VSTi plugin version.

1 files changed, 112 insertions, 0 deletions

diff --git a/vst/input_vst.cc b/vst/input_vst.cc
new file mode 100644
index 0000000..52015ad
--- /dev/null
+++ b/vst/input_vst.cc
@@ -0,0 +1,112 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            input_vst.cc
+ *
+ *  Tue Sep 20 10:40:10 CEST 2011
+ *  Copyright 2011 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo 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.
+ *
+ *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "input_vst.h"
+
+#include <midimapparser.h>
+
+InputVST::InputVST()
+{
+  list = NULL;
+  listsize = 0;
+}
+
+InputVST::~InputVST()
+{
+}
+
+bool InputVST::init(Instruments &instruments)
+{
+  MidiMapParser p(getenv("DRUMGIZMO_MIDIMAP"));
+  if(p.parse()) {/*return false;*/}
+  mmap.midimap = p.midimap;
+
+  for(size_t i = 0; i < instruments.size(); i++) {
+    mmap.instrmap[instruments[i].name()] = i;
+  }
+
+  return true;
+}
+
+void InputVST::setParm(std::string parm, std::string value)
+{
+}
+
+bool InputVST::start()
+{
+  return true;
+}
+
+void InputVST::stop()
+{
+}
+
+void InputVST::pre()
+{
+}
+
+event_t *InputVST::run(size_t pos, size_t len, size_t *nevents)
+{
+  *nevents = listsize;
+  return list;
+}
+
+void InputVST::post()
+{
+  list = NULL;
+  listsize = 0;
+}
+
+void InputVST::processEvents(VstEvents* ev)
+{
+  if(list == NULL) {
+    list = (event_t *)malloc(sizeof(event_t) * 1000);
+    //    listsize = 0;
+  }
+
+	for(VstInt32 i = 0; i < ev->numEvents; i++)	{
+		if(ev->events[i]->type != kVstMidiType)	continue;
+
+		VstMidiEvent* event =(VstMidiEvent*)ev->events[i];
+		char* midiData = event->midiData;
+		VstInt32 status = midiData[0] & 0xf0; // ignoring channel
+		if(status == 0x90) { // we only look at notes
+			VstInt32 note = midiData[1] & 0x7f;
+			VstInt32 velocity = midiData[2] & 0x7f;
+
+      int i = mmap.lookup(note);
+      if(velocity && i != -1) {
+        list[listsize].type = TYPE_ONSET;
+        list[listsize].instrument = i;
+        list[listsize].velocity = velocity / 127.0;
+        list[listsize].offset = event->deltaFrames;
+        listsize++;
+      }
+
+		}
+		event++;
+	}
+}