terelius | 54ce680 | 2016-07-13 06:44:41 -0700 | [diff] [blame^] | 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_ |