Add exported metrics for all the latency measurements.

[nageru] / print_latency.h

diff --git a/print_latency.h b/print_latency.h
index 0e880ca1e75273d2018c594c3a08dd77cb8e8cb9..1c937c58856a7cb2a511e7856ebbf1c51fc87c24 100644 (file)
--- a/print_latency.h
+++ b/print_latency.h
@@ -10,6 +10,7 @@
 #include <vector>
 
 #include "ref_counted_frame.h"
+#include "metrics.h"
 
 // Since every output frame is based on multiple input frames, we need
 // more than one start timestamp. For now, we keep just the smallest
@@ -18,9 +19,15 @@
 struct ReceivedTimestamps {
        std::chrono::steady_clock::time_point min_ts, max_ts;
 };
+struct LatencyHistogram {
+       void init(const std::string &measuring_point);  // Initializes histograms and registers them in global_metrics.
+
+       Histogram histogram_lowest_latency_input, histogram_highest_latency_input;
+       Histogram histogram_lowest_latency_input_bframe, histogram_highest_latency_input_bframe;
+};
 
 ReceivedTimestamps find_received_timestamp(const std::vector<RefCountedFrame> &input_frames);
 
-void print_latency(const std::string &header, const ReceivedTimestamps &received_ts, bool is_b_frame, int *frameno);
+void print_latency(const std::string &header, const ReceivedTimestamps &received_ts, bool is_b_frame, int *frameno, LatencyHistogram *histogram);
 
 #endif  // !defined(_PRINT_LATENCY_H)