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/*
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2009-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2013-2017 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <glibmm/threads.h>
#include "ardour/internal_return.h"
#include "ardour/internal_send.h"
#include "ardour/route.h"
using namespace std;
using namespace ARDOUR;
InternalReturn::InternalReturn (Session& s)
: Return (s, true)
{
_display_to_user = false;
}
void
InternalReturn::run (BufferSet& bufs, samplepos_t /*start_sample*/, samplepos_t /*end_sample*/, double /*speed*/, pframes_t nframes, bool)
{
if (!_active && !_pending_active) {
return;
}
_active = _pending_active;
Glib::Threads::Mutex::Lock lm (_sends_mutex, Glib::Threads::TRY_LOCK);
if (!lm.locked ()) {
return;
}
for (list<InternalSend*>::iterator i = _sends.begin(); i != _sends.end(); ++i) {
if ((*i)->active () && (!(*i)->source_route() || (*i)->source_route()->active())) {
bufs.merge_from ((*i)->get_buffers(), nframes);
}
}
}
void
InternalReturn::add_send (InternalSend* send)
{
Glib::Threads::Mutex::Lock lm (_sends_mutex);
_sends.push_back (send);
}
void
InternalReturn::remove_send (InternalSend* send)
{
Glib::Threads::Mutex::Lock lm (_sends_mutex);
_sends.remove (send);
}
void
InternalReturn::set_playback_offset (samplecnt_t cnt)
{
Processor::set_playback_offset (cnt);
Glib::Threads::Mutex::Lock lm (_sends_mutex); // TODO reader lock
for (list<InternalSend*>::iterator i = _sends.begin(); i != _sends.end(); ++i) {
(*i)->set_delay_out (cnt);
}
}
XMLNode&
InternalReturn::state ()
{
XMLNode& node (Return::state ());
/* override type */
node.set_property("type", "intreturn");
return node;
}
bool
InternalReturn::can_support_io_configuration (const ChanCount& in, ChanCount& out)
{
out = in;
return true;
}
bool
InternalReturn::configure_io (ChanCount in, ChanCount out)
{
IOProcessor::configure_io (in, out);
return true;
}
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