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External/reaper-plugins/reaper_vst3_interfaces.h

@@ -0,0 +1,31 @@
+#ifndef _REAPER_VST3_INTERFACES_H_
+#define _REAPER_VST3_INTERFACES_H_
+
+class IReaperHostApplication : public FUnknown // available from IHostApplication in REAPER v5.02+
+{
+public:
+  // Gets a REAPER Extension API function by name, returns NULL is failed
+  virtual void* PLUGIN_API getReaperApi(CStringA funcname) = 0;
+
+  virtual void* PLUGIN_API getReaperParent(uint32 w) = 0; // get parent track(=1), take(=2), project(=3), fxdsp(=4), trackchan(=5)
+
+  // Multi-purpose function, returns NULL if unsupported
+  virtual void* PLUGIN_API reaperExtended(uint32 call, void *parm1, void *parm2, void *parm3) = 0;
+
+  static const FUID iid;
+};
+
+DECLARE_CLASS_IID (IReaperHostApplication, 0x79655E36, 0x77EE4267, 0xA573FEF7, 0x4912C27C)
+
+class IReaperUIEmbedInterface : public FUnknown // supported by REAPER v6.24+, queried from plug-in IEditController
+{
+  public:
+    // note: VST2 uses CanDo "hasCockosEmbeddedUI"==0xbeef0000, then opcode=effVendorSpecific, index=effEditDraw, opt=(float)msg, value=parm2, ptr=parm3
+    // see reaper_plugin_fx_embed.h
+  virtual Steinberg::TPtrInt embed_message(int msg, Steinberg::TPtrInt parm2, Steinberg::TPtrInt parm3) = 0;
+
+  static const FUID iid;
+};
+
+DECLARE_CLASS_IID (IReaperUIEmbedInterface, 0x049bf9e7, 0xbc74ead0, 0xc4101e86, 0x7f725981)
+#endif