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1 /* | |
2 * Copyright (c) 2016 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 #ifndef WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_ANALYZER_H_ | |
12 #define WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_ANALYZER_H_ | |
13 | |
14 #include <vector> | |
15 | |
16 #include "webrtc/call/rtc_event_log_parser.h" | |
17 #include "webrtc/tools/event_log_visualizer/plot_base.h" | |
18 | |
19 namespace webrtc { | |
20 namespace plotting { | |
21 | |
22 class EventLogAnalyzer { | |
23 public: | |
24 // The EventLogAnalyzer keeps a reference to the ParsedRtcEventLog for the | |
25 // duration of its lifetime. The ParsedRtcEventLog must not be destroyed or | |
26 // modified while the EventLogAnalyzer is being used. | |
27 explicit EventLogAnalyzer(const ParsedRtcEventLog& log); | |
28 | |
29 void CreatePacketGraph(PacketDirection desired_direction, Plot* plot); | |
30 | |
31 void CreatePlayoutGraph(Plot* plot); | |
32 | |
33 void CreateSequenceNumberGraph(Plot* plot); | |
34 | |
35 void CreateDelayChangeGraph(Plot* plot); | |
36 | |
37 void CreateAccumulatedDelayChangeGraph(Plot* plot); | |
38 | |
39 void CreateTotalBitrateGraph(PacketDirection desired_direction, Plot* plot); | |
40 | |
41 void CreateStreamBitrateGraph(PacketDirection desired_direction, Plot* plot); | |
42 | |
43 private: | |
44 const ParsedRtcEventLog& parsed_log_; | |
45 | |
46 // A list of SSRCs we are interested in analysing. | |
47 // If left empty, all SSRCs will be considered relevant. | |
48 std::vector<uint32_t> desired_ssrc_; | |
49 | |
50 // Window and step size used for calculating moving averages, e.g. bitrate. | |
51 // The generated data points will be |step_| microseconds apart. | |
52 // Only events occuring at most |window_duration_| microseconds before the | |
53 // current data point will be part of the average. | |
54 uint64_t window_duration_; | |
55 uint64_t step_; | |
56 | |
57 // First and last events of the log. | |
58 uint64_t begin_time_; | |
59 uint64_t end_time_; | |
60 }; | |
61 | |
62 } // namespace plotting | |
63 } // namespace webrtc | |
64 | |
65 #endif // WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_ANALYZER_H_ | |
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