1 files changed, 51 insertions, 37 deletions

diff --git a/src/ratio.c b/src/ratio.c
index 57cb6a5..30873c2 100644
--- a/src/ratio.c
+++ b/src/ratio.c
@@ -19,6 +19,7 @@
 
 #include <stdlib.h>
 #include "lv2/lv2plug.in/ns/ext/morph/morph.h"
+#include "lv2/lv2plug.in/ns/ext/options/options.h"
 #include "lv2/lv2plug.in/ns/lv2core/lv2.h"
 #include "math_func.h"
 #include "common.h"
@@ -64,49 +65,62 @@ connect_port(LV2_Handle instance,
 	}
 }
 
-static LV2_Morph_Status
-morph_port(LV2_Handle                      instance,
-           uint32_t                        port,
-           LV2_URID                        type,
-           const LV2_Morph_Property*const* properties)
+static uint32_t
+options_set(LV2_Handle                instance,
+            const LV2_Options_Option* options)
 {
 	Ratio* plugin = (Ratio*)instance;
-
-	if (type != plugin->uris.lv2_ControlPort &&
-	    type != plugin->uris.lv2_CVPort) {
-		return LV2_MORPH_ERR_BAD_TYPE;
-	}
-
-	switch (port) {
-	case RATIO_NUMERATOR:
-		plugin->numerator_is_cv = (type == plugin->uris.lv2_CVPort);
-		break;
-	case RATIO_DENOMINATOR:
-		plugin->denominator_is_cv = (type == plugin->uris.lv2_CVPort);
-		break;
-	default:
-		return LV2_MORPH_ERR_BAD_PORT;
+	uint32_t ret    = 0;
+	for (const LV2_Options_Option* o = options; o->key; ++o) {
+		if (o->context != LV2_OPTIONS_PORT) {
+			ret |= LV2_OPTIONS_ERR_BAD_SUBJECT;
+		} else if (o->key != plugin->uris.morph_currentType) {
+			ret |= LV2_OPTIONS_ERR_BAD_KEY;
+		} else if (o->type != plugin->uris.atom_URID) {
+			ret |= LV2_OPTIONS_ERR_BAD_VALUE;
+		} else {
+			LV2_URID port_type = *(const LV2_URID*)(o->value);
+			if (port_type != plugin->uris.lv2_ControlPort &&
+			    port_type != plugin->uris.lv2_CVPort) {
+				ret |= LV2_OPTIONS_ERR_BAD_VALUE;
+				continue;
+			}
+			switch (o->subject) {
+			case RATIO_NUMERATOR:
+				plugin->numerator_is_cv = (port_type == plugin->uris.lv2_CVPort);
+				break;
+			case RATIO_DENOMINATOR:
+				plugin->denominator_is_cv = (port_type == plugin->uris.lv2_CVPort);
+				break;
+			default:
+				ret |= LV2_OPTIONS_ERR_BAD_SUBJECT;
+			}
+		}
 	}
-
 	plugin->output_is_cv = plugin->numerator_is_cv || plugin->denominator_is_cv;
-	return LV2_MORPH_SUCCESS;
+	return ret;
 }
 
-static LV2_URID
-port_type(LV2_Handle                instance,
-          uint32_t                  port,
-          LV2_Morph_Property*const* properties)
+static uint32_t
+options_get(LV2_Handle          instance,
+            LV2_Options_Option* options)
 {
 	const Ratio* plugin = (const Ratio*)instance;
-
-	switch (port) {
-	case RATIO_OUTPUT:
-		return (plugin->output_is_cv
-		        ? plugin->uris.lv2_CVPort
-		        : plugin->uris.lv2_ControlPort);
-	default:
-		return 0;
+	uint32_t     ret    = 0;
+	for (LV2_Options_Option* o = options; o->key; ++o) {
+		if (o->context != LV2_OPTIONS_PORT || o->subject != RATIO_OUTPUT) {
+			ret |= LV2_OPTIONS_ERR_BAD_SUBJECT;
+		} else if (o->key != plugin->uris.morph_currentType) {
+			ret |= LV2_OPTIONS_ERR_BAD_KEY;
+		} else {
+			o->size  = sizeof(LV2_URID);
+			o->type  = plugin->uris.atom_URID;
+			o->value = (plugin->output_is_cv
+			            ? &plugin->uris.lv2_CVPort
+			            : &plugin->uris.lv2_ControlPort);
+		}
 	}
+	return ret;
 }
 
 static LV2_Handle
@@ -160,9 +174,9 @@ run(LV2_Handle instance,
 static const void*
 extension_data(const char* uri)
 {
-	static const LV2_Morph_Interface morph = { morph_port, port_type };
-	if (!strcmp(uri, LV2_MORPH__interface)) {
-		return &morph;
+	static const LV2_Options_Interface options = { options_get, options_set };
+	if (!strcmp(uri, LV2_OPTIONS__interface)) {
+		return &options;
 	}
 	return NULL;
 }