Paul Davis
ede4ecbb00
git-svn-id: svn://localhost/ardour2/branches/3.0@7792 d708f5d6-7413-0410-9779-e7cbd77b26cf
98 lines
1.9 KiB
C++
98 lines
1.9 KiB
C++
/*
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Copyright (C) 2004 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <iostream>
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#include <cerrno>
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#include <jack/jack.h>
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#include <jack/transport.h>
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#include "ardour/slave.h"
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#include "ardour/session.h"
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#include "i18n.h"
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using namespace std;
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using namespace ARDOUR;
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JACK_Slave::JACK_Slave (jack_client_t* j)
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: jack (j)
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{
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double x;
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framepos_t p;
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/* call this to initialize things */
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speed_and_position (x, p);
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}
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JACK_Slave::~JACK_Slave ()
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{
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}
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void
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JACK_Slave::reset_client (jack_client_t* j)
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{
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jack = j;
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}
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bool
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JACK_Slave::locked() const
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{
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return true;
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}
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bool
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JACK_Slave::ok() const
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{
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return true;
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}
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bool
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JACK_Slave::speed_and_position (double& sp, framepos_t& position)
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{
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jack_position_t pos;
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jack_transport_state_t state;
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state = jack_transport_query (jack, &pos);
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switch (state) {
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case JackTransportStopped:
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speed = 0;
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_starting = false;
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break;
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case JackTransportRolling:
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speed = 1.0;
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_starting = false;
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break;
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case JackTransportLooping:
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speed = 1.0;
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_starting = false;
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break;
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case JackTransportStarting:
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_starting = true;
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// don't adjust speed here, just leave it as it was
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break;
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default:
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cerr << "WARNING: Unknown JACK transport state: " << state << endl;
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}
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sp = speed;
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position = pos.frame;
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return true;
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}
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