/[svn]/gigedit/trunk/src/plugin/linuxsamplerplugin.cpp
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Diff of /gigedit/trunk/src/plugin/linuxsamplerplugin.cpp

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revision 1322 by schoenebeck, Tue Sep 4 11:04:56 2007 UTC revision 1680 by schoenebeck, Tue Feb 12 14:14:26 2008 UTC
# Line 1  Line 1 
1  /*  /*
2   * Copyright (C) 2007 Andreas Persson   * Copyright (C) 2007, 2008 Andreas Persson
3   *   *
4   * This program is free software; you can redistribute it and/or   * This program is free software; you can redistribute it and/or
5   * modify it under the terms of the GNU General Public License as   * modify it under the terms of the GNU General Public License as
# Line 19  Line 19 
19    
20  #include "linuxsamplerplugin.h"  #include "linuxsamplerplugin.h"
21    
22  #include <linuxsampler/engines/InstrumentEditorFactory.h>  #include <linuxsampler/plugins/InstrumentEditorFactory.h>
23  #include "../gigedit/gigedit.h"  #include "../gigedit/gigedit.h"
24    #include "../gigedit/global.h"
25    
26  #include <iostream>  #include <iostream>
27  #include <sigc++/bind.h>  #include <sigc++/bind.h>
28    #include <glibmm/main.h>
29    
30  REGISTER_INSTRUMENT_EDITOR(LinuxSamplerPlugin)  REGISTER_INSTRUMENT_EDITOR(LinuxSamplerPlugin)
31    
32  LinuxSamplerPlugin::LinuxSamplerPlugin() {  LinuxSamplerPlugin::LinuxSamplerPlugin() {
33        pApp = new GigEdit;
34    }
35    
36    LinuxSamplerPlugin::~LinuxSamplerPlugin() {
37        if (pApp) delete (GigEdit*) pApp;
38  }  }
39    
40  int LinuxSamplerPlugin::Main(void* pInstrument, String sTypeName, String sTypeVersion) {  int LinuxSamplerPlugin::Main(void* pInstrument, String sTypeName, String sTypeVersion) {
41      std::cout << "Entered Gigedit Main() loop :)\n" << std::flush;      std::cout << "Entered Gigedit Main() loop :)\n" << std::flush;
42      gig::Instrument* pGigInstr = static_cast<gig::Instrument*>(pInstrument);      gig::Instrument* pGigInstr = static_cast<gig::Instrument*>(pInstrument);
43      GigEdit app;      GigEdit* app = (GigEdit*) pApp;
44    
45      // connect notification signals      // connect notification signals
46      app.signal_file_structure_to_be_changed().connect(      app->signal_file_structure_to_be_changed().connect(
47          sigc::bind(          sigc::bind(
48              sigc::mem_fun(              sigc::mem_fun(
49                  *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged                  *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
# Line 43  int LinuxSamplerPlugin::Main(void* pInst Line 51  int LinuxSamplerPlugin::Main(void* pInst
51              "gig::File"              "gig::File"
52          )          )
53      );      );
54      app.signal_file_structure_changed().connect(      app->signal_file_structure_changed().connect(
55          sigc::bind(          sigc::bind(
56              sigc::mem_fun(              sigc::mem_fun(
57                  *this, &LinuxSamplerPlugin::NotifyDataStructureChanged                  *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
# Line 51  int LinuxSamplerPlugin::Main(void* pInst Line 59  int LinuxSamplerPlugin::Main(void* pInst
59              "gig::File"              "gig::File"
60          )          )
61      );      );
62      app.signal_samples_to_be_removed().connect(      app->signal_samples_to_be_removed().connect(
63          sigc::mem_fun(*this, &LinuxSamplerPlugin::__onSamplesToBeRemoved)          sigc::mem_fun(*this, &LinuxSamplerPlugin::__onSamplesToBeRemoved)
64      );      );
65      app.signal_samples_removed().connect(      app->signal_samples_removed().connect(
66          sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySamplesRemoved)          sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySamplesRemoved)
67      );      );
68      app.signal_region_to_be_changed().connect(      app->signal_region_to_be_changed().connect(
69          sigc::bind(          sigc::bind(
70              sigc::mem_fun(              sigc::mem_fun(
71                  *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged                  *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
# Line 65  int LinuxSamplerPlugin::Main(void* pInst Line 73  int LinuxSamplerPlugin::Main(void* pInst
73              "gig::Region"              "gig::Region"
74          )          )
75      );      );
76      app.signal_region_changed().connect(      app->signal_region_changed().connect(
77          sigc::bind(          sigc::bind(
78              sigc::mem_fun(              sigc::mem_fun(
79                  *this, &LinuxSamplerPlugin::NotifyDataStructureChanged                  *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
