2 Copyright (C) 2004 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include <jack/jack.h>
25 #include <jack/transport.h>
26 #include <pbd/error.h>
28 #include <ardour/slave.h>
29 #include <ardour/session.h>
33 using namespace ARDOUR;
36 JACK_Slave::JACK_Slave (jack_client_t* j)
41 /* call this to initialize things */
42 speed_and_position (x, p);
45 JACK_Slave::~JACK_Slave ()
50 JACK_Slave::locked() const
56 JACK_Slave::ok() const
62 JACK_Slave::speed_and_position (float& sp, jack_nframes_t& position)
65 jack_transport_state_t state;
67 state = jack_transport_query (jack, &pos);
70 case JackTransportStopped:
74 case JackTransportRolling:
78 case JackTransportLooping:
82 case JackTransportStarting:
84 // don't adjust speed here, just leave it as it was