From 74b8a63270c1c0b01b33e861c26b1e2a59eeb82b Mon Sep 17 00:00:00 2001
From: Jonas Suhr Christensen <jsc@umbraculum.org>
Date: Fri, 7 Mar 2014 04:25:52 +0100
Subject: Changed midi handling from event extension to atom extension.

---
 lv2/drumgizmo.ttl | 11 ++++++-----
 lv2/input_lv2.cc  | 17 +++++++++--------
 lv2/input_lv2.h   |  4 ++--
 lv2/lv2.cc        |  5 +++--
 4 files changed, 20 insertions(+), 17 deletions(-)

diff --git a/lv2/drumgizmo.ttl b/lv2/drumgizmo.ttl
index c72b34a..23345f3 100644
--- a/lv2/drumgizmo.ttl
+++ b/lv2/drumgizmo.ttl
@@ -16,7 +16,7 @@
 @prefix doap:  <http://usefulinc.com/ns/doap#> .
 @prefix foaf:  <http://xmlns.com/foaf/0.1/> .
 @prefix lv2:   <http://lv2plug.in/ns/lv2core#> .
-@prefix lv2ev: <http://lv2plug.in/ns/ext/event#> .
+@prefix atom:  <http://lv2plug.in/ns/ext/atom#> .
 @prefix uiext: <http://lv2plug.in/ns/extensions/ui#> .
 @prefix state: <http://lv2plug.in/ns/ext/state#> .
 
@@ -38,10 +38,11 @@
 	lv2:optionalFeature <http://lv2plug.in/ns/ext/event> ;
   lv2:extensionData state:interface ;
 lv2:port [
-		a lv2:InputPort ,
-			lv2ev:EventPort ;
-		lv2ev:supportsEvent <http://lv2plug.in/ns/ext/midi#MidiEvent> ;
-		lv2:index 0 ;
+		a atom:AtomPort ,
+      lv2:InputPort; 
+    atom:bufferType atom:Sequence ;
+    atom:supports <http://lv2plug.in/ns/ext/midi#MidiEvent> ;
+    lv2:index 0 ;
 		lv2:symbol "control" ;
 		lv2:name "Control"
 	] , [
diff --git a/lv2/input_lv2.cc b/lv2/input_lv2.cc
index 0d97760..d995e75 100644
--- a/lv2/input_lv2.cc
+++ b/lv2/input_lv2.cc
@@ -26,6 +26,8 @@
  */
 #include "input_lv2.h"
 
+#include "lv2/lv2plug.in/ns/ext/atom/util.h"
+
 #include <midimapparser.h>
 
 #include <hugin.hpp>
@@ -70,14 +72,12 @@ event_t *InputLV2::run(size_t pos, size_t len, size_t *nevents)
   list = (event_t *)malloc(sizeof(event_t) * 1000);
   listsize = 0;
 
-  LV2_Event_Iterator iterator;
-	for(lv2_event_begin(&iterator, eventPort);
-      lv2_event_is_valid(&iterator);
-      lv2_event_increment(&iterator)) {
-
-    LV2_Event* ev = lv2_event_get(&iterator, NULL);
+  LV2_Atom_Event* ev = lv2_atom_sequence_begin(&eventPort->body);
 
-    uint8_t* const data = (uint8_t* const)(ev + 1);
+  while(!lv2_atom_sequence_is_end(&eventPort->body,
+                                  eventPort->atom.size, 
+                                  ev)) {
+    uint8_t* const data = (uint8_t*)(ev+1);
 
     if ((data[0] & 0xF0) == 0x80) { // note off
       int key = data[1];
@@ -96,7 +96,7 @@ event_t *InputLV2::run(size_t pos, size_t len, size_t *nevents)
         list[listsize].type = TYPE_ONSET;
         list[listsize].instrument = i;
         list[listsize].velocity = velocity / 127.0;
-        list[listsize].offset = ev->frames;
+        list[listsize].offset = ev->time.frames;
         listsize++;
       }
       /*
@@ -105,6 +105,7 @@ event_t *InputLV2::run(size_t pos, size_t len, size_t *nevents)
 				plugin->play  = true;
       */
     }
+    ev = lv2_atom_sequence_next(ev);
   }
 
   *nevents = listsize;
diff --git a/lv2/input_lv2.h b/lv2/input_lv2.h
index aa39a23..32e2fd8 100644
--- a/lv2/input_lv2.h
+++ b/lv2/input_lv2.h
@@ -29,7 +29,7 @@
 
 #include <audioinputenginemidi.h>
 
-#include <lv2/lv2plug.in/ns/ext/event/event-helpers.h>
+#include <lv2/lv2plug.in/ns/ext/atom/atom.h>
 
 class InputLV2 : public AudioInputEngineMidi {
 public:
@@ -47,7 +47,7 @@ public:
   event_t *run(size_t pos, size_t len, size_t *nevents);
   void post();
 
-  LV2_Event_Buffer *eventPort;
+  LV2_Atom_Sequence *eventPort;
 
 private:
   Instruments *instruments;
diff --git a/lv2/lv2.cc b/lv2/lv2.cc
index c1f1ecc..3aeb5f0 100644
--- a/lv2/lv2.cc
+++ b/lv2/lv2.cc
@@ -27,6 +27,7 @@
 #include <lv2/lv2plug.in/ns/lv2core/lv2.h>
 
 #include <stdlib.h>
+#include <string.h>
 
 #include "lv2_gui.h"
 
@@ -34,7 +35,7 @@
 
 #include <hugin.hpp>
 
-#define MIDI_EVENT_URI "http://lv2plug.in/ns/ext/midi#MidiEvent"
+#include <lv2/lv2plug.in/ns/ext/atom/atom.h>
 
 #define NS_ATOM "http://lv2plug.in/ns/ext/atom#"
 #define NS_DG "http://drumgizmo.org/lv2/atom#"
@@ -310,7 +311,7 @@ void connect_port(LV2_Handle instance,
   DGLV2 *dglv2 = (DGLV2 *)instance;
 
   if(port == 0) {// MIDI in
-    dglv2->in->eventPort = (LV2_Event_Buffer*)data_location;
+    dglv2->in->eventPort = (LV2_Atom_Sequence*)data_location;
   } else {// Audio Port
     if(port - 1 < NUM_OUTPUTS) {
       dglv2->out->outputPorts[port - 1].samples = (sample_t*)data_location;
-- 
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