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 <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_ref_changed().connect(
        sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySampleReferenceChanged)
    );

    // 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() {
    GigEdit* app = (GigEdit*) pApp;
    if (!NotesChanged()) return true;
    for (int iKey = 0; iKey < 128; iKey++)
        if (NoteChanged(iKey))
            NoteIsActive(iKey) ? // we don't care about velocity yet
                app->on_note_on_event(iKey, 127) :
                app->on_note_off_event(iKey, 127);
    return true;
}

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);
}

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	1213
25			#include <iostream>
26	schoenebeck	1322	#include <sigc++/bind.h>
27	schoenebeck	1656	#include <glibmm/main.h>
28	schoenebeck	1213
29			REGISTER_INSTRUMENT_EDITOR(LinuxSamplerPlugin)
30
31			LinuxSamplerPlugin::LinuxSamplerPlugin() {
32	schoenebeck	1654	pApp = new GigEdit;
33	schoenebeck	1213	}
34
35	schoenebeck	1654	LinuxSamplerPlugin::~LinuxSamplerPlugin() {
36			if (pApp) delete (GigEdit*) pApp;
37			}
38
39	schoenebeck	1213	int LinuxSamplerPlugin::Main(void* pInstrument, String sTypeName, String sTypeVersion) {
40			std::cout << "Entered Gigedit Main() loop :)\n" << std::flush;
41			gig::Instrument* pGigInstr = static_cast<gig::Instrument*>(pInstrument);
42	schoenebeck	1654	GigEdit* app = (GigEdit*) pApp;
43
44	schoenebeck	1322	// connect notification signals
45	schoenebeck	1654	app->signal_file_structure_to_be_changed().connect(
46	schoenebeck	1322	sigc::bind(
47			sigc::mem_fun(
48			*this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
49			),
50			"gig::File"
51			)
52			);
53	schoenebeck	1654	app->signal_file_structure_changed().connect(
54	schoenebeck	1322	sigc::bind(
55			sigc::mem_fun(
56			*this, &LinuxSamplerPlugin::NotifyDataStructureChanged
57			),
58			"gig::File"
59			)
60			);
61	schoenebeck	1654	app->signal_samples_to_be_removed().connect(
62	schoenebeck	1322	sigc::mem_fun(*this, &LinuxSamplerPlugin::__onSamplesToBeRemoved)
63			);
64	schoenebeck	1654	app->signal_samples_removed().connect(
65	schoenebeck	1322	sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySamplesRemoved)
66			);
67	schoenebeck	1654	app->signal_region_to_be_changed().connect(
68	schoenebeck	1322	sigc::bind(
69			sigc::mem_fun(
70			*this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
71			),
72			"gig::Region"
73			)
74			);
75	schoenebeck	1654	app->signal_region_changed().connect(
76	schoenebeck	1322	sigc::bind(
77			sigc::mem_fun(
78			*this, &LinuxSamplerPlugin::NotifyDataStructureChanged
79			),
80			"gig::Region"
81			)
82			);
83	schoenebeck	1654	app->signal_dimreg_to_be_changed().connect(
84	schoenebeck	1322	sigc::bind(
85			sigc::mem_fun(
86			*this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
87			),
88			"gig::DimensionRegion"
89			)
90			);
91	schoenebeck	1654	app->signal_dimreg_changed().connect(
92	schoenebeck	1322	sigc::bind(
93			sigc::mem_fun(
94			*this, &LinuxSamplerPlugin::NotifyDataStructureChanged
95			),
96			"gig::DimensionRegion"
97			)
98			);
99	schoenebeck	1654	app->signal_sample_ref_changed().connect(
100	schoenebeck	1322	sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySampleReferenceChanged)
101			);
102	schoenebeck	1654
103	schoenebeck	1656	// register a timeout job to gigedit's main loop, so we can poll the
104			// the sampler periodically for MIDI events (I HOPE it works on all
105			// archs, because gigedit is actually running in another thread than
106			// the one that is calling this timeout handler register code)
107			const Glib::RefPtr<Glib::TimeoutSource> timeout_source =
108			Glib::TimeoutSource::create(100); // poll every 100ms
109			timeout_source->connect(
110			sigc::mem_fun(this, &LinuxSamplerPlugin::__onPollPeriod)
111			);
112			timeout_source->attach(Glib::MainContext::get_default());
113	schoenebeck	1654
114	schoenebeck	1322	// run gigedit application
115	schoenebeck	1654	return app->run(pGigInstr);
116	schoenebeck	1213	}
117
118	schoenebeck	1656	bool LinuxSamplerPlugin::__onPollPeriod() {
119	schoenebeck	1654	GigEdit* app = (GigEdit*) pApp;
120			if (!NotesChanged()) return true;
121			for (int iKey = 0; iKey < 128; iKey++)
122			if (NoteChanged(iKey))
123			NoteIsActive(iKey) ? // we don't care about velocity yet
124			app->on_note_on_event(iKey, 127) :
125			app->on_note_off_event(iKey, 127);
126			return true;
127			}
128
129	schoenebeck	1322	void LinuxSamplerPlugin::__onSamplesToBeRemoved(std::list<gig::Sample*> lSamples) {
130			// we have to convert the gig::Sample* list to a void* list first
131			std::set<void*> samples;
132			for (
133			std::list<gig::Sample*>::iterator iter = lSamples.begin();
134			iter != lSamples.end(); iter++
135			) samples.insert((void)iter);
136			// finally send notification to sampler
137			NotifySamplesToBeRemoved(samples);
138			}
139
140	schoenebeck	1213	bool LinuxSamplerPlugin::IsTypeSupported(String sTypeName, String sTypeVersion) {
141			return sTypeName == gig::libraryName() &&
142			sTypeVersion == gig::libraryVersion();
143			}
144
145			String LinuxSamplerPlugin::Name() {
146			return "gigedit";
147			}
148
149			String LinuxSamplerPlugin::Version() {
150			return VERSION; // gigedit's version
151			}
152
153			String LinuxSamplerPlugin::Description() {
154			return "Gigedit is an instrument editor for gig files.";
155			}