t ssrc = *it;
213 StreamDataCounters& counters = expected_.substreams[ssrc].rtp_stats;
214 // Add statistics with some arbitrary, but unique, numbers.
215 uint32_t offset = ssrc * sizeof(StreamDataCounters);
216 counters.bytes = offset;
217 counters.header_bytes = offset + 1;
218 counters.fec_packets = offset + 2;
219 counters.padding_bytes = offset + 3;
220 counters.retransmitted_packets = offset + 4;
221 counters.packets = offset + 5;
222 callback->DataCountersUpdated(counters, ssrc);
225 VideoSendStream::Stats stats = statistics_proxy_->GetStats();
226 ExpectEqual(expected_, stats);
229 TEST_F(SendStatisticsProxyTest, Bitrate) {
230 BitrateStatisticsObserver* observer = statistics_proxy_.get();
231 for (std::vector<uint32_t>::const_iterator it = config_.rtp.ssrcs.begin();
232 it != config_.rtp.ssrcs.end();
234 const uint32_t ssrc = *it;
235 BitrateStatistics total;
236 BitrateStatistics retransmit;
237 // Use ssrc as bitrate_bps to get a unique value for each stream.
238 total.bitrate_bps = ssrc;
239 retransmit.bitrate_bps = ssrc + 1;
240 observer->Notify(total, retransmit, ssrc);
241 expected_.substreams[ssrc].total_bitrate_bps = total.bitrate_bps;
242 expected_.substreams[ssrc].retransmit_bitrate_bps = retransmit.bitrate_bps;
244 for (std::vector<uint32_t>::const_iterator it = config_.rtp.rtx.ssrcs.begin();
245 it != config_.rtp.rtx.ssrcs.end();
247 const uint32_t ssrc = *it;
248 BitrateStatistics total;
249 BitrateStatistics retransmit;
250 // Use ssrc as bitrate_bps to get a unique value for each stream.
251 total.bitrate_bps = ssrc;
252 retransmit.bitrate_bps = ssrc + 1;
253 observer->Notify(total, retransmit, ssrc);
254 expected_.substreams[ssrc].total_bitrate_bps = total.bitrate_bps;
255 expected_.substreams[ssrc].retransmit_bitrate_bps = retransmit.bitrate_bps;
258 VideoSendStream::Stats stats = statistics_proxy_->GetStats();
259 ExpectEqual(expected_, stats);
262 TEST_F(SendStatisticsProxyTest, SendSideDelay) {
263 SendSideDelayObserver* observer = statistics_proxy_.get();
264 for (std::vector<uint32_t>::const_iterator it = config_.rtp.ssrcs.begin();
265 it != config_.rtp.ssrcs.end();
267 const uint32_t ssrc = *it;
268 // Use ssrc as avg_delay_ms and max_delay_ms to get a unique value for each
270 int avg_delay_ms = ssrc;
271 int max_delay_ms = ssrc + 1;
272 observer->SendSideDelayUpdated(avg_delay_ms, max_delay_ms, ssrc);
273 expected_.substreams[ssrc].avg_delay_ms = avg_delay_ms;
274 expected_.substreams[ssrc].max_delay_ms = max_delay_ms;
276 for (std::vector<uint32_t>::const_iterator it = config_.rtp.rtx.ssrcs.begin();
277 it != config_.rtp.rtx.ssrcs.end();
279 const uint32_t ssrc = *it;
280 // Use ssrc as avg_delay_ms and max_delay_ms to get a unique value for each
282 int avg_delay_ms = ssrc;
283 int max_delay_ms = ssrc + 1;
284 observer->SendSideDelayUpdated(avg_delay_ms, max_delay_ms, ssrc);
285 expected_.substreams[ssrc].avg_delay_ms = avg_delay_ms;
286 expected_.substreams[ssrc].max_delay_ms = max_delay_ms;
288 VideoSendStream::Stats stats = statistics_proxy_->GetStats();
289 ExpectEqual(expected_, stats);
292 TEST_F(SendStatisticsProxyTest, NoSubstreams) {
293 uint32_t exluded_ssrc =
295 *std::max_element(config_.rtp.ssrcs.begin(), config_.rtp.ssrcs.end()),
296 *std::max_element(config_.rtp.rtx.ssrcs.begin(),
297 config_.rtp.rtx.ssrcs.end())) +
299 // From RtcpStatisticsCallback.
300 RtcpStatistics rtcp_stats;
301 RtcpStatisticsCallback* rtcp_callback = statistics_proxy_.get();
302 rtcp_callback->StatisticsUpdated(rtcp_stats, exluded_ssrc);
304 // From StreamDataCountersCallback.
305 StreamDataCounters rtp_stats;
306 StreamDataCountersCallback* rtp_callback = statistics_proxy_.get();
307 rtp_callback->DataCountersUpdated(rtp_stats, exluded_ssrc);
309 // From BitrateStatisticsObserver.
310 BitrateStatistics total;
311 BitrateStatistics retransmit;
312 BitrateStatisticsObserver* bitrate_observer = statistics_proxy_.get();
313 bitrate_observer->Notify(total, retransmit, exluded_ssrc);
315 // From FrameCountObserver.
316 FrameCountObserver* fps_observer = statistics_proxy_.get();
317 fps_observer->FrameCountUpdated(kVideoFrameKey, 1, exluded_ssrc);
319 VideoSendStream::Stats stats = statistics_proxy_->GetStats();
320 EXPECT_TRUE(stats.substreams.empty());
323 } // namespace webrtc