1 files changed, 4 insertions, 4 deletions
diff --git a/drumgizmo/output/jackaudio.cc b/drumgizmo/output/jackaudio.cc
index 90ac63b..7710e14 100644
--- a/drumgizmo/output/jackaudio.cc
+++ b/drumgizmo/output/jackaudio.cc
@@ -43,7 +43,7 @@ JackAudioOutputEngine::~JackAudioOutputEngine()
 	client.remove(*this);
 }
 
-bool JackAudioOutputEngine::init(Channels data)
+bool JackAudioOutputEngine::init(const Channels& data)
 {
 	channels.clear();
 	channels.reserve(data.size());
@@ -67,7 +67,7 @@ bool JackAudioOutputEngine::init(Channels data)
 	return true;
 }
 
-void JackAudioOutputEngine::setParm(std::string parm, std::string value)
+void JackAudioOutputEngine::setParm(const std::string& parm, const std::string& value)
 {
 }
 
@@ -113,12 +113,12 @@ void JackAudioOutputEngine::process(jack_nframes_t num_frames)
 	sema.post();
 }
 
-size_t JackAudioOutputEngine::getBufferSize()
+size_t JackAudioOutputEngine::getBufferSize() const
 {
 	return client.getBufferSize();
 }
 
-size_t JackAudioOutputEngine::samplerate()
+size_t JackAudioOutputEngine::getSamplerate() const
 {
 	return client.getSampleRate();
 }