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Diffstat (limited to 'plugin~.h')
| -rw-r--r-- | plugin~.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/plugin~.h b/plugin~.h new file mode 100644 index 0000000..69ca96a --- /dev/null +++ b/plugin~.h @@ -0,0 +1,181 @@ +/* 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 */ |