New input/output plugin architecture. New LV2 plugin.

1 files changed, 121 insertions, 0 deletions

diff --git a/lv2/input_lv2.cc b/lv2/input_lv2.cc
new file mode 100644
index 0000000..d670505
--- /dev/null
+++ b/lv2/input_lv2.cc
@@ -0,0 +1,121 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            input_lv2.cc
+ *
+ *  Wed Jul 13 14:27:02 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_lv2.h"
+
+InputLV2::InputLV2()
+{
+  eventPort = NULL;
+}
+
+InputLV2::~InputLV2()
+{
+}
+
+bool InputLV2::init(Instruments &instruments)
+{
+  return true;
+}
+
+void InputLV2::setParm(std::string parm, std::string value)
+{
+}
+
+bool InputLV2::start()
+{
+  return true;
+}
+
+void InputLV2::stop()
+{
+}
+
+void InputLV2::pre()
+{
+}
+event_t *InputLV2::run(size_t pos, size_t len, size_t *nevents)
+{
+  event_t *list;
+  size_t listsize;
+
+  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);
+
+    uint8_t* const data = (uint8_t* const)(ev + 1);
+
+    if ((data[0] & 0xF0) == 0x90) {
+
+    int key = data[1];
+    int velocity = data[2];
+    
+    //printf("Event key:%d vel:%d\n", key, velocity);
+    
+    if(velocity) {
+      list[listsize].type = TYPE_ONSET;
+      list[listsize].instrument = key;
+      list[listsize].velocity = velocity / 127.0;
+      list[listsize].offset = ev->frames;
+      listsize++;
+    }
+      /*
+				start_frame = ev->frames;
+				plugin->frame = 0;
+				plugin->play  = true;
+      */
+    }
+  }
+
+  *nevents = listsize;
+  return list;
+}
+
+void InputLV2::post()
+{
+}
+
+#ifdef TEST_INPUT_LV2
+//Additional dependency files
+//deps:
+//Required cflags (autoconf vars may be used)
+//cflags:
+//Required link options (autoconf vars may be used)
+//libs:
+#include "test.h"
+
+TEST_BEGIN;
+
+// TODO: Put some testcode here (see test.h for usable macros).
+
+TEST_END;
+
+#endif/*TEST_INPUT_LV2*/