Initial community commit

Src/nsmkv/mkv_date.cpp

@@ -0,0 +1,8 @@
+#include "mkv_date.h"
+
+__time64_t mkv_date_as_time_t(mkv_date_t val)
+{
+	__time64_t val_time = (__time64_t)val / 1000ULL /*nano->micro*/ / 1000ULL /*micro->milli*/ / 1000ULL /*milli->second*/;
+	val_time+=978325200ULL;
+	return val_time;
+}