Added omins

git-svn-id: http://svn.drobilla.net/lad/omins@8 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 292 insertions, 0 deletions

diff --git a/src/comparison_4440.c b/src/comparison_4440.c
new file mode 100644
index 0000000..210c88a
--- /dev/null
+++ b/src/comparison_4440.c
@@ -0,0 +1,292 @@
+/* Comparison plugin.  Copyright (C) 2005 Thorsten Wilms.
+ * 
+ * This plugin 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 plugin 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
+ * 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
+ */
+
+#define _XOPEN_SOURCE 500 /* strdup */
+#include <stdlib.h>
+#include <string.h>
+
+#include "ladspa.h"
+
+#define COMP_BASE_ID 4440
+
+#define COMP_NUM_PORTS 6
+
+/* Port Numbers */
+#define COMP_A        0
+#define COMP_B        1
+#define COMP_LARGER   2
+#define COMP_SMALLER  3
+#define COMP_A_LARGER 4
+#define COMP_EQUAL    5
+
+
+/* All state information for plugin */
+typedef struct {
+	/* Ports */
+	LADSPA_Data *a_buffer;
+	LADSPA_Data *b_buffer;
+	LADSPA_Data *larger_buffer;
+	LADSPA_Data *smaller_buffer;
+	LADSPA_Data *a_larger_buffer;
+	LADSPA_Data *equal_buffer;
+} Comp;
+
+
+/* Construct a new plugin instance */
+LADSPA_Handle
+comp_instantiate(const LADSPA_Descriptor* descriptor,
+                   unsigned long            srate)
+{
+	Comp* plugin = malloc(sizeof(Comp));
+	plugin->a_buffer        = NULL;
+	plugin->b_buffer        = NULL;
+	plugin->larger_buffer   = NULL;
+	plugin->smaller_buffer  = NULL;
+	plugin->a_larger_buffer = NULL;
+	plugin->equal_buffer    = NULL;
+	return (LADSPA_Handle)plugin;
+}
+
+
+/* Connect a port to a data location */
+void
+comp_connect_port(LADSPA_Handle instance,
+             unsigned long port,
+             LADSPA_Data*  location)
+{
+	Comp* plugin;
+
+	plugin = (Comp*)instance;
+	switch (port) {
+	case COMP_A:
+		plugin->a_buffer = location;
+		break;
+	case COMP_B:
+		plugin->b_buffer = location;
+		break;
+	case COMP_LARGER:
+		plugin->larger_buffer = location;
+		break;
+	case COMP_SMALLER:
+		plugin->smaller_buffer = location;
+		break;
+	case COMP_A_LARGER:
+		plugin->a_larger_buffer = location;
+		break;
+	case COMP_EQUAL:
+		plugin->equal_buffer = location;
+		break;
+	}
+}
+
+
+void
+comp_run_ac(LADSPA_Handle instance, unsigned long nframes)
+{
+	Comp* const              plugin   = (Comp*)instance;
+	const LADSPA_Data* const a        = plugin->a_buffer;
+	const LADSPA_Data  const b        = *plugin->b_buffer;
+	LADSPA_Data* const       larger   = plugin->larger_buffer;
+	LADSPA_Data* const       smaller  = plugin->smaller_buffer;
+	LADSPA_Data* const       a_larger = plugin->a_larger_buffer;
+	LADSPA_Data* const       equal    = plugin->equal_buffer;
+	unsigned long i;
+	
+	for (i = 0; i < nframes; i++) {
+		equal[i]    = (a[i] == b) ? 1.0  : 0.0;
+		larger[i]   = (a[i] > b)  ? a[i] : b;
+		smaller[i]  = (a[i] < b)  ? a[i] : b;
+		a_larger[i] = (a[i] > b)  ? 1.0  : 0.0;
+	}
+}
+
+
+void
+comp_run_aa(LADSPA_Handle instance, unsigned long nframes)
+{
+	Comp* const              plugin   = (Comp*)instance;
+	const LADSPA_Data* const a        = plugin->a_buffer;
+	const LADSPA_Data* const b        = plugin->b_buffer;
+	LADSPA_Data* const       larger   = plugin->larger_buffer;
