Initial version of the local visualization tool for WebrtcEventLogs.
Plot graphs to python code. Generate packet, playout, sequence number and total bitrate graphs.
Add bitrate and latency plots. Generate multiple figures, and control which ones are used through command line flags.
Committed: https://crrev.com/a478786ef1513790194792010f766324a469db4d
Review-Url: https://codereview.webrtc.org/1995523002
Cr-Original-Commit-Position: refs/heads/master@{#13443}
Cr-Commit-Position: refs/heads/master@{#13463}
diff --git a/webrtc/tools/event_log_visualizer/plot_base.h b/webrtc/tools/event_log_visualizer/plot_base.h
new file mode 100644
index 0000000..925dcec
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+++ b/webrtc/tools/event_log_visualizer/plot_base.h
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+/*
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+#ifndef WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_PLOT_BASE_H_
+#define WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_PLOT_BASE_H_
+
+#include <memory>
+#include <string>
+#include <utility>
+#include <vector>
+
+namespace webrtc {
+namespace plotting {
+
+enum PlotStyle { LINE_GRAPH, BAR_GRAPH };
+
+struct TimeSeriesPoint {
+ TimeSeriesPoint(float x, float y) : x(x), y(y) {}
+ float x;
+ float y;
+};
+
+struct TimeSeries {
+ TimeSeries() = default;
+ TimeSeries(TimeSeries&& other)
+ : label(std::move(other.label)),
+ style(other.style),
+ points(std::move(other.points)) {}
+ TimeSeries& operator=(TimeSeries&& other) {
+ label = std::move(other.label);
+ style = other.style;
+ points = std::move(other.points);
+ return *this;
+ }
+
+ std::string label;
+ PlotStyle style;
+ std::vector<TimeSeriesPoint> points;
+};
+
+// This is basically a struct that represents of a general graph, with axes,
+// title and one or more data series. We make it a class only to document that
+// it also specifies an interface for the draw()ing objects.
+class Plot {
+ public:
+ virtual ~Plot() {}
+ virtual void draw() = 0;
+
+ float xaxis_min;
+ float xaxis_max;
+ std::string xaxis_label;
+ float yaxis_min;
+ float yaxis_max;
+ std::string yaxis_label;
+ std::vector<TimeSeries> series;
+ std::string title;
+};
+
+class PlotCollection {
+ public:
+ virtual ~PlotCollection() {}
+ virtual void draw() = 0;
+ virtual Plot* append_new_plot() = 0;
+
+ protected:
+ std::vector<std::unique_ptr<Plot> > plots;
+};
+
+} // namespace plotting
+} // namespace webrtc
+
+#endif // WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_PLOT_BASE_H_