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/* plugin~, a Pd tilde object for hosting LADSPA/VST plug-ins
Copyright (C) 2000 Jarno Seppänen
$Id: plugin~.h,v 1.1 2002-11-19 09:51:40 ggeiger Exp $
This file is part of plugin~.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef __PLUGIN_TILDE_H__
#define __PLUGIN_TILDE_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include "config.h"
/* Pd header */
#ifndef MAXPDSTRING /* lame */
#include "m_pd.h"
#endif /* MAXPDSTRING */
#if 0
#if PLUGIN_TILDE_USE_LADSPA
#include "plugin~_ladspa.h"
#endif
#if PLUGIN_TILDE_USE_VST
#include "plugin~_vst.h"
#endif
#endif /* 0 */
/*
* Now I've moved the following two plug-in-architecture-specific structures
* here because having them in plugin~_ladspa.h and plugin~_vst.h proper will
* result in a cyclical header dependency
*/
#if PLUGIN_TILDE_USE_LADSPA
#include "ladspa/ladspa.h"
typedef struct
{
const LADSPA_Descriptor* type;
LADSPA_Handle* instance;
/* Memory to pass async control data to/from the plugin */
float* control_input_values;
float* control_output_values;
/* Used for monitoring changes in the values */
float* prev_control_output_values;
int prev_control_output_values_invalid;
/* Pointers to signal memory for out-of-place processing */
float** outofplace_audio_outputs;
float** actual_audio_outputs; /* real audio outputs for out-of-place */
unsigned long num_samples;
unsigned long sample_rate;
} Plugin_Tilde_Ladspa;
#endif /* PLUGIN_TILDE_USE_LADSPA */
#if PLUGIN_TILDE_USE_VST
#include "vst/AEffect.h"
typedef struct
{
AEffect* instance;
/* audio wire buffer information */
float** audio_inputs;
float** audio_outputs;
unsigned long num_samples;
int editor_open;
} Plugin_Tilde_Vst;
#endif /* PLUGIN_TILDE_USE_VST */
typedef struct
{
/* Pd's way of object-oriented programming */
t_object x_obj;
t_clock* x_clock;
/* Access to LADSPA/VST plugins */
void* plugin_library;
const char* plugin_library_filename; /* only for diagnostics */
union {
#if PLUGIN_TILDE_USE_LADSPA
Plugin_Tilde_Ladspa ladspa;
#endif
#if PLUGIN_TILDE_USE_VST
Plugin_Tilde_Vst vst;
#endif
} plugin;
/* Plugin information */
unsigned num_audio_inputs;
unsigned num_audio_outputs;
unsigned num_control_inputs;
unsigned num_control_outputs;
/* Pointers to our Pd in- and outlets */
t_inlet** audio_inlets;
t_outlet** audio_outlets;
t_outlet* control_outlet;
/* Pd's way of passing parameters to the DSP routine */
t_int* dsp_vec;
unsigned dsp_vec_length;
} Pd_Plugin_Tilde;
/* Object construction and destruction */
void plugin_tilde_setup (void);
static void* plugin_tilde_new (t_symbol* s_name, t_symbol* s_lib_name);
static void plugin_tilde_free (Pd_Plugin_Tilde* x);
static void plugin_tilde_tick (Pd_Plugin_Tilde* x);
/* DSP callbacks */
static void plugin_tilde_dsp (Pd_Plugin_Tilde* x, t_signal** sp);
static t_int* plugin_tilde_perform (t_int* w);
/* Plugin callback for sending control output messages */
void plugin_tilde_emit_control_output (Pd_Plugin_Tilde* x,
const char* name,
float new_value);
/* First inlet message callback for "control" messages */
static void plugin_tilde_control (Pd_Plugin_Tilde* x,
t_symbol* ctrl_name,
t_float ctrl_value);
/* First inlet message callback for "control" messages */
static void plugin_tilde_print (Pd_Plugin_Tilde* x);
/* First inlet message callback for "reset" messages */
static void plugin_tilde_reset (Pd_Plugin_Tilde* x);
static unsigned plugin_tilde_get_parm_number (Pd_Plugin_Tilde* x,
const char* str);
/* internal API to wrap the different plug-in interfaces */
static const char* plugin_tilde_search_plugin (Pd_Plugin_Tilde* x,
const char* name);
static int plugin_tilde_open_plugin (Pd_Plugin_Tilde* x,
const char* name,
const char* lib_name,
unsigned long sample_rate);
static void plugin_tilde_close_plugin (Pd_Plugin_Tilde* x);
static void plugin_tilde_apply_plugin (Pd_Plugin_Tilde* x);
static void plugin_tilde_connect_audio (Pd_Plugin_Tilde* x,
float** audio_inputs,
float** audio_outputs,
unsigned long num_samples);
static void plugin_tilde_set_control_input_by_name (Pd_Plugin_Tilde* x,
const char* name,
float value);
static void plugin_tilde_set_control_input_by_index (Pd_Plugin_Tilde* x,
unsigned index_,
float value);
/*static float plugin_tilde_get_control_input (Pd_Plugin_Tilde* x,
unsigned int index);*/
static void plugin_tilde_update_gui (Pd_Plugin_Tilde* x);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __PLUGIN_TILDE_H__ */
/* EOF */
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