Fix native vst path (VST_NATIVE_PATH, VST_PATH, then preset).

Also ladspa, dssi paths. Added -help text.

4 files changed, 69 insertions, 8 deletions

diff --git a/muse2/muse/dssihost.cpp b/muse2/muse/dssihost.cpp
index f62d1434..8e49b368 100644
--- a/muse2/muse/dssihost.cpp
+++ b/muse2/muse/dssihost.cpp
@@ -32,6 +32,7 @@
 // Support vst state saving/loading with vst chunks. 
 //#define DSSI_VST_CHUNK_SUPPORT    
 
+#include <string>
 #include <string.h>
 #include <signal.h>
 #include <dlfcn.h>
@@ -187,10 +188,14 @@ static void scanDSSIDir(const QString& s)
 
 void initDSSI()
       {
+      std::string s;
       const char* dssiPath = getenv("DSSI_PATH");
       if (dssiPath == 0)
-            dssiPath = "/usr/local/lib64/dssi:/usr/lib64/dssi:/usr/local/lib/dssi:/usr/lib/dssi";
-
+      {
+          const char* home = getenv("HOME");
+          s = std::string(home) + std::string("/dssi:/usr/local/lib64/dssi:/usr/lib64/dssi:/usr/local/lib/dssi:/usr/lib/dssi");
+          dssiPath = s.c_str();
+      }
       const char* p = dssiPath;
       while (*p != '\0') {
             const char* pe = p;
diff --git a/muse2/muse/main.cpp b/muse2/muse/main.cpp
index e233a28e..644fe65d 100644
--- a/muse2/muse/main.cpp
+++ b/muse2/muse/main.cpp
@@ -277,6 +277,22 @@ static void usage(const char* prog, const char* txt)
                       "   -graphicssystem            Set backend used for on-screen widgets/QPixmaps: raster or opengl\n"
                       "   -qmljsdebugger = port      Activate QML/JS debugger with port, formatted port:1234[,block]\n" 
       );
+
+      fprintf(stderr, "\n");
+
+      fprintf(stderr, "Some useful environment variables:\n");
+      fprintf(stderr, "   LADSPA_PATH: Override where to look for ladspa plugins, or else\n"
+                      "     ~/ladspa:/usr/local/lib64/ladspa:/usr/lib64/ladspa:/usr/local/lib/ladspa:/usr/lib/ladspa\n\n");
+#ifdef DSSI_SUPPORT
+      fprintf(stderr, "   DSSI_PATH: Override where to look for dssi plugins (dssi-vst plugins: VST_PATH), or else\n"
+                      "     ~/dssi:/usr/local/lib64/dssi:/usr/lib64/dssi:/usr/local/lib/dssi:/usr/lib/dssi\n\n" );
+#endif
+#ifdef VST_NATIVE_SUPPORT
+      fprintf(stderr, "   VST_NATIVE_PATH: Override where to look for native vst plugins, or else VST_PATH, or else\n"
+                      "     ~/vst:/usr/local/lib64/vst:/usr/local/lib/vst:/usr/lib64/vst:/usr/lib/vst\n\n");
+#endif
+
+      fprintf(stderr, "   LANG: Help browser language suffix (en etc.)\n");
       
       fprintf(stderr, "\n");
       }
diff --git a/muse2/muse/plugin.cpp b/muse2/muse/plugin.cpp
index 0ca7524c..203aac63 100644
--- a/muse2/muse/plugin.cpp
+++ b/muse2/muse/plugin.cpp
@@ -26,6 +26,7 @@
 #include <stdlib.h>
 #include <dlfcn.h>
 #include <cmath>
+#include <string>
 #include <math.h>
 #include <sys/stat.h>
 
@@ -1076,13 +1077,18 @@ void initPlugins()
       {
       loadPluginDir(MusEGlobal::museGlobalLib + QString("/plugins"));
 
+      std::string s;
       const char* p = 0;
       
       // Take care of DSSI plugins first...
       #ifdef DSSI_SUPPORT
       const char* dssiPath = getenv("DSSI_PATH");
       if (dssiPath == 0)
-            dssiPath = "/usr/local/lib64/dssi:/usr/lib64/dssi:/usr/local/lib/dssi:/usr/lib/dssi";
+      {
+          const char* home = getenv("HOME");
+          s = std::string(home) + std::string("/dssi:/usr/local/lib64/dssi:/usr/lib64/dssi:/usr/local/lib/dssi:/usr/lib/dssi");
+          dssiPath = s.c_str();
+      }
       p = dssiPath;
       while (*p != '\0') {
             const char* pe = p;
@@ -1106,7 +1112,11 @@ void initPlugins()
       // Now do LADSPA plugins...
       const char* ladspaPath = getenv("LADSPA_PATH");
       if (ladspaPath == 0)
-            ladspaPath = "/usr/local/lib64/ladspa:/usr/lib64/ladspa:/usr/local/lib/ladspa:/usr/lib/ladspa";
+      {
+          const char* home = getenv("HOME");
+          s = std::string(home) + std::string("/ladspa:/usr/local/lib64/ladspa:/usr/lib64/ladspa:/usr/local/lib/ladspa:/usr/lib/ladspa");
+          ladspaPath = s.c_str();
+      }
       p = ladspaPath;
       
       if(MusEGlobal::debugMsg)
diff --git a/muse2/muse/vst_native.cpp b/muse2/muse/vst_native.cpp
index 4cfc6113..bc058e9c 100644
--- a/muse2/muse/vst_native.cpp
+++ b/muse2/muse/vst_native.cpp
@@ -33,6 +33,7 @@
 #include <dlfcn.h>
 #include <cmath>
 #include <set>
+#include <string>
 #include <jack/jack.h>
 
 #include "globals.h"
@@ -456,10 +457,39 @@ static void scanVstNativeDir(const QString& s)
 
 void initVST_Native()
       {
-      const char* vstPath = getenv("VST_NATIVE_PATH");  // FIXME TODO: What's the right path and env var?
-      if (vstPath == 0)
-            vstPath = "/usr/lib/vst:/usr/local/lib/vst";
-
+      std::string s;
+      const char* vstPath = getenv("VST_NATIVE_PATH");
+      if (vstPath)
+      {
+        if (MusEGlobal::debugMsg)
+            fprintf(stderr, "scan native vst: VST_NATIVE_PATH is: %s\n", vstPath);
+      }
+      else
+      {
+        if (MusEGlobal::debugMsg)
+            fprintf(stderr, "scan native vst: VST_NATIVE_PATH not set\n");
+      }
+      
+      if(!vstPath)
+      {
+        vstPath = getenv("VST_PATH");
+        if (vstPath)
+        {
+          if (MusEGlobal::debugMsg)
+              fprintf(stderr, "scan native vst: VST_PATH is: %s\n", vstPath);
+        }
+        else
+        {
+          if (MusEGlobal::debugMsg)
+              fprintf(stderr, "scan native vst: VST_PATH not set\n");
+          const char* home = getenv("HOME");
+          s = std::string(home) + std::string("/vst:/usr/local/lib64/vst:/usr/local/lib/vst:/usr/lib64/vst:/usr/lib/vst");
+          vstPath = s.c_str();
+          if (MusEGlobal::debugMsg)
+              fprintf(stderr, "scan native vst: defaulting to path: %s\n", vstPath);
+        }
+      }
+      
       const char* p = vstPath;
       while (*p != '\0') {
             const char* pe = p;