1 /*
2 * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
3 *
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.
9 */
10
11 #include "modules/audio_coding/neteq/tools/neteq_stats_plotter.h"
12
13 #include <inttypes.h>
14 #include <stdio.h>
15
16 #include <utility>
17
18 namespace webrtc {
19 namespace test {
20
NetEqStatsPlotter(bool make_matlab_plot,bool make_python_plot,bool show_concealment_events,std::string base_file_name)21 NetEqStatsPlotter::NetEqStatsPlotter(bool make_matlab_plot,
22 bool make_python_plot,
23 bool show_concealment_events,
24 std::string base_file_name)
25 : make_matlab_plot_(make_matlab_plot),
26 make_python_plot_(make_python_plot),
27 show_concealment_events_(show_concealment_events),
28 base_file_name_(base_file_name) {
29 std::unique_ptr<NetEqDelayAnalyzer> delay_analyzer;
30 if (make_matlab_plot || make_python_plot) {
31 delay_analyzer.reset(new NetEqDelayAnalyzer);
32 }
33 stats_getter_.reset(new NetEqStatsGetter(std::move(delay_analyzer)));
34 }
35
SimulationEnded(int64_t simulation_time_ms,NetEq *)36 void NetEqStatsPlotter::SimulationEnded(int64_t simulation_time_ms,
37 NetEq* /*neteq*/) {
38 if (make_matlab_plot_) {
39 auto matlab_script_name = base_file_name_;
40 std::replace(matlab_script_name.begin(), matlab_script_name.end(), '.',
41 '_');
42 printf("Creating Matlab plot script %s.m\n", matlab_script_name.c_str());
43 stats_getter_->delay_analyzer()->CreateMatlabScript(matlab_script_name +
44 ".m");
45 }
46 if (make_python_plot_) {
47 auto python_script_name = base_file_name_;
48 std::replace(python_script_name.begin(), python_script_name.end(), '.',
49 '_');
50 printf("Creating Python plot script %s.py\n", python_script_name.c_str());
51 stats_getter_->delay_analyzer()->CreatePythonScript(python_script_name +
52 ".py");
53 }
54
55 printf("Simulation statistics:\n");
56 printf(" output duration: %" PRId64 " ms\n", simulation_time_ms);
57 auto stats = stats_getter_->AverageStats();
58 printf(" packet_loss_rate: %f %%\n", 100.0 * stats.packet_loss_rate);
59 printf(" expand_rate: %f %%\n", 100.0 * stats.expand_rate);
60 printf(" speech_expand_rate: %f %%\n", 100.0 * stats.speech_expand_rate);
61 printf(" preemptive_rate: %f %%\n", 100.0 * stats.preemptive_rate);
62 printf(" accelerate_rate: %f %%\n", 100.0 * stats.accelerate_rate);
63 printf(" secondary_decoded_rate: %f %%\n",
64 100.0 * stats.secondary_decoded_rate);
65 printf(" secondary_discarded_rate: %f %%\n",
66 100.0 * stats.secondary_discarded_rate);
67 printf(" clockdrift_ppm: %f ppm\n", stats.clockdrift_ppm);
68 printf(" mean_waiting_time_ms: %f ms\n", stats.mean_waiting_time_ms);
69 printf(" median_waiting_time_ms: %f ms\n", stats.median_waiting_time_ms);
70 printf(" min_waiting_time_ms: %f ms\n", stats.min_waiting_time_ms);
71 printf(" max_waiting_time_ms: %f ms\n", stats.max_waiting_time_ms);
72 printf(" current_buffer_size_ms: %f ms\n", stats.current_buffer_size_ms);
73 printf(" preferred_buffer_size_ms: %f ms\n", stats.preferred_buffer_size_ms);
74 if (show_concealment_events_) {
75 printf(" concealment_events_ms:\n");
76 for (auto concealment_event : stats_getter_->concealment_events())
77 printf("%s\n", concealment_event.ToString().c_str());
78 printf(" end of concealment_events_ms\n");
79 }
80
81 const auto lifetime_stats_vector = stats_getter_->lifetime_stats();
82 if (!lifetime_stats_vector->empty()) {
83 auto lifetime_stats = lifetime_stats_vector->back().second;
84 printf(" total_samples_received: %" PRIu64 "\n",
85 lifetime_stats.total_samples_received);
86 printf(" concealed_samples: %" PRIu64 "\n",
87 lifetime_stats.concealed_samples);
88 printf(" concealment_events: %" PRIu64 "\n",
89 lifetime_stats.concealment_events);
90 printf(" delayed_packet_outage_samples: %" PRIu64 "\n",
91 lifetime_stats.delayed_packet_outage_samples);
92 printf(" num_interruptions: %d\n", lifetime_stats.interruption_count);
93 printf(" sum_interruption_length_ms: %d ms\n",
94 lifetime_stats.total_interruption_duration_ms);
95 printf(" interruption_ratio: %f\n",
96 static_cast<double>(lifetime_stats.total_interruption_duration_ms) /
97 simulation_time_ms);
98 }
99 }
100
101 } // namespace test
102 } // namespace webrtc
103