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

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revision 1660 by schoenebeck, Sun Feb 3 00:19:55 2008 UTC revision 2903 by schoenebeck, Tue May 3 14:08:34 2016 UTC
# Line 1  Line 1 
1  /*  /*
2   * Copyright (C) 2007, 2008 Andreas Persson   * Copyright (C) 2007 - 2015 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 20  Line 20 
20  #include "linuxsamplerplugin.h"  #include "linuxsamplerplugin.h"
21    
22  #include <linuxsampler/plugins/InstrumentEditorFactory.h>  #include <linuxsampler/plugins/InstrumentEditorFactory.h>
23    #include <linuxsampler/engines/Engine.h>
24    #include <linuxsampler/engines/EngineChannel.h>
25  #include "../gigedit/gigedit.h"  #include "../gigedit/gigedit.h"
26    #include "../gigedit/global.h"
27    
28  #include <iostream>  #include <iostream>
29  #include <sigc++/bind.h>  #include <sigc++/bind.h>
# Line 33  LinuxSamplerPlugin::LinuxSamplerPlugin() Line 36  LinuxSamplerPlugin::LinuxSamplerPlugin()
36  }  }
37    
38  LinuxSamplerPlugin::~LinuxSamplerPlugin() {  LinuxSamplerPlugin::~LinuxSamplerPlugin() {
39      if (pApp) delete (GigEdit*) pApp;      if (pApp) delete static_cast<GigEdit*>(pApp);
40    }
41    
42    int LinuxSamplerPlugin::Main(void* pInstrument, String sTypeName, String sTypeVersion, void* /*pUserData*/) {
43        return Main(pInstrument, sTypeName, sTypeVersion);
44  }  }
45    
46  int LinuxSamplerPlugin::Main(void* pInstrument, String sTypeName, String sTypeVersion) {  int LinuxSamplerPlugin::Main(void* pInstrument, String sTypeName, String sTypeVersion) {
47      std::cout << "Entered Gigedit Main() loop :)\n" << std::flush;      std::cout << "Entered Gigedit Main() loop :)\n" << std::flush;
48      gig::Instrument* pGigInstr = static_cast<gig::Instrument*>(pInstrument);      gig::Instrument* pGigInstr = static_cast<gig::Instrument*>(pInstrument);
49      GigEdit* app = (GigEdit*) pApp;      GigEdit* app = static_cast<GigEdit*>(pApp);
50    
51      // connect notification signals      // connect notification signals
52      app->signal_file_structure_to_be_changed().connect(      app->signal_file_structure_to_be_changed().connect(
# Line 96  int LinuxSamplerPlugin::Main(void* pInst Line 103  int LinuxSamplerPlugin::Main(void* pInst
103              "gig::DimensionRegion"              "gig::DimensionRegion"
104          )          )
105      );      );
106        app->signal_sample_changed().connect(
107            sigc::bind(
108                sigc::mem_fun(
109                    *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
110                ),
111                "gig::Sample"
112            )
113        );
114      app->signal_sample_ref_changed().connect(      app->signal_sample_ref_changed().connect(
115          sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySampleReferenceChanged)          sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySampleReferenceChanged)
116      );      );
# Line 106  int LinuxSamplerPlugin::Main(void* pInst Line 121  int LinuxSamplerPlugin::Main(void* pInst
121      app->signal_keyboard_key_released().connect(      app->signal_keyboard_key_released().connect(
122          sigc::mem_fun(*this, &LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased)          sigc::mem_fun(*this, &LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased)
123      );      );
124        app->signal_switch_sampler_instrument().connect(
125            sigc::mem_fun(*this, &LinuxSamplerPlugin::__requestSamplerToSwitchInstrument)
126        );
127        app->signal_script_to_be_changed.connect(
128            sigc::bind(
129                sigc::mem_fun(
130                    *this, &LinuxSamplerPlugin::NotifyDataStructureToBeChanged
131                ),
132                "gig::Script"
133            )
134        );
135        app->signal_script_changed.connect(
136            sigc::bind(
137                sigc::mem_fun(
138                    *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
139                ),
140                "gig::Script"
141            )
142        );
143    
144      // register a timeout job to gigedit's main loop, so we can poll the      // register a timeout job to gigedit's main loop, so we can poll the
145      // the sampler periodically for MIDI events (I HOPE it works on all      // the sampler periodically for MIDI events (I HOPE it works on all
# Line 123  int LinuxSamplerPlugin::Main(void* pInst Line 157  int LinuxSamplerPlugin::Main(void* pInst
157  }  }
158    
159  bool LinuxSamplerPlugin::__onPollPeriod() {  bool LinuxSamplerPlugin::__onPollPeriod() {
160      GigEdit* app = (GigEdit*) pApp;      #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
161        GigEdit* app = static_cast<GigEdit*>(pApp);
162      if (!NotesChanged()) return true;      if (!NotesChanged()) return true;
163      for (int iKey = 0; iKey < 128; iKey++)      for (int iKey = 0; iKey < 128; iKey++)
164          if (NoteChanged(iKey))          if (NoteChanged(iKey))
