src/plugin/linuxsamplerplugin.cpp

/*
 * Copyright (C) 2007, 2008 Andreas Persson
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2, or (at
 * your option) any later version.
 *
 * 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 program; see the file COPYING. If not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

#include "linuxsamplerplugin.h"

#include <linuxsampler/plugins/InstrumentEditorFactory.h>
#include "../gigedit/gigedit.h"
#include "../gigedit/global.h"

#include <iostream>
#include <sigc++/bind.h>
#include <glibmm/main.h>

REGISTER_INSTRUMENT_EDITOR(LinuxSamplerPlugin)

LinuxSamplerPlugin::LinuxSamplerPlugin() {
    pApp = new GigEdit;
}

LinuxSamplerPlugin::~LinuxSamplerPlugin() {
    if (pApp) delete (GigEdit*) pApp;
}

int LinuxSamplerPlugin::Main(void* pInstrument, String sTypeName, String sTypeVersion) {
    std::cout << "Entered Gigedit Main() loop :)\n" << std::flush;
    gig::Instrument* pGigInstr = static_cast<gig::Instrument*>(pInstrument);
    GigEdit* app = (GigEdit*) pApp;

    // connect notification signals
    app->signal_file_structure_to_be_changed().connect(
        sigc::bind(
            sigc::mem_fun(
                *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
            ),
            "gig::File"
        )
    );
    app->signal_file_structure_changed().connect(
        sigc::bind(
            sigc::mem_fun(
                *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
            ),
            "gig::File"
        )
    );
    app->signal_samples_to_be_removed().connect(
        sigc::mem_fun(*this, &LinuxSamplerPlugin::__onSamplesToBeRemoved)
    );
    app->signal_samples_removed().connect(
        sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySamplesRemoved)
    );
    app->signal_region_to_be_changed().connect(
        sigc::bind(
            sigc::mem_fun(
                *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
            ),
            "gig::Region"
        )
    );
    app->signal_region_changed().connect(
        sigc::bind(
            sigc::mem_fun(
                *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
            ),
            "gig::Region"
        )
    );
    app->signal_dimreg_to_be_changed().connect(
        sigc::bind(
            sigc::mem_fun(
                *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
            ),
            "gig::DimensionRegion"
        )
    );
    app->signal_dimreg_changed().connect(
        sigc::bind(
            sigc::mem_fun(
                *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
            ),
            "gig::DimensionRegion"
        )
    );
    app->signal_sample_changed().connect(
        sigc::bind(
            sigc::mem_fun(
                *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
            ),
            "gig::Sample"
        )
    );
    app->signal_sample_ref_changed().connect(
        sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySampleReferenceChanged)
    );

    app->signal_keyboard_key_hit().connect(
        sigc::mem_fun(*this, &LinuxSamplerPlugin::__onVirtualKeyboardKeyHit)
    );
    app->signal_keyboard_key_released().connect(
        sigc::mem_fun(*this, &LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased)
    );

    // register a timeout job to gigedit's main loop, so we can poll the
    // the sampler periodically for MIDI events (I HOPE it works on all
    // archs, because gigedit is actually running in another thread than
    // the one that is calling this timeout handler register code)
    const Glib::RefPtr<Glib::TimeoutSource> timeout_source =
        Glib::TimeoutSource::create(100); // poll every 100ms
    timeout_source->connect(
        sigc::mem_fun(this, &LinuxSamplerPlugin::__onPollPeriod)
    );
    timeout_source->attach(Glib::MainContext::get_default());

    // run gigedit application
    return app->run(pGigInstr);
}

bool LinuxSamplerPlugin::__onPollPeriod() {
    #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
    GigEdit* app = (GigEdit*) pApp;
    if (!NotesChanged()) return true;
    for (int iKey = 0; iKey < 128; iKey++)
        if (NoteChanged(iKey))
            NoteIsActive(iKey) ?
                app->on_note_on_event(iKey, NoteOnVelocity(iKey)) :
                app->on_note_off_event(iKey, NoteOffVelocity(iKey));
    return true;
    #else
    return false;
    #endif
}

void LinuxSamplerPlugin::__onSamplesToBeRemoved(std::list<gig::Sample*> lSamples) {
    // we have to convert the gig::Sample* list to a void* list first
    std::set<void*> samples;
    for (
        std::list<gig::Sample*>::iterator iter = lSamples.begin();
        iter != lSamples.end(); iter++
    ) samples.insert((void*)*iter);
    // finally send notification to sampler
    NotifySamplesToBeRemoved(samples);
}

void LinuxSamplerPlugin::__onVirtualKeyboardKeyHit(int Key, int Velocity) {
    #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
    SendNoteOnToSampler(Key, Velocity);
    #endif
}

void LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased(int Key, int Velocity) {
    #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
    SendNoteOffToSampler(Key, Velocity);
    #endif
}

bool LinuxSamplerPlugin::IsTypeSupported(String sTypeName, String sTypeVersion) {
    return sTypeName == gig::libraryName() &&
           sTypeVersion == gig::libraryVersion();
}

