4 files changed, 34 insertions, 26 deletions

diff --git a/drumgizmo/audioinputenginedl.cc b/drumgizmo/audioinputenginedl.cc
index 93c7079..cba59fa 100644
--- a/drumgizmo/audioinputenginedl.cc
+++ b/drumgizmo/audioinputenginedl.cc
@@ -41,7 +41,7 @@ AudioInputEngineDL::AudioInputEngineDL(std::string name)
   is_jack_plugin = strstr(name.c_str(), "jack");
 
   std::string plugin = INPUT_PLUGIN_DIR"/" + name + ".so";
-  void *lib = dlopen(plugin.c_str(), RTLD_LAZY);
+  lib = dlopen(plugin.c_str(), RTLD_LAZY);
   if(!lib) {
     printf("Cannot load device: %s\n", dlerror());
     return;
@@ -124,6 +124,8 @@ AudioInputEngineDL::~AudioInputEngineDL()
 {
   i_destroy(ptr);
   if(is_jack_plugin) close_jack_client();
+  dlclose(lib);
+  lib = nullptr;
 }
 
 bool AudioInputEngineDL::init(Instruments &instruments)
diff --git a/drumgizmo/audioinputenginedl.h b/drumgizmo/audioinputenginedl.h
index ed1fb27..94bd89d 100644
--- a/drumgizmo/audioinputenginedl.h
+++ b/drumgizmo/audioinputenginedl.h
@@ -57,19 +57,21 @@ public:
   void post();
 
 private:
-  void *ptr;
-  input_create_func_t i_create;
-  input_destroy_func_t i_destroy;
-  input_init_func_t i_init;
-  input_setparm_func_t i_setparm;
-  input_start_func_t i_start;
-  input_stop_func_t i_stop;
-  input_pre_func_t i_pre;
-  input_run_func_t i_run;
-  input_post_func_t i_post;
+  void *ptr{nullptr};
+  input_create_func_t i_create{nullptr};
+  input_destroy_func_t i_destroy{nullptr};
+  input_init_func_t i_init{nullptr};
+  input_setparm_func_t i_setparm{nullptr};
+  input_start_func_t i_start{nullptr};
+  input_stop_func_t i_stop{nullptr};
+  input_pre_func_t i_pre{nullptr};
+  input_run_func_t i_run{nullptr};
+  input_post_func_t i_post{nullptr};
 
   bool is_jack_plugin;
-  JackClient *jackclient;
+  JackClient *jackclient{nullptr};
+
+	void *lib{nullptr};
 };
 
 #endif/*__DRUMGIZMO_AUDIOINPUTENGINEDL_H__*/
diff --git a/drumgizmo/audiooutputenginedl.cc b/drumgizmo/audiooutputenginedl.cc
index dad2c5c..042db4a 100644
--- a/drumgizmo/audiooutputenginedl.cc
+++ b/drumgizmo/audiooutputenginedl.cc
@@ -36,7 +36,7 @@ AudioOutputEngineDL::AudioOutputEngineDL(std::string name)
   is_jack_plugin = strstr(name.c_str(), "jack");
 
   std::string plugin = OUTPUT_PLUGIN_DIR"/" + name + ".so";
-  void *lib = dlopen(plugin.c_str(), RTLD_LAZY);
+  lib = dlopen(plugin.c_str(), RTLD_LAZY);
   if(!lib) {
     printf("Cannot load device: %s\n", dlerror());
     return;
@@ -132,6 +132,8 @@ AudioOutputEngineDL::~AudioOutputEngineDL()
 {
   o_destroy(ptr);
   if(is_jack_plugin) close_jack_client();
+  dlclose(lib);
+  lib = nullptr;
 }
 
 bool AudioOutputEngineDL::init(Channels channels)
diff --git a/drumgizmo/audiooutputenginedl.h b/drumgizmo/audiooutputenginedl.h
index 75460f3..4b31015 100644
--- a/drumgizmo/audiooutputenginedl.h
+++ b/drumgizmo/audiooutputenginedl.h
@@ -68,21 +68,23 @@ public:
   size_t samplerate();
 
 private:
-  void *ptr;
-  output_create_func_t o_create;
-  output_destroy_func_t o_destroy;
-  output_init_func_t o_init;
-  output_setparm_func_t o_setparm;
-  output_start_func_t o_start;
-  output_stop_func_t o_stop;
-  output_pre_func_t o_pre;
-  output_run_func_t o_run;
-  output_post_func_t o_post;
-  output_bufsize_func_t o_bufsize;
-  output_samplerate_func_t o_samplerate;
+  void *ptr{nullptr};
+  output_create_func_t o_create{nullptr};
+  output_destroy_func_t o_destroy{nullptr};
+  output_init_func_t o_init{nullptr};
+  output_setparm_func_t o_setparm{nullptr};
+  output_start_func_t o_start{nullptr};
+  output_stop_func_t o_stop{nullptr};
+  output_pre_func_t o_pre{nullptr};
+  output_run_func_t o_run{nullptr};
+  output_post_func_t o_post{nullptr};
+  output_bufsize_func_t o_bufsize{nullptr};
+  output_samplerate_func_t o_samplerate{nullptr};
 
   bool is_jack_plugin;
-  JackClient *jackclient;
+  JackClient *jackclient{nullptr};
+
+	void* lib{nullptr};
 };
 
 #endif/*__DRUMGIZMO_AUDIOOUTPUTENGINEDL_H__*/