From f1dd9d77088157baeee53f9cfbdfe6d117a4bd80 Mon Sep 17 00:00:00 2001
From: Guenter  Geiger <ggeiger@users.sourceforge.net>
Date: Tue, 19 Nov 2002 09:52:46 +0000
Subject: added

svn path=/trunk/externals/plugin~/; revision=216
---
 plugin~_ladspa.h | 108 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 plugin~_ladspa.h

(limited to 'plugin~_ladspa.h')

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 */
-- 
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