Some midi plugin work

8 files changed, 443 insertions, 1 deletions

diff --git a/muse/ChangeLog b/muse/ChangeLog
index 3523283d..0400c853 100644
--- a/muse/ChangeLog
+++ b/muse/ChangeLog
@@ -1,3 +1,5 @@
+22.8 (rj)
+      * playing with midi plugins, one new example plugin: trigg
 29.7 (ws)
       * fixed drawing of waveform in wave track. Concurrent wave file 
         accesses from gui and rt task produced distortions ("crackling").
diff --git a/muse/midiplugins/CMakeLists.txt b/muse/midiplugins/CMakeLists.txt
index 7ef43a45..cca0fb38 100644
--- a/muse/midiplugins/CMakeLists.txt
+++ b/muse/midiplugins/CMakeLists.txt
@@ -18,7 +18,7 @@
 #  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 #=============================================================================
 
-subdirs(libmidiplugin filter metronom transform )
+subdirs(libmidiplugin filter metronom transform trigg )
 
 set ( CMAKE_CXX_FLAGS 
       "${CMAKE_CXX_FLAGS} -DQT_NO_DEBUG -DQT_PLUGIN -DQT_SHARED -fPIC"
diff --git a/muse/midiplugins/trigg/CMakeLists.txt b/muse/midiplugins/trigg/CMakeLists.txt
new file mode 100644
index 00000000..aa270f20
--- /dev/null
+++ b/muse/midiplugins/trigg/CMakeLists.txt
@@ -0,0 +1,47 @@
+#=============================================================================
+#  MusE
+#  Linux Music Editor
+#  $Id:$
+#
+#  Copyright (C) 2002-2006 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.
+#=============================================================================
+
+QT4_WRAP_CPP ( trigg_mocs trigggui.h )
+QT4_WRAP_UI (  trigg_uis trigggui.ui )
+
+add_library ( trigg SHARED 
+      trigg.cpp 
+      trigggui.cpp
+      trigggui.h
+      ${trigg_mocs}
+      ${trigg_uis}
+      )
+
+target_link_libraries( trigg
+   midiplugin awl
+   ${QT_LIBRARIES}
+   )
+
+# - tell cmake to name target name.so instead of 
+#   libname.so
+# - use precompiled header files
+#
+set_target_properties ( trigg
+   PROPERTIES PREFIX ""
+   COMPILE_FLAGS "-include ${PROJECT_BINARY_DIR}/all-pic.h"
+   )
+
+install_targets ( /lib/${MusE_INSTALL_NAME}/midiplugins/ trigg )
+
diff --git a/muse/midiplugins/trigg/trigg.cpp b/muse/midiplugins/trigg/trigg.cpp
new file mode 100644
index 00000000..612b9c6b
--- /dev/null
+++ b/muse/midiplugins/trigg/trigg.cpp
@@ -0,0 +1,131 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: filter.cpp,v 1.10 2005/11/06 17:49:34 wschweer Exp $
+//
+//    filter  - simple midi filter
+//
+//  (C) Copyright 2005 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "trigggui.h"
+#include "trigg.h"
+#include "midi.h"
+#include "mpevent.h"
+
+//---------------------------------------------------------
+//   Trigg
+//---------------------------------------------------------
+
+Trigg::Trigg(const char* name, const MempiHost* h)
+   : Mempi(name, h)
+      {
+      data.note=30;    // allow any events
+      data.velocity=127;
+      gui = 0;
+      }
+
+//---------------------------------------------------------
+//   Trigg
+//---------------------------------------------------------
+
+Trigg::~Trigg()
+      {
+      if (gui)
+            delete gui;
+      }
+
+//---------------------------------------------------------
+//   init
+//---------------------------------------------------------
+
+bool Trigg::init()
+      {
+      gui = new TriggGui(this, 0);
+      gui->setWindowTitle("MusE: "+QString(name()));
+      gui->show();
+      return false;
+      }
+
+//---------------------------------------------------------
+//   getGeometry
+//---------------------------------------------------------
+
+void Trigg::getGeometry(int* x, int* y, int* w, int* h) const
+      {
+      QPoint pos(gui->pos());
+      QSize size(gui->size());
+      *x = pos.x();
+      *y = pos.y();
+      *w = size.width();
+      *h = size.height();
+      }
+
+//---------------------------------------------------------
+//   setGeometry
+//---------------------------------------------------------
+
+void Trigg::setGeometry(int x, int y, int w, int h)
+      {
+      gui->resize(QSize(w, h));
+      gui->move(QPoint(x, y));
+      }
+
+//---------------------------------------------------------
+//   process
+//---------------------------------------------------------
+
+void Trigg::process(unsigned , unsigned , MPEventList* il, MPEventList* ol)
+      {
+
+      for (iMPEvent i = il->begin(); i != il->end(); ++i) {
+            MidiEvent temp=*i;
+            if (temp.isNote() || temp.isNoteOff())
+                    {