String LinuxSamplerPlugin::Name() {
    return "gigedit";
}

String LinuxSamplerPlugin::Version() {
    return VERSION; // gigedit's version
}

String LinuxSamplerPlugin::Description() {
    return "Gigedit is an instrument editor for gig files.";
}
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	1853	app->signal_sample_changed().connect(
101			sigc::bind(
102			sigc::mem_fun(
103			*this, &LinuxSamplerPlugin::NotifyDataStructureChanged
104			),
105			"gig::Sample"
106			)
107			);
108	schoenebeck	1654	app->signal_sample_ref_changed().connect(
109	schoenebeck	1322	sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySampleReferenceChanged)
110			);
111	schoenebeck	1654
112	schoenebeck	1660	app->signal_keyboard_key_hit().connect(
113			sigc::mem_fun(*this, &LinuxSamplerPlugin::__onVirtualKeyboardKeyHit)
114			);
115			app->signal_keyboard_key_released().connect(
116			sigc::mem_fun(*this, &LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased)
117			);
118
119	schoenebeck	1656	// register a timeout job to gigedit's main loop, so we can poll the
120			// the sampler periodically for MIDI events (I HOPE it works on all
121			// archs, because gigedit is actually running in another thread than
122			// the one that is calling this timeout handler register code)
123			const Glib::RefPtr<Glib::TimeoutSource> timeout_source =
124			Glib::TimeoutSource::create(100); // poll every 100ms
125			timeout_source->connect(
126			sigc::mem_fun(this, &LinuxSamplerPlugin::__onPollPeriod)
127			);
128			timeout_source->attach(Glib::MainContext::get_default());
129	schoenebeck	1654
130	schoenebeck	1322	// run gigedit application
131	schoenebeck	1654	return app->run(pGigInstr);
132	schoenebeck	1213	}
133
134	schoenebeck	1656	bool LinuxSamplerPlugin::__onPollPeriod() {
135	schoenebeck	1680	#if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
136	schoenebeck	1654	GigEdit* app = (GigEdit*) pApp;
137			if (!NotesChanged()) return true;
138			for (int iKey = 0; iKey < 128; iKey++)
139			if (NoteChanged(iKey))
140	schoenebeck	1664	NoteIsActive(iKey) ?
141			app->on_note_on_event(iKey, NoteOnVelocity(iKey)) :
142			app->on_note_off_event(iKey, NoteOffVelocity(iKey));
143	schoenebeck	1654	return true;
144	schoenebeck	1680	#else
145			return false;
146			#endif
147	schoenebeck	1654	}
148
149	schoenebeck	1322	void LinuxSamplerPlugin::__onSamplesToBeRemoved(std::list<gig::Sample*> lSamples) {
150			// we have to convert the gig::Sample* list to a void* list first
151			std::set<void*> samples;
152			for (
153			std::list<gig::Sample*>::iterator iter = lSamples.begin();
154			iter != lSamples.end(); iter++
155			) samples.insert((void)iter);
156			// finally send notification to sampler
157			NotifySamplesToBeRemoved(samples);
158			}
159
160	schoenebeck	1660	void LinuxSamplerPlugin::__onVirtualKeyboardKeyHit(int Key, int Velocity) {
161	schoenebeck	1680	#if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
162	schoenebeck	1660	SendNoteOnToSampler(Key, Velocity);
163	schoenebeck	1680	#endif
164	schoenebeck	1660	}
165
166			void LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased(int Key, int Velocity) {
167	schoenebeck	1680	#if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
168	schoenebeck	1660	SendNoteOffToSampler(Key, Velocity);
169	schoenebeck	1680	#endif
170	schoenebeck	1660	}
171
172	schoenebeck	1213	bool LinuxSamplerPlugin::IsTypeSupported(String sTypeName, String sTypeVersion) {
173			return sTypeName == gig::libraryName() &&
174			sTypeVersion == gig::libraryVersion();
175			}
176
177			String LinuxSamplerPlugin::Name() {
178			return "gigedit";
179			}
180
181			String LinuxSamplerPlugin::Version() {
182			return VERSION; // gigedit's version
183			}
184
185			String LinuxSamplerPlugin::Description() {
186			return "Gigedit is an instrument editor for gig files.";
187			}