X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=print_latency.h;h=3b0adb1e77244e0b422e93118e6c36c1e92295d4;hb=96cb6414f85e0ef4d660b7bd56267303e80fcd05;hp=0e880ca1e75273d2018c594c3a08dd77cb8e8cb9;hpb=8c5fb6a77a16f30a32121971db749a211f8050ad;p=nageru

diff --git a/print_latency.h b/print_latency.h
index 0e880ca..3b0adb1 100644
--- a/print_latency.h
+++ b/print_latency.h
@@ -10,17 +10,23 @@
 #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
-// and largest timestamp, so that we can print out a range.
-// For both of these, steady_clock::time_point::min() is used for “not set”.
+// more than one start timestamp; one for each input.
+// For all of these, steady_clock::time_point::min() is used for “not set”.
 struct ReceivedTimestamps {
-	std::chrono::steady_clock::time_point min_ts, max_ts;
+	std::vector<std::chrono::steady_clock::time_point> ts;
+};
+struct LatencyHistogram {
+	void init(const std::string &measuring_point);  // Initializes histograms and registers them in global_metrics.
+
+	// Indices: card number, frame history number, b-frame or not (1/0).
+	std::vector<std::vector<std::unique_ptr<Histogram[]>>> histograms;
 };
 
 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)