+                    // for each event modify note and velocity
+                    printf("a=%d b=%d isNote=%d isNoteOff=%d\n",temp.dataA(),temp.dataB(),temp.isNote(),temp.isNoteOff());
+                    temp.setA(data.note);
+                    if (!temp.isNoteOff()) 
+                        temp.setB(data.velocity);
+                    printf("AFTER a=%d b=%d\n",temp.dataA(),temp.dataB());
+                    }
+            ol->insert(temp);
+            }
+      }
+
+void Trigg::getInitData(int* n, const unsigned char** p) const
+      {
+      *n = sizeof(data);
+      *p = (unsigned char*)&data;
+      printf("::getInitData note=%d vel=%d\n",data.note,data.velocity);
+      }
+
+void Trigg::setInitData(int n, const unsigned char* p)
+      {
+      memcpy((void*)&data, p, n);
+      if (gui)
+            gui->init();
+      }
+
+//---------------------------------------------------------
+//   inst
+//---------------------------------------------------------
+
+static Mempi* instantiate(const char* name, const MempiHost* h)
+      {
+      return new Trigg(name, h);
+      }
+
+extern "C" {
+      static MEMPI descriptor = {
+            "Trigg",
+            "Any note triggers a specified note with specified velocity",
+            "1.0",                  // filter version string
+            MEMPI_FILTER,           // plugin type
+            MEMPI_MAJOR_VERSION, MEMPI_MINOR_VERSION,
+            instantiate
+            };
+
+      const MEMPI* mempi_descriptor() { return &descriptor; }
+      }
+
diff --git a/muse/midiplugins/trigg/trigg.h b/muse/midiplugins/trigg/trigg.h
new file mode 100644
index 00000000..b7635287
--- /dev/null
+++ b/muse/midiplugins/trigg/trigg.h
@@ -0,0 +1,49 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: filter.h,v 1.4 2005/06/12 08:18:37 wschweer Exp $
+//
+//    filter  - simple midi filter
+//
+//  (C) Copyright 2005 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#ifndef __TRIGG_H__
+#define __TRIGG_H__
+
+#include "../libmidiplugin/mempi.h"
+
+//---------------------------------------------------------
+//   filter - simple midi filter
+//---------------------------------------------------------
+class Trigg : public Mempi {
+      struct initData {
+            int note;
+            int velocity;
+            } data;
+      friend class TriggGui;
+
+      TriggGui* gui;
+
+      virtual void process(unsigned, unsigned, MPEventList*, MPEventList*);
+
+   public:
+      Trigg(const char* name, const MempiHost*);
+      ~Trigg();
+      virtual bool init();
+
+      void setNote(int t)          { data.note = t;       }
+      void setVelocity(int t) { data.velocity = t;  }
+
+      virtual bool hasGui() const      { return true;             }
+      virtual bool guiVisible() const  { return gui->isVisible(); }
+      virtual void showGui(bool val)   { gui->setShown(val);      }
+      virtual void getGeometry(int* x, int* y, int* w, int* h) const;
+      virtual void setGeometry(int, int, int, int);
+
+      virtual void getInitData(int*, const unsigned char**) const;
+      virtual void setInitData(int, const unsigned char*);
+      };
+
+#endif
+
diff --git a/muse/midiplugins/trigg/trigggui.cpp b/muse/midiplugins/trigg/trigggui.cpp
new file mode 100644
index 00000000..0fd3c4c6
--- /dev/null
+++ b/muse/midiplugins/trigg/trigggui.cpp
@@ -0,0 +1,56 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: filtergui.cpp,v 1.4 2005/11/06 17:49:34 wschweer Exp $
+//
+//  (C) Copyright 2005 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "trigggui.h"
+#include "trigg.h"
+
+//---------------------------------------------------------
+//   MidiTriggConfig
+//---------------------------------------------------------
+
+TriggGui::TriggGui(Trigg* f, QWidget* parent)
+  : QDialog(parent)
+      {
+      setupUi(this);
+      filter = f;
+
+      connect(noteEntry, SIGNAL(valueChanged(int)), SLOT(setNote(int)));
+      connect(velocityEntry, SIGNAL(valueChanged(int)), SLOT(setVelocity(int)));
+      }
+
+//---------------------------------------------------------
+//   init
+//---------------------------------------------------------
+void TriggGui::init()
+      {
+      Trigg::initData *data;
+      int n;
+      filter->getInitData(&n,(const unsigned char **)&data);
+      printf("::init note=%d vel=%d\n",data->note,data->velocity);
+      noteEntry->setValue(data->note);
+      velocityEntry->setValue(data->velocity);
+      }
+
+//---------------------------------------------------------
