2 Copyright (C) 2002 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.
18 $Id: port.h 712 2006-07-28 01:08:57Z drobilla $
21 #ifndef __ardour_audio_port_h__
22 #define __ardour_audio_port_h__
24 #include <sigc++/signal.h>
25 #include <pbd/failed_constructor.h>
26 #include <ardour/ardour.h>
27 #include <jack/jack.h>
28 #include <ardour/port.h>
29 #include <ardour/buffer.h>
35 class AudioPort : public Port {
37 virtual ~AudioPort() {
41 void cycle_start(jack_nframes_t nframes);
44 DataType type() const { return DataType(DataType::AUDIO); }
46 Buffer& get_buffer () {
50 AudioBuffer& get_audio_buffer() {
60 void reset_peak_meter () {
64 void reset_meters () {
69 float peak_db() const { return _peak_db; }
70 jack_default_audio_sample_t peak() const { return _peak; }
72 uint32_t short_overs () const { return _short_overs; }
73 uint32_t long_overs () const { return _long_overs; }
75 static void set_short_over_length (jack_nframes_t);
76 static void set_long_over_length (jack_nframes_t);
79 friend class AudioEngine;
81 AudioPort (jack_port_t *port);
84 /* engine isn't supposed to access below here */
88 jack_nframes_t _overlen;
89 jack_default_audio_sample_t _peak;
91 uint32_t _short_overs;
94 static jack_nframes_t _long_over_length;
95 static jack_nframes_t _short_over_length;
100 #endif /* __ardour_audio_port_h__ */