1 files changed, 190 insertions, 0 deletions
diff --git a/muse_qt4_evolution/muse/auxplugin.cpp b/muse_qt4_evolution/muse/auxplugin.cpp
new file mode 100644
index 00000000..ad203c84
--- /dev/null
+++ b/muse_qt4_evolution/muse/auxplugin.cpp
@@ -0,0 +1,190 @@
+//=============================================================================
+//  MusE
+//  Linux Music Editor
+//  $Id:$
+//
+//  Copyright (C) 2006 by Werner Schweer and others
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License version 2.
+//
+//  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//=============================================================================
+
+#include "globaldefs.h"
+#include "auxplugin.h"
+#include "gconfig.h"
+
+AuxPlugin* auxPlugin;
+
+//---------------------------------------------------------
+//   AuxPlugin
+//---------------------------------------------------------
+
+AuxPlugin::AuxPlugin()
+   : Plugin(0)
+      {
+      }
+
+//---------------------------------------------------------
+//   range
+//---------------------------------------------------------
+
+void AuxPlugin::range(int idx, double* min, double* max) const
+      {
+      switch(idx) {
+            case 0:           // volume
+                  *min = pow(10.0f, config.minSlider * 0.05f);
+                  *max = pow(10.0f, config.maxSlider * 0.05f);
+                  break;
+            case 1:           // pan
+                  *min = -1.0;
+                  *max = 1.0;
+                  break;
+            default:
+                  printf("AuxPlugin::bad index\n");
+                  break;
+            }
+      }
+
+//---------------------------------------------------------
+//   createPIF
+//---------------------------------------------------------
+
+PluginIF* AuxPlugin::createPIF(PluginI* pi)
+      {
+      AuxPluginIF* pif = new AuxPluginIF(pi);
+      pif->init(pi->plugin());
+      return pif;
+      }
+
+//---------------------------------------------------------
+//   isLog
+//---------------------------------------------------------
+
+bool AuxPlugin::isLog(int idx) const
+      {
+      return idx == 0 ? true : false;
+      }
+
+//---------------------------------------------------------
+//   isBool
+//---------------------------------------------------------
+
+bool AuxPlugin::isBool(int) const
+      {
+      return false;
+      }
+
+//---------------------------------------------------------
+//   isInt
+//---------------------------------------------------------
+
+bool AuxPlugin::isInt(int) const
+      {
+      return false;
+      }
+
+//---------------------------------------------------------
+//   defaultValue
+//---------------------------------------------------------
+
+double AuxPlugin::defaultValue(int idx) const
+      {
+      return idx == 0 ? -70.0 : 0.0;
+      }
+
+//---------------------------------------------------------
+//   AuxPluginIF
+//---------------------------------------------------------
+
+AuxPluginIF::AuxPluginIF(PluginI* pi)
+   : PluginIF(pi)
+      {
+      for (int i = 0; i < MAX_CHANNELS; ++i)
+            posix_memalign((void**)(_buffer + i), 16, sizeof(float) * segmentSize);
+      }
+
+//---------------------------------------------------------
+//   AuxPluginIF
+//---------------------------------------------------------
+
+AuxPluginIF::~AuxPluginIF()
+      {
+      for (int i = 0; i < MAX_CHANNELS; ++i) {
+            if (_buffer[i])
+            	free(_buffer[i]);
+            }
+      }
+
+//---------------------------------------------------------
+//   apply
+//---------------------------------------------------------
+
+void AuxPluginIF::apply(unsigned nframes, float** s, float** /*dst*/)
+      {
+      // TODO: optimize copy away if there is no route
+      double vol[2];
+      vol[0] = volume * (1.0 - pan);
+      vol[1] = volume * (1.0 + pan);
+
+      for (int i = 0; i < pluginI->channel(); ++i) {
+            float* dst = _buffer[i];
+            float* src = s[i];
+            double v   = vol[i];
+            for (unsigned k = 0; k < nframes; ++k)
+                  *dst++ = (*src++) * v;
+            }
+      }
+
+//---------------------------------------------------------
+//   getParameterName
+//---------------------------------------------------------
+
+const char* AuxPluginIF::getParameterName(int i) const
+      {
+      if (i == 0)
+            return "Volume";
+      else
+            return "Pan";
+      }
+
+//---------------------------------------------------------
+//   setParam
+//---------------------------------------------------------
+
+void AuxPluginIF::setParam(int i, double val)
+      {
+      if (i == 0)
+            volume = val;
+      else
+            pan = val;
+      }
+
+//---------------------------------------------------------
+//   param
+//---------------------------------------------------------
+
+float AuxPluginIF::param(int i) const
+      {
+      return i == 0 ? volume : pan;
+      }
+
+//---------------------------------------------------------
+//   init
+//---------------------------------------------------------
+
+bool AuxPluginIF::init(Plugin* p)
+      {
+      volume = p->defaultValue(0);
+      pan    = p->defaultValue(1);
+      return true;
+      }
+