+//   setNote
+//---------------------------------------------------------
+void TriggGui::setNote(int value)
+      {
+      printf("TriggGui::setNote %d\n",value);
+      filter->setNote(value);
+      }
+
+//---------------------------------------------------------
+//   setVelocity
+//---------------------------------------------------------
+void TriggGui::setVelocity(int value)
+      {
+      printf("TriggGui::setVelocity %d\n",value);
+      filter->setVelocity(value);
+      }
+
diff --git a/muse/midiplugins/trigg/trigggui.h b/muse/midiplugins/trigg/trigggui.h
new file mode 100644
index 00000000..f4c597fa
--- /dev/null
+++ b/muse/midiplugins/trigg/trigggui.h
@@ -0,0 +1,48 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: filtergui.h,v 1.4 2005/11/06 17:49:34 wschweer Exp $
+//
+//  (C) Copyright 2005 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#ifndef __FILTERGUI_H__
+#define __FILTERGUI_H__
+
+#include "ui_trigggui.h"
+
+class Trigg;
+
+enum {
+      MIDI_FILTER_NOTEON    = 1,
+      MIDI_FILTER_POLYP     = 2,
+      MIDI_FILTER_CTRL      = 4,
+      MIDI_FILTER_PROGRAM   = 8,
+      MIDI_FILTER_AT        = 16,
+      MIDI_FILTER_PITCH     = 32,
+      MIDI_FILTER_SYSEX     = 64
+      };
+
+//---------------------------------------------------------
+//   TriggGui
+//---------------------------------------------------------
+
+class TriggGui : public QDialog, public Ui::TriggBase {
+      Q_OBJECT
+
+      Trigg* filter;
+
+   signals:
+      void hideWindow();
+
+   private slots:
+      void setNote(int );
+      void setVelocity(int );
+
+   public:
+      TriggGui(Trigg*, QWidget* parent=0);
+      void init();
+      };
+
+#endif
+
diff --git a/muse/midiplugins/trigg/trigggui.ui b/muse/midiplugins/trigg/trigggui.ui
new file mode 100644
index 00000000..5c096e24
--- /dev/null
+++ b/muse/midiplugins/trigg/trigggui.ui
@@ -0,0 +1,109 @@
+<ui version="4.0" >
+ <author></author>
+ <comment></comment>
+ <exportmacro></exportmacro>
+ <class>TriggBase</class>
+ <widget class="QDialog" name="TriggBase" >
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>233</width>
+    <height>125</height>
+   </rect>
+  </property>
+  <property name="sizePolicy" >
+   <sizepolicy>
+    <hsizetype>3</hsizetype>
+    <vsizetype>5</vsizetype>
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle" >
+   <string>MusE:  Midi Input Trigg</string>
+  </property>
+  <layout class="QGridLayout" >
+   <property name="margin" >
+    <number>9</number>
+   </property>
+   <property name="spacing" >
+    <number>6</number>
+   </property>
+   <item row="0" column="0" >
+    <widget class="QGroupBox" name="GroupBoxx" >
+     <property name="sizePolicy" >
+      <sizepolicy>
+       <hsizetype>5</hsizetype>
+       <vsizetype>5</vsizetype>
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="title" >
+      <string>Trigg</string>
+     </property>
+     <layout class="QGridLayout" >
+      <property name="margin" >
+       <number>9</number>
+      </property>
+      <property name="spacing" >
+       <number>6</number>
+      </property>
+      <item row="0" column="0" >
+       <layout class="QGridLayout" >
+        <property name="margin" >
+         <number>0</number>
+        </property>
+        <property name="spacing" >
+         <number>6</number>
+        </property>
+        <item row="1" column="1" >
+         <widget class="QLabel" name="label_2" >
+          <property name="text" >
+           <string>Velocity</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="0" >
+         <widget class="QSpinBox" name="noteEntry" >
+          <property name="maximum" >
+           <number>127</number>
+          </property>
+          <property name="value" >
+           <number>30</number>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="0" >
+         <widget class="QSpinBox" name="velocityEntry" >
+          <property name="maximum" >
+           <number>127</number>
+          </property>
+          <property name="minimum" >
+           <number>0</number>
+          </property>
+          <property name="value" >
+           <number>127</number>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1" >
+         <widget class="QLabel" name="label" >
+          <property name="text" >
+           <string>Note</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <layoutdefault spacing="6" margin="11" />
+ <pixmapfunction></pixmapfunction>
+ <resources/>
+ <connections/>
+</ui>