Symmetric x-fade, use equivalent of -6dB per step for 7 steps.

[ardour.git] / libs / ardour / panner_manager.cc

diff --git a/libs/ardour/panner_manager.cc b/libs/ardour/panner_manager.cc
index ec5b675731379994fdb4f197026f700d5b00b7f8..b14c7c79cf532efcf4a969e9495c327f4ef0ac47 100644 (file)
--- a/libs/ardour/panner_manager.cc
+++ b/libs/ardour/panner_manager.cc
@@ -29,7 +29,8 @@
 
 #include "ardour/debug.h"
 #include "ardour/panner_manager.h"
-#include "ardour/panner_search_path.h"
+
+#include "ardour/search_paths.h"
 
 #include "i18n.h"
 
@@ -62,10 +63,27 @@ PannerManager::instance ()
 
 static bool panner_filter (const string& str, void */*arg*/)
 {
-#ifdef __APPLE__
+#ifdef COMPILER_MSVC
+   /**
+    * Different build targets (Debug / Release etc) use different versions
+    * of the 'C' runtime (which can't be 'mixed & matched'). Therefore, in
+    * case the supplied search path contains multiple version(s) of a given
+    * panner module, only select the one(s) which match the current build
+    * target (otherwise, all hell will break loose !!)
+    */
+       #if defined (_DEBUG)
+               return str.length() > 12 && (str.find ("panner_") == 0) && (str.find ("D.dll") == (str.length() - 5));
+       #elif defined (RDC_BUILD)
+               return str.length() > 14 && (str.find ("panner_") == 0) && (str.find ("RDC.dll") == (str.length() - 7));
+       #elif defined (_WIN64)
+               return str.length() > 13 && (str.find ("panner_") == 0) && (str.find ("64.dll") == (str.length() - 6));
+       #else
+               return str.length() > 13 && (str.find ("panner_") == 0) && (str.find ("32.dll") == (str.length() - 6));
+       #endif
+#elif defined (__APPLE__)
        return str[0] != '.' && (str.length() > 6 && str.find (".dylib") == (str.length() - 6));
 #else
-       return str[0] != '.' && (str.length() > 3 && str.find (".so") == (str.length() - 3));
+       return str[0] != '.' && (str.length() > 3 && (str.find (".so") == (str.length() - 3) || str.find (".dll") == (str.length() - 4)));
 #endif
 }
 
@@ -83,6 +101,7 @@ PannerManager::discover_panners ()
        for (vector<std::string *>::iterator i = panner_modules->begin(); i != panner_modules->end(); ++i) {
                panner_discover (**i);
        }
+
        vector_delete (panner_modules);
 }
 
@@ -113,31 +132,33 @@ PannerManager::panner_discover (string path)
 PannerInfo*
 PannerManager::get_descriptor (string path)
 {
-       void *module;
+       Glib::Module* module = new Glib::Module(path);
        PannerInfo* info = 0;
        PanPluginDescriptor *descriptor = 0;
        PanPluginDescriptor* (*dfunc)(void);
-       const char *errstr;
+       void* func = 0;
 
-       if ((module = dlopen (path.c_str(), RTLD_NOW)) == 0) {
-               error << string_compose(_("PannerManager: cannot load module \"%1\" (%2)"), path, dlerror()) << endmsg;
+       if (!module) {
+               error << string_compose(_("PannerManager: cannot load module \"%1\" (%2)"), path,
+                               Glib::Module::get_last_error()) << endmsg;
+               delete module;
                return 0;
        }
 
-       dfunc = (PanPluginDescriptor* (*)(void)) dlsym (module, "panner_descriptor");
-
-       if ((errstr = dlerror()) != 0) {
+       if (!module->get_symbol("panner_descriptor", func)) {
                error << string_compose(_("PannerManager: module \"%1\" has no descriptor function."), path) << endmsg;
-               error << errstr << endmsg;
-               dlclose (module);
+               error << Glib::Module::get_last_error() << endmsg;
+               delete module;
                return 0;
        }
 
+       dfunc = (PanPluginDescriptor* (*)(void))func;
        descriptor = dfunc();
+
        if (descriptor) {
                info = new PannerInfo (*descriptor, module);
        } else {
-               dlclose (module);
+               delete module;
        }
 
        return info;