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/audioengine.h>
21 #include <ardour/jack_audio_port.h>
23 using namespace ARDOUR;
25 JackAudioPort::JackAudioPort (const std::string& name, Flags flgs, AudioBuffer* buf)
27 , JackPort (name, DataType::AUDIO, flgs)
28 , BaseAudioPort (name, flgs)
29 , _has_been_mixed_down( false )
38 /* data space will be provided by JACK */
40 _buffer = new AudioBuffer (0);
46 JackAudioPort::reestablish ()
48 int ret = JackPort::reestablish ();
50 if (ret == 0 && _flags & IsOutput) {
58 JackAudioPort::get_audio_buffer (nframes_t nframes, nframes_t offset) {
61 if (_has_been_mixed_down)
64 if( _flags & IsInput )
65 _buffer->set_data ((Sample*) jack_port_get_buffer (_port, nframes), nframes+offset);
69 _has_been_mixed_down = true;
75 JackAudioPort::cycle_start (nframes_t nframes, nframes_t offset) {
76 if( _flags & IsOutput )
77 _buffer->set_data ((Sample*) jack_port_get_buffer (_port, nframes), nframes+offset);
80 JackAudioPort::cycle_end (nframes_t nframes, nframes_t offset) {
81 _has_been_mixed_down=false;