Add support for hosting staticly linked VSTs

modules/juce_audio_processors/format/juce_AudioPluginFormatManager.cpp

@@ -65,7 +65,7 @@ void AudioPluginFormatManager::addDefaultFormats()
     // you should only call this method once!
     for (int i = formats.size(); --i >= 0;)
     {
-       #if JUCE_PLUGINHOST_VST && (JUCE_MAC || JUCE_WINDOWS || JUCE_LINUX)
+       #if JUCE_PLUGINHOST_VST && (JUCE_MAC || JUCE_WINDOWS || JUCE_LINUX || JUCE_IOS)
         jassert (dynamic_cast<VSTPluginFormat*> (formats[i]) == nullptr);
        #endif
 
@@ -87,7 +87,7 @@ void AudioPluginFormatManager::addDefaultFormats()
     formats.add (new AudioUnitPluginFormat());
    #endif
 
-   #if JUCE_PLUGINHOST_VST && (JUCE_MAC || JUCE_WINDOWS || JUCE_LINUX)
+   #if JUCE_PLUGINHOST_VST && (JUCE_MAC || JUCE_WINDOWS || JUCE_LINUX || JUCE_IOS)
     formats.add (new VSTPluginFormat());
    #endif
 

modules/juce_audio_processors/format_types/juce_VSTPluginFormat.cpp

@@ -22,7 +22,7 @@
   ==============================================================================
 */
 
-#if JUCE_PLUGINHOST_VST && (JUCE_MAC || JUCE_WINDOWS || JUCE_LINUX)
+#if JUCE_PLUGINHOST_VST && (JUCE_MAC || JUCE_WINDOWS || JUCE_LINUX || JUCE_IOS)
 
 //==============================================================================
 #if JUCE_MAC && JUCE_SUPPORT_CARBON
@@ -165,7 +165,7 @@ namespace
     {
        #if JUCE_WINDOWS
         return timeGetTime() * 1000000.0;
-       #elif JUCE_LINUX
+       #elif JUCE_LINUX || JUCE_IOS
         timeval micro;
         gettimeofday (&micro, 0);
         return micro.tv_usec * 1000.0;
@@ -378,7 +378,7 @@ public:
     {
         getActiveModules().add (this);
 
-       #if JUCE_WINDOWS || JUCE_LINUX
+       #if JUCE_WINDOWS || JUCE_LINUX || JUCE_IOS
         fullParentDirectoryPathName = f.getParentDirectory().getFullPathName();
        #elif JUCE_MAC
         FSRef ref;
@@ -394,9 +394,12 @@ public:
     }
 
     //==============================================================================
-#if JUCE_WINDOWS || JUCE_LINUX
-    DynamicLibrary module;
+   #if ! JUCE_MAC
     String fullParentDirectoryPathName;
+   #endif
+
+  #if JUCE_WINDOWS || JUCE_LINUX
+    DynamicLibrary module;
 
     bool open()
     {
@@ -460,11 +463,14 @@ public:
         return String();
     }
    #endif
-#else
+  #else
     Handle resHandle;
     CFBundleRef bundleRef;
+
+   #if JUCE_MAC
+    CFBundleRefNum resFileId;
     FSSpec parentDirFSSpec;
-    ResFileRefNum resFileId;
+   #endif
 
     bool open()
     {
@@ -510,13 +516,18 @@ public:
                             if (pluginName.isEmpty())
                                 pluginName = file.getFileNameWithoutExtension();
 
+                           #if JUCE_MAC
                             resFileId = CFBundleOpenBundleResourceMap (bundleRef);
+                           #endif
 
                             ok = true;
 
                             Array<File> vstXmlFiles;
-                            file.getChildFile ("Contents")
+                            file
+                               #if JUCE_MAC
+                                .getChildFile ("Contents")
                                 .getChildFile ("Resources")
+                               #endif
                                 .findChildFiles (vstXmlFiles, File::findFiles, false, "*.vstxml");
 
