2 Copyright (C) 2006 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.
22 #include <ardour/midi_port.h>
23 #include <ardour/jack_midi_port.h>
24 #include <ardour/data_type.h>
26 using namespace ARDOUR;
29 MidiPort::MidiPort (const std::string& name, Flags flags, bool external, nframes_t capacity)
31 , BaseMidiPort (name, flags)
32 , PortFacade (name, flags)
34 _buffer = new MidiBuffer (capacity);
37 /* external ports use the same buffer for the jack port (_ext_port)
38 * and internal ports (this) */
39 _ext_port = new JackMidiPort (name, flags, _buffer);
41 /* internal ports just have a single buffer, no jack port */
60 BaseMidiPort::reset();
68 MidiPort::cycle_start (nframes_t nframes, nframes_t offset)
70 /* caller must hold process lock */
73 _ext_port->cycle_start (nframes, offset);
76 if (_flags & IsInput) {
80 BaseMidiPort* mprt = dynamic_cast<BaseMidiPort*>(_ext_port);
82 assert(&mprt->get_midi_buffer() == _buffer);
84 if (!_connections.empty()) {
85 (*_mixdown) (_connections, _buffer, nframes, offset, false);
90 if (_connections.empty()) {
91 _buffer->silence (nframes, offset);
93 (*_mixdown) (_connections, _buffer, nframes, offset, true);
99 _buffer->silence (nframes, offset);