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.
20 #include <ardour/audio_port.h>
21 #include <ardour/data_type.h>
23 using namespace ARDOUR;
26 jack_nframes_t AudioPort::_short_over_length = 2;
27 jack_nframes_t AudioPort::_long_over_length = 10;
29 AudioPort::AudioPort(jack_port_t* p)
34 assert(dt == DataType::AUDIO);
43 if (_flags & JackPortIsOutput) {
44 if (_buffer.capacity() > 0) {
47 assert(_buffer.silent());
55 AudioPort::cycle_start (jack_nframes_t nframes)
57 if (_flags & JackPortIsOutput) {
58 const bool silent = _buffer.silent();
59 // FIXME: do nothing, we can cache the value (but capacity needs to be set for MIDI)
60 _buffer.set_data((Sample*)jack_port_get_buffer (_port, nframes), nframes);
62 _buffer.silence(nframes);
65 _buffer.set_data((Sample*)jack_port_get_buffer (_port, nframes), nframes);
70 AudioPort::cycle_end()