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

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revision 1229 by schoenebeck, Sun Jun 10 11:23:15 2007 UTC revision 1877 by schoenebeck, Fri Mar 27 12:18:12 2009 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 <gig.h>  #include <linuxsampler/plugins/InstrumentEditorFactory.h>
 #include <linuxsampler/engines/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>
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, void* /*pUserData*/) {
41        return Main(pInstrument, sTypeName, sTypeVersion);
42  }  }
43    
44  int LinuxSamplerPlugin::Main(void* pInstrument, String sTypeName, String sTypeVersion) {  int LinuxSamplerPlugin::Main(void* pInstrument, String sTypeName, String sTypeVersion) {
45      std::cout << "Entered Gigedit Main() loop :)\n" << std::flush;      std::cout << "Entered Gigedit Main() loop :)\n" << std::flush;
46      gig::Instrument* pGigInstr = static_cast<gig::Instrument*>(pInstrument);      gig::Instrument* pGigInstr = static_cast<gig::Instrument*>(pInstrument);
47      return GigEdit::run(pGigInstr);      GigEdit* app = (GigEdit*) pApp;
48    
49        // connect notification signals
50        app->signal_file_structure_to_be_changed().connect(
51            sigc::bind(
52                sigc::mem_fun(
53                    *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
54                ),
55                "gig::File"
56            )
57        );
58        app->signal_file_structure_changed().connect(
59            sigc::bind(
60                sigc::mem_fun(
61                    *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
62                ),
63                "gig::File"
64            )
65        );
66        app->signal_samples_to_be_removed().connect(
67            sigc::mem_fun(*this, &LinuxSamplerPlugin::__onSamplesToBeRemoved)
68        );
69        app->signal_samples_removed().connect(
70            sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySamplesRemoved)
71        );
72        app->signal_region_to_be_changed().connect(
73            sigc::bind(
74                sigc::mem_fun(
75                    *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
76                ),
77                "gig::Region"
78            )
79        );
80        app->signal_region_changed().connect(
81            sigc::bind(
82                sigc::mem_fun(
83                    *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
84                ),
85                "gig::Region"
86            )
87        );
88        app->signal_dimreg_to_be_changed().connect(
89            sigc::bind(
90                sigc::mem_fun(
91                    *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
92                ),
93                "gig::DimensionRegion"
94            )
95        );
96        app->signal_dimreg_changed().connect(
97            sigc::bind(
98                sigc::mem_fun(
99                    *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
100                ),
101                "gig::DimensionRegion"
102            )
103        );
104        app->signal_sample_changed().connect(
105            sigc::bind(
106                sigc::mem_fun(
107                    *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
108                ),
109                "gig::Sample"
110            )
111        );
112        app->signal_sample_ref_changed().connect(
113            sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySampleReferenceChanged)
114        );
115    
116        app->signal_keyboard_key_hit().connect(
117            sigc::mem_fun(*this, &LinuxSamplerPlugin::__onVirtualKeyboardKeyHit)
118        );
119        app->signal_keyboard_key_released().connect(
120            sigc::mem_fun(*this, &LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased)
121        );
122    
123        // register a timeout job to gigedit's main loop, so we can poll the
124        // the sampler periodically for MIDI events (I HOPE it works on all
125        // archs, because gigedit is actually running in another thread than
126        // the one that is calling this timeout handler register code)
127        const Glib::RefPtr<Glib::TimeoutSource> timeout_source =
128            Glib::TimeoutSource::create(100); // poll every 100ms
129        timeout_source->connect(
130            sigc::mem_fun(this, &LinuxSamplerPlugin::__onPollPeriod)
131        );
132        timeout_source->attach(Glib::MainContext::get_default());
133    
134        // run gigedit application
135        return app->run(pGigInstr);
136    }
137    
138    bool LinuxSamplerPlugin::__onPollPeriod() {
139        #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
140        GigEdit* app = (GigEdit*) pApp;
141        if (!NotesChanged()) return true;
142        for (int iKey = 0; iKey < 128; iKey++)
143            if (NoteChanged(iKey))
144                NoteIsActive(iKey) ?
145                    app->on_note_on_event(iKey, NoteOnVelocity(iKey)) :
146                    app->on_note_off_event(iKey, NoteOffVelocity(iKey));
147        return true;
148        #else
149        return false;
150        #endif
151    }
152    
153    void LinuxSamplerPlugin::__onSamplesToBeRemoved(std::list<gig::Sample*> lSamples) {
154        // we have to convert the gig::Sample* list to a void* list first
155        std::set<void*> samples;
156        for (
157            std::list<gig::Sample*>::iterator iter = lSamples.begin();
158            iter != lSamples.end(); iter++
159        ) samples.insert((void*)*iter);
160        // finally send notification to sampler
161        NotifySamplesToBeRemoved(samples);
162    }
163    
164    void LinuxSamplerPlugin::__onVirtualKeyboardKeyHit(int Key, int Velocity) {
165        #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
166        SendNoteOnToSampler(Key, Velocity);
167        #endif
168    }
169    
170    void LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased(int Key, int Velocity) {
171        #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
172        SendNoteOffToSampler(Key, Velocity);
173        #endif
174  }  }
175    
176  bool LinuxSamplerPlugin::IsTypeSupported(String sTypeName, String sTypeVersion) {  bool LinuxSamplerPlugin::IsTypeSupported(String sTypeName, String sTypeVersion) {
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