+	LADSPA_Data* const       smaller  = plugin->smaller_buffer;
+	LADSPA_Data* const       a_larger = plugin->a_larger_buffer;
+	LADSPA_Data* const       equal    = plugin->equal_buffer;
+	unsigned long i;
+	
+	for (i = 0; i < nframes; i++) {
+		equal[i]    = (a[i] == b[i]) ? 1.0  : 0.0;
+		larger[i]   = (a[i] > b[i])  ? a[i] : b[i];
+		smaller[i]  = (a[i] < b[i])  ? a[i] : b[i];
+		a_larger[i] = (a[i] > b[i])  ? 1.0  : 0.0;
+	}
+}
+
+
+void
+comp_cleanup(LADSPA_Handle instance)
+{
+	free(instance);
+}
+
+
+LADSPA_Descriptor* comp_ac_desc = NULL;
+LADSPA_Descriptor* comp_aa_desc = NULL;
+
+
+/* Called automatically when the plugin library is first loaded. */
+void
+_init()
+{
+	char**                 port_names;
+	LADSPA_PortDescriptor* port_descriptors;
+	LADSPA_PortRangeHint*  port_range_hints;
+
+	comp_ac_desc = (LADSPA_Descriptor*)malloc(sizeof(LADSPA_Descriptor));
+	comp_aa_desc = (LADSPA_Descriptor*)malloc(sizeof(LADSPA_Descriptor));
+
+	if (comp_ac_desc) {
+
+		comp_ac_desc->UniqueID = COMP_BASE_ID;
+		comp_ac_desc->Label = strdup("comp_ac");
+		comp_ac_desc->Properties = LADSPA_PROPERTY_HARD_RT_CAPABLE;
+		comp_ac_desc->Name = strdup("Comparison (AC)");
+		comp_ac_desc->Maker = strdup("Thorsten Wilms");
+		comp_ac_desc->Copyright = strdup("GPL");
+		comp_ac_desc->PortCount = COMP_NUM_PORTS;
+		port_descriptors = (LADSPA_PortDescriptor*)calloc(COMP_NUM_PORTS, sizeof(LADSPA_PortDescriptor));
+		comp_ac_desc->PortDescriptors = (const LADSPA_PortDescriptor*)port_descriptors;
+		port_descriptors[COMP_A] = LADSPA_PORT_INPUT | LADSPA_PORT_AUDIO;
+		port_descriptors[COMP_B] = LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL;
+		port_descriptors[COMP_LARGER] = LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO;
+		port_descriptors[COMP_SMALLER] = LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO;
+		port_descriptors[COMP_A_LARGER] = LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO;
+		port_descriptors[COMP_EQUAL] = LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO;
+		port_names = (char**)calloc(COMP_NUM_PORTS, sizeof(char*));
+		comp_ac_desc->PortNames = (const char**)port_names;
+		port_names[COMP_A] = strdup("A");
+		port_names[COMP_B] = strdup("B");
+		port_names[COMP_LARGER] = strdup("Larger");
+		port_names[COMP_SMALLER] = strdup("Smaller");
+		port_names[COMP_A_LARGER] = strdup("A > B");
+		port_names[COMP_EQUAL] = strdup("A = B");
+		port_range_hints = ((LADSPA_PortRangeHint *)
+		                    calloc(COMP_NUM_PORTS, sizeof(LADSPA_PortRangeHint)));
+		comp_ac_desc->PortRangeHints = (const LADSPA_PortRangeHint*)port_range_hints;
+		port_range_hints[COMP_A].HintDescriptor = 0;
+		port_range_hints[COMP_B].HintDescriptor = 0;
+		port_range_hints[COMP_LARGER].HintDescriptor = 0;
+		port_range_hints[COMP_SMALLER].HintDescriptor = 0;
+		port_range_hints[COMP_A_LARGER].HintDescriptor = 0;
+		port_range_hints[COMP_EQUAL].HintDescriptor = 0;
+		comp_ac_desc->instantiate = comp_instantiate;
+		comp_ac_desc->connect_port = comp_connect_port;
+		comp_ac_desc->activate = NULL;
+		comp_ac_desc->run = comp_run_ac;
+		comp_ac_desc->run_adding = NULL;
+		comp_ac_desc->set_run_adding_gain = NULL;
+		comp_ac_desc->deactivate = NULL;
+		comp_ac_desc->cleanup = comp_cleanup;
+	}
+
+	if (comp_aa_desc) {
