initial checkin

svn path=/trunk/externals/tb/; revision=2894

1 files changed, 116 insertions, 0 deletions

diff --git a/jack_transport/jack_transport.c b/jack_transport/jack_transport.c
new file mode 100644
index 0000000..053e75b
--- /dev/null
+++ b/jack_transport/jack_transport.c
@@ -0,0 +1,116 @@
+/* 
+* 
+* jack_transport Copyright (C) 2005 Tim Blechmann
+* 
+* This program 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.
+* 
+* This program 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 this program; see the file COPYING.  If not, write to
+* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+* Boston, MA 02111-1307, USA.
+*/
+
+#include "m_pd.h"
+#include "jack/jack.h"
+#include "stdio.h"
+
+static t_class *jack_transport_class;
+
+typedef struct _jack_transport
+{
+    t_object x_obj;
+	t_outlet * x_outlet;
+	jack_client_t* x_jack_client;
+	jack_position_t* x_pos;
+} jack_transport_t;
+
+
+/* connect to jack server */
+static int jack_transport_connect(jack_transport_t * x)
+{
+	char port_name[80] = "";
+
+	static int client = 0;
+	do 
+	{
+		sprintf(port_name,"pure_data_jack_transport_%d",client);
+		client++;
+	} 
+	while (((x->x_jack_client = jack_client_new (port_name)) == 0) &&
+		   client < 100);
+	client = 0;
+
+	if (!x->x_jack_client)
+	{
+		post("jack_transport: can't connect to jack server");
+		return 1;
+	}
+
+	post("jack_transport: connecting as %s", port_name);
+	
+	jack_activate(x->x_jack_client);
+	
+	return 0;
+}
+
+
+static jack_transport_t * jack_transport_new(void)
+{
+	int status = 0;
+	jack_transport_t *x = (jack_transport_t*) pd_new(jack_transport_class);
+	
+	x->x_outlet = outlet_new(&x->x_obj, NULL);
+	x->x_pos = (jack_position_t*) getbytes(sizeof(jack_position_t));
+	
+	status = jack_transport_connect(x);
+
+	return x;
+}
+
+static void jack_transport_starter(jack_transport_t * x)
+{
+	jack_transport_start(x->x_jack_client);
+	return;
+}
+
+static void jack_transport_stoper(jack_transport_t * x)
+{
+	jack_transport_stop(x->x_jack_client);
+	return;
+}
+
+static void jack_transport_bang(jack_transport_t * x)
+{
+	float f;
+	if (!x->x_jack_client)
+		return;
+
+	jack_transport_query(x->x_jack_client,x->x_pos);
+	
+	f = x->x_pos->frame;
+	
+	outlet_float(x->x_outlet, f);
+}
+
+
+void jack_transport_setup(void)
+{
+	jack_transport_class = class_new(gensym("jack_transport"), 
+									 (t_newmethod)jack_transport_new,
+									 NULL, sizeof(jack_transport_t),
+									 CLASS_DEFAULT, 0);
+    class_addmethod(jack_transport_class, (t_method)jack_transport_starter,
+					gensym("start"),0,0);
+	class_addmethod(jack_transport_class, (t_method)jack_transport_stoper,
+					gensym("stop"),0,0);
+	class_addbang(jack_transport_class, (t_method)jack_transport_bang);
+
+}