Define a protobuf format for representing plots. Add code to convert the C-representation generated by the RtcEventLog analysis tool, to the new protobuf format.
BUG=webrtc:6249
NOTRY=True
Review-Url: https://codereview.webrtc.org/2268063002
Cr-Commit-Position: refs/heads/master@{#13873}
diff --git a/webrtc/tools/event_log_visualizer/plot_protobuf.h b/webrtc/tools/event_log_visualizer/plot_protobuf.h
new file mode 100644
index 0000000..1ea525b
--- /dev/null
+++ b/webrtc/tools/event_log_visualizer/plot_protobuf.h
@@ -0,0 +1,39 @@
+/*
+ * 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_PROTOBUF_H_
+#define WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_PLOT_PROTOBUF_H_
+
+#include "webrtc/tools/event_log_visualizer/graph.pb.h"
+#include "webrtc/tools/event_log_visualizer/plot_base.h"
+
+namespace webrtc {
+namespace plotting {
+
+class ProtobufPlot final : public Plot {
+ public:
+ ProtobufPlot();
+ ~ProtobufPlot() override;
+ void Draw() override;
+ void ExportProtobuf(protobuf_plot::Plot* plot);
+};
+
+class ProtobufPlotCollection final : public PlotCollection {
+ public:
+ ProtobufPlotCollection();
+ ~ProtobufPlotCollection() override;
+ void Draw() override;
+ Plot* AppendNewPlot() override;
+ void ExportProtobuf(protobuf_plot::PlotCollection* collection);
+};
+
+} // namespace plotting
+} // namespace webrtc
+
+#endif // WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_PLOT_PROTOBUF_H_