Add operator<= for HMSF.

2 files changed, 22 insertions, 0 deletions

diff --git a/src/lib/dcpomatic_time.cc b/src/lib/dcpomatic_time.cc
index ac797f8f4..60fc5342a 100644
--- a/src/lib/dcpomatic_time.cc
+++ b/src/lib/dcpomatic_time.cc
@@ -27,6 +27,25 @@ using std::string;
 using namespace dcpomatic;
 
 
+bool
+dcpomatic::operator<=(HMSF const& a, HMSF const& b)
+{
+	if (a.h != b.h) {
+		return a.h <= b.h;
+	}
+
+	if (a.m != b.m) {
+		return a.m <= b.m;
+	}
+
+	if (a.s != b.s) {
+		return a.s <= b.s;
+	}
+
+	return a.f <= b.f;
+}
+
+
 template <>
 Time<ContentTimeDifferentiator, DCPTimeDifferentiator>::Time (DCPTime d, FrameRateChange f)
 	: _t (llrint(d.get() * f.speed_up))
diff --git a/src/lib/dcpomatic_time.h b/src/lib/dcpomatic_time.h
index 9ebb334fe..63bb86549 100644
--- a/src/lib/dcpomatic_time.h
+++ b/src/lib/dcpomatic_time.h
@@ -64,6 +64,9 @@ public:
 };
 
 
+bool operator<=(HMSF const& a, HMSF const& b);
+
+
 /** A time in seconds, expressed as a number scaled up by Time::HZ.  We want two different
  *  versions of this class, dcpomatic::ContentTime and dcpomatic::DCPTime, and we want it to be impossible to
  *  convert implicitly between the two.  Hence there's this template hack.  I'm not