Make sound asset language optional.

[libdcp.git] / src / sound_asset.h

diff --git a/src/sound_asset.h b/src/sound_asset.h
index e58773e4c90adc7a35309a75dc6d3beefc05aac2..79edea96b7992dc15d05d30e319cb2073424a5b2 100644 (file)
--- a/src/sound_asset.h
+++ b/src/sound_asset.h
@@ -102,7 +102,7 @@ public:
                return _intrinsic_duration;
        }
 
-       std::string language () const {
+       boost::optional<std::string> language () const {
                return _language;
        }
 
@@ -126,7 +126,7 @@ private:
        int64_t _intrinsic_duration = 0;
        int _channels = 0;      ///< number of channels
        int _sampling_rate = 0; ///< sampling rate in Hz
-       std::string _language;
+       boost::optional<std::string> _language;
 };