New input/output plugin architecture. New LV2 plugin.

1 files changed, 96 insertions, 0 deletions

diff --git a/drumgizmo/input/jackmidi/jackclient.cc b/drumgizmo/input/jackmidi/jackclient.cc
new file mode 100644
index 0000000..4fbafb5
--- /dev/null
+++ b/drumgizmo/input/jackmidi/jackclient.cc
@@ -0,0 +1,96 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            jackclient.cc
+ *
+ *  Sun Jul 20 21:48:44 CEST 2008
+ *  Copyright 2008 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 "jackclient.h"
+
+extern "C"
+{
+  int _wrap_jack_process(jack_nframes_t nframes, void *arg){
+    return ((JackClient*)arg)->process(nframes);}
+}  // extern "C"
+
+JackClient::JackClient()
+  : refcnt(0)
+{
+	jack_status_t status;
+
+	jack_client = jack_client_open("DrumGizmo", JackNullOption, &status);
+
+  jack_set_process_callback(jack_client, _wrap_jack_process, this);
+}
+
+JackClient::~JackClient()
+{
+	jack_client_close(jack_client);
+}
+
+void JackClient::addJackProcess(JackProcess *process)
+{
+  jack_processes.insert(process);
+}
+
+void JackClient::removeJackProcess(JackProcess *process)
+{
+  jack_processes.erase(process);
+}
+
+void JackClient::activate()
+{
+	if(!active) jack_activate(jack_client);
+  active = true;
+}
+
+int JackClient::process(jack_nframes_t nframes)
+{
+  std::set<JackProcess *>::iterator i = jack_processes.begin();
+  while(i != jack_processes.end()) {
+    JackProcess *jp = *i;
+    jp->jack_process(nframes);
+    i++;
+  }
+
+	return 0;
+}
+
+JackClient *jackclient = NULL;
+
+JackClient *init_jack_client()
+{
+  if(jackclient == NULL) jackclient = new JackClient();
+  jackclient->refcnt++;
+  return jackclient;
+
+}
+void close_jack_client()
+{
+  if(jackclient) {
+    jackclient->refcnt--;
+    if(jackclient->refcnt == 0) {
+      delete jackclient;
+      jackclient = NULL;
+    }
+  }
+}