More accurate calculation of export video pts; may fix #1663.

[dcpomatic.git] / src / lib / j2k_encoder.cc

diff --git a/src/lib/j2k_encoder.cc b/src/lib/j2k_encoder.cc
index 431a47e6530e8277961ebc1f5ca0a6b7f24c32c2..e5f1271006b81953979f903b1ca86ae3413c5a47 100644 (file)
--- a/src/lib/j2k_encoder.cc
+++ b/src/lib/j2k_encoder.cc
@@ -142,9 +142,9 @@ J2KEncoder::end ()
 }
 
 /** @return an estimate of the current number of frames we are encoding per second,
- *  or 0 if not known.
+ *  if known.
  */
-float
+optional<float>
 J2KEncoder::current_encoding_rate () const
 {
        return _history.rate ();