                             if (vstXmlFiles.size() > 0)
@@ -541,7 +552,9 @@ public:
     {
         if (bundleRef != 0)
         {
+           #if JUCE_MAC
             CFBundleCloseBundleResourceMap (bundleRef, resFileId);
+           #endif
 
             if (CFGetRetainCount (bundleRef) == 1)
                 CFBundleUnloadExecutable (bundleRef);
@@ -556,7 +569,7 @@ public:
         eff->dispatcher (eff, effClose, 0, 0, 0, 0);
     }
 
-#endif
+  #endif
 
 private:
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ModuleHandle)
@@ -875,7 +888,12 @@ public:
     }
 
     //==============================================================================
+   #if JUCE_IOS
+    bool hasEditor() const override                  { return false; }
+   #else
     bool hasEditor() const override                  { return effect != nullptr && (effect->flags & effFlagsHasEditor) != 0; }
+   #endif
+
     AudioProcessorEditor* createEditor() override;
 
     //==============================================================================
@@ -1806,6 +1824,7 @@ private:
 };
 
 //==============================================================================
+#if ! JUCE_IOS
 class VSTPluginWindow;
 static Array<VSTPluginWindow*> activeVSTWindows;
 
@@ -2544,7 +2563,7 @@ private:
 
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (VSTPluginWindow)
 };
-
+#endif
 #if JUCE_MSVC
  #pragma warning (pop)
 #endif
@@ -2552,8 +2571,12 @@ private:
 //==============================================================================
 AudioProcessorEditor* VSTPluginInstance::createEditor()
 {
+   #if JUCE_IOS
+    return nullptr;
+   #else
     return hasEditor() ? new VSTPluginWindow (*this)
                        : nullptr;
+   #endif
 }
 
 //==============================================================================
@@ -2690,7 +2713,7 @@ bool VSTPluginFormat::fileMightContainThisPluginType (const String& fileOrIdenti
 {
     const File f (File::createFileWithoutCheckingPath (fileOrIdentifier));
 
-  #if JUCE_MAC
+  #if JUCE_MAC || JUCE_IOS
     return f.isDirectory() && f.hasFileExtension (".vst");
   #elif JUCE_WINDOWS
     return f.existsAsFile() && f.hasFileExtension (".dll");
@@ -2765,6 +2788,19 @@ FileSearchPath VSTPluginFormat::getDefaultLocationsToSearch()
     paths.add (WindowsRegistry::getValue ("HKEY_LOCAL_MACHINE\\Software\\VST\\VSTPluginsPath",
                                           programFiles + "\\VstPlugins"));
     return paths;
+   #elif JUCE_IOS
+    // on iOS you can only load plug-ins inside the hosts bundle folder
+    CFURLRef relativePluginDir = CFBundleCopyBuiltInPlugInsURL (CFBundleGetMainBundle());
+    CFURLRef pluginDir = CFURLCopyAbsoluteURL (relativePluginDir);
+    CFRelease (relativePluginDir);
+
+    CFStringRef path = CFURLCopyFileSystemPath (pluginDir, kCFURLPOSIXPathStyle);
+    CFRelease (pluginDir);
+
+    FileSearchPath retval (String (CFStringGetCStringPtr (path, kCFStringEncodingUTF8)));
+    CFRelease (path);
+
+    return retval;
    #endif
 }
 

modules/juce_audio_processors/format_types/juce_VSTPluginFormat.h

@@ -22,7 +22,7 @@
   ==============================================================================
 */
 
-#if (JUCE_PLUGINHOST_VST && (JUCE_MAC || JUCE_WINDOWS || JUCE_LINUX)) || DOXYGEN
+#if (JUCE_PLUGINHOST_VST && (JUCE_MAC || JUCE_WINDOWS || JUCE_LINUX || JUCE_IOS)) || DOXYGEN
 
 //==============================================================================
 /**

modules/juce_audio_processors/scanning/juce_PluginListComponent.cpp

@@ -348,8 +348,10 @@ public:
 
         if (path.getNumPaths() > 0) // if the path is empty, then paths aren't used for this format.
         {
+           #if ! JUCE_IOS
             if (propertiesToUse != nullptr)
                 path = getLastSearchPath (*propertiesToUse, formatToScan);
+           #endif
 
             pathList.setSize (500, 300);
             pathList.setPath (path);