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#ifndef __vstfx_h__
#define __vstfx_h__
#include <setjmp.h>
#include <signal.h>
#include <pthread.h>
#include <stdio.h>
/******************************************************************************************/
/*VSTFX - an engine to manage native linux VST plugins - derived from FST for Windows VSTs*/
/******************************************************************************************/
extern void (*vstfx_error_callback)(const char *msg);
void vstfx_set_error_function (void (*func)(const char *));
void vstfx_error (const char *fmt, ...);
/*We will use the vestige headers*/
#define VESTIGE_HEADER
#include <ardour/vestige/aeffectx.h>
typedef struct _VSTFX VSTFX;
typedef struct _VSTFXHandle VSTFXHandle;
typedef struct _VSTFXInfo VSTFXInfo;
typedef struct _VSTFXKey VSTFXKey;
/*Struct to contain the info about a plugin*/
struct _VSTFXInfo
{
char *name;
char *creator;
int UniqueID;
char *Category;
int numInputs;
int numOutputs;
int numParams;
int wantMidi;
int wantEvents;
int hasEditor;
int canProcessReplacing;
/* i think we should save the parameter Info Stuff soon. */
// struct VstParameterInfo *infos;
char **ParamNames;
char **ParamLabels;
};
/*The AEffect which contains the info about a plugin instance*/
typedef struct AEffect * (*main_entry_t)(audioMasterCallback);
/*A handle used to identify a plugin to vstfx*/
struct _VSTFXHandle
{
void* dll;
char* name;
char* nameptr; /* ptr returned from strdup() etc. */
//struct AEffect* (*main_entry)(audioMasterCallback);
main_entry_t main_entry;
int plugincnt;
};
/*No key forwarding enabled in vstfx at the moment - maybe
not required*/
struct _VSTFXKey
{
/** virtual-key code, or 0 if this _VSTFXKey is a `character' key */
int special;
/** `character' key, or 0 if this _VSTFXKey is a virtual-key */
int character;
};
/*Structure used to describe the instance of VSTFX responsible for
a particular plugin instance. These are connected together in a
linked list*/
struct _VSTFX
{
struct AEffect* plugin;
int window; /* The plugin's parent X11 XWindow */
int plugin_ui_window; /*The ID of the plugin UI window created by the plugin*/
int xid; /* X11 XWindow */
int want_resize; /*Set to signal the plugin resized its UI*/
void* extra_data; /*Pointer to any extra data*/
void* event_callback_thisptr;
void (*eventProc) (void* event);
VSTFXHandle* handle;
int width;
int height;
int wantIdle;
int destroy;
int vst_version;
int has_editor;
int program_set_without_editor;
int want_program;
int want_chunk;
int n_pending_keys;
unsigned char* wanted_chunk;
int wanted_chunk_size;
int current_program;
float *want_params;
float *set_params;
VSTFXKey pending_keys[16];
int dispatcher_wantcall;
int dispatcher_opcode;
int dispatcher_index;
int dispatcher_val;
void * dispatcher_ptr;
float dispatcher_opt;
int dispatcher_retval;
struct _VSTFX* next;
pthread_mutex_t lock;
pthread_cond_t window_status_change;
pthread_cond_t plugin_dispatcher_called;
pthread_cond_t window_created;
int been_activated;
};
/*API to vstfx*/
extern int vstfx_launch_editor(VSTFX* vstfx);
extern int vstfx_init (void* possible_hmodule);
extern void vstfx_exit ();
extern VSTFXHandle* vstfx_load (const char*);
extern int vstfx_unload (VSTFXHandle*);
extern VSTFX* vstfx_instantiate (VSTFXHandle*, audioMasterCallback amc, void* userptr);
extern void vstfx_close (VSTFX*);
extern int vstfx_create_editor (VSTFX* vstfx);
extern int vstfx_run_editor (VSTFX*);
extern void vstfx_destroy_editor (VSTFX*);
extern int vstfx_get_XID (VSTFX*);
extern void vstfx_move_window_into_view (VSTFX*);
extern VSTFXInfo* vstfx_get_info (char *dllpathname);
extern void vstfx_free_info (VSTFXInfo *info);
extern void vstfx_event_loop_remove_plugin (VSTFX* fst);
extern int vstfx_call_dispatcher(VSTFX *vstfx, int opcode, int index, int val, void *ptr, float opt );
/** Load a plugin state from a file.**/
extern int vstfx_load_state (VSTFX* vstfx, char * filename);
/** Save a plugin state to a file.**/
extern int vstfx_save_state (VSTFX* vstfx, char * filename);
#endif /* __vstfx_h__ */
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