ardour/libs/ardour/panner.cc

90 lines
2.3 KiB
C++

/*
* Copyright (C) 2005-2006 Jesse Chappell <jesse@essej.net>
* Copyright (C) 2005-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2006-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2008-2012 Carl Hetherington <carl@carlh.net>
*
* 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 "ardour/buffer_set.h"
#include "ardour/debug.h"
#include "ardour/panner.h"
#include "ardour/pannable.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
Panner::Panner (boost::shared_ptr<Pannable> p)
: _frozen (0)
{
// boost_debug_shared_ptr_mark_interesting (this, "panner");
_pannable = p;
}
Panner::~Panner ()
{
DEBUG_TRACE(PBD::DEBUG::Destruction, string_compose ("panner @ %1 destructor, pannable is %2 @ %3\n", this, _pannable, &_pannable));
}
XMLNode&
Panner::get_state ()
{
return *(new XMLNode (X_("Panner")));
}
void
Panner::distribute (BufferSet& ibufs, BufferSet& obufs, gain_t gain_coeff, pframes_t nframes)
{
uint32_t which = 0;
for (BufferSet::audio_iterator src = ibufs.audio_begin(); src != ibufs.audio_end(); ++src, ++which) {
distribute_one (*src, obufs, gain_coeff, nframes, which);
}
}
void
Panner::distribute_automated (BufferSet& ibufs, BufferSet& obufs,
samplepos_t start, samplepos_t end, pframes_t nframes, pan_t** buffers)
{
uint32_t which = 0;
for (BufferSet::audio_iterator src = ibufs.audio_begin(); src != ibufs.audio_end(); ++src, ++which) {
distribute_one_automated (*src, obufs, start, end, nframes, buffers, which);
}
}
int
Panner::set_state (XMLNode const &, int)
{
return 0;
}
void
Panner::freeze ()
{
_frozen++;
}
void
Panner::thaw ()
{
if (_frozen > 0.0) {
_frozen--;
}
}