more details for VST support

git-svn-id: svn://localhost/ardour2/trunk@630 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 111 insertions, 0 deletions

diff --git a/libs/fst/fst.h b/libs/fst/fst.h
new file mode 100644
index 0000000000..61dc09a2a1
--- /dev/null
+++ b/libs/fst/fst.h
@@ -0,0 +1,111 @@
+#ifndef __fst_fst_h__
+#define __fst_fst_h__
+
+#include <setjmp.h>
+#include <signal.h>
+#include <pthread.h>
+
+/**
+ * Display FST error message.
+ *
+ * Set via fst_set_error_function(), otherwise a FST-provided
+ * default will print @a msg (plus a newline) to stderr.
+ *
+ * @param msg error message text (no newline at end).
+ */
+extern void (*fst_error_callback)(const char *msg);
+
+/**
+ * Set the @ref fst_error_callback for error message display.
+ *
+ * The FST library provides two built-in callbacks for this purpose:
+ * default_fst_error_callback() and silent_fst_error_callback().
+ */
+void fst_set_error_function (void (*func)(const char *));
+
+#include <vst/AEffect.h>
+
+typedef struct _FST FST;
+typedef struct _FSTHandle FSTHandle;
+typedef struct _FSTInfo FSTInfo;
+
+struct _FSTInfo 
+{
+    char *name;
+    int UniqueID;
+    char *Category;
+    
+    int numInputs;
+    int numOutputs;
+    int numParams;
+
+    int wantMidi;
+    int wantEvents;
+    int hasEditor;
+    int canProcessReplacing; // what do we need this for ?
+
+    // i think we should save the parameter Info Stuff soon.
+    // struct VstParameterInfo *infos;
+    char **ParamNames;
+    char **ParamLabels;
+};
+
+struct _FSTHandle
+{
+    void*    dll;
+    char*    name;
+    char*    nameptr; /* ptr returned from strdup() etc. */
+    AEffect* (*main_entry)(audioMasterCallback);
+
+    int plugincnt;
+};
+
+struct _FST 
+{
+    AEffect*    plugin;
+    void*       window; /* win32 HWND */
+    int         xid; /* X11 XWindow */
+    FSTHandle*  handle;
+    int 	width;
+    int 	height;
+    int         destroy;
+
+    struct _FST* next;
+
+    pthread_mutex_t lock;
+    pthread_cond_t  window_status_change;
+    int             been_activated;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int        fst_init (void (*sighandler)(int,siginfo_t*,void*));
+
+extern FSTHandle* fst_load (const char*);
+extern int        fst_unload (FSTHandle*);
+
+extern FST*       fst_instantiate (FSTHandle*, audioMasterCallback amc, void* userptr);
+extern void       fst_close (FST*);
+
+extern void fst_event_loop_remove_plugin (FST* fst);
+extern void fst_event_loop_add_plugin (FST* fst);
+
+extern int  fst_run_editor (FST*);
+extern void  fst_destroy_editor (FST*);
+extern int  fst_get_XID (FST*);
+
+extern int   fst_adopt_thread ();
+extern void* fst_get_teb();
+
+extern void fst_signal_handler (int sig, siginfo_t* info, void* context);
+
+extern FSTInfo *fst_get_info( char *dllpathname );
+extern void fst_free_info( FSTInfo *info );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __fst_fst_h__ */