165              NoteIsActive(iKey) ? // we don't care about velocity yet              NoteIsActive(iKey) ?
166                  app->on_note_on_event(iKey, 127) :                  app->on_note_on_event(iKey, NoteOnVelocity(iKey)) :
167                  app->on_note_off_event(iKey, 127);                  app->on_note_off_event(iKey, NoteOffVelocity(iKey));
168      return true;      return true;
169        #else
170        return false;
171        #endif
172  }  }
173    
174  void LinuxSamplerPlugin::__onSamplesToBeRemoved(std::list<gig::Sample*> lSamples) {  void LinuxSamplerPlugin::__onSamplesToBeRemoved(std::list<gig::Sample*> lSamples) {
# Line 138  void LinuxSamplerPlugin::__onSamplesToBe Line 176  void LinuxSamplerPlugin::__onSamplesToBe
176      std::set<void*> samples;      std::set<void*> samples;
177      for (      for (
178          std::list<gig::Sample*>::iterator iter = lSamples.begin();          std::list<gig::Sample*>::iterator iter = lSamples.begin();
179          iter != lSamples.end(); iter++          iter != lSamples.end(); ++iter
180      ) samples.insert((void*)*iter);      ) samples.insert((void*)*iter);
181      // finally send notification to sampler      // finally send notification to sampler
182      NotifySamplesToBeRemoved(samples);      NotifySamplesToBeRemoved(samples);
183  }  }
184    
185  void LinuxSamplerPlugin::__onVirtualKeyboardKeyHit(int Key, int Velocity) {  void LinuxSamplerPlugin::__onVirtualKeyboardKeyHit(int Key, int Velocity) {
186        #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
187      SendNoteOnToSampler(Key, Velocity);      SendNoteOnToSampler(Key, Velocity);
188        #endif
189  }  }
190    
191  void LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased(int Key, int Velocity) {  void LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased(int Key, int Velocity) {
192        #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
193      SendNoteOffToSampler(Key, Velocity);      SendNoteOffToSampler(Key, Velocity);
194        #endif
195    }
196    
197    void LinuxSamplerPlugin::__requestSamplerToSwitchInstrument(gig::Instrument* pInstrument) {
198        if (!pInstrument) return;
199    
200        LinuxSampler::EngineChannel* pEngineChannel = GetEngineChannel();
201        if (!pEngineChannel) return;
202    
203        LinuxSampler::Engine* pEngine = pEngineChannel->GetEngine();
204        if (!pEngine) return;
205    
206        LinuxSampler::InstrumentManager* pInstrumentManager = pEngine->GetInstrumentManager();
207        if (!pInstrumentManager) return;
208    
209        gig::File* pFile = (gig::File*) pInstrument->GetParent();
210    
211        // resolve instrument's index number in its gig file
212        int index = -1;
213        for (int i = 0; pFile->GetInstrument(i); ++i) {
214            if (pFile->GetInstrument(i) == pInstrument) {
215                index = i;
216                break;
217            }
218        }
219        if (index < 0) return;
220    
221        LinuxSampler::InstrumentManager::instrument_id_t id;
222        id.FileName = pFile->GetFileName();
223        id.Index    = index;
224        pInstrumentManager->LoadInstrumentInBackground(id, pEngineChannel);
225  }  }
226    
227  bool LinuxSamplerPlugin::IsTypeSupported(String sTypeName, String sTypeVersion) {  bool LinuxSamplerPlugin::IsTypeSupported(String sTypeName, String sTypeVersion) {
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