diff options
Diffstat (limited to 'src/libs/engine/LADSPANode.hpp')
| -rw-r--r-- | src/libs/engine/LADSPANode.hpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/libs/engine/LADSPANode.hpp b/src/libs/engine/LADSPANode.hpp index abadcf9f..53d7ad9e 100644 --- a/src/libs/engine/LADSPANode.hpp +++ b/src/libs/engine/LADSPANode.hpp @@ -20,6 +20,7 @@ #include <string> #include <ladspa.h> +#include <boost/optional.hpp> #include "types.hpp" #include "NodeBase.hpp" #include "PluginImpl.hpp" @@ -57,7 +58,10 @@ public: void set_port_buffer(uint32_t voice, uint32_t port_num, Buffer* buf); protected: - void get_port_limits(unsigned long port_index, Sample& default_value, Sample& lower_bound, Sample& upper_bound); + void get_port_limits(unsigned long port_index, + boost::optional<Sample>& default_value, + boost::optional<Sample>& lower_bound, + boost::optional<Sample>& upper_bound); const LADSPA_Descriptor* _descriptor; Raul::Array<LADSPA_Handle>* _instances; |