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Diffstat (limited to 'plugin~_ladspa.h')
| -rw-r--r-- | plugin~_ladspa.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/plugin~_ladspa.h b/plugin~_ladspa.h new file mode 100644 index 0000000..7aff82f --- /dev/null +++ b/plugin~_ladspa.h @@ -0,0 +1,108 @@ +/* plugin~, a Pd tilde object for hosting LADSPA/VST plug-ins + Copyright (C) 2000 Jarno Seppänen + $Id: plugin~_ladspa.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_LADSPA_H__ +#define __PLUGIN_TILDE_LADSPA_H__ + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#include "config.h" + +#if PLUGIN_TILDE_USE_LADSPA + +#include "plugin~.h" + +/* LADSPA header */ +#include "ladspa/ladspa.h" + +#if 0 /* moved to plugin~.h because of cyclical header dependency */ +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 /* moved to plugin~.h because of cyclical header dependency */ + + +/* subroutines to wrap the LADSPA interface */ +const char* plugin_tilde_ladspa_search_plugin (Pd_Plugin_Tilde* x, + const char* name); +int plugin_tilde_ladspa_open_plugin (Pd_Plugin_Tilde* x, + const char* name, + const char* lib_name, + unsigned long sample_rate); +void plugin_tilde_ladspa_close_plugin (Pd_Plugin_Tilde* x); +void plugin_tilde_ladspa_apply_plugin (Pd_Plugin_Tilde* x); + +void plugin_tilde_ladspa_print (Pd_Plugin_Tilde* x); +void plugin_tilde_ladspa_reset (Pd_Plugin_Tilde* x); + +void plugin_tilde_ladspa_connect_audio (Pd_Plugin_Tilde* x, + float** audio_inputs, + float** audio_outputs, + unsigned long num_samples); +void plugin_tilde_ladspa_set_control_input_by_name (Pd_Plugin_Tilde* x, + const char* name, + float value); +void plugin_tilde_ladspa_set_control_input_by_index (Pd_Plugin_Tilde* x, + unsigned index_, + float value); +/*float plugin_tilde_ladspa_get_control_input (Pd_Plugin_Tilde* x, + const char* name);*/ +/* Control output is handled with plugin_tilde_emit_control_output() callback */ + +/* Local subroutines */ +static void plugin_tilde_ladspa_search_plugin_callback (const char* full_filename, + void* plugin_handle, + LADSPA_Descriptor_Function descriptor_function, + void* user_data); +static void plugin_tilde_ladspa_count_ports (Pd_Plugin_Tilde* x); +static void plugin_tilde_ladspa_connect_control_ports (Pd_Plugin_Tilde* x); + +static int plugin_tilde_ladspa_alloc_outofplace_memory (Pd_Plugin_Tilde* x, unsigned long buflen); +static void plugin_tilde_ladspa_free_outofplace_memory (Pd_Plugin_Tilde* x); +static int plugin_tilde_ladspa_alloc_control_memory (Pd_Plugin_Tilde* x); +static void plugin_tilde_ladspa_free_control_memory (Pd_Plugin_Tilde* x); + +#endif /* PLUGIN_TILDE_USE_LADSPA */ + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* __PLUGIN_TILDE_LADSPA_H__ */ +/* EOF */ |