Replay: print timestamp every 5 seconds (#20752)

* Replay: print timestamp every 5 seconds

* include abs

* rename last_print

selfdrive/ui/replay/Unlogger.cpp

@@ -1,3 +1,4 @@
+#include <cmath>
 #include <string>
 #include <vector>
 #include <capnp/dynamic.h>
@@ -126,6 +127,13 @@ void Unlogger::process(SubMaster *sm) {
       tc = tm;
       if (it != socks.end()) {
         long etime = tm-t0;
+
+        float timestamp = etime/1e9;
+        if(std::abs(timestamp-last_print) > 5.0){
+          last_print = timestamp;
+          printf("at %f\n", last_print);
+        }
+
         long rtime = timer.nsecsElapsed() - t0r;
         long us_behind = ((etime-rtime)*1e-3)+0.5;
         if (us_behind > 0) {

selfdrive/ui/replay/Unlogger.hpp

@@ -31,6 +31,7 @@ Q_OBJECT
     QMap<std::string, PubSocket*> socks;
     Context *ctx;
     uint64_t tc = 0;
+    float last_print = 0;
     uint64_t seek_request = 0;
     bool paused = false;
     bool loading_segment = false;