+
+		comp_aa_desc->UniqueID = COMP_BASE_ID+1;
+		comp_aa_desc->Label = strdup("comp_aa");
+		comp_aa_desc->Properties = LADSPA_PROPERTY_HARD_RT_CAPABLE;
+		comp_aa_desc->Name = strdup("Comparison (AA)");
+		comp_aa_desc->Maker = strdup("Thorsten Wilms");
+		comp_aa_desc->Copyright = strdup("GPL");
+		comp_aa_desc->PortCount = COMP_NUM_PORTS;
+		port_descriptors = (LADSPA_PortDescriptor*)calloc(COMP_NUM_PORTS, sizeof(LADSPA_PortDescriptor));
+		comp_aa_desc->PortDescriptors = (const LADSPA_PortDescriptor*)port_descriptors;
+		port_descriptors[COMP_A] = LADSPA_PORT_INPUT | LADSPA_PORT_AUDIO;
+		port_descriptors[COMP_B] = LADSPA_PORT_INPUT | LADSPA_PORT_AUDIO;
+		port_descriptors[COMP_LARGER] = LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO;
+		port_descriptors[COMP_SMALLER] = LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO;
+		port_descriptors[COMP_A_LARGER] = LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO;
+		port_descriptors[COMP_EQUAL] = LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO;
+		port_names = (char**)calloc(COMP_NUM_PORTS, sizeof(char*));
+		comp_aa_desc->PortNames = (const char**)port_names;
+		port_names[COMP_A] = strdup("A");
+		port_names[COMP_B] = strdup("B");
+		port_names[COMP_LARGER] = strdup("Larger");
+		port_names[COMP_SMALLER] = strdup("Smaller");
+		port_names[COMP_A_LARGER] = strdup("A > B");
+		port_names[COMP_EQUAL] = strdup("A = B");
+		port_range_hints = ((LADSPA_PortRangeHint *)
+		                    calloc(COMP_NUM_PORTS, sizeof(LADSPA_PortRangeHint)));
+		comp_aa_desc->PortRangeHints = (const LADSPA_PortRangeHint*)port_range_hints;
+		port_range_hints[COMP_A].HintDescriptor = 0;
+		port_range_hints[COMP_B].HintDescriptor = 0;
+		port_range_hints[COMP_LARGER].HintDescriptor = 0;
+		port_range_hints[COMP_SMALLER].HintDescriptor = 0;
+		port_range_hints[COMP_A_LARGER].HintDescriptor = 0;
+		port_range_hints[COMP_EQUAL].HintDescriptor = 0;
+		comp_aa_desc->instantiate = comp_instantiate;
+		comp_aa_desc->connect_port = comp_connect_port;
+		comp_aa_desc->activate = NULL;
+		comp_aa_desc->run = comp_run_aa;
+		comp_aa_desc->run_adding = NULL;
+		comp_aa_desc->set_run_adding_gain = NULL;
+		comp_aa_desc->deactivate = NULL;
+		comp_aa_desc->cleanup = comp_cleanup;
+	}
+}
+
+
+void
+comp_delete_descriptor(LADSPA_Descriptor* psDescriptor)
+{
+	unsigned long lIndex;
+	if (psDescriptor) {
+		free((char*)psDescriptor->Label);
+		free((char*)psDescriptor->Name);
+		free((char*)psDescriptor->Maker);
+		free((char*)psDescriptor->Copyright);
+		free((LADSPA_PortDescriptor *)psDescriptor->PortDescriptors);
+		for (lIndex = 0; lIndex < psDescriptor->PortCount; lIndex++)
+			free((char*)(psDescriptor->PortNames[lIndex]));
+		free((char**)psDescriptor->PortNames);
+		free((LADSPA_PortRangeHint *)psDescriptor->PortRangeHints);
+		free(psDescriptor);
+	}
+}
+
+
+/* Called automatically when the library is unloaded. */
+void
+_fini()
+{
+	comp_delete_descriptor(comp_ac_desc);
+	comp_delete_descriptor(comp_aa_desc);
+}
+
+
+/* Return a descriptor of the requested plugin type. */
+const LADSPA_Descriptor*
+ladspa_descriptor(unsigned long Index)
+{
+	switch (Index) {
+	case 0:
+		return comp_ac_desc;
+	case 1:
+		return comp_aa_desc;
+	default:
+		return NULL;
+	}
+}
+