vst_types.h

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/*
    Copyright (C) 2010 Paul Davis

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef __ardour_vst_types_h__
#define __ardour_vst_types_h__

#include <pthread.h>
#include "ardour/libardour_visibility.h"
#include "ardour/vestige/aeffectx.h"

struct LIBARDOUR_API _VSTKey
{
        int special;
        int character;
};

typedef struct _VSTKey VSTKey;

struct LIBARDOUR_API _VSTInfo 
{
        char  *name;
        char  *creator;
        int    UniqueID;
        char  *Category;
    
        int    numInputs;
        int    numOutputs;
        int    numParams;
        
        int    wantMidi;
        int    wantEvents;
        int    hasEditor;
        int    canProcessReplacing;
        
        char** ParamNames;
        char** ParamLabels;
};

typedef struct _VSTInfo VSTInfo;

typedef AEffect * (* main_entry_t) (audioMasterCallback);

struct LIBARDOUR_API _VSTHandle
{
        void*        dll;
        char*        name;
        char*        path;
        
        main_entry_t main_entry;

        int          plugincnt;
};

typedef struct _VSTHandle VSTHandle;

struct LIBARDOUR_API _VSTState
{
        AEffect* plugin;

        /* Linux */
        int         linux_window;            
        int         linux_plugin_ui_window;  

        /* Windows */
        void*       windows_window;

        int         xid;               
        
        int         want_resize;       
        void*       extra_data;        
        
        void * event_callback_thisptr;
        void  (* eventProc) (void * event);
        
        VSTHandle*  handle;

        int width;
        int height;
        int wantIdle;

        int voffset;
        int hoffset;
        int gui_shown;
        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;
        float *     want_params;
        float *     set_params;
        
        VSTKey      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 _VSTState * 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;
};

typedef struct _VSTState VSTState;

#endif