# Line 73  int LinuxSamplerPlugin::Main(void* pInst Line 81  int LinuxSamplerPlugin::Main(void* pInst
81              "gig::Region"              "gig::Region"
82          )          )
83      );      );
84      app.signal_dimreg_to_be_changed().connect(      app->signal_dimreg_to_be_changed().connect(
85          sigc::bind(          sigc::bind(
86              sigc::mem_fun(              sigc::mem_fun(
87                  *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged                  *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
# Line 81  int LinuxSamplerPlugin::Main(void* pInst Line 89  int LinuxSamplerPlugin::Main(void* pInst
89              "gig::DimensionRegion"              "gig::DimensionRegion"
90          )          )
91      );      );
92      app.signal_dimreg_changed().connect(      app->signal_dimreg_changed().connect(
93          sigc::bind(          sigc::bind(
94              sigc::mem_fun(              sigc::mem_fun(
95                  *this, &LinuxSamplerPlugin::NotifyDataStructureChanged                  *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
# Line 89  int LinuxSamplerPlugin::Main(void* pInst Line 97  int LinuxSamplerPlugin::Main(void* pInst
97              "gig::DimensionRegion"              "gig::DimensionRegion"
98          )          )
99      );      );
100      app.signal_sample_ref_changed().connect(      app->signal_sample_ref_changed().connect(
101          sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySampleReferenceChanged)          sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySampleReferenceChanged)
102      );      );
103    
104        app->signal_keyboard_key_hit().connect(
105            sigc::mem_fun(*this, &LinuxSamplerPlugin::__onVirtualKeyboardKeyHit)
106        );
107        app->signal_keyboard_key_released().connect(
108            sigc::mem_fun(*this, &LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased)
109        );
110    
111        // register a timeout job to gigedit's main loop, so we can poll the
112        // the sampler periodically for MIDI events (I HOPE it works on all
113        // archs, because gigedit is actually running in another thread than
114        // the one that is calling this timeout handler register code)
115        const Glib::RefPtr<Glib::TimeoutSource> timeout_source =
116            Glib::TimeoutSource::create(100); // poll every 100ms
117        timeout_source->connect(
118            sigc::mem_fun(this, &LinuxSamplerPlugin::__onPollPeriod)
119        );
120        timeout_source->attach(Glib::MainContext::get_default());
121    
122      // run gigedit application      // run gigedit application
123      return app.run(pGigInstr);      return app->run(pGigInstr);
124    }
125    
126    bool LinuxSamplerPlugin::__onPollPeriod() {
127        #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
128        GigEdit* app = (GigEdit*) pApp;
129        if (!NotesChanged()) return true;
130        for (int iKey = 0; iKey < 128; iKey++)
131            if (NoteChanged(iKey))
132                NoteIsActive(iKey) ?
133                    app->on_note_on_event(iKey, NoteOnVelocity(iKey)) :
134                    app->on_note_off_event(iKey, NoteOffVelocity(iKey));
135        return true;
136        #else
137        return false;
138        #endif
139  }  }
140    
141  void LinuxSamplerPlugin::__onSamplesToBeRemoved(std::list<gig::Sample*> lSamples) {  void LinuxSamplerPlugin::__onSamplesToBeRemoved(std::list<gig::Sample*> lSamples) {
# Line 107  void LinuxSamplerPlugin::__onSamplesToBe Line 149  void LinuxSamplerPlugin::__onSamplesToBe
149      NotifySamplesToBeRemoved(samples);      NotifySamplesToBeRemoved(samples);
150  }  }
151    
152    void LinuxSamplerPlugin::__onVirtualKeyboardKeyHit(int Key, int Velocity) {
153        #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
154        SendNoteOnToSampler(Key, Velocity);
155        #endif
156    }
157    
158    void LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased(int Key, int Velocity) {
159        #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
160        SendNoteOffToSampler(Key, Velocity);
161        #endif
162    }
163    
164  bool LinuxSamplerPlugin::IsTypeSupported(String sTypeName, String sTypeVersion) {  bool LinuxSamplerPlugin::IsTypeSupported(String sTypeName, String sTypeVersion) {
165      return sTypeName == gig::libraryName() &&      return sTypeName == gig::libraryName() &&
166             sTypeVersion == gig::libraryVersion();             sTypeVersion == gig::libraryVersion();
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