Pre-serialize only the labels for metrics; the ordering constraints did not really...

[nageru] / print_latency.h

diff --git a/print_latency.h b/print_latency.h
index 9d8a93b0ff47a751826dd44206268fb307b18775..1c937c58856a7cb2a511e7856ebbf1c51fc87c24 100644 (file)
--- a/print_latency.h
+++ b/print_latency.h
@@ -7,6 +7,10 @@
 
 #include <chrono>
 #include <string>
+#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
@@ -15,7 +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)