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

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Revision 1680 - (hide annotations) (download)
Tue Feb 12 14:14:26 2008 UTC (16 years, 1 month ago) by schoenebeck
File size: 5843 byte(s)
- forgot to commit file with the recent CVS commit

1 schoenebeck 1213 /*
2 schoenebeck 1654 * Copyright (C) 2007, 2008 Andreas Persson
3 schoenebeck 1213 *
4     * This program is free software; you can redistribute it and/or
5     * modify it under the terms of the GNU General Public License as
6     * published by the Free Software Foundation; either version 2, or (at
7     * your option) any later version.
8     *
9     * This program is distributed in the hope that it will be useful, but
10     * WITHOUT ANY WARRANTY; without even the implied warranty of
11     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12     * General Public License for more details.
13     *
14     * You should have received a copy of the GNU General Public License
15     * along with program; see the file COPYING. If not, write to the Free
16     * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
17     * 02110-1301 USA.
18     */
19    
20     #include "linuxsamplerplugin.h"
21    
22 schoenebeck 1376 #include <linuxsampler/plugins/InstrumentEditorFactory.h>
23 schoenebeck 1656 #include "../gigedit/gigedit.h"
24 schoenebeck 1680 #include "../gigedit/global.h"
25 schoenebeck 1213
26     #include <iostream>
27 schoenebeck 1322 #include <sigc++/bind.h>
28 schoenebeck 1656 #include <glibmm/main.h>
29 schoenebeck 1213
30     REGISTER_INSTRUMENT_EDITOR(LinuxSamplerPlugin)
31    
32     LinuxSamplerPlugin::LinuxSamplerPlugin() {
33 schoenebeck 1654 pApp = new GigEdit;
34 schoenebeck 1213 }
35    
36 schoenebeck 1654 LinuxSamplerPlugin::~LinuxSamplerPlugin() {
37     if (pApp) delete (GigEdit*) pApp;
38     }
39    
40 schoenebeck 1213 int LinuxSamplerPlugin::Main(void* pInstrument, String sTypeName, String sTypeVersion) {
41     std::cout << "Entered Gigedit Main() loop :)\n" << std::flush;
42     gig::Instrument* pGigInstr = static_cast<gig::Instrument*>(pInstrument);
43 schoenebeck 1654 GigEdit* app = (GigEdit*) pApp;
44    
45 schoenebeck 1322 // connect notification signals
46 schoenebeck 1654 app->signal_file_structure_to_be_changed().connect(
47 schoenebeck 1322 sigc::bind(
48     sigc::mem_fun(
49     *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
50     ),
51     "gig::File"
52     )
53     );
54 schoenebeck 1654 app->signal_file_structure_changed().connect(
55 schoenebeck 1322 sigc::bind(
56     sigc::mem_fun(
57     *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
58     ),
59     "gig::File"
60     )
61     );
62 schoenebeck 1654 app->signal_samples_to_be_removed().connect(
63 schoenebeck 1322 sigc::mem_fun(*this, &LinuxSamplerPlugin::__onSamplesToBeRemoved)
64     );
65 schoenebeck 1654 app->signal_samples_removed().connect(
66 schoenebeck 1322 sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySamplesRemoved)
67     );
68 schoenebeck 1654 app->signal_region_to_be_changed().connect(
69 schoenebeck 1322 sigc::bind(
70     sigc::mem_fun(
71     *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
72     ),
73     "gig::Region"
74     )
75     );
76 schoenebeck 1654 app->signal_region_changed().connect(
77 schoenebeck 1322 sigc::bind(
78     sigc::mem_fun(
79     *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
80     ),
81     "gig::Region"
82     )
83     );
84 schoenebeck 1654 app->signal_dimreg_to_be_changed().connect(
85 schoenebeck 1322 sigc::bind(
86     sigc::mem_fun(
87     *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
88     ),
89     "gig::DimensionRegion"
90     )
91     );
92 schoenebeck 1654 app->signal_dimreg_changed().connect(
93 schoenebeck 1322 sigc::bind(
94     sigc::mem_fun(
95     *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
96     ),
97     "gig::DimensionRegion"
98     )
99     );
100 schoenebeck 1654 app->signal_sample_ref_changed().connect(
101 schoenebeck 1322 sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySampleReferenceChanged)
102     );
103 schoenebeck 1654
104 schoenebeck 1660 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 schoenebeck 1656 // 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 schoenebeck 1654
122 schoenebeck 1322 // run gigedit application
123 schoenebeck 1654 return app->run(pGigInstr);
124 schoenebeck 1213 }
125    
126 schoenebeck 1656 bool LinuxSamplerPlugin::__onPollPeriod() {
127 schoenebeck 1680 #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
128 schoenebeck 1654 GigEdit* app = (GigEdit*) pApp;
129     if (!NotesChanged()) return true;
130     for (int iKey = 0; iKey < 128; iKey++)
131     if (NoteChanged(iKey))
132 schoenebeck 1664 NoteIsActive(iKey) ?
133     app->on_note_on_event(iKey, NoteOnVelocity(iKey)) :
134     app->on_note_off_event(iKey, NoteOffVelocity(iKey));
135 schoenebeck 1654 return true;
136 schoenebeck 1680 #else
137     return false;
138     #endif
139 schoenebeck 1654 }
140    
141 schoenebeck 1322 void LinuxSamplerPlugin::__onSamplesToBeRemoved(std::list<gig::Sample*> lSamples) {
142     // we have to convert the gig::Sample* list to a void* list first
143     std::set<void*> samples;
144     for (
145     std::list<gig::Sample*>::iterator iter = lSamples.begin();
146     iter != lSamples.end(); iter++
147     ) samples.insert((void*)*iter);
148     // finally send notification to sampler
149     NotifySamplesToBeRemoved(samples);
150     }
151    
152 schoenebeck 1660 void LinuxSamplerPlugin::__onVirtualKeyboardKeyHit(int Key, int Velocity) {
153 schoenebeck 1680 #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
154 schoenebeck 1660 SendNoteOnToSampler(Key, Velocity);
155 schoenebeck 1680 #endif
156 schoenebeck 1660 }
157    
158     void LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased(int Key, int Velocity) {
159 schoenebeck 1680 #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
160 schoenebeck 1660 SendNoteOffToSampler(Key, Velocity);
161 schoenebeck 1680 #endif
162 schoenebeck 1660 }
163    
164 schoenebeck 1213 bool LinuxSamplerPlugin::IsTypeSupported(String sTypeName, String sTypeVersion) {
165     return sTypeName == gig::libraryName() &&
166     sTypeVersion == gig::libraryVersion();
167     }
168    
169     String LinuxSamplerPlugin::Name() {
170     return "gigedit";
171     }
172    
173     String LinuxSamplerPlugin::Version() {
174     return VERSION; // gigedit's version
175     }
176    
177     String LinuxSamplerPlugin::Description() {
178     return "Gigedit is an instrument editor for gig files.";
179     }

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