2 Copyright (C) 2009 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.
19 #include <glibmm/thread.h>
21 #include "pbd/failed_constructor.h"
23 #include "ardour/audio_buffer.h"
24 #include "ardour/internal_return.h"
25 #include "ardour/mute_master.h"
26 #include "ardour/session.h"
27 #include "ardour/internal_send.h"
28 #include "ardour/audioengine.h"
31 using namespace ARDOUR;
33 InternalReturn::InternalReturn (Session& s)
36 _display_to_user = false;
40 InternalReturn::run (BufferSet& bufs, framepos_t /*start_frame*/, framepos_t /*end_frame*/, pframes_t nframes, bool)
42 if (!_active && !_pending_active) {
46 Glib::Mutex::Lock lm (_sends_mutex, Glib::TRY_LOCK);
49 for (list<InternalSend*>::iterator i = _sends.begin(); i != _sends.end(); ++i) {
50 if ((*i)->active ()) {
51 bufs.merge_from ((*i)->get_buffers(), nframes);
56 _active = _pending_active;
60 InternalReturn::add_send (InternalSend* send)
62 Glib::Mutex::Lock lm (_sends_mutex);
63 _sends.push_back (send);
67 InternalReturn::remove_send (InternalSend* send)
69 Glib::Mutex::Lock lm (_sends_mutex);
74 InternalReturn::state (bool full)
76 XMLNode& node (Return::state (full));
78 node.add_property("type", "intreturn");
83 InternalReturn::get_state()
89 InternalReturn::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
96 InternalReturn::configure_io (ChanCount in, ChanCount out)
98 IOProcessor::configure_io (in, out);