2 Copyright (C) 2004-2011 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/audio_buffer.h"
21 #include "ardour/buffer_set.h"
22 #include "ardour/panner.h"
23 #include "ardour/pannable.h"
24 #include "ardour/session.h"
25 #include "ardour/utils.h"
28 using namespace ARDOUR;
30 Panner::Panner (boost::shared_ptr<Pannable> p)
41 Panner::set_bypassed (bool yn)
43 if (yn != _bypassed) {
50 Panner::set_mono (bool yn)
59 Panner::set_state (const XMLNode& node, int version)
61 const XMLProperty* prop;
62 XMLNodeConstIterator iter;
64 if ((prop = node.property (X_("mono")))) {
65 set_mono (string_is_affirmative (prop->value()));
68 if ((prop = node.property (X_("bypassed"))) != 0) {
69 set_bypassed (string_is_affirmative (prop->value()));
78 XMLNode* node = new XMLNode (X_("Panner"));
80 node->add_property (X_("mono"), (_mono ? "yes" : "no"));
81 node->add_property (X_("bypassed"), (bypassed() ? "yes" : "no"));
87 Panner::distribute (BufferSet& ibufs, BufferSet& obufs, gain_t gain_coeff, pframes_t nframes)
91 for (BufferSet::audio_iterator src = ibufs.audio_begin(); src != ibufs.audio_end(); ++src, ++which) {
93 /* we're in mono mode, so just pan the input to all outputs equally (XXX should we scale?) */
94 for (BufferSet::audio_iterator o = obufs.audio_begin(); o != obufs.audio_end(); ++o) {
95 mix_buffers_with_gain ((*o).data(), (*src).data(), nframes, gain_coeff);
98 /* normal mode, call the `real' distribute method */
99 distribute_one (*src, obufs, gain_coeff, nframes, which);
105 Panner::distribute_automated (BufferSet& ibufs, BufferSet& obufs,
106 framepos_t start, framepos_t end, pframes_t nframes, pan_t** buffers)
110 for (BufferSet::audio_iterator src = ibufs.audio_begin(); src != ibufs.audio_end(); ++src, ++which) {
112 /* we're in mono mode, so just pan the input to all outputs equally (XXX should we scale?) */
113 for (BufferSet::audio_iterator o = obufs.audio_begin(); o != obufs.audio_end(); ++o) {
114 mix_buffers_with_gain ((*o).data(), (*src).data(), nframes, 1.0);
117 /* normal mode, call the `real' distribute method */
118 distribute_one_automated (*src, obufs, start, end, nframes, buffers, which);
124 Panner::set_automation_style (AutoStyle style)
126 _pannable->set_automation_style (style);
130 Panner::set_automation_state (AutoState state)
132 _pannable->set_automation_state (state);
136 Panner::automation_state () const
138 return _pannable->automation_state();
142 Panner::automation_style () const
144 return _pannable->automation_style ();
148 Panner::touching () const
150 return _pannable->touching ();
153 set<Evoral::Parameter>
154 Panner::what_can_be_automated() const
156 return _pannable->what_can_be_automated ();
160 Panner::describe_parameter (Evoral::Parameter p)
162 return _pannable->describe_parameter (p);
166 Panner::value_as_string (boost::shared_ptr<AutomationControl> ac) const
168 return _pannable->value_as_string (ac);