libs/ardour/panner.cc

   1 /*
   2     Copyright (C) 2004-2011 Paul Davis
   3
   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.
   8
   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.
  13
  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.
  17
  18 */
  19
  20 #include "ardour/audio_buffer.h"
  21 #include "ardour/buffer_set.h"
  22 #include "ardour/debug.h"
  23 #include "ardour/panner.h"
  24 #include "ardour/pannable.h"
  25 #include "ardour/session.h"
  26 #include "ardour/utils.h"
  27
  28 #include "i18n.h"
  29
  30 using namespace std;
  31 using namespace ARDOUR;
  32
  33 Panner::Panner (boost::shared_ptr<Pannable> p)
  34         : _pannable (p)
  35 {
  36 }
  37
  38 Panner::~Panner ()
  39 {
  40         DEBUG_TRACE(PBD::DEBUG::Destruction, string_compose ("panner @ %1 destructor, pannable is %2\n", this, _pannable));
  41 }
  42
  43 XMLNode&
  44 Panner::get_state ()
  45 {
  46         return *(new XMLNode (X_("Panner")));
  47 }
  48
  49 void
  50 Panner::distribute (BufferSet& ibufs, BufferSet& obufs, gain_t gain_coeff, pframes_t nframes)
  51 {
  52         uint32_t which = 0;
  53
  54         for (BufferSet::audio_iterator src = ibufs.audio_begin(); src != ibufs.audio_end(); ++src, ++which) {
  55                 distribute_one (*src, obufs, gain_coeff, nframes, which);
  56         }
  57 }
  58
  59 void
  60 Panner::distribute_automated (BufferSet& ibufs, BufferSet& obufs,
  61                               framepos_t start, framepos_t end, pframes_t nframes, pan_t** buffers)
  62 {
  63         uint32_t which = 0;
  64
  65         for (BufferSet::audio_iterator src = ibufs.audio_begin(); src != ibufs.audio_end(); ++src, ++which) {
  66                 distribute_one_automated (*src, obufs, start, end, nframes, buffers, which);
  67         }
  68 }
  69
  70 void
  71 Panner::set_automation_style (AutoStyle style)
  72 {
  73         _pannable->set_automation_style (style);
  74 }
  75
  76 void
  77 Panner::set_automation_state (AutoState state)
  78 {
  79         _pannable->set_automation_state (state);
  80 }
  81
  82 AutoState
  83 Panner::automation_state () const
  84 {
  85         return _pannable->automation_state();
  86 }
  87
  88 AutoStyle
  89 Panner::automation_style () const
  90 {
  91         return _pannable->automation_style ();
  92 }
  93
  94 bool
  95 Panner::touching () const
  96 {
  97         return _pannable->touching ();
  98 }
  99
 100 set<Evoral::Parameter>
 101 Panner::what_can_be_automated() const
 102 {
 103         return _pannable->what_can_be_automated ();
 104 }
 105
 106 string
 107 Panner::describe_parameter (Evoral::Parameter p)
 108 {
 109         return _pannable->describe_parameter (p);
 110 }
 111
 112 string
 113 Panner::value_as_string (boost::shared_ptr<AutomationControl> ac) const
 114 {
 115         return _pannable->value_as_string (ac);
 116 }
 117
 118 int
 119 Panner::set_state (XMLNode const &, int)
 120 {
 121         return 0;
 122 }